diff options
Diffstat (limited to 'e2fsprogs/ext2fs')
78 files changed, 0 insertions, 15579 deletions
diff --git a/e2fsprogs/ext2fs/Kbuild b/e2fsprogs/ext2fs/Kbuild deleted file mode 100644 index 185887a..0000000 --- a/e2fsprogs/ext2fs/Kbuild +++ /dev/null @@ -1,23 +0,0 @@ -# Makefile for busybox -# -# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org> -# -# Licensed under the GPL v2, see the file LICENSE in this tarball. - -NEEDED-$(CONFIG_E2FSCK) = y -NEEDED-$(CONFIG_FSCK) = y -NEEDED-$(CONFIG_MKE2FS) = y -NEEDED-$(CONFIG_TUNE2FS) = y - -lib-y:= -lib-$(NEEDED-y) += gen_bitmap.o bitops.o ismounted.o mkjournal.o unix_io.o \ - rw_bitmaps.o initialize.o bitmaps.o block.o \ - ind_block.o inode.o freefs.o alloc_stats.o closefs.o \ - openfs.o io_manager.o finddev.o read_bb.o alloc.o badblocks.o \ - getsize.o getsectsize.o alloc_tables.o read_bb_file.o mkdir.o \ - bb_inode.o newdir.o alloc_sb.o lookup.o dirblock.o expanddir.o \ - dir_iterate.o link.o res_gdt.o icount.o get_pathname.o dblist.o \ - dirhash.o version.o flushb.o unlink.o check_desc.o valid_blk.o \ - ext_attr.o bmap.o dblist_dir.o ext2fs_inline.o swapfs.o - -CFLAGS += -include $(srctree)/e2fsprogs/e2fsbb.h diff --git a/e2fsprogs/ext2fs/alloc.c b/e2fsprogs/ext2fs/alloc.c deleted file mode 100644 index 590f23a..0000000 --- a/e2fsprogs/ext2fs/alloc.c +++ /dev/null @@ -1,174 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * alloc.c --- allocate new inodes, blocks for ext2fs - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - * - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <time.h> -#include <string.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * Right now, just search forward from the parent directory's block - * group to find the next free inode. - * - * Should have a special policy for directories. - */ -errcode_t ext2fs_new_inode(ext2_filsys fs, ext2_ino_t dir, - int mode EXT2FS_ATTR((unused)), - ext2fs_inode_bitmap map, ext2_ino_t *ret) -{ - ext2_ino_t dir_group = 0; - ext2_ino_t i; - ext2_ino_t start_inode; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!map) - map = fs->inode_map; - if (!map) - return EXT2_ET_NO_INODE_BITMAP; - - if (dir > 0) - dir_group = (dir - 1) / EXT2_INODES_PER_GROUP(fs->super); - - start_inode = (dir_group * EXT2_INODES_PER_GROUP(fs->super)) + 1; - if (start_inode < EXT2_FIRST_INODE(fs->super)) - start_inode = EXT2_FIRST_INODE(fs->super); - i = start_inode; - - do { - if (!ext2fs_fast_test_inode_bitmap(map, i)) - break; - i++; - if (i > fs->super->s_inodes_count) - i = EXT2_FIRST_INODE(fs->super); - } while (i != start_inode); - - if (ext2fs_test_inode_bitmap(map, i)) - return EXT2_ET_INODE_ALLOC_FAIL; - *ret = i; - return 0; -} - -/* - * Stupid algorithm --- we now just search forward starting from the - * goal. Should put in a smarter one someday.... - */ -errcode_t ext2fs_new_block(ext2_filsys fs, blk_t goal, - ext2fs_block_bitmap map, blk_t *ret) -{ - blk_t i; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!map) - map = fs->block_map; - if (!map) - return EXT2_ET_NO_BLOCK_BITMAP; - if (!goal || (goal >= fs->super->s_blocks_count)) - goal = fs->super->s_first_data_block; - i = goal; - do { - if (!ext2fs_fast_test_block_bitmap(map, i)) { - *ret = i; - return 0; - } - i++; - if (i >= fs->super->s_blocks_count) - i = fs->super->s_first_data_block; - } while (i != goal); - return EXT2_ET_BLOCK_ALLOC_FAIL; -} - -/* - * This function zeros out the allocated block, and updates all of the - * appropriate filesystem records. - */ -errcode_t ext2fs_alloc_block(ext2_filsys fs, blk_t goal, - char *block_buf, blk_t *ret) -{ - errcode_t retval; - blk_t block; - char *buf = 0; - - if (!block_buf) { - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - block_buf = buf; - } - memset(block_buf, 0, fs->blocksize); - - if (!fs->block_map) { - retval = ext2fs_read_block_bitmap(fs); - if (retval) - goto fail; - } - - retval = ext2fs_new_block(fs, goal, 0, &block); - if (retval) - goto fail; - - retval = io_channel_write_blk(fs->io, block, 1, block_buf); - if (retval) - goto fail; - - ext2fs_block_alloc_stats(fs, block, +1); - *ret = block; - return 0; - -fail: - if (buf) - ext2fs_free_mem(&buf); - return retval; -} - -errcode_t ext2fs_get_free_blocks(ext2_filsys fs, blk_t start, blk_t finish, - int num, ext2fs_block_bitmap map, blk_t *ret) -{ - blk_t b = start; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!map) - map = fs->block_map; - if (!map) - return EXT2_ET_NO_BLOCK_BITMAP; - if (!b) - b = fs->super->s_first_data_block; - if (!finish) - finish = start; - if (!num) - num = 1; - do { - if (b+num-1 > fs->super->s_blocks_count) - b = fs->super->s_first_data_block; - if (ext2fs_fast_test_block_bitmap_range(map, b, num)) { - *ret = b; - return 0; - } - b++; - } while (b != finish); - return EXT2_ET_BLOCK_ALLOC_FAIL; -} - diff --git a/e2fsprogs/ext2fs/alloc_sb.c b/e2fsprogs/ext2fs/alloc_sb.c deleted file mode 100644 index a7437c9..0000000 --- a/e2fsprogs/ext2fs/alloc_sb.c +++ /dev/null @@ -1,58 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * alloc_sb.c --- Allocate the superblock and block group descriptors for a - * newly initialized filesystem. Used by mke2fs when initializing a filesystem - * - * Copyright (C) 1994, 1995, 1996, 2003 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -int ext2fs_reserve_super_and_bgd(ext2_filsys fs, - dgrp_t group, - ext2fs_block_bitmap bmap) -{ - blk_t super_blk, old_desc_blk, new_desc_blk; - int j, old_desc_blocks, num_blocks; - - num_blocks = ext2fs_super_and_bgd_loc(fs, group, &super_blk, - &old_desc_blk, &new_desc_blk, 0); - - if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) - old_desc_blocks = fs->super->s_first_meta_bg; - else - old_desc_blocks = - fs->desc_blocks + fs->super->s_reserved_gdt_blocks; - - if (super_blk || (group == 0)) - ext2fs_mark_block_bitmap(bmap, super_blk); - - if (old_desc_blk) { - for (j=0; j < old_desc_blocks; j++) - ext2fs_mark_block_bitmap(bmap, old_desc_blk + j); - } - if (new_desc_blk) - ext2fs_mark_block_bitmap(bmap, new_desc_blk); - - return num_blocks; -} diff --git a/e2fsprogs/ext2fs/alloc_stats.c b/e2fsprogs/ext2fs/alloc_stats.c deleted file mode 100644 index f3ab06a..0000000 --- a/e2fsprogs/ext2fs/alloc_stats.c +++ /dev/null @@ -1,53 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * alloc_stats.c --- Update allocation statistics for ext2fs - * - * Copyright (C) 2001 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - * - */ - -#include <stdio.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino, - int inuse, int isdir) -{ - int group = ext2fs_group_of_ino(fs, ino); - - if (inuse > 0) - ext2fs_mark_inode_bitmap(fs->inode_map, ino); - else - ext2fs_unmark_inode_bitmap(fs->inode_map, ino); - fs->group_desc[group].bg_free_inodes_count -= inuse; - if (isdir) - fs->group_desc[group].bg_used_dirs_count += inuse; - fs->super->s_free_inodes_count -= inuse; - ext2fs_mark_super_dirty(fs); - ext2fs_mark_ib_dirty(fs); -} - -void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse) -{ - ext2fs_inode_alloc_stats2(fs, ino, inuse, 0); -} - -void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse) -{ - int group = ext2fs_group_of_blk(fs, blk); - - if (inuse > 0) - ext2fs_mark_block_bitmap(fs->block_map, blk); - else - ext2fs_unmark_block_bitmap(fs->block_map, blk); - fs->group_desc[group].bg_free_blocks_count -= inuse; - fs->super->s_free_blocks_count -= inuse; - ext2fs_mark_super_dirty(fs); - ext2fs_mark_bb_dirty(fs); -} diff --git a/e2fsprogs/ext2fs/alloc_tables.c b/e2fsprogs/ext2fs/alloc_tables.c deleted file mode 100644 index b2d786e..0000000 --- a/e2fsprogs/ext2fs/alloc_tables.c +++ /dev/null @@ -1,118 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * alloc_tables.c --- Allocate tables for a newly initialized - * filesystem. Used by mke2fs when initializing a filesystem - * - * Copyright (C) 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group, - ext2fs_block_bitmap bmap) -{ - errcode_t retval; - blk_t group_blk, start_blk, last_blk, new_blk, blk; - int j; - - group_blk = fs->super->s_first_data_block + - (group * fs->super->s_blocks_per_group); - - last_blk = group_blk + fs->super->s_blocks_per_group; - if (last_blk >= fs->super->s_blocks_count) - last_blk = fs->super->s_blocks_count - 1; - - if (!bmap) - bmap = fs->block_map; - - /* - * Allocate the block and inode bitmaps, if necessary - */ - if (fs->stride) { - start_blk = group_blk + fs->inode_blocks_per_group; - start_blk += ((fs->stride * group) % - (last_blk - start_blk)); - if (start_blk > last_blk) - start_blk = group_blk; - } else - start_blk = group_blk; - - if (!fs->group_desc[group].bg_block_bitmap) { - retval = ext2fs_get_free_blocks(fs, start_blk, last_blk, - 1, bmap, &new_blk); - if (retval == EXT2_ET_BLOCK_ALLOC_FAIL) - retval = ext2fs_get_free_blocks(fs, group_blk, - last_blk, 1, bmap, &new_blk); - if (retval) - return retval; - ext2fs_mark_block_bitmap(bmap, new_blk); - fs->group_desc[group].bg_block_bitmap = new_blk; - } - - if (!fs->group_desc[group].bg_inode_bitmap) { - retval = ext2fs_get_free_blocks(fs, start_blk, last_blk, - 1, bmap, &new_blk); - if (retval == EXT2_ET_BLOCK_ALLOC_FAIL) - retval = ext2fs_get_free_blocks(fs, group_blk, - last_blk, 1, bmap, &new_blk); - if (retval) - return retval; - ext2fs_mark_block_bitmap(bmap, new_blk); - fs->group_desc[group].bg_inode_bitmap = new_blk; - } - - /* - * Allocate the inode table - */ - if (!fs->group_desc[group].bg_inode_table) { - retval = ext2fs_get_free_blocks(fs, group_blk, last_blk, - fs->inode_blocks_per_group, - bmap, &new_blk); - if (retval) - return retval; - for (j=0, blk = new_blk; - j < fs->inode_blocks_per_group; - j++, blk++) - ext2fs_mark_block_bitmap(bmap, blk); - fs->group_desc[group].bg_inode_table = new_blk; - } - - - return 0; -} - - - -errcode_t ext2fs_allocate_tables(ext2_filsys fs) -{ - errcode_t retval; - dgrp_t i; - - for (i = 0; i < fs->group_desc_count; i++) { - retval = ext2fs_allocate_group_table(fs, i, fs->block_map); - if (retval) - return retval; - } - return 0; -} - diff --git a/e2fsprogs/ext2fs/badblocks.c b/e2fsprogs/ext2fs/badblocks.c deleted file mode 100644 index 7804396..0000000 --- a/e2fsprogs/ext2fs/badblocks.c +++ /dev/null @@ -1,328 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * badblocks.c --- routines to manipulate the bad block structure - * - * Copyright (C) 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fsP.h" - -/* - * Helper function for making a badblocks list - */ -static errcode_t make_u32_list(int size, int num, __u32 *list, - ext2_u32_list *ret) -{ - ext2_u32_list bb; - errcode_t retval; - - retval = ext2fs_get_mem(sizeof(struct ext2_struct_u32_list), &bb); - if (retval) - return retval; - memset(bb, 0, sizeof(struct ext2_struct_u32_list)); - bb->magic = EXT2_ET_MAGIC_BADBLOCKS_LIST; - bb->size = size ? size : 10; - bb->num = num; - retval = ext2fs_get_mem(bb->size * sizeof(blk_t), &bb->list); - if (!bb->list) { - ext2fs_free_mem(&bb); - return retval; - } - if (list) - memcpy(bb->list, list, bb->size * sizeof(blk_t)); - else - memset(bb->list, 0, bb->size * sizeof(blk_t)); - *ret = bb; - return 0; -} - - -/* - * This procedure creates an empty u32 list. - */ -errcode_t ext2fs_u32_list_create(ext2_u32_list *ret, int size) -{ - return make_u32_list(size, 0, 0, ret); -} - -/* - * This procedure creates an empty badblocks list. - */ -errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret, int size) -{ - return make_u32_list(size, 0, 0, (ext2_badblocks_list *) ret); -} - - -/* - * This procedure copies a badblocks list - */ -errcode_t ext2fs_u32_copy(ext2_u32_list src, ext2_u32_list *dest) -{ - errcode_t retval; - - retval = make_u32_list(src->size, src->num, src->list, dest); - if (retval) - return retval; - (*dest)->badblocks_flags = src->badblocks_flags; - return 0; -} - -errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src, - ext2_badblocks_list *dest) -{ - return ext2fs_u32_copy((ext2_u32_list) src, - (ext2_u32_list *) dest); -} - -/* - * This procedure frees a badblocks list. - * - * (note: moved to closefs.c) - */ - - -/* - * This procedure adds a block to a badblocks list. - */ -errcode_t ext2fs_u32_list_add(ext2_u32_list bb, __u32 blk) -{ - errcode_t retval; - int i, j; - unsigned long old_size; - - EXT2_CHECK_MAGIC(bb, EXT2_ET_MAGIC_BADBLOCKS_LIST); - - if (bb->num >= bb->size) { - old_size = bb->size * sizeof(__u32); - bb->size += 100; - retval = ext2fs_resize_mem(old_size, bb->size * sizeof(__u32), - &bb->list); - if (retval) { - bb->size -= 100; - return retval; - } - } - - /* - * Add special case code for appending to the end of the list - */ - i = bb->num-1; - if ((bb->num != 0) && (bb->list[i] == blk)) - return 0; - if ((bb->num == 0) || (bb->list[i] < blk)) { - bb->list[bb->num++] = blk; - return 0; - } - - j = bb->num; - for (i=0; i < bb->num; i++) { - if (bb->list[i] == blk) - return 0; - if (bb->list[i] > blk) { - j = i; - break; - } - } - for (i=bb->num; i > j; i--) - bb->list[i] = bb->list[i-1]; - bb->list[j] = blk; - bb->num++; - return 0; -} - -errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb, blk_t blk) -{ - return ext2fs_u32_list_add((ext2_u32_list) bb, (__u32) blk); -} - -/* - * This procedure finds a particular block is on a badblocks - * list. - */ -int ext2fs_u32_list_find(ext2_u32_list bb, __u32 blk) -{ - int low, high, mid; - - if (bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST) - return -1; - - if (bb->num == 0) - return -1; - - low = 0; - high = bb->num-1; - if (blk == bb->list[low]) - return low; - if (blk == bb->list[high]) - return high; - - while (low < high) { - mid = (low+high)/2; - if (mid == low || mid == high) - break; - if (blk == bb->list[mid]) - return mid; - if (blk < bb->list[mid]) - high = mid; - else - low = mid; - } - return -1; -} - -/* - * This procedure tests to see if a particular block is on a badblocks - * list. - */ -int ext2fs_u32_list_test(ext2_u32_list bb, __u32 blk) -{ - if (ext2fs_u32_list_find(bb, blk) < 0) - return 0; - else - return 1; -} - -int ext2fs_badblocks_list_test(ext2_badblocks_list bb, blk_t blk) -{ - return ext2fs_u32_list_test((ext2_u32_list) bb, (__u32) blk); -} - - -/* - * Remove a block from the badblock list - */ -int ext2fs_u32_list_del(ext2_u32_list bb, __u32 blk) -{ - int remloc, i; - - if (bb->num == 0) - return -1; - - remloc = ext2fs_u32_list_find(bb, blk); - if (remloc < 0) - return -1; - - for (i = remloc ; i < bb->num-1; i++) - bb->list[i] = bb->list[i+1]; - bb->num--; - return 0; -} - -void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk) -{ - ext2fs_u32_list_del(bb, blk); -} - -errcode_t ext2fs_u32_list_iterate_begin(ext2_u32_list bb, - ext2_u32_iterate *ret) -{ - ext2_u32_iterate iter; - errcode_t retval; - - EXT2_CHECK_MAGIC(bb, EXT2_ET_MAGIC_BADBLOCKS_LIST); - - retval = ext2fs_get_mem(sizeof(struct ext2_struct_u32_iterate), &iter); - if (retval) - return retval; - - iter->magic = EXT2_ET_MAGIC_BADBLOCKS_ITERATE; - iter->bb = bb; - iter->ptr = 0; - *ret = iter; - return 0; -} - -errcode_t ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb, - ext2_badblocks_iterate *ret) -{ - return ext2fs_u32_list_iterate_begin((ext2_u32_list) bb, - (ext2_u32_iterate *) ret); -} - - -int ext2fs_u32_list_iterate(ext2_u32_iterate iter, __u32 *blk) -{ - ext2_u32_list bb; - - if (iter->magic != EXT2_ET_MAGIC_BADBLOCKS_ITERATE) - return 0; - - bb = iter->bb; - - if (bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST) - return 0; - - if (iter->ptr < bb->num) { - *blk = bb->list[iter->ptr++]; - return 1; - } - *blk = 0; - return 0; -} - -int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter, blk_t *blk) -{ - return ext2fs_u32_list_iterate((ext2_u32_iterate) iter, - (__u32 *) blk); -} - - -void ext2fs_u32_list_iterate_end(ext2_u32_iterate iter) -{ - if (!iter || (iter->magic != EXT2_ET_MAGIC_BADBLOCKS_ITERATE)) - return; - - iter->bb = 0; - ext2fs_free_mem(&iter); -} - -void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter) -{ - ext2fs_u32_list_iterate_end((ext2_u32_iterate) iter); -} - - -int ext2fs_u32_list_equal(ext2_u32_list bb1, ext2_u32_list bb2) -{ - EXT2_CHECK_MAGIC(bb1, EXT2_ET_MAGIC_BADBLOCKS_LIST); - EXT2_CHECK_MAGIC(bb2, EXT2_ET_MAGIC_BADBLOCKS_LIST); - - if (bb1->num != bb2->num) - return 0; - - if (memcmp(bb1->list, bb2->list, bb1->num * sizeof(blk_t)) != 0) - return 0; - return 1; -} - -int ext2fs_badblocks_equal(ext2_badblocks_list bb1, ext2_badblocks_list bb2) -{ - return ext2fs_u32_list_equal((ext2_u32_list) bb1, - (ext2_u32_list) bb2); -} - -int ext2fs_u32_list_count(ext2_u32_list bb) -{ - return bb->num; -} diff --git a/e2fsprogs/ext2fs/bb_compat.c b/e2fsprogs/ext2fs/bb_compat.c deleted file mode 100644 index 419ac77..0000000 --- a/e2fsprogs/ext2fs/bb_compat.c +++ /dev/null @@ -1,64 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * bb_compat.c --- compatibility badblocks routines - * - * Copyright (C) 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fsP.h" - -errcode_t badblocks_list_create(badblocks_list *ret, int size) -{ - return ext2fs_badblocks_list_create(ret, size); -} - -void badblocks_list_free(badblocks_list bb) -{ - ext2fs_badblocks_list_free(bb); -} - -errcode_t badblocks_list_add(badblocks_list bb, blk_t blk) -{ - return ext2fs_badblocks_list_add(bb, blk); -} - -int badblocks_list_test(badblocks_list bb, blk_t blk) -{ - return ext2fs_badblocks_list_test(bb, blk); -} - -errcode_t badblocks_list_iterate_begin(badblocks_list bb, - badblocks_iterate *ret) -{ - return ext2fs_badblocks_list_iterate_begin(bb, ret); -} - -int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk) -{ - return ext2fs_badblocks_list_iterate(iter, blk); -} - -void badblocks_list_iterate_end(badblocks_iterate iter) -{ - ext2fs_badblocks_list_iterate_end(iter); -} diff --git a/e2fsprogs/ext2fs/bb_inode.c b/e2fsprogs/ext2fs/bb_inode.c deleted file mode 100644 index 855f86e..0000000 --- a/e2fsprogs/ext2fs/bb_inode.c +++ /dev/null @@ -1,268 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * bb_inode.c --- routines to update the bad block inode. - * - * WARNING: This routine modifies a lot of state in the filesystem; if - * this routine returns an error, the bad block inode may be in an - * inconsistent state. - * - * Copyright (C) 1994, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct set_badblock_record { - ext2_badblocks_iterate bb_iter; - int bad_block_count; - blk_t *ind_blocks; - int max_ind_blocks; - int ind_blocks_size; - int ind_blocks_ptr; - char *block_buf; - errcode_t err; -}; - -static int set_bad_block_proc(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block, int ref_offset, - void *priv_data); -static int clear_bad_block_proc(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block, int ref_offset, - void *priv_data); - -/* - * Given a bad blocks bitmap, update the bad blocks inode to reflect - * the map. - */ -errcode_t ext2fs_update_bb_inode(ext2_filsys fs, ext2_badblocks_list bb_list) -{ - errcode_t retval; - struct set_badblock_record rec; - struct ext2_inode inode; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!fs->block_map) - return EXT2_ET_NO_BLOCK_BITMAP; - - rec.bad_block_count = 0; - rec.ind_blocks_size = rec.ind_blocks_ptr = 0; - rec.max_ind_blocks = 10; - retval = ext2fs_get_mem(rec.max_ind_blocks * sizeof(blk_t), - &rec.ind_blocks); - if (retval) - return retval; - memset(rec.ind_blocks, 0, rec.max_ind_blocks * sizeof(blk_t)); - retval = ext2fs_get_mem(fs->blocksize, &rec.block_buf); - if (retval) - goto cleanup; - memset(rec.block_buf, 0, fs->blocksize); - rec.err = 0; - - /* - * First clear the old bad blocks (while saving the indirect blocks) - */ - retval = ext2fs_block_iterate2(fs, EXT2_BAD_INO, - BLOCK_FLAG_DEPTH_TRAVERSE, 0, - clear_bad_block_proc, &rec); - if (retval) - goto cleanup; - if (rec.err) { - retval = rec.err; - goto cleanup; - } - - /* - * Now set the bad blocks! - * - * First, mark the bad blocks as used. This prevents a bad - * block from being used as an indirecto block for the bad - * block inode (!). - */ - if (bb_list) { - retval = ext2fs_badblocks_list_iterate_begin(bb_list, - &rec.bb_iter); - if (retval) - goto cleanup; - retval = ext2fs_block_iterate2(fs, EXT2_BAD_INO, - BLOCK_FLAG_APPEND, 0, - set_bad_block_proc, &rec); - ext2fs_badblocks_list_iterate_end(rec.bb_iter); - if (retval) - goto cleanup; - if (rec.err) { - retval = rec.err; - goto cleanup; - } - } - - /* - * Update the bad block inode's mod time and block count - * field. - */ - retval = ext2fs_read_inode(fs, EXT2_BAD_INO, &inode); - if (retval) - goto cleanup; - - inode.i_atime = inode.i_mtime = time(0); - if (!inode.i_ctime) - inode.i_ctime = time(0); - inode.i_blocks = rec.bad_block_count * (fs->blocksize / 512); - inode.i_size = rec.bad_block_count * fs->blocksize; - - retval = ext2fs_write_inode(fs, EXT2_BAD_INO, &inode); - if (retval) - goto cleanup; - -cleanup: - ext2fs_free_mem(&rec.ind_blocks); - ext2fs_free_mem(&rec.block_buf); - return retval; -} - -/* - * Helper function for update_bb_inode() - * - * Clear the bad blocks in the bad block inode, while saving the - * indirect blocks. - */ -#ifdef __TURBOC__ -# pragma argsused -#endif -static int clear_bad_block_proc(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block EXT2FS_ATTR((unused)), - int ref_offset EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct set_badblock_record *rec = (struct set_badblock_record *) - priv_data; - errcode_t retval; - unsigned long old_size; - - if (!*block_nr) - return 0; - - /* - * If the block number is outrageous, clear it and ignore it. - */ - if (*block_nr >= fs->super->s_blocks_count || - *block_nr < fs->super->s_first_data_block) { - *block_nr = 0; - return BLOCK_CHANGED; - } - - if (blockcnt < 0) { - if (rec->ind_blocks_size >= rec->max_ind_blocks) { - old_size = rec->max_ind_blocks * sizeof(blk_t); - rec->max_ind_blocks += 10; - retval = ext2fs_resize_mem(old_size, - rec->max_ind_blocks * sizeof(blk_t), - &rec->ind_blocks); - if (retval) { - rec->max_ind_blocks -= 10; - rec->err = retval; - return BLOCK_ABORT; - } - } - rec->ind_blocks[rec->ind_blocks_size++] = *block_nr; - } - - /* - * Mark the block as unused, and update accounting information - */ - ext2fs_block_alloc_stats(fs, *block_nr, -1); - - *block_nr = 0; - return BLOCK_CHANGED; -} - - -/* - * Helper function for update_bb_inode() - * - * Set the block list in the bad block inode, using the supplied bitmap. - */ -#ifdef __TURBOC__ - #pragma argsused -#endif -static int set_bad_block_proc(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block EXT2FS_ATTR((unused)), - int ref_offset EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct set_badblock_record *rec = (struct set_badblock_record *) - priv_data; - errcode_t retval; - blk_t blk; - - if (blockcnt >= 0) { - /* - * Get the next bad block. - */ - if (!ext2fs_badblocks_list_iterate(rec->bb_iter, &blk)) - return BLOCK_ABORT; - rec->bad_block_count++; - } else { - /* - * An indirect block; fetch a block from the - * previously used indirect block list. The block - * most be not marked as used; if so, get another one. - * If we run out of reserved indirect blocks, allocate - * a new one. - */ - retry: - if (rec->ind_blocks_ptr < rec->ind_blocks_size) { - blk = rec->ind_blocks[rec->ind_blocks_ptr++]; - if (ext2fs_test_block_bitmap(fs->block_map, blk)) - goto retry; - } else { - retval = ext2fs_new_block(fs, 0, 0, &blk); - if (retval) { - rec->err = retval; - return BLOCK_ABORT; - } - } - retval = io_channel_write_blk(fs->io, blk, 1, rec->block_buf); - if (retval) { - rec->err = retval; - return BLOCK_ABORT; - } - } - - /* - * Update block counts - */ - ext2fs_block_alloc_stats(fs, blk, +1); - - *block_nr = blk; - return BLOCK_CHANGED; -} - - - - - - diff --git a/e2fsprogs/ext2fs/bitmaps.c b/e2fsprogs/ext2fs/bitmaps.c deleted file mode 100644 index 712a4a9..0000000 --- a/e2fsprogs/ext2fs/bitmaps.c +++ /dev/null @@ -1,213 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * bitmaps.c --- routines to read, write, and manipulate the inode and - * block bitmaps. - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -static errcode_t make_bitmap(__u32 start, __u32 end, __u32 real_end, - const char *descr, char *init_map, - ext2fs_generic_bitmap *ret) -{ - ext2fs_generic_bitmap bitmap; - errcode_t retval; - size_t size; - - retval = ext2fs_get_mem(sizeof(struct ext2fs_struct_generic_bitmap), - &bitmap); - if (retval) - return retval; - - bitmap->magic = EXT2_ET_MAGIC_GENERIC_BITMAP; - bitmap->fs = NULL; - bitmap->start = start; - bitmap->end = end; - bitmap->real_end = real_end; - bitmap->base_error_code = EXT2_ET_BAD_GENERIC_MARK; - if (descr) { - retval = ext2fs_get_mem(strlen(descr)+1, &bitmap->description); - if (retval) { - ext2fs_free_mem(&bitmap); - return retval; - } - strcpy(bitmap->description, descr); - } else - bitmap->description = 0; - - size = (size_t) (((bitmap->real_end - bitmap->start) / 8) + 1); - retval = ext2fs_get_mem(size, &bitmap->bitmap); - if (retval) { - ext2fs_free_mem(&bitmap->description); - ext2fs_free_mem(&bitmap); - return retval; - } - - if (init_map) - memcpy(bitmap->bitmap, init_map, size); - else - memset(bitmap->bitmap, 0, size); - *ret = bitmap; - return 0; -} - -errcode_t ext2fs_allocate_generic_bitmap(__u32 start, - __u32 end, - __u32 real_end, - const char *descr, - ext2fs_generic_bitmap *ret) -{ - return make_bitmap(start, end, real_end, descr, 0, ret); -} - -errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src, - ext2fs_generic_bitmap *dest) -{ - errcode_t retval; - ext2fs_generic_bitmap new_map; - - retval = make_bitmap(src->start, src->end, src->real_end, - src->description, src->bitmap, &new_map); - if (retval) - return retval; - new_map->magic = src->magic; - new_map->fs = src->fs; - new_map->base_error_code = src->base_error_code; - *dest = new_map; - return 0; -} - -void ext2fs_set_bitmap_padding(ext2fs_generic_bitmap map) -{ - __u32 i, j; - - for (i=map->end+1, j = i - map->start; i <= map->real_end; i++, j++) - ext2fs_set_bit(j, map->bitmap); - - return; -} - -errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs, - const char *descr, - ext2fs_inode_bitmap *ret) -{ - ext2fs_inode_bitmap bitmap; - errcode_t retval; - __u32 start, end, real_end; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - fs->write_bitmaps = ext2fs_write_bitmaps; - - start = 1; - end = fs->super->s_inodes_count; - real_end = (EXT2_INODES_PER_GROUP(fs->super) * fs->group_desc_count); - - retval = ext2fs_allocate_generic_bitmap(start, end, real_end, - descr, &bitmap); - if (retval) - return retval; - - bitmap->magic = EXT2_ET_MAGIC_INODE_BITMAP; - bitmap->fs = fs; - bitmap->base_error_code = EXT2_ET_BAD_INODE_MARK; - - *ret = bitmap; - return 0; -} - -errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs, - const char *descr, - ext2fs_block_bitmap *ret) -{ - ext2fs_block_bitmap bitmap; - errcode_t retval; - __u32 start, end, real_end; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - fs->write_bitmaps = ext2fs_write_bitmaps; - - start = fs->super->s_first_data_block; - end = fs->super->s_blocks_count-1; - real_end = (EXT2_BLOCKS_PER_GROUP(fs->super) - * fs->group_desc_count)-1 + start; - - retval = ext2fs_allocate_generic_bitmap(start, end, real_end, - descr, &bitmap); - if (retval) - return retval; - - bitmap->magic = EXT2_ET_MAGIC_BLOCK_BITMAP; - bitmap->fs = fs; - bitmap->base_error_code = EXT2_ET_BAD_BLOCK_MARK; - - *ret = bitmap; - return 0; -} - -errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap, - ext2_ino_t end, ext2_ino_t *oend) -{ - EXT2_CHECK_MAGIC(bitmap, EXT2_ET_MAGIC_INODE_BITMAP); - - if (end > bitmap->real_end) - return EXT2_ET_FUDGE_INODE_BITMAP_END; - if (oend) - *oend = bitmap->end; - bitmap->end = end; - return 0; -} - -errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap, - blk_t end, blk_t *oend) -{ - EXT2_CHECK_MAGIC(bitmap, EXT2_ET_MAGIC_BLOCK_BITMAP); - - if (end > bitmap->real_end) - return EXT2_ET_FUDGE_BLOCK_BITMAP_END; - if (oend) - *oend = bitmap->end; - bitmap->end = end; - return 0; -} - -void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap) -{ - if (!bitmap || (bitmap->magic != EXT2_ET_MAGIC_INODE_BITMAP)) - return; - - memset(bitmap->bitmap, 0, - (size_t) (((bitmap->real_end - bitmap->start) / 8) + 1)); -} - -void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap) -{ - if (!bitmap || (bitmap->magic != EXT2_ET_MAGIC_BLOCK_BITMAP)) - return; - - memset(bitmap->bitmap, 0, - (size_t) (((bitmap->real_end - bitmap->start) / 8) + 1)); -} diff --git a/e2fsprogs/ext2fs/bitops.c b/e2fsprogs/ext2fs/bitops.c deleted file mode 100644 index 9870611..0000000 --- a/e2fsprogs/ext2fs/bitops.c +++ /dev/null @@ -1,91 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * bitops.c --- Bitmap frobbing code. See bitops.h for the inlined - * routines. - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -#ifndef _EXT2_HAVE_ASM_BITOPS_ - -/* - * For the benefit of those who are trying to port Linux to another - * architecture, here are some C-language equivalents. You should - * recode these in the native assmebly language, if at all possible. - * - * C language equivalents written by Theodore Ts'o, 9/26/92. - * Modified by Pete A. Zaitcev 7/14/95 to be portable to big endian - * systems, as well as non-32 bit systems. - */ - -int ext2fs_set_bit(unsigned int nr,void * addr) -{ - int mask, retval; - unsigned char *ADDR = (unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - retval = mask & *ADDR; - *ADDR |= mask; - return retval; -} - -int ext2fs_clear_bit(unsigned int nr, void * addr) -{ - int mask, retval; - unsigned char *ADDR = (unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - retval = mask & *ADDR; - *ADDR &= ~mask; - return retval; -} - -int ext2fs_test_bit(unsigned int nr, const void * addr) -{ - int mask; - const unsigned char *ADDR = (const unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - return (mask & *ADDR); -} - -#endif /* !_EXT2_HAVE_ASM_BITOPS_ */ - -void ext2fs_warn_bitmap(errcode_t errcode, unsigned long arg, - const char *description) -{ -#ifndef OMIT_COM_ERR - if (description) - bb_error_msg("#%lu for %s", arg, description); - else - bb_error_msg("#%lu", arg); -#endif -} - -void ext2fs_warn_bitmap2(ext2fs_generic_bitmap bitmap, - int code, unsigned long arg) -{ -#ifndef OMIT_COM_ERR - if (bitmap->description) - bb_error_msg("#%lu for %s", arg, bitmap->description); - else - bb_error_msg("#%lu", arg); -#endif -} - diff --git a/e2fsprogs/ext2fs/bitops.h b/e2fsprogs/ext2fs/bitops.h deleted file mode 100644 index 6dd3086..0000000 --- a/e2fsprogs/ext2fs/bitops.h +++ /dev/null @@ -1,107 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * bitops.h --- Bitmap frobbing code. The byte swapping routines are - * also included here. - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - * - * i386 bitops operations taken from <asm/bitops.h>, Copyright 1992, - * Linus Torvalds. - */ - -#include <string.h> -#include <strings.h> - -extern int ext2fs_set_bit(unsigned int nr,void * addr); -extern int ext2fs_clear_bit(unsigned int nr, void * addr); -extern int ext2fs_test_bit(unsigned int nr, const void * addr); -extern __u16 ext2fs_swab16(__u16 val); -extern __u32 ext2fs_swab32(__u32 val); - -#ifdef WORDS_BIGENDIAN -#define ext2fs_cpu_to_le32(x) ext2fs_swab32((x)) -#define ext2fs_le32_to_cpu(x) ext2fs_swab32((x)) -#define ext2fs_cpu_to_le16(x) ext2fs_swab16((x)) -#define ext2fs_le16_to_cpu(x) ext2fs_swab16((x)) -#define ext2fs_cpu_to_be32(x) ((__u32)(x)) -#define ext2fs_be32_to_cpu(x) ((__u32)(x)) -#define ext2fs_cpu_to_be16(x) ((__u16)(x)) -#define ext2fs_be16_to_cpu(x) ((__u16)(x)) -#else -#define ext2fs_cpu_to_le32(x) ((__u32)(x)) -#define ext2fs_le32_to_cpu(x) ((__u32)(x)) -#define ext2fs_cpu_to_le16(x) ((__u16)(x)) -#define ext2fs_le16_to_cpu(x) ((__u16)(x)) -#define ext2fs_cpu_to_be32(x) ext2fs_swab32((x)) -#define ext2fs_be32_to_cpu(x) ext2fs_swab32((x)) -#define ext2fs_cpu_to_be16(x) ext2fs_swab16((x)) -#define ext2fs_be16_to_cpu(x) ext2fs_swab16((x)) -#endif - -/* - * EXT2FS bitmap manipulation routines. - */ - -/* Support for sending warning messages from the inline subroutines */ -extern const char *ext2fs_block_string; -extern const char *ext2fs_inode_string; -extern const char *ext2fs_mark_string; -extern const char *ext2fs_unmark_string; -extern const char *ext2fs_test_string; -extern void ext2fs_warn_bitmap(errcode_t errcode, unsigned long arg, - const char *description); -extern void ext2fs_warn_bitmap2(ext2fs_generic_bitmap bitmap, - int code, unsigned long arg); - -extern int ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block); -extern int ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block); -extern int ext2fs_test_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block); - -extern int ext2fs_mark_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode); -extern int ext2fs_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode); -extern int ext2fs_test_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode); - -extern void ext2fs_fast_mark_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block); -extern void ext2fs_fast_unmark_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block); -extern int ext2fs_fast_test_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block); - -extern void ext2fs_fast_mark_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode); -extern void ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode); -extern int ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode); -extern blk_t ext2fs_get_block_bitmap_start(ext2fs_block_bitmap bitmap); -extern ext2_ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap); -extern blk_t ext2fs_get_block_bitmap_end(ext2fs_block_bitmap bitmap); -extern ext2_ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap); - -extern void ext2fs_mark_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num); -extern void ext2fs_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num); -extern int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num); -extern void ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num); -extern void ext2fs_fast_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num); -extern int ext2fs_fast_test_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num); -extern void ext2fs_set_bitmap_padding(ext2fs_generic_bitmap map); - -/* These two routines moved to gen_bitmap.c */ -extern int ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap, - __u32 bitno); -extern int ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap, - blk_t bitno); diff --git a/e2fsprogs/ext2fs/block.c b/e2fsprogs/ext2fs/block.c deleted file mode 100644 index 0a757b2..0000000 --- a/e2fsprogs/ext2fs/block.c +++ /dev/null @@ -1,438 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * block.c --- iterate over all blocks in an inode - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct block_context { - ext2_filsys fs; - int (*func)(ext2_filsys fs, - blk_t *blocknr, - e2_blkcnt_t bcount, - blk_t ref_blk, - int ref_offset, - void *priv_data); - e2_blkcnt_t bcount; - int bsize; - int flags; - errcode_t errcode; - char *ind_buf; - char *dind_buf; - char *tind_buf; - void *priv_data; -}; - -static int block_iterate_ind(blk_t *ind_block, blk_t ref_block, - int ref_offset, struct block_context *ctx) -{ - int ret = 0, changed = 0; - int i, flags, limit, offset; - blk_t *block_nr; - - limit = ctx->fs->blocksize >> 2; - if (!(ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) && - !(ctx->flags & BLOCK_FLAG_DATA_ONLY)) - ret = (*ctx->func)(ctx->fs, ind_block, - BLOCK_COUNT_IND, ref_block, - ref_offset, ctx->priv_data); - if (!*ind_block || (ret & BLOCK_ABORT)) { - ctx->bcount += limit; - return ret; - } - if (*ind_block >= ctx->fs->super->s_blocks_count || - *ind_block < ctx->fs->super->s_first_data_block) { - ctx->errcode = EXT2_ET_BAD_IND_BLOCK; - ret |= BLOCK_ERROR; - return ret; - } - ctx->errcode = ext2fs_read_ind_block(ctx->fs, *ind_block, - ctx->ind_buf); - if (ctx->errcode) { - ret |= BLOCK_ERROR; - return ret; - } - - block_nr = (blk_t *) ctx->ind_buf; - offset = 0; - if (ctx->flags & BLOCK_FLAG_APPEND) { - for (i = 0; i < limit; i++, ctx->bcount++, block_nr++) { - flags = (*ctx->func)(ctx->fs, block_nr, ctx->bcount, - *ind_block, offset, - ctx->priv_data); - changed |= flags; - if (flags & BLOCK_ABORT) { - ret |= BLOCK_ABORT; - break; - } - offset += sizeof(blk_t); - } - } else { - for (i = 0; i < limit; i++, ctx->bcount++, block_nr++) { - if (*block_nr == 0) - continue; - flags = (*ctx->func)(ctx->fs, block_nr, ctx->bcount, - *ind_block, offset, - ctx->priv_data); - changed |= flags; - if (flags & BLOCK_ABORT) { - ret |= BLOCK_ABORT; - break; - } - offset += sizeof(blk_t); - } - } - if (changed & BLOCK_CHANGED) { - ctx->errcode = ext2fs_write_ind_block(ctx->fs, *ind_block, - ctx->ind_buf); - if (ctx->errcode) - ret |= BLOCK_ERROR | BLOCK_ABORT; - } - if ((ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) && - !(ctx->flags & BLOCK_FLAG_DATA_ONLY) && - !(ret & BLOCK_ABORT)) - ret |= (*ctx->func)(ctx->fs, ind_block, - BLOCK_COUNT_IND, ref_block, - ref_offset, ctx->priv_data); - return ret; -} - -static int block_iterate_dind(blk_t *dind_block, blk_t ref_block, - int ref_offset, struct block_context *ctx) -{ - int ret = 0, changed = 0; - int i, flags, limit, offset; - blk_t *block_nr; - - limit = ctx->fs->blocksize >> 2; - if (!(ctx->flags & (BLOCK_FLAG_DEPTH_TRAVERSE | - BLOCK_FLAG_DATA_ONLY))) - ret = (*ctx->func)(ctx->fs, dind_block, - BLOCK_COUNT_DIND, ref_block, - ref_offset, ctx->priv_data); - if (!*dind_block || (ret & BLOCK_ABORT)) { - ctx->bcount += limit*limit; - return ret; - } - if (*dind_block >= ctx->fs->super->s_blocks_count || - *dind_block < ctx->fs->super->s_first_data_block) { - ctx->errcode = EXT2_ET_BAD_DIND_BLOCK; - ret |= BLOCK_ERROR; - return ret; - } - ctx->errcode = ext2fs_read_ind_block(ctx->fs, *dind_block, - ctx->dind_buf); - if (ctx->errcode) { - ret |= BLOCK_ERROR; - return ret; - } - - block_nr = (blk_t *) ctx->dind_buf; - offset = 0; - if (ctx->flags & BLOCK_FLAG_APPEND) { - for (i = 0; i < limit; i++, block_nr++) { - flags = block_iterate_ind(block_nr, - *dind_block, offset, - ctx); - changed |= flags; - if (flags & (BLOCK_ABORT | BLOCK_ERROR)) { - ret |= flags & (BLOCK_ABORT | BLOCK_ERROR); - break; - } - offset += sizeof(blk_t); - } - } else { - for (i = 0; i < limit; i++, block_nr++) { - if (*block_nr == 0) { - ctx->bcount += limit; - continue; - } - flags = block_iterate_ind(block_nr, - *dind_block, offset, - ctx); - changed |= flags; - if (flags & (BLOCK_ABORT | BLOCK_ERROR)) { - ret |= flags & (BLOCK_ABORT | BLOCK_ERROR); - break; - } - offset += sizeof(blk_t); - } - } - if (changed & BLOCK_CHANGED) { - ctx->errcode = ext2fs_write_ind_block(ctx->fs, *dind_block, - ctx->dind_buf); - if (ctx->errcode) - ret |= BLOCK_ERROR | BLOCK_ABORT; - } - if ((ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) && - !(ctx->flags & BLOCK_FLAG_DATA_ONLY) && - !(ret & BLOCK_ABORT)) - ret |= (*ctx->func)(ctx->fs, dind_block, - BLOCK_COUNT_DIND, ref_block, - ref_offset, ctx->priv_data); - return ret; -} - -static int block_iterate_tind(blk_t *tind_block, blk_t ref_block, - int ref_offset, struct block_context *ctx) -{ - int ret = 0, changed = 0; - int i, flags, limit, offset; - blk_t *block_nr; - - limit = ctx->fs->blocksize >> 2; - if (!(ctx->flags & (BLOCK_FLAG_DEPTH_TRAVERSE | - BLOCK_FLAG_DATA_ONLY))) - ret = (*ctx->func)(ctx->fs, tind_block, - BLOCK_COUNT_TIND, ref_block, - ref_offset, ctx->priv_data); - if (!*tind_block || (ret & BLOCK_ABORT)) { - ctx->bcount += limit*limit*limit; - return ret; - } - if (*tind_block >= ctx->fs->super->s_blocks_count || - *tind_block < ctx->fs->super->s_first_data_block) { - ctx->errcode = EXT2_ET_BAD_TIND_BLOCK; - ret |= BLOCK_ERROR; - return ret; - } - ctx->errcode = ext2fs_read_ind_block(ctx->fs, *tind_block, - ctx->tind_buf); - if (ctx->errcode) { - ret |= BLOCK_ERROR; - return ret; - } - - block_nr = (blk_t *) ctx->tind_buf; - offset = 0; - if (ctx->flags & BLOCK_FLAG_APPEND) { - for (i = 0; i < limit; i++, block_nr++) { - flags = block_iterate_dind(block_nr, - *tind_block, - offset, ctx); - changed |= flags; - if (flags & (BLOCK_ABORT | BLOCK_ERROR)) { - ret |= flags & (BLOCK_ABORT | BLOCK_ERROR); - break; - } - offset += sizeof(blk_t); - } - } else { - for (i = 0; i < limit; i++, block_nr++) { - if (*block_nr == 0) { - ctx->bcount += limit*limit; - continue; - } - flags = block_iterate_dind(block_nr, - *tind_block, - offset, ctx); - changed |= flags; - if (flags & (BLOCK_ABORT | BLOCK_ERROR)) { - ret |= flags & (BLOCK_ABORT | BLOCK_ERROR); - break; - } - offset += sizeof(blk_t); - } - } - if (changed & BLOCK_CHANGED) { - ctx->errcode = ext2fs_write_ind_block(ctx->fs, *tind_block, - ctx->tind_buf); - if (ctx->errcode) - ret |= BLOCK_ERROR | BLOCK_ABORT; - } - if ((ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) && - !(ctx->flags & BLOCK_FLAG_DATA_ONLY) && - !(ret & BLOCK_ABORT)) - ret |= (*ctx->func)(ctx->fs, tind_block, - BLOCK_COUNT_TIND, ref_block, - ref_offset, ctx->priv_data); - - return ret; -} - -errcode_t ext2fs_block_iterate2(ext2_filsys fs, - ext2_ino_t ino, - int flags, - char *block_buf, - int (*func)(ext2_filsys fs, - blk_t *blocknr, - e2_blkcnt_t blockcnt, - blk_t ref_blk, - int ref_offset, - void *priv_data), - void *priv_data) -{ - int i; - int got_inode = 0; - int ret = 0; - blk_t blocks[EXT2_N_BLOCKS]; /* directory data blocks */ - struct ext2_inode inode; - errcode_t retval; - struct block_context ctx; - int limit; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - /* - * Check to see if we need to limit large files - */ - if (flags & BLOCK_FLAG_NO_LARGE) { - ctx.errcode = ext2fs_read_inode(fs, ino, &inode); - if (ctx.errcode) - return ctx.errcode; - got_inode = 1; - if (!LINUX_S_ISDIR(inode.i_mode) && - (inode.i_size_high != 0)) - return EXT2_ET_FILE_TOO_BIG; - } - - retval = ext2fs_get_blocks(fs, ino, blocks); - if (retval) - return retval; - - limit = fs->blocksize >> 2; - - ctx.fs = fs; - ctx.func = func; - ctx.priv_data = priv_data; - ctx.flags = flags; - ctx.bcount = 0; - if (block_buf) { - ctx.ind_buf = block_buf; - } else { - retval = ext2fs_get_mem(fs->blocksize * 3, &ctx.ind_buf); - if (retval) - return retval; - } - ctx.dind_buf = ctx.ind_buf + fs->blocksize; - ctx.tind_buf = ctx.dind_buf + fs->blocksize; - - /* - * Iterate over the HURD translator block (if present) - */ - if ((fs->super->s_creator_os == EXT2_OS_HURD) && - !(flags & BLOCK_FLAG_DATA_ONLY)) { - ctx.errcode = ext2fs_read_inode(fs, ino, &inode); - if (ctx.errcode) - goto abort_exit; - got_inode = 1; - if (inode.osd1.hurd1.h_i_translator) { - ret |= (*ctx.func)(fs, - &inode.osd1.hurd1.h_i_translator, - BLOCK_COUNT_TRANSLATOR, - 0, 0, priv_data); - if (ret & BLOCK_ABORT) - goto abort_exit; - } - } - - /* - * Iterate over normal data blocks - */ - for (i = 0; i < EXT2_NDIR_BLOCKS ; i++, ctx.bcount++) { - if (blocks[i] || (flags & BLOCK_FLAG_APPEND)) { - ret |= (*ctx.func)(fs, &blocks[i], - ctx.bcount, 0, i, priv_data); - if (ret & BLOCK_ABORT) - goto abort_exit; - } - } - if (*(blocks + EXT2_IND_BLOCK) || (flags & BLOCK_FLAG_APPEND)) { - ret |= block_iterate_ind(blocks + EXT2_IND_BLOCK, - 0, EXT2_IND_BLOCK, &ctx); - if (ret & BLOCK_ABORT) - goto abort_exit; - } else - ctx.bcount += limit; - if (*(blocks + EXT2_DIND_BLOCK) || (flags & BLOCK_FLAG_APPEND)) { - ret |= block_iterate_dind(blocks + EXT2_DIND_BLOCK, - 0, EXT2_DIND_BLOCK, &ctx); - if (ret & BLOCK_ABORT) - goto abort_exit; - } else - ctx.bcount += limit * limit; - if (*(blocks + EXT2_TIND_BLOCK) || (flags & BLOCK_FLAG_APPEND)) { - ret |= block_iterate_tind(blocks + EXT2_TIND_BLOCK, - 0, EXT2_TIND_BLOCK, &ctx); - if (ret & BLOCK_ABORT) - goto abort_exit; - } - -abort_exit: - if (ret & BLOCK_CHANGED) { - if (!got_inode) { - retval = ext2fs_read_inode(fs, ino, &inode); - if (retval) - return retval; - } - for (i=0; i < EXT2_N_BLOCKS; i++) - inode.i_block[i] = blocks[i]; - retval = ext2fs_write_inode(fs, ino, &inode); - if (retval) - return retval; - } - - if (!block_buf) - ext2fs_free_mem(&ctx.ind_buf); - - return (ret & BLOCK_ERROR) ? ctx.errcode : 0; -} - -/* - * Emulate the old ext2fs_block_iterate function! - */ - -struct xlate { - int (*func)(ext2_filsys fs, - blk_t *blocknr, - int bcount, - void *priv_data); - void *real_private; -}; - -#ifdef __TURBOC__ -# pragma argsused -#endif -static int xlate_func(ext2_filsys fs, blk_t *blocknr, e2_blkcnt_t blockcnt, - blk_t ref_block EXT2FS_ATTR((unused)), - int ref_offset EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct xlate *xl = (struct xlate *) priv_data; - - return (*xl->func)(fs, blocknr, (int) blockcnt, xl->real_private); -} - -errcode_t ext2fs_block_iterate(ext2_filsys fs, - ext2_ino_t ino, - int flags, - char *block_buf, - int (*func)(ext2_filsys fs, - blk_t *blocknr, - int blockcnt, - void *priv_data), - void *priv_data) -{ - struct xlate xl; - - xl.real_private = priv_data; - xl.func = func; - - return ext2fs_block_iterate2(fs, ino, BLOCK_FLAG_NO_LARGE | flags, - block_buf, xlate_func, &xl); -} - diff --git a/e2fsprogs/ext2fs/bmap.c b/e2fsprogs/ext2fs/bmap.c deleted file mode 100644 index b22fe3d..0000000 --- a/e2fsprogs/ext2fs/bmap.c +++ /dev/null @@ -1,264 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * bmap.c --- logical to physical block mapping - * - * Copyright (C) 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -extern errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode, - char *block_buf, int bmap_flags, - blk_t block, blk_t *phys_blk); - -#define inode_bmap(inode, nr) ((inode)->i_block[(nr)]) - -static errcode_t block_ind_bmap(ext2_filsys fs, int flags, - blk_t ind, char *block_buf, - int *blocks_alloc, - blk_t nr, blk_t *ret_blk) -{ - errcode_t retval; - blk_t b; - - if (!ind) { - if (flags & BMAP_SET) - return EXT2_ET_SET_BMAP_NO_IND; - *ret_blk = 0; - return 0; - } - retval = io_channel_read_blk(fs->io, ind, 1, block_buf); - if (retval) - return retval; - - if (flags & BMAP_SET) { - b = *ret_blk; -#if BB_BIG_ENDIAN - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE)) - b = ext2fs_swab32(b); -#endif - ((blk_t *) block_buf)[nr] = b; - return io_channel_write_blk(fs->io, ind, 1, block_buf); - } - - b = ((blk_t *) block_buf)[nr]; - -#if BB_BIG_ENDIAN - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_READ)) - b = ext2fs_swab32(b); -#endif - - if (!b && (flags & BMAP_ALLOC)) { - b = nr ? ((blk_t *) block_buf)[nr-1] : 0; - retval = ext2fs_alloc_block(fs, b, - block_buf + fs->blocksize, &b); - if (retval) - return retval; - -#if BB_BIG_ENDIAN - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE)) - ((blk_t *) block_buf)[nr] = ext2fs_swab32(b); - else -#endif - ((blk_t *) block_buf)[nr] = b; - - retval = io_channel_write_blk(fs->io, ind, 1, block_buf); - if (retval) - return retval; - - (*blocks_alloc)++; - } - - *ret_blk = b; - return 0; -} - -static errcode_t block_dind_bmap(ext2_filsys fs, int flags, - blk_t dind, char *block_buf, - int *blocks_alloc, - blk_t nr, blk_t *ret_blk) -{ - blk_t b; - errcode_t retval; - blk_t addr_per_block; - - addr_per_block = (blk_t) fs->blocksize >> 2; - - retval = block_ind_bmap(fs, flags & ~BMAP_SET, dind, block_buf, - blocks_alloc, nr / addr_per_block, &b); - if (retval) - return retval; - retval = block_ind_bmap(fs, flags, b, block_buf, blocks_alloc, - nr % addr_per_block, ret_blk); - return retval; -} - -static errcode_t block_tind_bmap(ext2_filsys fs, int flags, - blk_t tind, char *block_buf, - int *blocks_alloc, - blk_t nr, blk_t *ret_blk) -{ - blk_t b; - errcode_t retval; - blk_t addr_per_block; - - addr_per_block = (blk_t) fs->blocksize >> 2; - - retval = block_dind_bmap(fs, flags & ~BMAP_SET, tind, block_buf, - blocks_alloc, nr / addr_per_block, &b); - if (retval) - return retval; - retval = block_ind_bmap(fs, flags, b, block_buf, blocks_alloc, - nr % addr_per_block, ret_blk); - return retval; -} - -errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, struct ext2_inode *inode, - char *block_buf, int bmap_flags, blk_t block, - blk_t *phys_blk) -{ - struct ext2_inode inode_buf; - blk_t addr_per_block; - blk_t b; - char *buf = 0; - errcode_t retval = 0; - int blocks_alloc = 0, inode_dirty = 0; - - if (!(bmap_flags & BMAP_SET)) - *phys_blk = 0; - - /* Read inode structure if necessary */ - if (!inode) { - retval = ext2fs_read_inode(fs, ino, &inode_buf); - if (retval) - return retval; - inode = &inode_buf; - } - addr_per_block = (blk_t) fs->blocksize >> 2; - - if (!block_buf) { - retval = ext2fs_get_mem(fs->blocksize * 2, &buf); - if (retval) - return retval; - block_buf = buf; - } - - if (block < EXT2_NDIR_BLOCKS) { - if (bmap_flags & BMAP_SET) { - b = *phys_blk; -#if BB_BIG_ENDIAN - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_READ)) - b = ext2fs_swab32(b); -#endif - inode_bmap(inode, block) = b; - inode_dirty++; - goto done; - } - - *phys_blk = inode_bmap(inode, block); - b = block ? inode_bmap(inode, block-1) : 0; - - if ((*phys_blk == 0) && (bmap_flags & BMAP_ALLOC)) { - retval = ext2fs_alloc_block(fs, b, block_buf, &b); - if (retval) - goto done; - inode_bmap(inode, block) = b; - blocks_alloc++; - *phys_blk = b; - } - goto done; - } - - /* Indirect block */ - block -= EXT2_NDIR_BLOCKS; - if (block < addr_per_block) { - b = inode_bmap(inode, EXT2_IND_BLOCK); - if (!b) { - if (!(bmap_flags & BMAP_ALLOC)) { - if (bmap_flags & BMAP_SET) - retval = EXT2_ET_SET_BMAP_NO_IND; - goto done; - } - - b = inode_bmap(inode, EXT2_IND_BLOCK-1); - retval = ext2fs_alloc_block(fs, b, block_buf, &b); - if (retval) - goto done; - inode_bmap(inode, EXT2_IND_BLOCK) = b; - blocks_alloc++; - } - retval = block_ind_bmap(fs, bmap_flags, b, block_buf, - &blocks_alloc, block, phys_blk); - goto done; - } - - /* Doubly indirect block */ - block -= addr_per_block; - if (block < addr_per_block * addr_per_block) { - b = inode_bmap(inode, EXT2_DIND_BLOCK); - if (!b) { - if (!(bmap_flags & BMAP_ALLOC)) { - if (bmap_flags & BMAP_SET) - retval = EXT2_ET_SET_BMAP_NO_IND; - goto done; - } - - b = inode_bmap(inode, EXT2_IND_BLOCK); - retval = ext2fs_alloc_block(fs, b, block_buf, &b); - if (retval) - goto done; - inode_bmap(inode, EXT2_DIND_BLOCK) = b; - blocks_alloc++; - } - retval = block_dind_bmap(fs, bmap_flags, b, block_buf, - &blocks_alloc, block, phys_blk); - goto done; - } - - /* Triply indirect block */ - block -= addr_per_block * addr_per_block; - b = inode_bmap(inode, EXT2_TIND_BLOCK); - if (!b) { - if (!(bmap_flags & BMAP_ALLOC)) { - if (bmap_flags & BMAP_SET) - retval = EXT2_ET_SET_BMAP_NO_IND; - goto done; - } - - b = inode_bmap(inode, EXT2_DIND_BLOCK); - retval = ext2fs_alloc_block(fs, b, block_buf, &b); - if (retval) - goto done; - inode_bmap(inode, EXT2_TIND_BLOCK) = b; - blocks_alloc++; - } - retval = block_tind_bmap(fs, bmap_flags, b, block_buf, - &blocks_alloc, block, phys_blk); -done: - ext2fs_free_mem(&buf); - if ((retval == 0) && (blocks_alloc || inode_dirty)) { - inode->i_blocks += (blocks_alloc * fs->blocksize) / 512; - retval = ext2fs_write_inode(fs, ino, inode); - } - return retval; -} - - - diff --git a/e2fsprogs/ext2fs/bmove.c b/e2fsprogs/ext2fs/bmove.c deleted file mode 100644 index 635410d..0000000 --- a/e2fsprogs/ext2fs/bmove.c +++ /dev/null @@ -1,156 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * bmove.c --- Move blocks around to make way for a particular - * filesystem structure. - * - * Copyright (C) 1997 Theodore Ts'o. This file may be redistributed - * under the terms of the GNU Public License. - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fsP.h" - -struct process_block_struct { - ext2_ino_t ino; - struct ext2_inode * inode; - ext2fs_block_bitmap reserve; - ext2fs_block_bitmap alloc_map; - errcode_t error; - char *buf; - int add_dir; - int flags; -}; - -static int process_block(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt, blk_t ref_block, - int ref_offset, void *priv_data) -{ - struct process_block_struct *pb; - errcode_t retval; - int ret; - blk_t block, orig; - - pb = (struct process_block_struct *) priv_data; - block = orig = *block_nr; - ret = 0; - - /* - * Let's see if this is one which we need to relocate - */ - if (ext2fs_test_block_bitmap(pb->reserve, block)) { - do { - if (++block >= fs->super->s_blocks_count) - block = fs->super->s_first_data_block; - if (block == orig) { - pb->error = EXT2_ET_BLOCK_ALLOC_FAIL; - return BLOCK_ABORT; - } - } while (ext2fs_test_block_bitmap(pb->reserve, block) || - ext2fs_test_block_bitmap(pb->alloc_map, block)); - - retval = io_channel_read_blk(fs->io, orig, 1, pb->buf); - if (retval) { - pb->error = retval; - return BLOCK_ABORT; - } - retval = io_channel_write_blk(fs->io, block, 1, pb->buf); - if (retval) { - pb->error = retval; - return BLOCK_ABORT; - } - *block_nr = block; - ext2fs_mark_block_bitmap(pb->alloc_map, block); - ret = BLOCK_CHANGED; - if (pb->flags & EXT2_BMOVE_DEBUG) - printf("ino=%ld, blockcnt=%lld, %d->%d\n", pb->ino, - blockcnt, orig, block); - } - if (pb->add_dir) { - retval = ext2fs_add_dir_block(fs->dblist, pb->ino, - block, (int) blockcnt); - if (retval) { - pb->error = retval; - ret |= BLOCK_ABORT; - } - } - return ret; -} - -errcode_t ext2fs_move_blocks(ext2_filsys fs, - ext2fs_block_bitmap reserve, - ext2fs_block_bitmap alloc_map, - int flags) -{ - ext2_ino_t ino; - struct ext2_inode inode; - errcode_t retval; - struct process_block_struct pb; - ext2_inode_scan scan; - char *block_buf; - - retval = ext2fs_open_inode_scan(fs, 0, &scan); - if (retval) - return retval; - - pb.reserve = reserve; - pb.error = 0; - pb.alloc_map = alloc_map ? alloc_map : fs->block_map; - pb.flags = flags; - - retval = ext2fs_get_mem(fs->blocksize * 4, &block_buf); - if (retval) - return retval; - pb.buf = block_buf + fs->blocksize * 3; - - /* - * If GET_DBLIST is set in the flags field, then we should - * gather directory block information while we're doing the - * block move. - */ - if (flags & EXT2_BMOVE_GET_DBLIST) { - ext2fs_free_dblist(fs->dblist); - fs->dblist = NULL; - retval = ext2fs_init_dblist(fs, 0); - if (retval) - return retval; - } - - retval = ext2fs_get_next_inode(scan, &ino, &inode); - if (retval) - return retval; - - while (ino) { - if ((inode.i_links_count == 0) || - !ext2fs_inode_has_valid_blocks(&inode)) - goto next; - - pb.ino = ino; - pb.inode = &inode; - - pb.add_dir = (LINUX_S_ISDIR(inode.i_mode) && - flags & EXT2_BMOVE_GET_DBLIST); - - retval = ext2fs_block_iterate2(fs, ino, 0, block_buf, - process_block, &pb); - if (retval) - return retval; - if (pb.error) - return pb.error; - - next: - retval = ext2fs_get_next_inode(scan, &ino, &inode); - if (retval == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE) - goto next; - } - return 0; -} - diff --git a/e2fsprogs/ext2fs/brel.h b/e2fsprogs/ext2fs/brel.h deleted file mode 100644 index 216fd13..0000000 --- a/e2fsprogs/ext2fs/brel.h +++ /dev/null @@ -1,87 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * brel.h - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -struct ext2_block_relocate_entry { - blk_t new; - __s16 offset; - __u16 flags; - union { - blk_t block_ref; - ext2_ino_t inode_ref; - } owner; -}; - -#define RELOCATE_TYPE_REF 0x0007 -#define RELOCATE_BLOCK_REF 0x0001 -#define RELOCATE_INODE_REF 0x0002 - -typedef struct ext2_block_relocation_table *ext2_brel; - -struct ext2_block_relocation_table { - __u32 magic; - char *name; - blk_t current; - void *priv_data; - - /* - * Add a block relocation entry. - */ - errcode_t (*put)(ext2_brel brel, blk_t old, - struct ext2_block_relocate_entry *ent); - - /* - * Get a block relocation entry. - */ - errcode_t (*get)(ext2_brel brel, blk_t old, - struct ext2_block_relocate_entry *ent); - - /* - * Initialize for iterating over the block relocation entries. - */ - errcode_t (*start_iter)(ext2_brel brel); - - /* - * The iterator function for the inode relocation entries. - * Returns an inode number of 0 when out of entries. - */ - errcode_t (*next)(ext2_brel brel, blk_t *old, - struct ext2_block_relocate_entry *ent); - - /* - * Move the inode relocation table from one block number to - * another. - */ - errcode_t (*move)(ext2_brel brel, blk_t old, blk_t new); - - /* - * Remove a block relocation entry. - */ - errcode_t (*delete)(ext2_brel brel, blk_t old); - - - /* - * Free the block relocation table. - */ - errcode_t (*free)(ext2_brel brel); -}; - -errcode_t ext2fs_brel_memarray_create(char *name, blk_t max_block, - ext2_brel *brel); - -#define ext2fs_brel_put(brel, old, ent) ((brel)->put((brel), old, ent)) -#define ext2fs_brel_get(brel, old, ent) ((brel)->get((brel), old, ent)) -#define ext2fs_brel_start_iter(brel) ((brel)->start_iter((brel))) -#define ext2fs_brel_next(brel, old, ent) ((brel)->next((brel), old, ent)) -#define ext2fs_brel_move(brel, old, new) ((brel)->move((brel), old, new)) -#define ext2fs_brel_delete(brel, old) ((brel)->delete((brel), old)) -#define ext2fs_brel_free(brel) ((brel)->free((brel))) - diff --git a/e2fsprogs/ext2fs/brel_ma.c b/e2fsprogs/ext2fs/brel_ma.c deleted file mode 100644 index 652a350..0000000 --- a/e2fsprogs/ext2fs/brel_ma.c +++ /dev/null @@ -1,196 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * brel_ma.c - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * TODO: rewrite to not use a direct array!!! (Fortunately this - * module isn't really used yet.) - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <fcntl.h> -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" -#include "brel.h" - -static errcode_t bma_put(ext2_brel brel, blk_t old, - struct ext2_block_relocate_entry *ent); -static errcode_t bma_get(ext2_brel brel, blk_t old, - struct ext2_block_relocate_entry *ent); -static errcode_t bma_start_iter(ext2_brel brel); -static errcode_t bma_next(ext2_brel brel, blk_t *old, - struct ext2_block_relocate_entry *ent); -static errcode_t bma_move(ext2_brel brel, blk_t old, blk_t new); -static errcode_t bma_delete(ext2_brel brel, blk_t old); -static errcode_t bma_free(ext2_brel brel); - -struct brel_ma { - __u32 magic; - blk_t max_block; - struct ext2_block_relocate_entry *entries; -}; - -errcode_t ext2fs_brel_memarray_create(char *name, blk_t max_block, - ext2_brel *new_brel) -{ - ext2_brel brel = 0; - errcode_t retval; - struct brel_ma *ma = 0; - size_t size; - - *new_brel = 0; - - /* - * Allocate memory structures - */ - retval = ext2fs_get_mem(sizeof(struct ext2_block_relocation_table), - &brel); - if (retval) - goto errout; - memset(brel, 0, sizeof(struct ext2_block_relocation_table)); - - retval = ext2fs_get_mem(strlen(name)+1, &brel->name); - if (retval) - goto errout; - strcpy(brel->name, name); - - retval = ext2fs_get_mem(sizeof(struct brel_ma), &ma); - if (retval) - goto errout; - memset(ma, 0, sizeof(struct brel_ma)); - brel->priv_data = ma; - - size = (size_t) (sizeof(struct ext2_block_relocate_entry) * - (max_block+1)); - retval = ext2fs_get_mem(size, &ma->entries); - if (retval) - goto errout; - memset(ma->entries, 0, size); - ma->max_block = max_block; - - /* - * Fill in the brel data structure - */ - brel->put = bma_put; - brel->get = bma_get; - brel->start_iter = bma_start_iter; - brel->next = bma_next; - brel->move = bma_move; - brel->delete = bma_delete; - brel->free = bma_free; - - *new_brel = brel; - return 0; - -errout: - bma_free(brel); - return retval; -} - -static errcode_t bma_put(ext2_brel brel, blk_t old, - struct ext2_block_relocate_entry *ent) -{ - struct brel_ma *ma; - - ma = brel->priv_data; - if (old > ma->max_block) - return EXT2_ET_INVALID_ARGUMENT; - ma->entries[(unsigned)old] = *ent; - return 0; -} - -static errcode_t bma_get(ext2_brel brel, blk_t old, - struct ext2_block_relocate_entry *ent) -{ - struct brel_ma *ma; - - ma = brel->priv_data; - if (old > ma->max_block) - return EXT2_ET_INVALID_ARGUMENT; - if (ma->entries[(unsigned)old].new == 0) - return ENOENT; - *ent = ma->entries[old]; - return 0; -} - -static errcode_t bma_start_iter(ext2_brel brel) -{ - brel->current = 0; - return 0; -} - -static errcode_t bma_next(ext2_brel brel, blk_t *old, - struct ext2_block_relocate_entry *ent) -{ - struct brel_ma *ma; - - ma = brel->priv_data; - while (++brel->current < ma->max_block) { - if (ma->entries[(unsigned)brel->current].new == 0) - continue; - *old = brel->current; - *ent = ma->entries[(unsigned)brel->current]; - return 0; - } - *old = 0; - return 0; -} - -static errcode_t bma_move(ext2_brel brel, blk_t old, blk_t new) -{ - struct brel_ma *ma; - - ma = brel->priv_data; - if ((old > ma->max_block) || (new > ma->max_block)) - return EXT2_ET_INVALID_ARGUMENT; - if (ma->entries[(unsigned)old].new == 0) - return ENOENT; - ma->entries[(unsigned)new] = ma->entries[old]; - ma->entries[(unsigned)old].new = 0; - return 0; -} - -static errcode_t bma_delete(ext2_brel brel, blk_t old) -{ - struct brel_ma *ma; - - ma = brel->priv_data; - if (old > ma->max_block) - return EXT2_ET_INVALID_ARGUMENT; - if (ma->entries[(unsigned)old].new == 0) - return ENOENT; - ma->entries[(unsigned)old].new = 0; - return 0; -} - -static errcode_t bma_free(ext2_brel brel) -{ - struct brel_ma *ma; - - if (!brel) - return 0; - - ma = brel->priv_data; - - if (ma) { - ext2fs_free_mem(&ma->entries); - ext2fs_free_mem(&ma); - } - ext2fs_free_mem(&brel->name); - ext2fs_free_mem(&brel); - return 0; -} diff --git a/e2fsprogs/ext2fs/check_desc.c b/e2fsprogs/ext2fs/check_desc.c deleted file mode 100644 index dd4b0e9..0000000 --- a/e2fsprogs/ext2fs/check_desc.c +++ /dev/null @@ -1,69 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * check_desc.c --- Check the group descriptors of an ext2 filesystem - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * This routine sanity checks the group descriptors - */ -errcode_t ext2fs_check_desc(ext2_filsys fs) -{ - dgrp_t i; - blk_t block = fs->super->s_first_data_block; - blk_t next; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - for (i = 0; i < fs->group_desc_count; i++) { - next = block + fs->super->s_blocks_per_group; - /* - * Check to make sure block bitmap for group is - * located within the group. - */ - if (fs->group_desc[i].bg_block_bitmap < block || - fs->group_desc[i].bg_block_bitmap >= next) - return EXT2_ET_GDESC_BAD_BLOCK_MAP; - /* - * Check to make sure inode bitmap for group is - * located within the group - */ - if (fs->group_desc[i].bg_inode_bitmap < block || - fs->group_desc[i].bg_inode_bitmap >= next) - return EXT2_ET_GDESC_BAD_INODE_MAP; - /* - * Check to make sure inode table for group is located - * within the group - */ - if (fs->group_desc[i].bg_inode_table < block || - ((fs->group_desc[i].bg_inode_table + - fs->inode_blocks_per_group) >= next)) - return EXT2_ET_GDESC_BAD_INODE_TABLE; - - block = next; - } - return 0; -} diff --git a/e2fsprogs/ext2fs/closefs.c b/e2fsprogs/ext2fs/closefs.c deleted file mode 100644 index 008d5f3..0000000 --- a/e2fsprogs/ext2fs/closefs.c +++ /dev/null @@ -1,381 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * closefs.c --- close an ext2 filesystem - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <time.h> -#include <string.h> - -#include "ext2_fs.h" -#include "ext2fsP.h" - -static int test_root(int a, int b) -{ - if (a == 0) - return 1; - while (1) { - if (a == 1) - return 1; - if (a % b) - return 0; - a = a / b; - } -} - -int ext2fs_bg_has_super(ext2_filsys fs, int group_block) -{ - if (!(fs->super->s_feature_ro_compat & - EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) - return 1; - - if (test_root(group_block, 3) || (test_root(group_block, 5)) || - test_root(group_block, 7)) - return 1; - - return 0; -} - -int ext2fs_super_and_bgd_loc(ext2_filsys fs, - dgrp_t group, - blk_t *ret_super_blk, - blk_t *ret_old_desc_blk, - blk_t *ret_new_desc_blk, - int *ret_meta_bg) -{ - blk_t group_block, super_blk = 0, old_desc_blk = 0, new_desc_blk = 0; - unsigned int meta_bg, meta_bg_size; - int numblocks, has_super; - int old_desc_blocks; - - group_block = fs->super->s_first_data_block + - (group * fs->super->s_blocks_per_group); - - if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) - old_desc_blocks = fs->super->s_first_meta_bg; - else - old_desc_blocks = - fs->desc_blocks + fs->super->s_reserved_gdt_blocks; - - if (group == fs->group_desc_count-1) { - numblocks = (fs->super->s_blocks_count - - fs->super->s_first_data_block) % - fs->super->s_blocks_per_group; - if (!numblocks) - numblocks = fs->super->s_blocks_per_group; - } else - numblocks = fs->super->s_blocks_per_group; - - has_super = ext2fs_bg_has_super(fs, group); - - if (has_super) { - super_blk = group_block; - numblocks--; - } - meta_bg_size = (fs->blocksize / sizeof (struct ext2_group_desc)); - meta_bg = group / meta_bg_size; - - if (!(fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) || - (meta_bg < fs->super->s_first_meta_bg)) { - if (has_super) { - old_desc_blk = group_block + 1; - numblocks -= old_desc_blocks; - } - } else { - if (((group % meta_bg_size) == 0) || - ((group % meta_bg_size) == 1) || - ((group % meta_bg_size) == (meta_bg_size-1))) { - if (has_super) - has_super = 1; - new_desc_blk = group_block + has_super; - numblocks--; - } - } - - numblocks -= 2 + fs->inode_blocks_per_group; - - if (ret_super_blk) - *ret_super_blk = super_blk; - if (ret_old_desc_blk) - *ret_old_desc_blk = old_desc_blk; - if (ret_new_desc_blk) - *ret_new_desc_blk = new_desc_blk; - if (ret_meta_bg) - *ret_meta_bg = meta_bg; - return numblocks; -} - - -/* - * This function forces out the primary superblock. We need to only - * write out those fields which we have changed, since if the - * filesystem is mounted, it may have changed some of the other - * fields. - * - * It takes as input a superblock which has already been byte swapped - * (if necessary). - * - */ -static errcode_t write_primary_superblock(ext2_filsys fs, - struct ext2_super_block *super) -{ - __u16 *old_super, *new_super; - int check_idx, write_idx, size; - errcode_t retval; - - if (!fs->io->manager->write_byte || !fs->orig_super) { - io_channel_set_blksize(fs->io, SUPERBLOCK_OFFSET); - retval = io_channel_write_blk(fs->io, 1, -SUPERBLOCK_SIZE, - super); - io_channel_set_blksize(fs->io, fs->blocksize); - return retval; - } - - old_super = (__u16 *) fs->orig_super; - new_super = (__u16 *) super; - - for (check_idx = 0; check_idx < SUPERBLOCK_SIZE/2; check_idx++) { - if (old_super[check_idx] == new_super[check_idx]) - continue; - write_idx = check_idx; - for (check_idx++; check_idx < SUPERBLOCK_SIZE/2; check_idx++) - if (old_super[check_idx] == new_super[check_idx]) - break; - size = 2 * (check_idx - write_idx); - retval = io_channel_write_byte(fs->io, - SUPERBLOCK_OFFSET + (2 * write_idx), size, - new_super + write_idx); - if (retval) - return retval; - } - memcpy(fs->orig_super, super, SUPERBLOCK_SIZE); - return 0; -} - - -/* - * Updates the revision to EXT2_DYNAMIC_REV - */ -void ext2fs_update_dynamic_rev(ext2_filsys fs) -{ - struct ext2_super_block *sb = fs->super; - - if (sb->s_rev_level > EXT2_GOOD_OLD_REV) - return; - - sb->s_rev_level = EXT2_DYNAMIC_REV; - sb->s_first_ino = EXT2_GOOD_OLD_FIRST_INO; - sb->s_inode_size = EXT2_GOOD_OLD_INODE_SIZE; - /* s_uuid is handled by e2fsck already */ - /* other fields should be left alone */ -} - -static errcode_t write_backup_super(ext2_filsys fs, dgrp_t group, - blk_t group_block, - struct ext2_super_block *super_shadow) -{ - dgrp_t sgrp = group; - - if (sgrp > ((1 << 16) - 1)) - sgrp = (1 << 16) - 1; -#if BB_BIG_ENDIAN - if (fs->flags & EXT2_FLAG_SWAP_BYTES) - super_shadow->s_block_group_nr = ext2fs_swab16(sgrp); - else -#endif - fs->super->s_block_group_nr = sgrp; - - return io_channel_write_blk(fs->io, group_block, -SUPERBLOCK_SIZE, - super_shadow); -} - - -errcode_t ext2fs_flush(ext2_filsys fs) -{ - dgrp_t i; - blk_t group_block; - errcode_t retval; - unsigned long fs_state; - struct ext2_super_block *super_shadow = 0; - struct ext2_group_desc *group_shadow = 0; - char *group_ptr; - int old_desc_blocks; -#if BB_BIG_ENDIAN - dgrp_t j; - struct ext2_group_desc *s, *t; -#endif - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - fs_state = fs->super->s_state; - - fs->super->s_wtime = time(NULL); - fs->super->s_block_group_nr = 0; -#if BB_BIG_ENDIAN - if (fs->flags & EXT2_FLAG_SWAP_BYTES) { - retval = EXT2_ET_NO_MEMORY; - retval = ext2fs_get_mem(SUPERBLOCK_SIZE, &super_shadow); - if (retval) - goto errout; - retval = ext2fs_get_mem((size_t)(fs->blocksize * - fs->desc_blocks), - &group_shadow); - if (retval) - goto errout; - memset(group_shadow, 0, (size_t) fs->blocksize * - fs->desc_blocks); - - /* swap the group descriptors */ - for (j=0, s=fs->group_desc, t=group_shadow; - j < fs->group_desc_count; j++, t++, s++) { - *t = *s; - ext2fs_swap_group_desc(t); - } - } else { - super_shadow = fs->super; - group_shadow = fs->group_desc; - } -#else - super_shadow = fs->super; - group_shadow = fs->group_desc; -#endif - - /* - * If this is an external journal device, don't write out the - * block group descriptors or any of the backup superblocks - */ - if (fs->super->s_feature_incompat & - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) - goto write_primary_superblock_only; - - /* - * Set the state of the FS to be non-valid. (The state has - * already been backed up earlier, and will be restored after - * we write out the backup superblocks.) - */ - fs->super->s_state &= ~EXT2_VALID_FS; -#if BB_BIG_ENDIAN - if (fs->flags & EXT2_FLAG_SWAP_BYTES) { - *super_shadow = *fs->super; - ext2fs_swap_super(super_shadow); - } -#endif - - /* - * Write out the master group descriptors, and the backup - * superblocks and group descriptors. - */ - group_block = fs->super->s_first_data_block; - group_ptr = (char *) group_shadow; - if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) - old_desc_blocks = fs->super->s_first_meta_bg; - else - old_desc_blocks = fs->desc_blocks; - - for (i = 0; i < fs->group_desc_count; i++) { - blk_t super_blk, old_desc_blk, new_desc_blk; - int meta_bg; - - ext2fs_super_and_bgd_loc(fs, i, &super_blk, &old_desc_blk, - &new_desc_blk, &meta_bg); - - if (!(fs->flags & EXT2_FLAG_MASTER_SB_ONLY) &&i && super_blk) { - retval = write_backup_super(fs, i, super_blk, - super_shadow); - if (retval) - goto errout; - } - if (fs->flags & EXT2_FLAG_SUPER_ONLY) - continue; - if ((old_desc_blk) && - (!(fs->flags & EXT2_FLAG_MASTER_SB_ONLY) || (i == 0))) { - retval = io_channel_write_blk(fs->io, - old_desc_blk, old_desc_blocks, group_ptr); - if (retval) - goto errout; - } - if (new_desc_blk) { - retval = io_channel_write_blk(fs->io, new_desc_blk, - 1, group_ptr + (meta_bg*fs->blocksize)); - if (retval) - goto errout; - } - } - fs->super->s_block_group_nr = 0; - fs->super->s_state = fs_state; -#if BB_BIG_ENDIAN - if (fs->flags & EXT2_FLAG_SWAP_BYTES) { - *super_shadow = *fs->super; - ext2fs_swap_super(super_shadow); - } -#endif - - /* - * If the write_bitmaps() function is present, call it to - * flush the bitmaps. This is done this way so that a simple - * program that doesn't mess with the bitmaps doesn't need to - * drag in the bitmaps.c code. - */ - if (fs->write_bitmaps) { - retval = fs->write_bitmaps(fs); - if (retval) - goto errout; - } - -write_primary_superblock_only: - /* - * Write out master superblock. This has to be done - * separately, since it is located at a fixed location - * (SUPERBLOCK_OFFSET). We flush all other pending changes - * out to disk first, just to avoid a race condition with an - * insy-tinsy window.... - */ - retval = io_channel_flush(fs->io); - retval = write_primary_superblock(fs, super_shadow); - if (retval) - goto errout; - - fs->flags &= ~EXT2_FLAG_DIRTY; - - retval = io_channel_flush(fs->io); -errout: - fs->super->s_state = fs_state; - if (fs->flags & EXT2_FLAG_SWAP_BYTES) { - if (super_shadow) - ext2fs_free_mem(&super_shadow); - if (group_shadow) - ext2fs_free_mem(&group_shadow); - } - return retval; -} - -errcode_t ext2fs_close(ext2_filsys fs) -{ - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (fs->flags & EXT2_FLAG_DIRTY) { - retval = ext2fs_flush(fs); - if (retval) - return retval; - } - if (fs->write_bitmaps) { - retval = fs->write_bitmaps(fs); - if (retval) - return retval; - } - ext2fs_free(fs); - return 0; -} - diff --git a/e2fsprogs/ext2fs/cmp_bitmaps.c b/e2fsprogs/ext2fs/cmp_bitmaps.c deleted file mode 100644 index 05b8eb8..0000000 --- a/e2fsprogs/ext2fs/cmp_bitmaps.c +++ /dev/null @@ -1,73 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * cmp_bitmaps.c --- routines to compare inode and block bitmaps. - * - * Copyright (C) 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1, - ext2fs_block_bitmap bm2) -{ - blk_t i; - - EXT2_CHECK_MAGIC(bm1, EXT2_ET_MAGIC_BLOCK_BITMAP); - EXT2_CHECK_MAGIC(bm2, EXT2_ET_MAGIC_BLOCK_BITMAP); - - if ((bm1->start != bm2->start) || - (bm1->end != bm2->end) || - (memcmp(bm1->bitmap, bm2->bitmap, - (size_t) (bm1->end - bm1->start)/8))) - return EXT2_ET_NEQ_BLOCK_BITMAP; - - for (i = bm1->end - ((bm1->end - bm1->start) % 8); i <= bm1->end; i++) - if (ext2fs_fast_test_block_bitmap(bm1, i) != - ext2fs_fast_test_block_bitmap(bm2, i)) - return EXT2_ET_NEQ_BLOCK_BITMAP; - - return 0; -} - -errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1, - ext2fs_inode_bitmap bm2) -{ - ext2_ino_t i; - - EXT2_CHECK_MAGIC(bm1, EXT2_ET_MAGIC_INODE_BITMAP); - EXT2_CHECK_MAGIC(bm2, EXT2_ET_MAGIC_INODE_BITMAP); - - if ((bm1->start != bm2->start) || - (bm1->end != bm2->end) || - (memcmp(bm1->bitmap, bm2->bitmap, - (size_t) (bm1->end - bm1->start)/8))) - return EXT2_ET_NEQ_INODE_BITMAP; - - for (i = bm1->end - ((bm1->end - bm1->start) % 8); i <= bm1->end; i++) - if (ext2fs_fast_test_inode_bitmap(bm1, i) != - ext2fs_fast_test_inode_bitmap(bm2, i)) - return EXT2_ET_NEQ_INODE_BITMAP; - - return 0; -} - diff --git a/e2fsprogs/ext2fs/dblist.c b/e2fsprogs/ext2fs/dblist.c deleted file mode 100644 index 06ff6d8..0000000 --- a/e2fsprogs/ext2fs/dblist.c +++ /dev/null @@ -1,260 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * dblist.c -- directory block list functions - * - * Copyright 1997 by Theodore Ts'o - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - * - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <string.h> -#include <time.h> - -#include "ext2_fs.h" -#include "ext2fsP.h" - -static int dir_block_cmp(const void *a, const void *b); - -/* - * Returns the number of directories in the filesystem as reported by - * the group descriptors. Of course, the group descriptors could be - * wrong! - */ -errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs) -{ - dgrp_t i; - ext2_ino_t num_dirs, max_dirs; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - num_dirs = 0; - max_dirs = fs->super->s_inodes_per_group; - for (i = 0; i < fs->group_desc_count; i++) { - if (fs->group_desc[i].bg_used_dirs_count > max_dirs) - num_dirs += max_dirs / 8; - else - num_dirs += fs->group_desc[i].bg_used_dirs_count; - } - if (num_dirs > fs->super->s_inodes_count) - num_dirs = fs->super->s_inodes_count; - - *ret_num_dirs = num_dirs; - - return 0; -} - -/* - * helper function for making a new directory block list (for - * initialize and copy). - */ -static errcode_t make_dblist(ext2_filsys fs, ext2_ino_t size, ext2_ino_t count, - struct ext2_db_entry *list, - ext2_dblist *ret_dblist) -{ - ext2_dblist dblist; - errcode_t retval; - size_t len; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if ((ret_dblist == 0) && fs->dblist && - (fs->dblist->magic == EXT2_ET_MAGIC_DBLIST)) - return 0; - - retval = ext2fs_get_mem(sizeof(struct ext2_struct_dblist), &dblist); - if (retval) - return retval; - memset(dblist, 0, sizeof(struct ext2_struct_dblist)); - - dblist->magic = EXT2_ET_MAGIC_DBLIST; - dblist->fs = fs; - if (size) - dblist->size = size; - else { - retval = ext2fs_get_num_dirs(fs, &dblist->size); - if (retval) - goto cleanup; - dblist->size = (dblist->size * 2) + 12; - } - len = (size_t) sizeof(struct ext2_db_entry) * dblist->size; - dblist->count = count; - retval = ext2fs_get_mem(len, &dblist->list); - if (retval) - goto cleanup; - - if (list) - memcpy(dblist->list, list, len); - else - memset(dblist->list, 0, len); - if (ret_dblist) - *ret_dblist = dblist; - else - fs->dblist = dblist; - return 0; -cleanup: - ext2fs_free_mem(&dblist); - return retval; -} - -/* - * Initialize a directory block list - */ -errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist) -{ - ext2_dblist dblist; - errcode_t retval; - - retval = make_dblist(fs, 0, 0, 0, &dblist); - if (retval) - return retval; - - dblist->sorted = 1; - if (ret_dblist) - *ret_dblist = dblist; - else - fs->dblist = dblist; - - return 0; -} - -/* - * Copy a directory block list - */ -errcode_t ext2fs_copy_dblist(ext2_dblist src, ext2_dblist *dest) -{ - ext2_dblist dblist; - errcode_t retval; - - retval = make_dblist(src->fs, src->size, src->count, src->list, - &dblist); - if (retval) - return retval; - dblist->sorted = src->sorted; - *dest = dblist; - return 0; -} - -/* - * Close a directory block list - * - * (moved to closefs.c) - */ - - -/* - * Add a directory block to the directory block list - */ -errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino, blk_t blk, - int blockcnt) -{ - struct ext2_db_entry *new_entry; - errcode_t retval; - unsigned long old_size; - - EXT2_CHECK_MAGIC(dblist, EXT2_ET_MAGIC_DBLIST); - - if (dblist->count >= dblist->size) { - old_size = dblist->size * sizeof(struct ext2_db_entry); - dblist->size += 100; - retval = ext2fs_resize_mem(old_size, (size_t) dblist->size * - sizeof(struct ext2_db_entry), - &dblist->list); - if (retval) { - dblist->size -= 100; - return retval; - } - } - new_entry = dblist->list + ( (int) dblist->count++); - new_entry->blk = blk; - new_entry->ino = ino; - new_entry->blockcnt = blockcnt; - - dblist->sorted = 0; - - return 0; -} - -/* - * Change the directory block to the directory block list - */ -errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino, blk_t blk, - int blockcnt) -{ - dgrp_t i; - - EXT2_CHECK_MAGIC(dblist, EXT2_ET_MAGIC_DBLIST); - - for (i=0; i < dblist->count; i++) { - if ((dblist->list[i].ino != ino) || - (dblist->list[i].blockcnt != blockcnt)) - continue; - dblist->list[i].blk = blk; - dblist->sorted = 0; - return 0; - } - return EXT2_ET_DB_NOT_FOUND; -} - -void ext2fs_dblist_sort(ext2_dblist dblist, - int (*sortfunc)(const void *, - const void *)) -{ - if (!sortfunc) - sortfunc = dir_block_cmp; - qsort(dblist->list, (size_t) dblist->count, - sizeof(struct ext2_db_entry), sortfunc); - dblist->sorted = 1; -} - -/* - * This function iterates over the directory block list - */ -errcode_t ext2fs_dblist_iterate(ext2_dblist dblist, - int (*func)(ext2_filsys fs, - struct ext2_db_entry *db_info, - void *priv_data), - void *priv_data) -{ - ext2_ino_t i; - int ret; - - EXT2_CHECK_MAGIC(dblist, EXT2_ET_MAGIC_DBLIST); - - if (!dblist->sorted) - ext2fs_dblist_sort(dblist, 0); - for (i=0; i < dblist->count; i++) { - ret = (*func)(dblist->fs, &dblist->list[(int)i], priv_data); - if (ret & DBLIST_ABORT) - return 0; - } - return 0; -} - -static int dir_block_cmp(const void *a, const void *b) -{ - const struct ext2_db_entry *db_a = - (const struct ext2_db_entry *) a; - const struct ext2_db_entry *db_b = - (const struct ext2_db_entry *) b; - - if (db_a->blk != db_b->blk) - return (int) (db_a->blk - db_b->blk); - - if (db_a->ino != db_b->ino) - return (int) (db_a->ino - db_b->ino); - - return (int) (db_a->blockcnt - db_b->blockcnt); -} - -int ext2fs_dblist_count(ext2_dblist dblist) -{ - return (int) dblist->count; -} diff --git a/e2fsprogs/ext2fs/dblist_dir.c b/e2fsprogs/ext2fs/dblist_dir.c deleted file mode 100644 index b239204..0000000 --- a/e2fsprogs/ext2fs/dblist_dir.c +++ /dev/null @@ -1,76 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * dblist_dir.c --- iterate by directory entry - * - * Copyright 1997 by Theodore Ts'o - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - * - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <string.h> -#include <time.h> - -#include "ext2_fs.h" -#include "ext2fsP.h" - -static int db_dir_proc(ext2_filsys fs, struct ext2_db_entry *db_info, - void *priv_data); - -errcode_t ext2fs_dblist_dir_iterate(ext2_dblist dblist, - int flags, - char *block_buf, - int (*func)(ext2_ino_t dir, - int entry, - struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data), - void *priv_data) -{ - errcode_t retval; - struct dir_context ctx; - - EXT2_CHECK_MAGIC(dblist, EXT2_ET_MAGIC_DBLIST); - - ctx.dir = 0; - ctx.flags = flags; - if (block_buf) - ctx.buf = block_buf; - else { - retval = ext2fs_get_mem(dblist->fs->blocksize, &ctx.buf); - if (retval) - return retval; - } - ctx.func = func; - ctx.priv_data = priv_data; - ctx.errcode = 0; - - retval = ext2fs_dblist_iterate(dblist, db_dir_proc, &ctx); - - if (!block_buf) - ext2fs_free_mem(&ctx.buf); - if (retval) - return retval; - return ctx.errcode; -} - -static int db_dir_proc(ext2_filsys fs, struct ext2_db_entry *db_info, - void *priv_data) -{ - struct dir_context *ctx; - - ctx = (struct dir_context *) priv_data; - ctx->dir = db_info->ino; - - return ext2fs_process_dir_block(fs, &db_info->blk, - db_info->blockcnt, 0, 0, priv_data); -} diff --git a/e2fsprogs/ext2fs/dir_iterate.c b/e2fsprogs/ext2fs/dir_iterate.c deleted file mode 100644 index b7d8735..0000000 --- a/e2fsprogs/ext2fs/dir_iterate.c +++ /dev/null @@ -1,220 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * dir_iterate.c --- ext2fs directory iteration operations - * - * Copyright (C) 1993, 1994, 1994, 1995, 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif - -#include "ext2_fs.h" -#include "ext2fsP.h" - -/* - * This function checks to see whether or not a potential deleted - * directory entry looks valid. What we do is check the deleted entry - * and each successive entry to make sure that they all look valid and - * that the last deleted entry ends at the beginning of the next - * undeleted entry. Returns 1 if the deleted entry looks valid, zero - * if not valid. - */ -static int ext2fs_validate_entry(char *buf, int offset, int final_offset) -{ - struct ext2_dir_entry *dirent; - - while (offset < final_offset) { - dirent = (struct ext2_dir_entry *)(buf + offset); - offset += dirent->rec_len; - if ((dirent->rec_len < 8) || - ((dirent->rec_len % 4) != 0) || - (((dirent->name_len & 0xFF)+8) > dirent->rec_len)) - return 0; - } - return (offset == final_offset); -} - -errcode_t ext2fs_dir_iterate2(ext2_filsys fs, - ext2_ino_t dir, - int flags, - char *block_buf, - int (*func)(ext2_ino_t dir, - int entry, - struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data), - void *priv_data) -{ - struct dir_context ctx; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - retval = ext2fs_check_directory(fs, dir); - if (retval) - return retval; - - ctx.dir = dir; - ctx.flags = flags; - if (block_buf) - ctx.buf = block_buf; - else { - retval = ext2fs_get_mem(fs->blocksize, &ctx.buf); - if (retval) - return retval; - } - ctx.func = func; - ctx.priv_data = priv_data; - ctx.errcode = 0; - retval = ext2fs_block_iterate2(fs, dir, 0, 0, - ext2fs_process_dir_block, &ctx); - if (!block_buf) - ext2fs_free_mem(&ctx.buf); - if (retval) - return retval; - return ctx.errcode; -} - -struct xlate { - int (*func)(struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data); - void *real_private; -}; - -static int xlate_func(ext2_ino_t dir EXT2FS_ATTR((unused)), - int entry EXT2FS_ATTR((unused)), - struct ext2_dir_entry *dirent, int offset, - int blocksize, char *buf, void *priv_data) -{ - struct xlate *xl = (struct xlate *) priv_data; - - return (*xl->func)(dirent, offset, blocksize, buf, xl->real_private); -} - -extern errcode_t ext2fs_dir_iterate(ext2_filsys fs, - ext2_ino_t dir, - int flags, - char *block_buf, - int (*func)(struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data), - void *priv_data) -{ - struct xlate xl; - - xl.real_private = priv_data; - xl.func = func; - - return ext2fs_dir_iterate2(fs, dir, flags, block_buf, - xlate_func, &xl); -} - - -/* - * Helper function which is private to this module. Used by - * ext2fs_dir_iterate() and ext2fs_dblist_dir_iterate() - */ -int ext2fs_process_dir_block(ext2_filsys fs, - blk_t *blocknr, - e2_blkcnt_t blockcnt, - blk_t ref_block EXT2FS_ATTR((unused)), - int ref_offset EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct dir_context *ctx = (struct dir_context *) priv_data; - unsigned int offset = 0; - unsigned int next_real_entry = 0; - int ret = 0; - int changed = 0; - int do_abort = 0; - int entry, size; - struct ext2_dir_entry *dirent; - - if (blockcnt < 0) - return 0; - - entry = blockcnt ? DIRENT_OTHER_FILE : DIRENT_DOT_FILE; - - ctx->errcode = ext2fs_read_dir_block(fs, *blocknr, ctx->buf); - if (ctx->errcode) - return BLOCK_ABORT; - - while (offset < fs->blocksize) { - dirent = (struct ext2_dir_entry *) (ctx->buf + offset); - if (((offset + dirent->rec_len) > fs->blocksize) || - (dirent->rec_len < 8) || - ((dirent->rec_len % 4) != 0) || - (((dirent->name_len & 0xFF)+8) > dirent->rec_len)) { - ctx->errcode = EXT2_ET_DIR_CORRUPTED; - return BLOCK_ABORT; - } - if (!dirent->inode && - !(ctx->flags & DIRENT_FLAG_INCLUDE_EMPTY)) - goto next; - - ret = (ctx->func)(ctx->dir, - (next_real_entry > offset) ? - DIRENT_DELETED_FILE : entry, - dirent, offset, - fs->blocksize, ctx->buf, - ctx->priv_data); - if (entry < DIRENT_OTHER_FILE) - entry++; - - if (ret & DIRENT_CHANGED) - changed++; - if (ret & DIRENT_ABORT) { - do_abort++; - break; - } -next: - if (next_real_entry == offset) - next_real_entry += dirent->rec_len; - - if (ctx->flags & DIRENT_FLAG_INCLUDE_REMOVED) { - size = ((dirent->name_len & 0xFF) + 11) & ~3; - - if (dirent->rec_len != size) { - unsigned int final_offset; - - final_offset = offset + dirent->rec_len; - offset += size; - while (offset < final_offset && - !ext2fs_validate_entry(ctx->buf, - offset, - final_offset)) - offset += 4; - continue; - } - } - offset += dirent->rec_len; - } - - if (changed) { - ctx->errcode = ext2fs_write_dir_block(fs, *blocknr, ctx->buf); - if (ctx->errcode) - return BLOCK_ABORT; - } - if (do_abort) - return BLOCK_ABORT; - return 0; -} - diff --git a/e2fsprogs/ext2fs/dirblock.c b/e2fsprogs/ext2fs/dirblock.c deleted file mode 100644 index 5d3f6a1..0000000 --- a/e2fsprogs/ext2fs/dirblock.c +++ /dev/null @@ -1,133 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * dirblock.c --- directory block routines. - * - * Copyright (C) 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <string.h> -#include <time.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -errcode_t ext2fs_read_dir_block2(ext2_filsys fs, blk_t block, - void *buf, int flags EXT2FS_ATTR((unused))) -{ - errcode_t retval; - char *p, *end; - struct ext2_dir_entry *dirent; - unsigned int name_len, rec_len; -#if BB_BIG_ENDIAN - unsigned int do_swap; -#endif - - retval = io_channel_read_blk(fs->io, block, 1, buf); - if (retval) - return retval; -#if BB_BIG_ENDIAN - do_swap = (fs->flags & (EXT2_FLAG_SWAP_BYTES| - EXT2_FLAG_SWAP_BYTES_READ)) != 0; -#endif - p = (char *) buf; - end = (char *) buf + fs->blocksize; - while (p < end-8) { - dirent = (struct ext2_dir_entry *) p; -#if BB_BIG_ENDIAN - if (do_swap) { - dirent->inode = ext2fs_swab32(dirent->inode); - dirent->rec_len = ext2fs_swab16(dirent->rec_len); - dirent->name_len = ext2fs_swab16(dirent->name_len); - } -#endif - name_len = dirent->name_len; -#ifdef WORDS_BIGENDIAN - if (flags & EXT2_DIRBLOCK_V2_STRUCT) - dirent->name_len = ext2fs_swab16(dirent->name_len); -#endif - rec_len = dirent->rec_len; - if ((rec_len < 8) || (rec_len % 4)) { - rec_len = 8; - retval = EXT2_ET_DIR_CORRUPTED; - } - if (((name_len & 0xFF) + 8) > dirent->rec_len) - retval = EXT2_ET_DIR_CORRUPTED; - p += rec_len; - } - return retval; -} - -errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block, - void *buf) -{ - return ext2fs_read_dir_block2(fs, block, buf, 0); -} - - -errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block, - void *inbuf, int flags EXT2FS_ATTR((unused))) -{ -#if BB_BIG_ENDIAN - int do_swap = 0; - errcode_t retval; - char *p, *end; - char *buf = 0; - struct ext2_dir_entry *dirent; - - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE)) - do_swap = 1; - -#ifndef WORDS_BIGENDIAN - if (!do_swap) - return io_channel_write_blk(fs->io, block, 1, (char *) inbuf); -#endif - - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - memcpy(buf, inbuf, fs->blocksize); - p = buf; - end = buf + fs->blocksize; - while (p < end) { - dirent = (struct ext2_dir_entry *) p; - if ((dirent->rec_len < 8) || - (dirent->rec_len % 4)) { - ext2fs_free_mem(&buf); - return EXT2_ET_DIR_CORRUPTED; - } - p += dirent->rec_len; - if (do_swap) { - dirent->inode = ext2fs_swab32(dirent->inode); - dirent->rec_len = ext2fs_swab16(dirent->rec_len); - dirent->name_len = ext2fs_swab16(dirent->name_len); - } -#ifdef WORDS_BIGENDIAN - if (flags & EXT2_DIRBLOCK_V2_STRUCT) - dirent->name_len = ext2fs_swab16(dirent->name_len); -#endif - } - retval = io_channel_write_blk(fs->io, block, 1, buf); - ext2fs_free_mem(&buf); - return retval; -#else - return io_channel_write_blk(fs->io, block, 1, (char *) inbuf); -#endif -} - - -errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block, - void *inbuf) -{ - return ext2fs_write_dir_block2(fs, block, inbuf, 0); -} - diff --git a/e2fsprogs/ext2fs/dirhash.c b/e2fsprogs/ext2fs/dirhash.c deleted file mode 100644 index ab3243f..0000000 --- a/e2fsprogs/ext2fs/dirhash.c +++ /dev/null @@ -1,234 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * dirhash.c -- Calculate the hash of a directory entry - * - * Copyright (c) 2001 Daniel Phillips - * - * Copyright (c) 2002 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * Keyed 32-bit hash function using TEA in a Davis-Meyer function - * H0 = Key - * Hi = E Mi(Hi-1) + Hi-1 - * - * (see Applied Cryptography, 2nd edition, p448). - * - * Jeremy Fitzhardinge <jeremy@zip.com.au> 1998 - * - * This code is made available under the terms of the GPL - */ -#define DELTA 0x9E3779B9 - -static void TEA_transform(__u32 buf[4], __u32 const in[]) -{ - __u32 sum = 0; - __u32 b0 = buf[0], b1 = buf[1]; - __u32 a = in[0], b = in[1], c = in[2], d = in[3]; - int n = 16; - - do { - sum += DELTA; - b0 += ((b1 << 4)+a) ^ (b1+sum) ^ ((b1 >> 5)+b); - b1 += ((b0 << 4)+c) ^ (b0+sum) ^ ((b0 >> 5)+d); - } while(--n); - - buf[0] += b0; - buf[1] += b1; -} - -/* F, G and H are basic MD4 functions: selection, majority, parity */ -#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z)))) -#define G(x, y, z) (((x) & (y)) + (((x) ^ (y)) & (z))) -#define H(x, y, z) ((x) ^ (y) ^ (z)) - -/* - * The generic round function. The application is so specific that - * we don't bother protecting all the arguments with parens, as is generally - * good macro practice, in favor of extra legibility. - * Rotation is separate from addition to prevent recomputation - */ -#define ROUND(f, a, b, c, d, x, s) \ - (a += f(b, c, d) + x, a = (a << s) | (a >> (32-s))) -#define K1 0 -#define K2 013240474631UL -#define K3 015666365641UL - -/* - * Basic cut-down MD4 transform. Returns only 32 bits of result. - */ -static void halfMD4Transform (__u32 buf[4], __u32 const in[]) -{ - __u32 a = buf[0], b = buf[1], c = buf[2], d = buf[3]; - - /* Round 1 */ - ROUND(F, a, b, c, d, in[0] + K1, 3); - ROUND(F, d, a, b, c, in[1] + K1, 7); - ROUND(F, c, d, a, b, in[2] + K1, 11); - ROUND(F, b, c, d, a, in[3] + K1, 19); - ROUND(F, a, b, c, d, in[4] + K1, 3); - ROUND(F, d, a, b, c, in[5] + K1, 7); - ROUND(F, c, d, a, b, in[6] + K1, 11); - ROUND(F, b, c, d, a, in[7] + K1, 19); - - /* Round 2 */ - ROUND(G, a, b, c, d, in[1] + K2, 3); - ROUND(G, d, a, b, c, in[3] + K2, 5); - ROUND(G, c, d, a, b, in[5] + K2, 9); - ROUND(G, b, c, d, a, in[7] + K2, 13); - ROUND(G, a, b, c, d, in[0] + K2, 3); - ROUND(G, d, a, b, c, in[2] + K2, 5); - ROUND(G, c, d, a, b, in[4] + K2, 9); - ROUND(G, b, c, d, a, in[6] + K2, 13); - - /* Round 3 */ - ROUND(H, a, b, c, d, in[3] + K3, 3); - ROUND(H, d, a, b, c, in[7] + K3, 9); - ROUND(H, c, d, a, b, in[2] + K3, 11); - ROUND(H, b, c, d, a, in[6] + K3, 15); - ROUND(H, a, b, c, d, in[1] + K3, 3); - ROUND(H, d, a, b, c, in[5] + K3, 9); - ROUND(H, c, d, a, b, in[0] + K3, 11); - ROUND(H, b, c, d, a, in[4] + K3, 15); - - buf[0] += a; - buf[1] += b; - buf[2] += c; - buf[3] += d; -} - -#undef ROUND -#undef F -#undef G -#undef H -#undef K1 -#undef K2 -#undef K3 - -/* The old legacy hash */ -static ext2_dirhash_t dx_hack_hash (const char *name, int len) -{ - __u32 hash0 = 0x12a3fe2d, hash1 = 0x37abe8f9; - while (len--) { - __u32 hash = hash1 + (hash0 ^ (*name++ * 7152373)); - - if (hash & 0x80000000) hash -= 0x7fffffff; - hash1 = hash0; - hash0 = hash; - } - return (hash0 << 1); -} - -static void str2hashbuf(const char *msg, int len, __u32 *buf, int num) -{ - __u32 pad, val; - int i; - - pad = (__u32)len | ((__u32)len << 8); - pad |= pad << 16; - - val = pad; - if (len > num*4) - len = num * 4; - for (i=0; i < len; i++) { - if ((i % 4) == 0) - val = pad; - val = msg[i] + (val << 8); - if ((i % 4) == 3) { - *buf++ = val; - val = pad; - num--; - } - } - if (--num >= 0) - *buf++ = val; - while (--num >= 0) - *buf++ = pad; -} - -/* - * Returns the hash of a filename. If len is 0 and name is NULL, then - * this function can be used to test whether or not a hash version is - * supported. - * - * The seed is an 4 longword (32 bits) "secret" which can be used to - * uniquify a hash. If the seed is all zero's, then some default seed - * may be used. - * - * A particular hash version specifies whether or not the seed is - * represented, and whether or not the returned hash is 32 bits or 64 - * bits. 32 bit hashes will return 0 for the minor hash. - */ -errcode_t ext2fs_dirhash(int version, const char *name, int len, - const __u32 *seed, - ext2_dirhash_t *ret_hash, - ext2_dirhash_t *ret_minor_hash) -{ - __u32 hash; - __u32 minor_hash = 0; - const char *p; - int i; - __u32 in[8], buf[4]; - - /* Initialize the default seed for the hash checksum functions */ - buf[0] = 0x67452301; - buf[1] = 0xefcdab89; - buf[2] = 0x98badcfe; - buf[3] = 0x10325476; - - /* Check to see if the seed is all zero's */ - if (seed) { - for (i=0; i < 4; i++) { - if (seed[i]) - break; - } - if (i < 4) - memcpy(buf, seed, sizeof(buf)); - } - - switch (version) { - case EXT2_HASH_LEGACY: - hash = dx_hack_hash(name, len); - break; - case EXT2_HASH_HALF_MD4: - p = name; - while (len > 0) { - str2hashbuf(p, len, in, 8); - halfMD4Transform(buf, in); - len -= 32; - p += 32; - } - minor_hash = buf[2]; - hash = buf[1]; - break; - case EXT2_HASH_TEA: - p = name; - while (len > 0) { - str2hashbuf(p, len, in, 4); - TEA_transform(buf, in); - len -= 16; - p += 16; - } - hash = buf[0]; - minor_hash = buf[1]; - break; - default: - *ret_hash = 0; - return EXT2_ET_DIRHASH_UNSUPP; - } - *ret_hash = hash & ~1; - if (ret_minor_hash) - *ret_minor_hash = minor_hash; - return 0; -} diff --git a/e2fsprogs/ext2fs/dupfs.c b/e2fsprogs/ext2fs/dupfs.c deleted file mode 100644 index 203c29f..0000000 --- a/e2fsprogs/ext2fs/dupfs.c +++ /dev/null @@ -1,97 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * dupfs.c --- duplicate a ext2 filesystem handle - * - * Copyright (C) 1997, 1998, 2001, 2003, 2005 by Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <time.h> -#include <string.h> - -#include "ext2_fs.h" -#include "ext2fsP.h" - -errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest) -{ - ext2_filsys fs; - errcode_t retval; - - EXT2_CHECK_MAGIC(src, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - retval = ext2fs_get_mem(sizeof(struct struct_ext2_filsys), &fs); - if (retval) - return retval; - - *fs = *src; - fs->device_name = 0; - fs->super = 0; - fs->orig_super = 0; - fs->group_desc = 0; - fs->inode_map = 0; - fs->block_map = 0; - fs->badblocks = 0; - fs->dblist = 0; - - io_channel_bumpcount(fs->io); - if (fs->icache) - fs->icache->refcount++; - - retval = ext2fs_get_mem(strlen(src->device_name)+1, &fs->device_name); - if (retval) - goto errout; - strcpy(fs->device_name, src->device_name); - - retval = ext2fs_get_mem(SUPERBLOCK_SIZE, &fs->super); - if (retval) - goto errout; - memcpy(fs->super, src->super, SUPERBLOCK_SIZE); - - retval = ext2fs_get_mem(SUPERBLOCK_SIZE, &fs->orig_super); - if (retval) - goto errout; - memcpy(fs->orig_super, src->orig_super, SUPERBLOCK_SIZE); - - retval = ext2fs_get_mem((size_t) fs->desc_blocks * fs->blocksize, - &fs->group_desc); - if (retval) - goto errout; - memcpy(fs->group_desc, src->group_desc, - (size_t) fs->desc_blocks * fs->blocksize); - - if (src->inode_map) { - retval = ext2fs_copy_bitmap(src->inode_map, &fs->inode_map); - if (retval) - goto errout; - } - if (src->block_map) { - retval = ext2fs_copy_bitmap(src->block_map, &fs->block_map); - if (retval) - goto errout; - } - if (src->badblocks) { - retval = ext2fs_badblocks_copy(src->badblocks, &fs->badblocks); - if (retval) - goto errout; - } - if (src->dblist) { - retval = ext2fs_copy_dblist(src->dblist, &fs->dblist); - if (retval) - goto errout; - } - *dest = fs; - return 0; -errout: - ext2fs_free(fs); - return retval; - -} - diff --git a/e2fsprogs/ext2fs/e2image.h b/e2fsprogs/ext2fs/e2image.h deleted file mode 100644 index 8d38ecc..0000000 --- a/e2fsprogs/ext2fs/e2image.h +++ /dev/null @@ -1,52 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * e2image.h --- header file describing the ext2 image format - * - * Copyright (C) 2000 Theodore Ts'o. - * - * Note: this uses the POSIX IO interfaces, unlike most of the other - * functions in this library. So sue me. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - - -struct ext2_image_hdr { - __u32 magic_number; /* This must be EXT2_ET_MAGIC_E2IMAGE */ - char magic_descriptor[16]; /* "Ext2 Image 1.0", w/ null padding */ - char fs_hostname[64];/* Hostname of machine of image */ - char fs_netaddr[32]; /* Network address */ - __u32 fs_netaddr_type;/* 0 = IPV4, 1 = IPV6, etc. */ - __u32 fs_device; /* Device number of image */ - char fs_device_name[64]; /* Device name */ - char fs_uuid[16]; /* UUID of filesystem */ - __u32 fs_blocksize; /* Block size of the filesystem */ - __u32 fs_reserved[8]; - - __u32 image_device; /* Device number of image file */ - __u32 image_inode; /* Inode number of image file */ - __u32 image_time; /* Time of image creation */ - __u32 image_reserved[8]; - - __u32 offset_super; /* Byte offset of the sb and descriptors */ - __u32 offset_inode; /* Byte offset of the inode table */ - __u32 offset_inodemap; /* Byte offset of the inode bitmaps */ - __u32 offset_blockmap; /* Byte offset of the inode bitmaps */ - __u32 offset_reserved[8]; -}; - - - - - - - - - - - - - diff --git a/e2fsprogs/ext2fs/expanddir.c b/e2fsprogs/ext2fs/expanddir.c deleted file mode 100644 index 8a29ae5..0000000 --- a/e2fsprogs/ext2fs/expanddir.c +++ /dev/null @@ -1,127 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * expand.c --- expand an ext2fs directory - * - * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct expand_dir_struct { - int done; - int newblocks; - errcode_t err; -}; - -static int expand_dir_proc(ext2_filsys fs, - blk_t *blocknr, - e2_blkcnt_t blockcnt, - blk_t ref_block EXT2FS_ATTR((unused)), - int ref_offset EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct expand_dir_struct *es = (struct expand_dir_struct *) priv_data; - blk_t new_blk; - static blk_t last_blk = 0; - char *block; - errcode_t retval; - - if (*blocknr) { - last_blk = *blocknr; - return 0; - } - retval = ext2fs_new_block(fs, last_blk, 0, &new_blk); - if (retval) { - es->err = retval; - return BLOCK_ABORT; - } - if (blockcnt > 0) { - retval = ext2fs_new_dir_block(fs, 0, 0, &block); - if (retval) { - es->err = retval; - return BLOCK_ABORT; - } - es->done = 1; - retval = ext2fs_write_dir_block(fs, new_blk, block); - } else { - retval = ext2fs_get_mem(fs->blocksize, &block); - if (retval) { - es->err = retval; - return BLOCK_ABORT; - } - memset(block, 0, fs->blocksize); - retval = io_channel_write_blk(fs->io, new_blk, 1, block); - } - if (retval) { - es->err = retval; - return BLOCK_ABORT; - } - ext2fs_free_mem(&block); - *blocknr = new_blk; - ext2fs_block_alloc_stats(fs, new_blk, +1); - es->newblocks++; - - if (es->done) - return (BLOCK_CHANGED | BLOCK_ABORT); - else - return BLOCK_CHANGED; -} - -errcode_t ext2fs_expand_dir(ext2_filsys fs, ext2_ino_t dir) -{ - errcode_t retval; - struct expand_dir_struct es; - struct ext2_inode inode; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!(fs->flags & EXT2_FLAG_RW)) - return EXT2_ET_RO_FILSYS; - - if (!fs->block_map) - return EXT2_ET_NO_BLOCK_BITMAP; - - retval = ext2fs_check_directory(fs, dir); - if (retval) - return retval; - - es.done = 0; - es.err = 0; - es.newblocks = 0; - - retval = ext2fs_block_iterate2(fs, dir, BLOCK_FLAG_APPEND, - 0, expand_dir_proc, &es); - - if (es.err) - return es.err; - if (!es.done) - return EXT2_ET_EXPAND_DIR_ERR; - - /* - * Update the size and block count fields in the inode. - */ - retval = ext2fs_read_inode(fs, dir, &inode); - if (retval) - return retval; - - inode.i_size += fs->blocksize; - inode.i_blocks += (fs->blocksize / 512) * es.newblocks; - - retval = ext2fs_write_inode(fs, dir, &inode); - if (retval) - return retval; - - return 0; -} diff --git a/e2fsprogs/ext2fs/ext2_err.h b/e2fsprogs/ext2fs/ext2_err.h deleted file mode 100644 index ead3528..0000000 --- a/e2fsprogs/ext2fs/ext2_err.h +++ /dev/null @@ -1,116 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * ext2_err.h: - * This file is automatically generated; please do not edit it. - */ - -#define EXT2_ET_BASE (2133571328L) -#define EXT2_ET_MAGIC_EXT2FS_FILSYS (2133571329L) -#define EXT2_ET_MAGIC_BADBLOCKS_LIST (2133571330L) -#define EXT2_ET_MAGIC_BADBLOCKS_ITERATE (2133571331L) -#define EXT2_ET_MAGIC_INODE_SCAN (2133571332L) -#define EXT2_ET_MAGIC_IO_CHANNEL (2133571333L) -#define EXT2_ET_MAGIC_UNIX_IO_CHANNEL (2133571334L) -#define EXT2_ET_MAGIC_IO_MANAGER (2133571335L) -#define EXT2_ET_MAGIC_BLOCK_BITMAP (2133571336L) -#define EXT2_ET_MAGIC_INODE_BITMAP (2133571337L) -#define EXT2_ET_MAGIC_GENERIC_BITMAP (2133571338L) -#define EXT2_ET_MAGIC_TEST_IO_CHANNEL (2133571339L) -#define EXT2_ET_MAGIC_DBLIST (2133571340L) -#define EXT2_ET_MAGIC_ICOUNT (2133571341L) -#define EXT2_ET_MAGIC_PQ_IO_CHANNEL (2133571342L) -#define EXT2_ET_MAGIC_EXT2_FILE (2133571343L) -#define EXT2_ET_MAGIC_E2IMAGE (2133571344L) -#define EXT2_ET_MAGIC_INODE_IO_CHANNEL (2133571345L) -#define EXT2_ET_MAGIC_RESERVED_9 (2133571346L) -#define EXT2_ET_BAD_MAGIC (2133571347L) -#define EXT2_ET_REV_TOO_HIGH (2133571348L) -#define EXT2_ET_RO_FILSYS (2133571349L) -#define EXT2_ET_GDESC_READ (2133571350L) -#define EXT2_ET_GDESC_WRITE (2133571351L) -#define EXT2_ET_GDESC_BAD_BLOCK_MAP (2133571352L) -#define EXT2_ET_GDESC_BAD_INODE_MAP (2133571353L) -#define EXT2_ET_GDESC_BAD_INODE_TABLE (2133571354L) -#define EXT2_ET_INODE_BITMAP_WRITE (2133571355L) -#define EXT2_ET_INODE_BITMAP_READ (2133571356L) -#define EXT2_ET_BLOCK_BITMAP_WRITE (2133571357L) -#define EXT2_ET_BLOCK_BITMAP_READ (2133571358L) -#define EXT2_ET_INODE_TABLE_WRITE (2133571359L) -#define EXT2_ET_INODE_TABLE_READ (2133571360L) -#define EXT2_ET_NEXT_INODE_READ (2133571361L) -#define EXT2_ET_UNEXPECTED_BLOCK_SIZE (2133571362L) -#define EXT2_ET_DIR_CORRUPTED (2133571363L) -#define EXT2_ET_SHORT_READ (2133571364L) -#define EXT2_ET_SHORT_WRITE (2133571365L) -#define EXT2_ET_DIR_NO_SPACE (2133571366L) -#define EXT2_ET_NO_INODE_BITMAP (2133571367L) -#define EXT2_ET_NO_BLOCK_BITMAP (2133571368L) -#define EXT2_ET_BAD_INODE_NUM (2133571369L) -#define EXT2_ET_BAD_BLOCK_NUM (2133571370L) -#define EXT2_ET_EXPAND_DIR_ERR (2133571371L) -#define EXT2_ET_TOOSMALL (2133571372L) -#define EXT2_ET_BAD_BLOCK_MARK (2133571373L) -#define EXT2_ET_BAD_BLOCK_UNMARK (2133571374L) -#define EXT2_ET_BAD_BLOCK_TEST (2133571375L) -#define EXT2_ET_BAD_INODE_MARK (2133571376L) -#define EXT2_ET_BAD_INODE_UNMARK (2133571377L) -#define EXT2_ET_BAD_INODE_TEST (2133571378L) -#define EXT2_ET_FUDGE_BLOCK_BITMAP_END (2133571379L) -#define EXT2_ET_FUDGE_INODE_BITMAP_END (2133571380L) -#define EXT2_ET_BAD_IND_BLOCK (2133571381L) -#define EXT2_ET_BAD_DIND_BLOCK (2133571382L) -#define EXT2_ET_BAD_TIND_BLOCK (2133571383L) -#define EXT2_ET_NEQ_BLOCK_BITMAP (2133571384L) -#define EXT2_ET_NEQ_INODE_BITMAP (2133571385L) -#define EXT2_ET_BAD_DEVICE_NAME (2133571386L) -#define EXT2_ET_MISSING_INODE_TABLE (2133571387L) -#define EXT2_ET_CORRUPT_SUPERBLOCK (2133571388L) -#define EXT2_ET_BAD_GENERIC_MARK (2133571389L) -#define EXT2_ET_BAD_GENERIC_UNMARK (2133571390L) -#define EXT2_ET_BAD_GENERIC_TEST (2133571391L) -#define EXT2_ET_SYMLINK_LOOP (2133571392L) -#define EXT2_ET_CALLBACK_NOTHANDLED (2133571393L) -#define EXT2_ET_BAD_BLOCK_IN_INODE_TABLE (2133571394L) -#define EXT2_ET_UNSUPP_FEATURE (2133571395L) -#define EXT2_ET_RO_UNSUPP_FEATURE (2133571396L) -#define EXT2_ET_LLSEEK_FAILED (2133571397L) -#define EXT2_ET_NO_MEMORY (2133571398L) -#define EXT2_ET_INVALID_ARGUMENT (2133571399L) -#define EXT2_ET_BLOCK_ALLOC_FAIL (2133571400L) -#define EXT2_ET_INODE_ALLOC_FAIL (2133571401L) -#define EXT2_ET_NO_DIRECTORY (2133571402L) -#define EXT2_ET_TOO_MANY_REFS (2133571403L) -#define EXT2_ET_FILE_NOT_FOUND (2133571404L) -#define EXT2_ET_FILE_RO (2133571405L) -#define EXT2_ET_DB_NOT_FOUND (2133571406L) -#define EXT2_ET_DIR_EXISTS (2133571407L) -#define EXT2_ET_UNIMPLEMENTED (2133571408L) -#define EXT2_ET_CANCEL_REQUESTED (2133571409L) -#define EXT2_ET_FILE_TOO_BIG (2133571410L) -#define EXT2_ET_JOURNAL_NOT_BLOCK (2133571411L) -#define EXT2_ET_NO_JOURNAL_SB (2133571412L) -#define EXT2_ET_JOURNAL_TOO_SMALL (2133571413L) -#define EXT2_ET_JOURNAL_UNSUPP_VERSION (2133571414L) -#define EXT2_ET_LOAD_EXT_JOURNAL (2133571415L) -#define EXT2_ET_NO_JOURNAL (2133571416L) -#define EXT2_ET_DIRHASH_UNSUPP (2133571417L) -#define EXT2_ET_BAD_EA_BLOCK_NUM (2133571418L) -#define EXT2_ET_TOO_MANY_INODES (2133571419L) -#define EXT2_ET_NOT_IMAGE_FILE (2133571420L) -#define EXT2_ET_RES_GDT_BLOCKS (2133571421L) -#define EXT2_ET_RESIZE_INODE_CORRUPT (2133571422L) -#define EXT2_ET_SET_BMAP_NO_IND (2133571423L) - -#if 0 -extern const struct error_table et_ext2_error_table; -extern void initialize_ext2_error_table(void); - -/* For compatibility with Heimdal */ -extern void initialize_ext2_error_table_r(struct et_list **list); - -#define ERROR_TABLE_BASE_ext2 (2133571328L) - -/* for compatibility with older versions... */ -#define init_ext2_err_tbl initialize_ext2_error_table -#define ext2_err_base ERROR_TABLE_BASE_ext2 -#endif diff --git a/e2fsprogs/ext2fs/ext2_ext_attr.h b/e2fsprogs/ext2fs/ext2_ext_attr.h deleted file mode 100644 index cc91bb8..0000000 --- a/e2fsprogs/ext2fs/ext2_ext_attr.h +++ /dev/null @@ -1,53 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - File: linux/ext2_ext_attr.h - - On-disk format of extended attributes for the ext2 filesystem. - - (C) 2000 Andreas Gruenbacher, <a.gruenbacher@computer.org> -*/ - -/* Magic value in attribute blocks */ -#define EXT2_EXT_ATTR_MAGIC_v1 0xEA010000 -#define EXT2_EXT_ATTR_MAGIC 0xEA020000 - -/* Maximum number of references to one attribute block */ -#define EXT2_EXT_ATTR_REFCOUNT_MAX 1024 - -struct ext2_ext_attr_header { - __u32 h_magic; /* magic number for identification */ - __u32 h_refcount; /* reference count */ - __u32 h_blocks; /* number of disk blocks used */ - __u32 h_hash; /* hash value of all attributes */ - __u32 h_reserved[4]; /* zero right now */ -}; - -struct ext2_ext_attr_entry { - __u8 e_name_len; /* length of name */ - __u8 e_name_index; /* attribute name index */ - __u16 e_value_offs; /* offset in disk block of value */ - __u32 e_value_block; /* disk block attribute is stored on (n/i) */ - __u32 e_value_size; /* size of attribute value */ - __u32 e_hash; /* hash value of name and value */ -}; - -#define EXT2_EXT_ATTR_PAD_BITS 2 -#define EXT2_EXT_ATTR_PAD (1<<EXT2_EXT_ATTR_PAD_BITS) -#define EXT2_EXT_ATTR_ROUND (EXT2_EXT_ATTR_PAD-1) -#define EXT2_EXT_ATTR_LEN(name_len) \ - (((name_len) + EXT2_EXT_ATTR_ROUND + \ - sizeof(struct ext2_ext_attr_entry)) & ~EXT2_EXT_ATTR_ROUND) -#define EXT2_EXT_ATTR_NEXT(entry) \ - ( (struct ext2_ext_attr_entry *)( \ - (char *)(entry) + EXT2_EXT_ATTR_LEN((entry)->e_name_len)) ) -#define EXT2_EXT_ATTR_SIZE(size) \ - (((size) + EXT2_EXT_ATTR_ROUND) & ~EXT2_EXT_ATTR_ROUND) -#define EXT2_EXT_IS_LAST_ENTRY(entry) (*((__u32 *)(entry)) == 0UL) -#define EXT2_EXT_ATTR_NAME(entry) \ - (((char *) (entry)) + sizeof(struct ext2_ext_attr_entry)) -#define EXT2_XATTR_LEN(name_len) \ - (((name_len) + EXT2_EXT_ATTR_ROUND + \ - sizeof(struct ext2_xattr_entry)) & ~EXT2_EXT_ATTR_ROUND) -#define EXT2_XATTR_SIZE(size) \ - (((size) + EXT2_EXT_ATTR_ROUND) & ~EXT2_EXT_ATTR_ROUND) - diff --git a/e2fsprogs/ext2fs/ext2_fs.h b/e2fsprogs/ext2fs/ext2_fs.h deleted file mode 100644 index cb49d7a..0000000 --- a/e2fsprogs/ext2fs/ext2_fs.h +++ /dev/null @@ -1,570 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * linux/include/linux/ext2_fs.h - * - * Copyright (C) 1992, 1993, 1994, 1995 - * Remy Card (card@masi.ibp.fr) - * Laboratoire MASI - Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) - * - * from - * - * linux/include/linux/minix_fs.h - * - * Copyright (C) 1991, 1992 Linus Torvalds - */ - -#ifndef _LINUX_EXT2_FS_H -#define _LINUX_EXT2_FS_H - -#include "ext2_types.h" /* Changed from linux/types.h */ - -/* - * Special inode numbers - */ -#define EXT2_BAD_INO 1 /* Bad blocks inode */ -#define EXT2_ROOT_INO 2 /* Root inode */ -#define EXT2_ACL_IDX_INO 3 /* ACL inode */ -#define EXT2_ACL_DATA_INO 4 /* ACL inode */ -#define EXT2_BOOT_LOADER_INO 5 /* Boot loader inode */ -#define EXT2_UNDEL_DIR_INO 6 /* Undelete directory inode */ -#define EXT2_RESIZE_INO 7 /* Reserved group descriptors inode */ -#define EXT2_JOURNAL_INO 8 /* Journal inode */ - -/* First non-reserved inode for old ext2 filesystems */ -#define EXT2_GOOD_OLD_FIRST_INO 11 - -/* - * The second extended file system magic number - */ -#define EXT2_SUPER_MAGIC 0xEF53 - -/* Assume that user mode programs are passing in an ext2fs superblock, not - * a kernel struct super_block. This will allow us to call the feature-test - * macros from user land. */ -#define EXT2_SB(sb) (sb) - -/* - * Maximal count of links to a file - */ -#define EXT2_LINK_MAX 32000 - -/* - * Macro-instructions used to manage several block sizes - */ -#define EXT2_MIN_BLOCK_LOG_SIZE 10 /* 1024 */ -#define EXT2_MAX_BLOCK_LOG_SIZE 16 /* 65536 */ -#define EXT2_MIN_BLOCK_SIZE (1 << EXT2_MIN_BLOCK_LOG_SIZE) -#define EXT2_MAX_BLOCK_SIZE (1 << EXT2_MAX_BLOCK_LOG_SIZE) -#define EXT2_BLOCK_SIZE(s) (EXT2_MIN_BLOCK_SIZE << (s)->s_log_block_size) -#define EXT2_BLOCK_SIZE_BITS(s) ((s)->s_log_block_size + 10) -#define EXT2_INODE_SIZE(s) (((s)->s_rev_level == EXT2_GOOD_OLD_REV) ? \ - EXT2_GOOD_OLD_INODE_SIZE : (s)->s_inode_size) -#define EXT2_FIRST_INO(s) (((s)->s_rev_level == EXT2_GOOD_OLD_REV) ? \ - EXT2_GOOD_OLD_FIRST_INO : (s)->s_first_ino) -#define EXT2_ADDR_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof(__u32)) - -/* - * Macro-instructions used to manage fragments - */ -#define EXT2_MIN_FRAG_SIZE EXT2_MIN_BLOCK_SIZE -#define EXT2_MAX_FRAG_SIZE EXT2_MAX_BLOCK_SIZE -#define EXT2_MIN_FRAG_LOG_SIZE EXT2_MIN_BLOCK_LOG_SIZE -# define EXT2_FRAG_SIZE(s) (EXT2_MIN_FRAG_SIZE << (s)->s_log_frag_size) -# define EXT2_FRAGS_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / EXT2_FRAG_SIZE(s)) - -/* - * ACL structures - */ -struct ext2_acl_header /* Header of Access Control Lists */ -{ - __u32 aclh_size; - __u32 aclh_file_count; - __u32 aclh_acle_count; - __u32 aclh_first_acle; -}; - -struct ext2_acl_entry /* Access Control List Entry */ -{ - __u32 acle_size; - __u16 acle_perms; /* Access permissions */ - __u16 acle_type; /* Type of entry */ - __u16 acle_tag; /* User or group identity */ - __u16 acle_pad1; - __u32 acle_next; /* Pointer on next entry for the */ - /* same inode or on next free entry */ -}; - -/* - * Structure of a blocks group descriptor - */ -struct ext2_group_desc -{ - __u32 bg_block_bitmap; /* Blocks bitmap block */ - __u32 bg_inode_bitmap; /* Inodes bitmap block */ - __u32 bg_inode_table; /* Inodes table block */ - __u16 bg_free_blocks_count; /* Free blocks count */ - __u16 bg_free_inodes_count; /* Free inodes count */ - __u16 bg_used_dirs_count; /* Directories count */ - __u16 bg_pad; - __u32 bg_reserved[3]; -}; - -/* - * Data structures used by the directory indexing feature - * - * Note: all of the multibyte integer fields are little endian. - */ - -/* - * Note: dx_root_info is laid out so that if it should somehow get - * overlaid by a dirent the two low bits of the hash version will be - * zero. Therefore, the hash version mod 4 should never be 0. - * Sincerely, the paranoia department. - */ -struct ext2_dx_root_info { - __u32 reserved_zero; - __u8 hash_version; /* 0 now, 1 at release */ - __u8 info_length; /* 8 */ - __u8 indirect_levels; - __u8 unused_flags; -}; - -#define EXT2_HASH_LEGACY 0 -#define EXT2_HASH_HALF_MD4 1 -#define EXT2_HASH_TEA 2 - -#define EXT2_HASH_FLAG_INCOMPAT 0x1 - -struct ext2_dx_entry { - __u32 hash; - __u32 block; -}; - -struct ext2_dx_countlimit { - __u16 limit; - __u16 count; -}; - - -/* - * Macro-instructions used to manage group descriptors - */ -#define EXT2_BLOCKS_PER_GROUP(s) (EXT2_SB(s)->s_blocks_per_group) -#define EXT2_INODES_PER_GROUP(s) (EXT2_SB(s)->s_inodes_per_group) -#define EXT2_INODES_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s)/EXT2_INODE_SIZE(s)) -/* limits imposed by 16-bit value gd_free_{blocks,inode}_count */ -#define EXT2_MAX_BLOCKS_PER_GROUP(s) ((1 << 16) - 8) -#define EXT2_MAX_INODES_PER_GROUP(s) ((1 << 16) - EXT2_INODES_PER_BLOCK(s)) -#define EXT2_DESC_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof (struct ext2_group_desc)) - -/* - * Constants relative to the data blocks - */ -#define EXT2_NDIR_BLOCKS 12 -#define EXT2_IND_BLOCK EXT2_NDIR_BLOCKS -#define EXT2_DIND_BLOCK (EXT2_IND_BLOCK + 1) -#define EXT2_TIND_BLOCK (EXT2_DIND_BLOCK + 1) -#define EXT2_N_BLOCKS (EXT2_TIND_BLOCK + 1) - -/* - * Inode flags - */ -#define EXT2_SECRM_FL 0x00000001 /* Secure deletion */ -#define EXT2_UNRM_FL 0x00000002 /* Undelete */ -#define EXT2_COMPR_FL 0x00000004 /* Compress file */ -#define EXT2_SYNC_FL 0x00000008 /* Synchronous updates */ -#define EXT2_IMMUTABLE_FL 0x00000010 /* Immutable file */ -#define EXT2_APPEND_FL 0x00000020 /* writes to file may only append */ -#define EXT2_NODUMP_FL 0x00000040 /* do not dump file */ -#define EXT2_NOATIME_FL 0x00000080 /* do not update atime */ -/* Reserved for compression usage... */ -#define EXT2_DIRTY_FL 0x00000100 -#define EXT2_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */ -#define EXT2_NOCOMPR_FL 0x00000400 /* Access raw compressed data */ -#define EXT2_ECOMPR_FL 0x00000800 /* Compression error */ -/* End compression flags --- maybe not all used */ -#define EXT2_BTREE_FL 0x00001000 /* btree format dir */ -#define EXT2_INDEX_FL 0x00001000 /* hash-indexed directory */ -#define EXT2_IMAGIC_FL 0x00002000 -#define EXT3_JOURNAL_DATA_FL 0x00004000 /* file data should be journaled */ -#define EXT2_NOTAIL_FL 0x00008000 /* file tail should not be merged */ -#define EXT2_DIRSYNC_FL 0x00010000 /* Synchronous directory modifications */ -#define EXT2_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/ -#define EXT3_EXTENTS_FL 0x00080000 /* Inode uses extents */ -#define EXT2_RESERVED_FL 0x80000000 /* reserved for ext2 lib */ - -#define EXT2_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */ -#define EXT2_FL_USER_MODIFIABLE 0x000080FF /* User modifiable flags */ - -/* - * ioctl commands - */ -#define EXT2_IOC_GETFLAGS _IOR('f', 1, long) -#define EXT2_IOC_SETFLAGS _IOW('f', 2, long) -#define EXT2_IOC_GETVERSION _IOR('v', 1, long) -#define EXT2_IOC_SETVERSION _IOW('v', 2, long) - -/* - * Structure of an inode on the disk - */ -struct ext2_inode { - __u16 i_mode; /* File mode */ - __u16 i_uid; /* Low 16 bits of Owner Uid */ - __u32 i_size; /* Size in bytes */ - __u32 i_atime; /* Access time */ - __u32 i_ctime; /* Creation time */ - __u32 i_mtime; /* Modification time */ - __u32 i_dtime; /* Deletion Time */ - __u16 i_gid; /* Low 16 bits of Group Id */ - __u16 i_links_count; /* Links count */ - __u32 i_blocks; /* Blocks count */ - __u32 i_flags; /* File flags */ - union { - struct { - __u32 l_i_reserved1; - } linux1; - struct { - __u32 h_i_translator; - } hurd1; - struct { - __u32 m_i_reserved1; - } masix1; - } osd1; /* OS dependent 1 */ - __u32 i_block[EXT2_N_BLOCKS];/* Pointers to blocks */ - __u32 i_generation; /* File version (for NFS) */ - __u32 i_file_acl; /* File ACL */ - __u32 i_dir_acl; /* Directory ACL */ - __u32 i_faddr; /* Fragment address */ - union { - struct { - __u8 l_i_frag; /* Fragment number */ - __u8 l_i_fsize; /* Fragment size */ - __u16 i_pad1; - __u16 l_i_uid_high; /* these 2 fields */ - __u16 l_i_gid_high; /* were reserved2[0] */ - __u32 l_i_reserved2; - } linux2; - struct { - __u8 h_i_frag; /* Fragment number */ - __u8 h_i_fsize; /* Fragment size */ - __u16 h_i_mode_high; - __u16 h_i_uid_high; - __u16 h_i_gid_high; - __u32 h_i_author; - } hurd2; - struct { - __u8 m_i_frag; /* Fragment number */ - __u8 m_i_fsize; /* Fragment size */ - __u16 m_pad1; - __u32 m_i_reserved2[2]; - } masix2; - } osd2; /* OS dependent 2 */ -}; - -/* - * Permanent part of an large inode on the disk - */ -struct ext2_inode_large { - __u16 i_mode; /* File mode */ - __u16 i_uid; /* Low 16 bits of Owner Uid */ - __u32 i_size; /* Size in bytes */ - __u32 i_atime; /* Access time */ - __u32 i_ctime; /* Creation time */ - __u32 i_mtime; /* Modification time */ - __u32 i_dtime; /* Deletion Time */ - __u16 i_gid; /* Low 16 bits of Group Id */ - __u16 i_links_count; /* Links count */ - __u32 i_blocks; /* Blocks count */ - __u32 i_flags; /* File flags */ - union { - struct { - __u32 l_i_reserved1; - } linux1; - struct { - __u32 h_i_translator; - } hurd1; - struct { - __u32 m_i_reserved1; - } masix1; - } osd1; /* OS dependent 1 */ - __u32 i_block[EXT2_N_BLOCKS];/* Pointers to blocks */ - __u32 i_generation; /* File version (for NFS) */ - __u32 i_file_acl; /* File ACL */ - __u32 i_dir_acl; /* Directory ACL */ - __u32 i_faddr; /* Fragment address */ - union { - struct { - __u8 l_i_frag; /* Fragment number */ - __u8 l_i_fsize; /* Fragment size */ - __u16 i_pad1; - __u16 l_i_uid_high; /* these 2 fields */ - __u16 l_i_gid_high; /* were reserved2[0] */ - __u32 l_i_reserved2; - } linux2; - struct { - __u8 h_i_frag; /* Fragment number */ - __u8 h_i_fsize; /* Fragment size */ - __u16 h_i_mode_high; - __u16 h_i_uid_high; - __u16 h_i_gid_high; - __u32 h_i_author; - } hurd2; - struct { - __u8 m_i_frag; /* Fragment number */ - __u8 m_i_fsize; /* Fragment size */ - __u16 m_pad1; - __u32 m_i_reserved2[2]; - } masix2; - } osd2; /* OS dependent 2 */ - __u16 i_extra_isize; - __u16 i_pad1; -}; - -#define i_size_high i_dir_acl - -/* - * File system states - */ -#define EXT2_VALID_FS 0x0001 /* Unmounted cleanly */ -#define EXT2_ERROR_FS 0x0002 /* Errors detected */ - -/* - * Mount flags - */ -#define EXT2_MOUNT_CHECK 0x0001 /* Do mount-time checks */ -#define EXT2_MOUNT_GRPID 0x0004 /* Create files with directory's group */ -#define EXT2_MOUNT_DEBUG 0x0008 /* Some debugging messages */ -#define EXT2_MOUNT_ERRORS_CONT 0x0010 /* Continue on errors */ -#define EXT2_MOUNT_ERRORS_RO 0x0020 /* Remount fs ro on errors */ -#define EXT2_MOUNT_ERRORS_PANIC 0x0040 /* Panic on errors */ -#define EXT2_MOUNT_MINIX_DF 0x0080 /* Mimics the Minix statfs */ -#define EXT2_MOUNT_NO_UID32 0x0200 /* Disable 32-bit UIDs */ - -#define clear_opt(o, opt) o &= ~EXT2_MOUNT_##opt -#define set_opt(o, opt) o |= EXT2_MOUNT_##opt -#define test_opt(sb, opt) (EXT2_SB(sb)->s_mount_opt & \ - EXT2_MOUNT_##opt) -/* - * Maximal mount counts between two filesystem checks - */ -#define EXT2_DFL_MAX_MNT_COUNT 20 /* Allow 20 mounts */ -#define EXT2_DFL_CHECKINTERVAL 0 /* Don't use interval check */ - -/* - * Behaviour when detecting errors - */ -#define EXT2_ERRORS_CONTINUE 1 /* Continue execution */ -#define EXT2_ERRORS_RO 2 /* Remount fs read-only */ -#define EXT2_ERRORS_PANIC 3 /* Panic */ -#define EXT2_ERRORS_DEFAULT EXT2_ERRORS_CONTINUE - -/* - * Structure of the super block - */ -struct ext2_super_block { - __u32 s_inodes_count; /* Inodes count */ - __u32 s_blocks_count; /* Blocks count */ - __u32 s_r_blocks_count; /* Reserved blocks count */ - __u32 s_free_blocks_count; /* Free blocks count */ - __u32 s_free_inodes_count; /* Free inodes count */ - __u32 s_first_data_block; /* First Data Block */ - __u32 s_log_block_size; /* Block size */ - __s32 s_log_frag_size; /* Fragment size */ - __u32 s_blocks_per_group; /* # Blocks per group */ - __u32 s_frags_per_group; /* # Fragments per group */ - __u32 s_inodes_per_group; /* # Inodes per group */ - __u32 s_mtime; /* Mount time */ - __u32 s_wtime; /* Write time */ - __u16 s_mnt_count; /* Mount count */ - __s16 s_max_mnt_count; /* Maximal mount count */ - __u16 s_magic; /* Magic signature */ - __u16 s_state; /* File system state */ - __u16 s_errors; /* Behaviour when detecting errors */ - __u16 s_minor_rev_level; /* minor revision level */ - __u32 s_lastcheck; /* time of last check */ - __u32 s_checkinterval; /* max. time between checks */ - __u32 s_creator_os; /* OS */ - __u32 s_rev_level; /* Revision level */ - __u16 s_def_resuid; /* Default uid for reserved blocks */ - __u16 s_def_resgid; /* Default gid for reserved blocks */ - /* - * These fields are for EXT2_DYNAMIC_REV superblocks only. - * - * Note: the difference between the compatible feature set and - * the incompatible feature set is that if there is a bit set - * in the incompatible feature set that the kernel doesn't - * know about, it should refuse to mount the filesystem. - * - * e2fsck's requirements are more strict; if it doesn't know - * about a feature in either the compatible or incompatible - * feature set, it must abort and not try to meddle with - * things it doesn't understand... - */ - __u32 s_first_ino; /* First non-reserved inode */ - __u16 s_inode_size; /* size of inode structure */ - __u16 s_block_group_nr; /* block group # of this superblock */ - __u32 s_feature_compat; /* compatible feature set */ - __u32 s_feature_incompat; /* incompatible feature set */ - __u32 s_feature_ro_compat; /* readonly-compatible feature set */ - __u8 s_uuid[16]; /* 128-bit uuid for volume */ - char s_volume_name[16]; /* volume name */ - char s_last_mounted[64]; /* directory where last mounted */ - __u32 s_algorithm_usage_bitmap; /* For compression */ - /* - * Performance hints. Directory preallocation should only - * happen if the EXT2_FEATURE_COMPAT_DIR_PREALLOC flag is on. - */ - __u8 s_prealloc_blocks; /* Nr of blocks to try to preallocate*/ - __u8 s_prealloc_dir_blocks; /* Nr to preallocate for dirs */ - __u16 s_reserved_gdt_blocks; /* Per group table for online growth */ - /* - * Journaling support valid if EXT2_FEATURE_COMPAT_HAS_JOURNAL set. - */ - __u8 s_journal_uuid[16]; /* uuid of journal superblock */ - __u32 s_journal_inum; /* inode number of journal file */ - __u32 s_journal_dev; /* device number of journal file */ - __u32 s_last_orphan; /* start of list of inodes to delete */ - __u32 s_hash_seed[4]; /* HTREE hash seed */ - __u8 s_def_hash_version; /* Default hash version to use */ - __u8 s_jnl_backup_type; /* Default type of journal backup */ - __u16 s_reserved_word_pad; - __u32 s_default_mount_opts; - __u32 s_first_meta_bg; /* First metablock group */ - __u32 s_mkfs_time; /* When the filesystem was created */ - __u32 s_jnl_blocks[17]; /* Backup of the journal inode */ - __u32 s_reserved[172]; /* Padding to the end of the block */ -}; - -/* - * Codes for operating systems - */ -#define EXT2_OS_LINUX 0 -#define EXT2_OS_HURD 1 -#define EXT2_OS_MASIX 2 -#define EXT2_OS_FREEBSD 3 -#define EXT2_OS_LITES 4 - -/* - * Revision levels - */ -#define EXT2_GOOD_OLD_REV 0 /* The good old (original) format */ -#define EXT2_DYNAMIC_REV 1 /* V2 format w/ dynamic inode sizes */ - -#define EXT2_CURRENT_REV EXT2_GOOD_OLD_REV -#define EXT2_MAX_SUPP_REV EXT2_DYNAMIC_REV - -#define EXT2_GOOD_OLD_INODE_SIZE 128 - -/* - * Journal inode backup types - */ -#define EXT3_JNL_BACKUP_BLOCKS 1 - -/* - * Feature set definitions - */ - -#define EXT2_HAS_COMPAT_FEATURE(sb,mask) \ - ( EXT2_SB(sb)->s_feature_compat & (mask) ) -#define EXT2_HAS_RO_COMPAT_FEATURE(sb,mask) \ - ( EXT2_SB(sb)->s_feature_ro_compat & (mask) ) -#define EXT2_HAS_INCOMPAT_FEATURE(sb,mask) \ - ( EXT2_SB(sb)->s_feature_incompat & (mask) ) - -#define EXT2_FEATURE_COMPAT_DIR_PREALLOC 0x0001 -#define EXT2_FEATURE_COMPAT_IMAGIC_INODES 0x0002 -#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004 -#define EXT2_FEATURE_COMPAT_EXT_ATTR 0x0008 -#define EXT2_FEATURE_COMPAT_RESIZE_INODE 0x0010 -#define EXT2_FEATURE_COMPAT_DIR_INDEX 0x0020 - -#define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001 -#define EXT2_FEATURE_RO_COMPAT_LARGE_FILE 0x0002 -/* #define EXT2_FEATURE_RO_COMPAT_BTREE_DIR 0x0004 not used */ - -#define EXT2_FEATURE_INCOMPAT_COMPRESSION 0x0001 -#define EXT2_FEATURE_INCOMPAT_FILETYPE 0x0002 -#define EXT3_FEATURE_INCOMPAT_RECOVER 0x0004 /* Needs recovery */ -#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 /* Journal device */ -#define EXT2_FEATURE_INCOMPAT_META_BG 0x0010 -#define EXT3_FEATURE_INCOMPAT_EXTENTS 0x0040 - - -#define EXT2_FEATURE_COMPAT_SUPP 0 -#define EXT2_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE) -#define EXT2_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \ - EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \ - EXT2_FEATURE_RO_COMPAT_BTREE_DIR) - -/* - * Default values for user and/or group using reserved blocks - */ -#define EXT2_DEF_RESUID 0 -#define EXT2_DEF_RESGID 0 - -/* - * Default mount options - */ -#define EXT2_DEFM_DEBUG 0x0001 -#define EXT2_DEFM_BSDGROUPS 0x0002 -#define EXT2_DEFM_XATTR_USER 0x0004 -#define EXT2_DEFM_ACL 0x0008 -#define EXT2_DEFM_UID16 0x0010 -#define EXT3_DEFM_JMODE 0x0060 -#define EXT3_DEFM_JMODE_DATA 0x0020 -#define EXT3_DEFM_JMODE_ORDERED 0x0040 -#define EXT3_DEFM_JMODE_WBACK 0x0060 - -/* - * Structure of a directory entry - */ -#define EXT2_NAME_LEN 255 - -struct ext2_dir_entry { - __u32 inode; /* Inode number */ - __u16 rec_len; /* Directory entry length */ - __u16 name_len; /* Name length */ - char name[EXT2_NAME_LEN]; /* File name */ -}; - -/* - * The new version of the directory entry. Since EXT2 structures are - * stored in intel byte order, and the name_len field could never be - * bigger than 255 chars, it's safe to reclaim the extra byte for the - * file_type field. - */ -struct ext2_dir_entry_2 { - __u32 inode; /* Inode number */ - __u16 rec_len; /* Directory entry length */ - __u8 name_len; /* Name length */ - __u8 file_type; - char name[EXT2_NAME_LEN]; /* File name */ -}; - -/* - * Ext2 directory file types. Only the low 3 bits are used. The - * other bits are reserved for now. - */ -#define EXT2_FT_UNKNOWN 0 -#define EXT2_FT_REG_FILE 1 -#define EXT2_FT_DIR 2 -#define EXT2_FT_CHRDEV 3 -#define EXT2_FT_BLKDEV 4 -#define EXT2_FT_FIFO 5 -#define EXT2_FT_SOCK 6 -#define EXT2_FT_SYMLINK 7 - -#define EXT2_FT_MAX 8 - -/* - * EXT2_DIR_PAD defines the directory entries boundaries - * - * NOTE: It must be a multiple of 4 - */ -#define EXT2_DIR_PAD 4 -#define EXT2_DIR_ROUND (EXT2_DIR_PAD - 1) -#define EXT2_DIR_REC_LEN(name_len) (((name_len) + 8 + EXT2_DIR_ROUND) & \ - ~EXT2_DIR_ROUND) - -#endif /* _LINUX_EXT2_FS_H */ diff --git a/e2fsprogs/ext2fs/ext2_io.h b/e2fsprogs/ext2fs/ext2_io.h deleted file mode 100644 index e6c9630..0000000 --- a/e2fsprogs/ext2fs/ext2_io.h +++ /dev/null @@ -1,114 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * io.h --- the I/O manager abstraction - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#ifndef _EXT2FS_EXT2_IO_H -#define _EXT2FS_EXT2_IO_H - -/* - * ext2_loff_t is defined here since unix_io.c needs it. - */ -#if defined(__GNUC__) || defined(HAS_LONG_LONG) -typedef long long ext2_loff_t; -#else -typedef long ext2_loff_t; -#endif - -/* llseek.c */ -/* ext2_loff_t ext2fs_llseek (int, ext2_loff_t, int); */ -#ifdef CONFIG_LFS -# define ext2fs_llseek lseek64 -#else -# define ext2fs_llseek lseek -#endif - -typedef struct struct_io_manager *io_manager; -typedef struct struct_io_channel *io_channel; - -#define CHANNEL_FLAGS_WRITETHROUGH 0x01 - -struct struct_io_channel { - errcode_t magic; - io_manager manager; - char *name; - int block_size; - errcode_t (*read_error)(io_channel channel, - unsigned long block, - int count, - void *data, - size_t size, - int actual_bytes_read, - errcode_t error); - errcode_t (*write_error)(io_channel channel, - unsigned long block, - int count, - const void *data, - size_t size, - int actual_bytes_written, - errcode_t error); - int refcount; - int flags; - int reserved[14]; - void *private_data; - void *app_data; -}; - -struct struct_io_manager { - errcode_t magic; - const char *name; - errcode_t (*open)(const char *name, int flags, io_channel *channel); - errcode_t (*close)(io_channel channel); - errcode_t (*set_blksize)(io_channel channel, int blksize); - errcode_t (*read_blk)(io_channel channel, unsigned long block, - int count, void *data); - errcode_t (*write_blk)(io_channel channel, unsigned long block, - int count, const void *data); - errcode_t (*flush)(io_channel channel); - errcode_t (*write_byte)(io_channel channel, unsigned long offset, - int count, const void *data); - errcode_t (*set_option)(io_channel channel, const char *option, - const char *arg); - int reserved[14]; -}; - -#define IO_FLAG_RW 1 - -/* - * Convenience functions.... - */ -#define io_channel_close(c) ((c)->manager->close((c))) -#define io_channel_set_blksize(c,s) ((c)->manager->set_blksize((c),s)) -#define io_channel_read_blk(c,b,n,d) ((c)->manager->read_blk((c),b,n,d)) -#define io_channel_write_blk(c,b,n,d) ((c)->manager->write_blk((c),b,n,d)) -#define io_channel_flush(c) ((c)->manager->flush((c))) -#define io_channel_bumpcount(c) ((c)->refcount++) - -/* io_manager.c */ -extern errcode_t io_channel_set_options(io_channel channel, - const char *options); -extern errcode_t io_channel_write_byte(io_channel channel, - unsigned long offset, - int count, const void *data); - -/* unix_io.c */ -extern io_manager unix_io_manager; - -/* test_io.c */ -extern io_manager test_io_manager, test_io_backing_manager; -extern void (*test_io_cb_read_blk) - (unsigned long block, int count, errcode_t err); -extern void (*test_io_cb_write_blk) - (unsigned long block, int count, errcode_t err); -extern void (*test_io_cb_set_blksize) - (int blksize, errcode_t err); - -#endif /* _EXT2FS_EXT2_IO_H */ - diff --git a/e2fsprogs/ext2fs/ext2_types.h b/e2fsprogs/ext2fs/ext2_types.h deleted file mode 100644 index 2c1196b..0000000 --- a/e2fsprogs/ext2fs/ext2_types.h +++ /dev/null @@ -1,2 +0,0 @@ -/* vi: set sw=4 ts=4: */ -#include <linux/types.h> diff --git a/e2fsprogs/ext2fs/ext2fs.h b/e2fsprogs/ext2fs/ext2fs.h deleted file mode 100644 index 133fb1f..0000000 --- a/e2fsprogs/ext2fs/ext2fs.h +++ /dev/null @@ -1,923 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * ext2fs.h --- ext2fs - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#ifndef _EXT2FS_EXT2FS_H -#define _EXT2FS_EXT2FS_H - - -#define EXT2FS_ATTR(x) - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * Where the master copy of the superblock is located, and how big - * superblocks are supposed to be. We define SUPERBLOCK_SIZE because - * the size of the superblock structure is not necessarily trustworthy - * (some versions have the padding set up so that the superblock is - * 1032 bytes long). - */ -#define SUPERBLOCK_OFFSET 1024 -#define SUPERBLOCK_SIZE 1024 - -/* - * The last ext2fs revision level that this version of the library is - * able to support. - */ -#define EXT2_LIB_CURRENT_REV EXT2_DYNAMIC_REV - -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include <stdio.h> -#include <stdlib.h> - -#include "ext2_types.h" -#include "ext2_fs.h" - -typedef __u32 ext2_ino_t; -typedef __u32 blk_t; -typedef __u32 dgrp_t; -typedef __u32 ext2_off_t; -typedef __s64 e2_blkcnt_t; -typedef __u32 ext2_dirhash_t; - -#include "ext2_io.h" -#include "ext2_err.h" - -typedef struct struct_ext2_filsys *ext2_filsys; - -struct ext2fs_struct_generic_bitmap { - errcode_t magic; - ext2_filsys fs; - __u32 start, end; - __u32 real_end; - char * description; - char * bitmap; - errcode_t base_error_code; - __u32 reserved[7]; -}; - -#define EXT2FS_MARK_ERROR 0 -#define EXT2FS_UNMARK_ERROR 1 -#define EXT2FS_TEST_ERROR 2 - -typedef struct ext2fs_struct_generic_bitmap *ext2fs_generic_bitmap; -typedef struct ext2fs_struct_generic_bitmap *ext2fs_inode_bitmap; -typedef struct ext2fs_struct_generic_bitmap *ext2fs_block_bitmap; - -#define EXT2_FIRST_INODE(s) EXT2_FIRST_INO(s) - -/* - * badblocks list definitions - */ - -typedef struct ext2_struct_u32_list *ext2_badblocks_list; -typedef struct ext2_struct_u32_iterate *ext2_badblocks_iterate; - -typedef struct ext2_struct_u32_list *ext2_u32_list; -typedef struct ext2_struct_u32_iterate *ext2_u32_iterate; - -/* old */ -typedef struct ext2_struct_u32_list *badblocks_list; -typedef struct ext2_struct_u32_iterate *badblocks_iterate; - -#define BADBLOCKS_FLAG_DIRTY 1 - -/* - * ext2_dblist structure and abstractions (see dblist.c) - */ -struct ext2_db_entry { - ext2_ino_t ino; - blk_t blk; - int blockcnt; -}; - -typedef struct ext2_struct_dblist *ext2_dblist; - -#define DBLIST_ABORT 1 - -/* - * ext2_fileio definitions - */ - -#define EXT2_FILE_WRITE 0x0001 -#define EXT2_FILE_CREATE 0x0002 - -#define EXT2_FILE_MASK 0x00FF - -#define EXT2_FILE_BUF_DIRTY 0x4000 -#define EXT2_FILE_BUF_VALID 0x2000 - -typedef struct ext2_file *ext2_file_t; - -#define EXT2_SEEK_SET 0 -#define EXT2_SEEK_CUR 1 -#define EXT2_SEEK_END 2 - -/* - * Flags for the ext2_filsys structure and for ext2fs_open() - */ -#define EXT2_FLAG_RW 0x01 -#define EXT2_FLAG_CHANGED 0x02 -#define EXT2_FLAG_DIRTY 0x04 -#define EXT2_FLAG_VALID 0x08 -#define EXT2_FLAG_IB_DIRTY 0x10 -#define EXT2_FLAG_BB_DIRTY 0x20 -#define EXT2_FLAG_SWAP_BYTES 0x40 -#define EXT2_FLAG_SWAP_BYTES_READ 0x80 -#define EXT2_FLAG_SWAP_BYTES_WRITE 0x100 -#define EXT2_FLAG_MASTER_SB_ONLY 0x200 -#define EXT2_FLAG_FORCE 0x400 -#define EXT2_FLAG_SUPER_ONLY 0x800 -#define EXT2_FLAG_JOURNAL_DEV_OK 0x1000 -#define EXT2_FLAG_IMAGE_FILE 0x2000 - -/* - * Special flag in the ext2 inode i_flag field that means that this is - * a new inode. (So that ext2_write_inode() can clear extra fields.) - */ -#define EXT2_NEW_INODE_FL 0x80000000 - -/* - * Flags for mkjournal - * - * EXT2_MKJOURNAL_V1_SUPER Make a (deprecated) V1 journal superblock - */ -#define EXT2_MKJOURNAL_V1_SUPER 0x0000001 - -struct struct_ext2_filsys { - errcode_t magic; - io_channel io; - int flags; - char * device_name; - struct ext2_super_block * super; - unsigned int blocksize; - int fragsize; - dgrp_t group_desc_count; - unsigned long desc_blocks; - struct ext2_group_desc * group_desc; - int inode_blocks_per_group; - ext2fs_inode_bitmap inode_map; - ext2fs_block_bitmap block_map; - errcode_t (*get_blocks)(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); - errcode_t (*check_directory)(ext2_filsys fs, ext2_ino_t ino); - errcode_t (*write_bitmaps)(ext2_filsys fs); - errcode_t (*read_inode)(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode); - errcode_t (*write_inode)(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode); - ext2_badblocks_list badblocks; - ext2_dblist dblist; - __u32 stride; /* for mke2fs */ - struct ext2_super_block * orig_super; - struct ext2_image_hdr * image_header; - __u32 umask; - /* - * Reserved for future expansion - */ - __u32 reserved[8]; - - /* - * Reserved for the use of the calling application. - */ - void * priv_data; - - /* - * Inode cache - */ - struct ext2_inode_cache *icache; - io_channel image_io; -}; - -#include "bitops.h" - -/* - * Return flags for the block iterator functions - */ -#define BLOCK_CHANGED 1 -#define BLOCK_ABORT 2 -#define BLOCK_ERROR 4 - -/* - * Block interate flags - * - * BLOCK_FLAG_APPEND, or BLOCK_FLAG_HOLE, indicates that the interator - * function should be called on blocks where the block number is zero. - * This is used by ext2fs_expand_dir() to be able to add a new block - * to an inode. It can also be used for programs that want to be able - * to deal with files that contain "holes". - * - * BLOCK_FLAG_TRAVERSE indicates that the iterator function for the - * indirect, doubly indirect, etc. blocks should be called after all - * of the blocks containined in the indirect blocks are processed. - * This is useful if you are going to be deallocating blocks from an - * inode. - * - * BLOCK_FLAG_DATA_ONLY indicates that the iterator function should be - * called for data blocks only. - * - * BLOCK_FLAG_NO_LARGE is for internal use only. It informs - * ext2fs_block_iterate2 that large files won't be accepted. - */ -#define BLOCK_FLAG_APPEND 1 -#define BLOCK_FLAG_HOLE 1 -#define BLOCK_FLAG_DEPTH_TRAVERSE 2 -#define BLOCK_FLAG_DATA_ONLY 4 - -#define BLOCK_FLAG_NO_LARGE 0x1000 - -/* - * Magic "block count" return values for the block iterator function. - */ -#define BLOCK_COUNT_IND (-1) -#define BLOCK_COUNT_DIND (-2) -#define BLOCK_COUNT_TIND (-3) -#define BLOCK_COUNT_TRANSLATOR (-4) - -#if 0 -/* - * Flags for ext2fs_move_blocks - */ -#define EXT2_BMOVE_GET_DBLIST 0x0001 -#define EXT2_BMOVE_DEBUG 0x0002 -#endif - -/* - * Flags for directory block reading and writing functions - */ -#define EXT2_DIRBLOCK_V2_STRUCT 0x0001 - -/* - * Return flags for the directory iterator functions - */ -#define DIRENT_CHANGED 1 -#define DIRENT_ABORT 2 -#define DIRENT_ERROR 3 - -/* - * Directory iterator flags - */ - -#define DIRENT_FLAG_INCLUDE_EMPTY 1 -#define DIRENT_FLAG_INCLUDE_REMOVED 2 - -#define DIRENT_DOT_FILE 1 -#define DIRENT_DOT_DOT_FILE 2 -#define DIRENT_OTHER_FILE 3 -#define DIRENT_DELETED_FILE 4 - -/* - * Inode scan definitions - */ -typedef struct ext2_struct_inode_scan *ext2_inode_scan; - -/* - * ext2fs_scan flags - */ -#define EXT2_SF_CHK_BADBLOCKS 0x0001 -#define EXT2_SF_BAD_INODE_BLK 0x0002 -#define EXT2_SF_BAD_EXTRA_BYTES 0x0004 -#define EXT2_SF_SKIP_MISSING_ITABLE 0x0008 - -/* - * ext2fs_check_if_mounted flags - */ -#define EXT2_MF_MOUNTED 1 -#define EXT2_MF_ISROOT 2 -#define EXT2_MF_READONLY 4 -#define EXT2_MF_SWAP 8 -#define EXT2_MF_BUSY 16 - -/* - * Ext2/linux mode flags. We define them here so that we don't need - * to depend on the OS's sys/stat.h, since we may be compiling on a - * non-Linux system. - */ -#define LINUX_S_IFMT 00170000 -#define LINUX_S_IFSOCK 0140000 -#define LINUX_S_IFLNK 0120000 -#define LINUX_S_IFREG 0100000 -#define LINUX_S_IFBLK 0060000 -#define LINUX_S_IFDIR 0040000 -#define LINUX_S_IFCHR 0020000 -#define LINUX_S_IFIFO 0010000 -#define LINUX_S_ISUID 0004000 -#define LINUX_S_ISGID 0002000 -#define LINUX_S_ISVTX 0001000 - -#define LINUX_S_IRWXU 00700 -#define LINUX_S_IRUSR 00400 -#define LINUX_S_IWUSR 00200 -#define LINUX_S_IXUSR 00100 - -#define LINUX_S_IRWXG 00070 -#define LINUX_S_IRGRP 00040 -#define LINUX_S_IWGRP 00020 -#define LINUX_S_IXGRP 00010 - -#define LINUX_S_IRWXO 00007 -#define LINUX_S_IROTH 00004 -#define LINUX_S_IWOTH 00002 -#define LINUX_S_IXOTH 00001 - -#define LINUX_S_ISLNK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFLNK) -#define LINUX_S_ISREG(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFREG) -#define LINUX_S_ISDIR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFDIR) -#define LINUX_S_ISCHR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFCHR) -#define LINUX_S_ISBLK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFBLK) -#define LINUX_S_ISFIFO(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFIFO) -#define LINUX_S_ISSOCK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFSOCK) - -/* - * ext2 size of an inode - */ -#define EXT2_I_SIZE(i) ((i)->i_size | ((__u64) (i)->i_size_high << 32)) - -/* - * ext2_icount_t abstraction - */ -#define EXT2_ICOUNT_OPT_INCREMENT 0x01 - -typedef struct ext2_icount *ext2_icount_t; - -/* - * Flags for ext2fs_bmap - */ -#define BMAP_ALLOC 0x0001 -#define BMAP_SET 0x0002 - -/* - * Flags for imager.c functions - */ -#define IMAGER_FLAG_INODEMAP 1 -#define IMAGER_FLAG_SPARSEWRITE 2 - -/* - * For checking structure magic numbers... - */ - -#define EXT2_CHECK_MAGIC(struct, code) \ - if ((struct)->magic != (code)) return (code) - - -/* - * For ext2 compression support - */ -#define EXT2FS_COMPRESSED_BLKADDR ((blk_t) 0xffffffff) -#define HOLE_BLKADDR(_b) ((_b) == 0 || (_b) == EXT2FS_COMPRESSED_BLKADDR) - -/* - * Features supported by this version of the library - */ -#define EXT2_LIB_FEATURE_COMPAT_SUPP (EXT2_FEATURE_COMPAT_DIR_PREALLOC|\ - EXT2_FEATURE_COMPAT_IMAGIC_INODES|\ - EXT3_FEATURE_COMPAT_HAS_JOURNAL|\ - EXT2_FEATURE_COMPAT_RESIZE_INODE|\ - EXT2_FEATURE_COMPAT_DIR_INDEX|\ - EXT2_FEATURE_COMPAT_EXT_ATTR) - -/* This #ifdef is temporary until compression is fully supported */ -#ifdef ENABLE_COMPRESSION -#ifndef I_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL -/* If the below warning bugs you, then have - `CPPFLAGS=-DI_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL' in your - environment at configure time. */ - #warning "Compression support is experimental" -#endif -#define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\ - EXT2_FEATURE_INCOMPAT_COMPRESSION|\ - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\ - EXT2_FEATURE_INCOMPAT_META_BG|\ - EXT3_FEATURE_INCOMPAT_RECOVER) -#else -#define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\ - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\ - EXT2_FEATURE_INCOMPAT_META_BG|\ - EXT3_FEATURE_INCOMPAT_RECOVER) -#endif -#define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\ - EXT2_FEATURE_RO_COMPAT_LARGE_FILE) -/* - * function prototypes - */ - -/* alloc.c */ -extern errcode_t ext2fs_new_inode(ext2_filsys fs, ext2_ino_t dir, int mode, - ext2fs_inode_bitmap map, ext2_ino_t *ret); -extern errcode_t ext2fs_new_block(ext2_filsys fs, blk_t goal, - ext2fs_block_bitmap map, blk_t *ret); -extern errcode_t ext2fs_get_free_blocks(ext2_filsys fs, blk_t start, - blk_t finish, int num, - ext2fs_block_bitmap map, - blk_t *ret); -extern errcode_t ext2fs_alloc_block(ext2_filsys fs, blk_t goal, - char *block_buf, blk_t *ret); - -/* alloc_sb.c */ -extern int ext2fs_reserve_super_and_bgd(ext2_filsys fs, - dgrp_t group, - ext2fs_block_bitmap bmap); - -/* alloc_stats.c */ -void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse); -void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino, - int inuse, int isdir); -void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse); - -/* alloc_tables.c */ -extern errcode_t ext2fs_allocate_tables(ext2_filsys fs); -extern errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group, - ext2fs_block_bitmap bmap); - -/* badblocks.c */ -extern errcode_t ext2fs_u32_list_create(ext2_u32_list *ret, int size); -extern errcode_t ext2fs_u32_list_add(ext2_u32_list bb, __u32 blk); -extern int ext2fs_u32_list_find(ext2_u32_list bb, __u32 blk); -extern int ext2fs_u32_list_test(ext2_u32_list bb, blk_t blk); -extern errcode_t ext2fs_u32_list_iterate_begin(ext2_u32_list bb, - ext2_u32_iterate *ret); -extern int ext2fs_u32_list_iterate(ext2_u32_iterate iter, blk_t *blk); -extern void ext2fs_u32_list_iterate_end(ext2_u32_iterate iter); -extern errcode_t ext2fs_u32_copy(ext2_u32_list src, ext2_u32_list *dest); -extern int ext2fs_u32_list_equal(ext2_u32_list bb1, ext2_u32_list bb2); - -extern errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret, - int size); -extern errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb, - blk_t blk); -extern int ext2fs_badblocks_list_test(ext2_badblocks_list bb, - blk_t blk); -extern int ext2fs_u32_list_del(ext2_u32_list bb, __u32 blk); -extern void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk); -extern errcode_t - ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb, - ext2_badblocks_iterate *ret); -extern int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter, - blk_t *blk); -extern void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter); -extern errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src, - ext2_badblocks_list *dest); -extern int ext2fs_badblocks_equal(ext2_badblocks_list bb1, - ext2_badblocks_list bb2); -extern int ext2fs_u32_list_count(ext2_u32_list bb); - -/* bb_compat */ -extern errcode_t badblocks_list_create(badblocks_list *ret, int size); -extern errcode_t badblocks_list_add(badblocks_list bb, blk_t blk); -extern int badblocks_list_test(badblocks_list bb, blk_t blk); -extern errcode_t badblocks_list_iterate_begin(badblocks_list bb, - badblocks_iterate *ret); -extern int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk); -extern void badblocks_list_iterate_end(badblocks_iterate iter); -extern void badblocks_list_free(badblocks_list bb); - -/* bb_inode.c */ -extern errcode_t ext2fs_update_bb_inode(ext2_filsys fs, - ext2_badblocks_list bb_list); - -/* bitmaps.c */ -extern errcode_t ext2fs_write_inode_bitmap(ext2_filsys fs); -extern errcode_t ext2fs_write_block_bitmap (ext2_filsys fs); -extern errcode_t ext2fs_read_inode_bitmap (ext2_filsys fs); -extern errcode_t ext2fs_read_block_bitmap(ext2_filsys fs); -extern errcode_t ext2fs_allocate_generic_bitmap(__u32 start, - __u32 end, - __u32 real_end, - const char *descr, - ext2fs_generic_bitmap *ret); -extern errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs, - const char *descr, - ext2fs_block_bitmap *ret); -extern errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs, - const char *descr, - ext2fs_inode_bitmap *ret); -extern errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap, - ext2_ino_t end, ext2_ino_t *oend); -extern errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap, - blk_t end, blk_t *oend); -extern void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap); -extern void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap); -extern errcode_t ext2fs_read_bitmaps(ext2_filsys fs); -extern errcode_t ext2fs_write_bitmaps(ext2_filsys fs); - -/* block.c */ -extern errcode_t ext2fs_block_iterate(ext2_filsys fs, - ext2_ino_t ino, - int flags, - char *block_buf, - int (*func)(ext2_filsys fs, - blk_t *blocknr, - int blockcnt, - void *priv_data), - void *priv_data); -errcode_t ext2fs_block_iterate2(ext2_filsys fs, - ext2_ino_t ino, - int flags, - char *block_buf, - int (*func)(ext2_filsys fs, - blk_t *blocknr, - e2_blkcnt_t blockcnt, - blk_t ref_blk, - int ref_offset, - void *priv_data), - void *priv_data); - -/* bmap.c */ -extern errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode, - char *block_buf, int bmap_flags, - blk_t block, blk_t *phys_blk); - - -#if 0 -/* bmove.c */ -extern errcode_t ext2fs_move_blocks(ext2_filsys fs, - ext2fs_block_bitmap reserve, - ext2fs_block_bitmap alloc_map, - int flags); -#endif - -/* check_desc.c */ -extern errcode_t ext2fs_check_desc(ext2_filsys fs); - -/* closefs.c */ -extern errcode_t ext2fs_close(ext2_filsys fs); -extern errcode_t ext2fs_flush(ext2_filsys fs); -extern int ext2fs_bg_has_super(ext2_filsys fs, int group_block); -extern int ext2fs_super_and_bgd_loc(ext2_filsys fs, - dgrp_t group, - blk_t *ret_super_blk, - blk_t *ret_old_desc_blk, - blk_t *ret_new_desc_blk, - int *ret_meta_bg); -extern void ext2fs_update_dynamic_rev(ext2_filsys fs); - -/* cmp_bitmaps.c */ -extern errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1, - ext2fs_block_bitmap bm2); -extern errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1, - ext2fs_inode_bitmap bm2); - -/* dblist.c */ - -extern errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs); -extern errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist); -extern errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino, - blk_t blk, int blockcnt); -extern void ext2fs_dblist_sort(ext2_dblist dblist, - int (*sortfunc)(const void *, - const void *)); -extern errcode_t ext2fs_dblist_iterate(ext2_dblist dblist, - int (*func)(ext2_filsys fs, struct ext2_db_entry *db_info, - void *priv_data), - void *priv_data); -extern errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino, - blk_t blk, int blockcnt); -extern errcode_t ext2fs_copy_dblist(ext2_dblist src, - ext2_dblist *dest); -extern int ext2fs_dblist_count(ext2_dblist dblist); - -/* dblist_dir.c */ -extern errcode_t - ext2fs_dblist_dir_iterate(ext2_dblist dblist, - int flags, - char *block_buf, - int (*func)(ext2_ino_t dir, - int entry, - struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data), - void *priv_data); - -/* dirblock.c */ -extern errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block, - void *buf); -extern errcode_t ext2fs_read_dir_block2(ext2_filsys fs, blk_t block, - void *buf, int flags); -extern errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block, - void *buf); -extern errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block, - void *buf, int flags); - -/* dirhash.c */ -extern errcode_t ext2fs_dirhash(int version, const char *name, int len, - const __u32 *seed, - ext2_dirhash_t *ret_hash, - ext2_dirhash_t *ret_minor_hash); - - -/* dir_iterate.c */ -extern errcode_t ext2fs_dir_iterate(ext2_filsys fs, - ext2_ino_t dir, - int flags, - char *block_buf, - int (*func)(struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data), - void *priv_data); -extern errcode_t ext2fs_dir_iterate2(ext2_filsys fs, - ext2_ino_t dir, - int flags, - char *block_buf, - int (*func)(ext2_ino_t dir, - int entry, - struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data), - void *priv_data); - -/* dupfs.c */ -extern errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest); - -/* expanddir.c */ -extern errcode_t ext2fs_expand_dir(ext2_filsys fs, ext2_ino_t dir); - -/* ext_attr.c */ -extern errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf); -extern errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block, - void *buf); -extern errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk, - char *block_buf, - int adjust, __u32 *newcount); - -/* fileio.c */ -extern errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode, - int flags, ext2_file_t *ret); -extern errcode_t ext2fs_file_open(ext2_filsys fs, ext2_ino_t ino, - int flags, ext2_file_t *ret); -extern ext2_filsys ext2fs_file_get_fs(ext2_file_t file); -extern errcode_t ext2fs_file_close(ext2_file_t file); -extern errcode_t ext2fs_file_flush(ext2_file_t file); -extern errcode_t ext2fs_file_read(ext2_file_t file, void *buf, - unsigned int wanted, unsigned int *got); -extern errcode_t ext2fs_file_write(ext2_file_t file, const void *buf, - unsigned int nbytes, unsigned int *written); -extern errcode_t ext2fs_file_llseek(ext2_file_t file, __u64 offset, - int whence, __u64 *ret_pos); -extern errcode_t ext2fs_file_lseek(ext2_file_t file, ext2_off_t offset, - int whence, ext2_off_t *ret_pos); -errcode_t ext2fs_file_get_lsize(ext2_file_t file, __u64 *ret_size); -extern ext2_off_t ext2fs_file_get_size(ext2_file_t file); -extern errcode_t ext2fs_file_set_size(ext2_file_t file, ext2_off_t size); - -/* finddev.c */ -extern char *ext2fs_find_block_device(dev_t device); - -/* flushb.c */ -extern errcode_t ext2fs_sync_device(int fd, int flushb); - -/* freefs.c */ -extern void ext2fs_free(ext2_filsys fs); -extern void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap); -extern void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap); -extern void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap); -extern void ext2fs_free_dblist(ext2_dblist dblist); -extern void ext2fs_badblocks_list_free(ext2_badblocks_list bb); -extern void ext2fs_u32_list_free(ext2_u32_list bb); - -/* getsize.c */ -extern errcode_t ext2fs_get_device_size(const char *file, int blocksize, - blk_t *retblocks); - -/* getsectsize.c */ -errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize); - -/* imager.c */ -extern errcode_t ext2fs_image_inode_write(ext2_filsys fs, int fd, int flags); -extern errcode_t ext2fs_image_inode_read(ext2_filsys fs, int fd, int flags); -extern errcode_t ext2fs_image_super_write(ext2_filsys fs, int fd, int flags); -extern errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, int flags); -extern errcode_t ext2fs_image_bitmap_write(ext2_filsys fs, int fd, int flags); -extern errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags); - -/* ind_block.c */ -errcode_t ext2fs_read_ind_block(ext2_filsys fs, blk_t blk, void *buf); -errcode_t ext2fs_write_ind_block(ext2_filsys fs, blk_t blk, void *buf); - -/* initialize.c */ -extern errcode_t ext2fs_initialize(const char *name, int flags, - struct ext2_super_block *param, - io_manager manager, ext2_filsys *ret_fs); - -/* icount.c */ -extern void ext2fs_free_icount(ext2_icount_t icount); -extern errcode_t ext2fs_create_icount2(ext2_filsys fs, int flags, - unsigned int size, - ext2_icount_t hint, ext2_icount_t *ret); -extern errcode_t ext2fs_create_icount(ext2_filsys fs, int flags, - unsigned int size, - ext2_icount_t *ret); -extern errcode_t ext2fs_icount_fetch(ext2_icount_t icount, ext2_ino_t ino, - __u16 *ret); -extern errcode_t ext2fs_icount_increment(ext2_icount_t icount, ext2_ino_t ino, - __u16 *ret); -extern errcode_t ext2fs_icount_decrement(ext2_icount_t icount, ext2_ino_t ino, - __u16 *ret); -extern errcode_t ext2fs_icount_store(ext2_icount_t icount, ext2_ino_t ino, - __u16 count); -extern ext2_ino_t ext2fs_get_icount_size(ext2_icount_t icount); -errcode_t ext2fs_icount_validate(ext2_icount_t icount, FILE *); - -/* inode.c */ -extern errcode_t ext2fs_flush_icache(ext2_filsys fs); -extern errcode_t ext2fs_get_next_inode_full(ext2_inode_scan scan, - ext2_ino_t *ino, - struct ext2_inode *inode, - int bufsize); -extern errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks, - ext2_inode_scan *ret_scan); -extern void ext2fs_close_inode_scan(ext2_inode_scan scan); -extern errcode_t ext2fs_get_next_inode(ext2_inode_scan scan, ext2_ino_t *ino, - struct ext2_inode *inode); -extern errcode_t ext2fs_inode_scan_goto_blockgroup(ext2_inode_scan scan, - int group); -extern void ext2fs_set_inode_callback - (ext2_inode_scan scan, - errcode_t (*done_group)(ext2_filsys fs, - dgrp_t group, - void * priv_data), - void *done_group_data); -extern int ext2fs_inode_scan_flags(ext2_inode_scan scan, int set_flags, - int clear_flags); -extern errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode, - int bufsize); -extern errcode_t ext2fs_read_inode (ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode); -extern errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode, - int bufsize); -extern errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode); -extern errcode_t ext2fs_write_new_inode(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode); -extern errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); -extern errcode_t ext2fs_check_directory(ext2_filsys fs, ext2_ino_t ino); - -/* inode_io.c */ -extern io_manager inode_io_manager; -extern errcode_t ext2fs_inode_io_intern(ext2_filsys fs, ext2_ino_t ino, - char **name); -extern errcode_t ext2fs_inode_io_intern2(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode, - char **name); - -/* ismounted.c */ -extern errcode_t ext2fs_check_if_mounted(const char *file, int *mount_flags); -extern errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags, - char *mtpt, int mtlen); - -/* namei.c */ -extern errcode_t ext2fs_lookup(ext2_filsys fs, ext2_ino_t dir, const char *name, - int namelen, char *buf, ext2_ino_t *inode); -extern errcode_t ext2fs_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, - const char *name, ext2_ino_t *inode); -errcode_t ext2fs_namei_follow(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, - const char *name, ext2_ino_t *inode); -extern errcode_t ext2fs_follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, - ext2_ino_t inode, ext2_ino_t *res_inode); - -/* native.c */ -int ext2fs_native_flag(void); - -/* newdir.c */ -extern errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino, - ext2_ino_t parent_ino, char **block); - -/* mkdir.c */ -extern errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum, - const char *name); - -/* mkjournal.c */ -extern errcode_t ext2fs_create_journal_superblock(ext2_filsys fs, - __u32 size, int flags, - char **ret_jsb); -extern errcode_t ext2fs_add_journal_device(ext2_filsys fs, - ext2_filsys journal_dev); -extern errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t size, - int flags); - -/* openfs.c */ -extern errcode_t ext2fs_open(const char *name, int flags, int superblock, - unsigned int block_size, io_manager manager, - ext2_filsys *ret_fs); -extern errcode_t ext2fs_open2(const char *name, const char *io_options, - int flags, int superblock, - unsigned int block_size, io_manager manager, - ext2_filsys *ret_fs); -extern blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block, - dgrp_t i); -errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io); -errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io); -errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io); - -/* get_pathname.c */ -extern errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino, - char **name); - -/* link.c */ -errcode_t ext2fs_link(ext2_filsys fs, ext2_ino_t dir, const char *name, - ext2_ino_t ino, int flags); -errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, const char *name, - ext2_ino_t ino, int flags); - -/* read_bb.c */ -extern errcode_t ext2fs_read_bb_inode(ext2_filsys fs, - ext2_badblocks_list *bb_list); - -/* read_bb_file.c */ -extern errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f, - ext2_badblocks_list *bb_list, - void *priv_data, - void (*invalid)(ext2_filsys fs, - blk_t blk, - char *badstr, - void *priv_data)); -extern errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f, - ext2_badblocks_list *bb_list, - void (*invalid)(ext2_filsys fs, - blk_t blk)); - -/* res_gdt.c */ -extern errcode_t ext2fs_create_resize_inode(ext2_filsys fs); - -/* rs_bitmap.c */ -extern errcode_t ext2fs_resize_generic_bitmap(__u32 new_end, - __u32 new_real_end, - ext2fs_generic_bitmap bmap); -extern errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end, - ext2fs_inode_bitmap bmap); -extern errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end, - ext2fs_block_bitmap bmap); -extern errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src, - ext2fs_generic_bitmap *dest); - -/* swapfs.c */ -extern void ext2fs_swap_ext_attr(char *to, char *from, int bufsize, - int has_header); -extern void ext2fs_swap_super(struct ext2_super_block * super); -extern void ext2fs_swap_group_desc(struct ext2_group_desc *gdp); -extern void ext2fs_swap_inode_full(ext2_filsys fs, struct ext2_inode_large *t, - struct ext2_inode_large *f, int hostorder, - int bufsize); -extern void ext2fs_swap_inode(ext2_filsys fs,struct ext2_inode *t, - struct ext2_inode *f, int hostorder); - -/* valid_blk.c */ -extern int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode); - -/* version.c */ -extern int ext2fs_parse_version_string(const char *ver_string); -extern int ext2fs_get_library_version(const char **ver_string, - const char **date_string); - -/* write_bb_file.c */ -extern errcode_t ext2fs_write_bb_FILE(ext2_badblocks_list bb_list, - unsigned int flags, - FILE *f); - - -/* inline functions */ -extern errcode_t ext2fs_get_mem(unsigned long size, void *ptr); -extern errcode_t ext2fs_free_mem(void *ptr); -extern errcode_t ext2fs_resize_mem(unsigned long old_size, - unsigned long size, void *ptr); -extern void ext2fs_mark_super_dirty(ext2_filsys fs); -extern void ext2fs_mark_changed(ext2_filsys fs); -extern int ext2fs_test_changed(ext2_filsys fs); -extern void ext2fs_mark_valid(ext2_filsys fs); -extern void ext2fs_unmark_valid(ext2_filsys fs); -extern int ext2fs_test_valid(ext2_filsys fs); -extern void ext2fs_mark_ib_dirty(ext2_filsys fs); -extern void ext2fs_mark_bb_dirty(ext2_filsys fs); -extern int ext2fs_test_ib_dirty(ext2_filsys fs); -extern int ext2fs_test_bb_dirty(ext2_filsys fs); -extern int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk); -extern int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino); -extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs, - struct ext2_inode *inode); - -#ifdef __cplusplus -} -#endif - -#endif /* _EXT2FS_EXT2FS_H */ diff --git a/e2fsprogs/ext2fs/ext2fsP.h b/e2fsprogs/ext2fs/ext2fsP.h deleted file mode 100644 index 908b5d9..0000000 --- a/e2fsprogs/ext2fs/ext2fsP.h +++ /dev/null @@ -1,89 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * ext2fsP.h --- private header file for ext2 library - * - * Copyright (C) 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include "ext2fs.h" - -/* - * Badblocks list - */ -struct ext2_struct_u32_list { - int magic; - int num; - int size; - __u32 *list; - int badblocks_flags; -}; - -struct ext2_struct_u32_iterate { - int magic; - ext2_u32_list bb; - int ptr; -}; - - -/* - * Directory block iterator definition - */ -struct ext2_struct_dblist { - int magic; - ext2_filsys fs; - ext2_ino_t size; - ext2_ino_t count; - int sorted; - struct ext2_db_entry * list; -}; - -/* - * For directory iterators - */ -struct dir_context { - ext2_ino_t dir; - int flags; - char *buf; - int (*func)(ext2_ino_t dir, - int entry, - struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data); - void *priv_data; - errcode_t errcode; -}; - -/* - * Inode cache structure - */ -struct ext2_inode_cache { - void * buffer; - blk_t buffer_blk; - int cache_last; - int cache_size; - int refcount; - struct ext2_inode_cache_ent *cache; -}; - -struct ext2_inode_cache_ent { - ext2_ino_t ino; - struct ext2_inode inode; -}; - -/* Function prototypes */ - -extern int ext2fs_process_dir_block(ext2_filsys fs, - blk_t *blocknr, - e2_blkcnt_t blockcnt, - blk_t ref_block, - int ref_offset, - void *priv_data); - - diff --git a/e2fsprogs/ext2fs/ext2fs_inline.c b/e2fsprogs/ext2fs/ext2fs_inline.c deleted file mode 100644 index da1cf5b..0000000 --- a/e2fsprogs/ext2fs/ext2fs_inline.c +++ /dev/null @@ -1,367 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * ext2fs.h --- ext2fs - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include "ext2fs.h" -#include "bitops.h" -#include <string.h> - -/* - * Allocate memory - */ -errcode_t ext2fs_get_mem(unsigned long size, void *ptr) -{ - void **pp = (void **)ptr; - - *pp = malloc(size); - if (!*pp) - return EXT2_ET_NO_MEMORY; - return 0; -} - -/* - * Free memory - */ -errcode_t ext2fs_free_mem(void *ptr) -{ - void **pp = (void **)ptr; - - free(*pp); - *pp = 0; - return 0; -} - -/* - * Resize memory - */ -errcode_t ext2fs_resize_mem(unsigned long EXT2FS_ATTR((unused)) old_size, - unsigned long size, void *ptr) -{ - void *p; - - /* Use "memcpy" for pointer assignments here to avoid problems - * with C99 strict type aliasing rules. */ - memcpy(&p, ptr, sizeof (p)); - p = realloc(p, size); - if (!p) - return EXT2_ET_NO_MEMORY; - memcpy(ptr, &p, sizeof (p)); - return 0; -} - -/* - * Mark a filesystem superblock as dirty - */ -void ext2fs_mark_super_dirty(ext2_filsys fs) -{ - fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_CHANGED; -} - -/* - * Mark a filesystem as changed - */ -void ext2fs_mark_changed(ext2_filsys fs) -{ - fs->flags |= EXT2_FLAG_CHANGED; -} - -/* - * Check to see if a filesystem has changed - */ -int ext2fs_test_changed(ext2_filsys fs) -{ - return (fs->flags & EXT2_FLAG_CHANGED); -} - -/* - * Mark a filesystem as valid - */ -void ext2fs_mark_valid(ext2_filsys fs) -{ - fs->flags |= EXT2_FLAG_VALID; -} - -/* - * Mark a filesystem as NOT valid - */ -void ext2fs_unmark_valid(ext2_filsys fs) -{ - fs->flags &= ~EXT2_FLAG_VALID; -} - -/* - * Check to see if a filesystem is valid - */ -int ext2fs_test_valid(ext2_filsys fs) -{ - return (fs->flags & EXT2_FLAG_VALID); -} - -/* - * Mark the inode bitmap as dirty - */ -void ext2fs_mark_ib_dirty(ext2_filsys fs) -{ - fs->flags |= EXT2_FLAG_IB_DIRTY | EXT2_FLAG_CHANGED; -} - -/* - * Mark the block bitmap as dirty - */ -void ext2fs_mark_bb_dirty(ext2_filsys fs) -{ - fs->flags |= EXT2_FLAG_BB_DIRTY | EXT2_FLAG_CHANGED; -} - -/* - * Check to see if a filesystem's inode bitmap is dirty - */ -int ext2fs_test_ib_dirty(ext2_filsys fs) -{ - return (fs->flags & EXT2_FLAG_IB_DIRTY); -} - -/* - * Check to see if a filesystem's block bitmap is dirty - */ -int ext2fs_test_bb_dirty(ext2_filsys fs) -{ - return (fs->flags & EXT2_FLAG_BB_DIRTY); -} - -/* - * Return the group # of a block - */ -int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk) -{ - return (blk - fs->super->s_first_data_block) / - fs->super->s_blocks_per_group; -} - -/* - * Return the group # of an inode number - */ -int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino) -{ - return (ino - 1) / fs->super->s_inodes_per_group; -} - -blk_t ext2fs_inode_data_blocks(ext2_filsys fs, - struct ext2_inode *inode) -{ - return inode->i_blocks - - (inode->i_file_acl ? fs->blocksize >> 9 : 0); -} - - - - - - - - - -__u16 ext2fs_swab16(__u16 val) -{ - return (val >> 8) | (val << 8); -} - -__u32 ext2fs_swab32(__u32 val) -{ - return ((val>>24) | ((val>>8)&0xFF00) | - ((val<<8)&0xFF0000) | (val<<24)); -} - -int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap, - blk_t bitno); - -int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap, - blk_t bitno) -{ - if ((bitno < bitmap->start) || (bitno > bitmap->end)) { - ext2fs_warn_bitmap2(bitmap, EXT2FS_TEST_ERROR, bitno); - return 0; - } - return ext2fs_test_bit(bitno - bitmap->start, bitmap->bitmap); -} - -int ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block) -{ - return ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) - bitmap, - block); -} - -int ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block) -{ - return ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap, - block); -} - -int ext2fs_test_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block) -{ - return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap, - block); -} - -int ext2fs_mark_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode) -{ - return ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap, - inode); -} - -int ext2fs_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode) -{ - return ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap, - inode); -} - -int ext2fs_test_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode) -{ - return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap, - inode); -} - -void ext2fs_fast_mark_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block) -{ - ext2fs_set_bit(block - bitmap->start, bitmap->bitmap); -} - -void ext2fs_fast_unmark_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block) -{ - ext2fs_clear_bit(block - bitmap->start, bitmap->bitmap); -} - -int ext2fs_fast_test_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block) -{ - return ext2fs_test_bit(block - bitmap->start, bitmap->bitmap); -} - -void ext2fs_fast_mark_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode) -{ - ext2fs_set_bit(inode - bitmap->start, bitmap->bitmap); -} - -void ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode) -{ - ext2fs_clear_bit(inode - bitmap->start, bitmap->bitmap); -} - -int ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode) -{ - return ext2fs_test_bit(inode - bitmap->start, bitmap->bitmap); -} - -blk_t ext2fs_get_block_bitmap_start(ext2fs_block_bitmap bitmap) -{ - return bitmap->start; -} - -ext2_ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap) -{ - return bitmap->start; -} - -blk_t ext2fs_get_block_bitmap_end(ext2fs_block_bitmap bitmap) -{ - return bitmap->end; -} - -ext2_ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap) -{ - return bitmap->end; -} - -int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num) -{ - int i; - - if ((block < bitmap->start) || (block+num-1 > bitmap->end)) { - ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_TEST, - block, bitmap->description); - return 0; - } - for (i=0; i < num; i++) { - if (ext2fs_fast_test_block_bitmap(bitmap, block+i)) - return 0; - } - return 1; -} - -int ext2fs_fast_test_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num) -{ - int i; - - for (i=0; i < num; i++) { - if (ext2fs_fast_test_block_bitmap(bitmap, block+i)) - return 0; - } - return 1; -} - -void ext2fs_mark_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num) -{ - int i; - - if ((block < bitmap->start) || (block+num-1 > bitmap->end)) { - ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_MARK, block, - bitmap->description); - return; - } - for (i=0; i < num; i++) - ext2fs_set_bit(block + i - bitmap->start, bitmap->bitmap); -} - -void ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num) -{ - int i; - - for (i=0; i < num; i++) - ext2fs_set_bit(block + i - bitmap->start, bitmap->bitmap); -} - -void ext2fs_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num) -{ - int i; - - if ((block < bitmap->start) || (block+num-1 > bitmap->end)) { - ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_UNMARK, block, - bitmap->description); - return; - } - for (i=0; i < num; i++) - ext2fs_clear_bit(block + i - bitmap->start, bitmap->bitmap); -} - -void ext2fs_fast_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num) -{ - int i; - for (i=0; i < num; i++) - ext2fs_clear_bit(block + i - bitmap->start, bitmap->bitmap); -} diff --git a/e2fsprogs/ext2fs/ext_attr.c b/e2fsprogs/ext2fs/ext_attr.c deleted file mode 100644 index 7ee41f2..0000000 --- a/e2fsprogs/ext2fs/ext_attr.c +++ /dev/null @@ -1,101 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * ext_attr.c --- extended attribute blocks - * - * Copyright (C) 2001 Andreas Gruenbacher, <a.gruenbacher@computer.org> - * - * Copyright (C) 2002 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <unistd.h> -#include <string.h> -#include <time.h> - -#include "ext2_fs.h" -#include "ext2_ext_attr.h" -#include "ext2fs.h" - -errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf) -{ - errcode_t retval; - - retval = io_channel_read_blk(fs->io, block, 1, buf); - if (retval) - return retval; -#if BB_BIG_ENDIAN - if ((fs->flags & (EXT2_FLAG_SWAP_BYTES| - EXT2_FLAG_SWAP_BYTES_READ)) != 0) - ext2fs_swap_ext_attr(buf, buf, fs->blocksize, 1); -#endif - return 0; -} - -errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block, void *inbuf) -{ - errcode_t retval; - char *write_buf; - char *buf = NULL; - - if (BB_BIG_ENDIAN && ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE))) { - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - write_buf = buf; - ext2fs_swap_ext_attr(buf, inbuf, fs->blocksize, 1); - } else - write_buf = (char *) inbuf; - retval = io_channel_write_blk(fs->io, block, 1, write_buf); - if (buf) - ext2fs_free_mem(&buf); - if (!retval) - ext2fs_mark_changed(fs); - return retval; -} - -/* - * This function adjusts the reference count of the EA block. - */ -errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk, - char *block_buf, int adjust, - __u32 *newcount) -{ - errcode_t retval; - struct ext2_ext_attr_header *header; - char *buf = 0; - - if ((blk >= fs->super->s_blocks_count) || - (blk < fs->super->s_first_data_block)) - return EXT2_ET_BAD_EA_BLOCK_NUM; - - if (!block_buf) { - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - block_buf = buf; - } - - retval = ext2fs_read_ext_attr(fs, blk, block_buf); - if (retval) - goto errout; - - header = (struct ext2_ext_attr_header *) block_buf; - header->h_refcount += adjust; - if (newcount) - *newcount = header->h_refcount; - - retval = ext2fs_write_ext_attr(fs, blk, block_buf); - if (retval) - goto errout; - -errout: - if (buf) - ext2fs_free_mem(&buf); - return retval; -} diff --git a/e2fsprogs/ext2fs/fileio.c b/e2fsprogs/ext2fs/fileio.c deleted file mode 100644 index c56a21a..0000000 --- a/e2fsprogs/ext2fs/fileio.c +++ /dev/null @@ -1,377 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * fileio.c --- Simple file I/O routines - * - * Copyright (C) 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct ext2_file { - errcode_t magic; - ext2_filsys fs; - ext2_ino_t ino; - struct ext2_inode inode; - int flags; - __u64 pos; - blk_t blockno; - blk_t physblock; - char *buf; -}; - -#define BMAP_BUFFER (file->buf + fs->blocksize) - -errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode, - int flags, ext2_file_t *ret) -{ - ext2_file_t file; - errcode_t retval; - - /* - * Don't let caller create or open a file for writing if the - * filesystem is read-only. - */ - if ((flags & (EXT2_FILE_WRITE | EXT2_FILE_CREATE)) && - !(fs->flags & EXT2_FLAG_RW)) - return EXT2_ET_RO_FILSYS; - - retval = ext2fs_get_mem(sizeof(struct ext2_file), &file); - if (retval) - return retval; - - memset(file, 0, sizeof(struct ext2_file)); - file->magic = EXT2_ET_MAGIC_EXT2_FILE; - file->fs = fs; - file->ino = ino; - file->flags = flags & EXT2_FILE_MASK; - - if (inode) { - memcpy(&file->inode, inode, sizeof(struct ext2_inode)); - } else { - retval = ext2fs_read_inode(fs, ino, &file->inode); - if (retval) - goto fail; - } - - retval = ext2fs_get_mem(fs->blocksize * 3, &file->buf); - if (retval) - goto fail; - - *ret = file; - return 0; - -fail: - ext2fs_free_mem(&file->buf); - ext2fs_free_mem(&file); - return retval; -} - -errcode_t ext2fs_file_open(ext2_filsys fs, ext2_ino_t ino, - int flags, ext2_file_t *ret) -{ - return ext2fs_file_open2(fs, ino, NULL, flags, ret); -} - -/* - * This function returns the filesystem handle of a file from the structure - */ -ext2_filsys ext2fs_file_get_fs(ext2_file_t file) -{ - if (file->magic != EXT2_ET_MAGIC_EXT2_FILE) - return 0; - return file->fs; -} - -/* - * This function flushes the dirty block buffer out to disk if - * necessary. - */ -errcode_t ext2fs_file_flush(ext2_file_t file) -{ - errcode_t retval; - ext2_filsys fs; - - EXT2_CHECK_MAGIC(file, EXT2_ET_MAGIC_EXT2_FILE); - fs = file->fs; - - if (!(file->flags & EXT2_FILE_BUF_VALID) || - !(file->flags & EXT2_FILE_BUF_DIRTY)) - return 0; - - /* - * OK, the physical block hasn't been allocated yet. - * Allocate it. - */ - if (!file->physblock) { - retval = ext2fs_bmap(fs, file->ino, &file->inode, - BMAP_BUFFER, file->ino ? BMAP_ALLOC : 0, - file->blockno, &file->physblock); - if (retval) - return retval; - } - - retval = io_channel_write_blk(fs->io, file->physblock, - 1, file->buf); - if (retval) - return retval; - - file->flags &= ~EXT2_FILE_BUF_DIRTY; - - return retval; -} - -/* - * This function synchronizes the file's block buffer and the current - * file position, possibly invalidating block buffer if necessary - */ -static errcode_t sync_buffer_position(ext2_file_t file) -{ - blk_t b; - errcode_t retval; - - b = file->pos / file->fs->blocksize; - if (b != file->blockno) { - retval = ext2fs_file_flush(file); - if (retval) - return retval; - file->flags &= ~EXT2_FILE_BUF_VALID; - } - file->blockno = b; - return 0; -} - -/* - * This function loads the file's block buffer with valid data from - * the disk as necessary. - * - * If dontfill is true, then skip initializing the buffer since we're - * going to be replacing its entire contents anyway. If set, then the - * function basically only sets file->physblock and EXT2_FILE_BUF_VALID - */ -#define DONTFILL 1 -static errcode_t load_buffer(ext2_file_t file, int dontfill) -{ - ext2_filsys fs = file->fs; - errcode_t retval; - - if (!(file->flags & EXT2_FILE_BUF_VALID)) { - retval = ext2fs_bmap(fs, file->ino, &file->inode, - BMAP_BUFFER, 0, file->blockno, - &file->physblock); - if (retval) - return retval; - if (!dontfill) { - if (file->physblock) { - retval = io_channel_read_blk(fs->io, - file->physblock, - 1, file->buf); - if (retval) - return retval; - } else - memset(file->buf, 0, fs->blocksize); - } - file->flags |= EXT2_FILE_BUF_VALID; - } - return 0; -} - - -errcode_t ext2fs_file_close(ext2_file_t file) -{ - errcode_t retval; - - EXT2_CHECK_MAGIC(file, EXT2_ET_MAGIC_EXT2_FILE); - - retval = ext2fs_file_flush(file); - - ext2fs_free_mem(&file->buf); - ext2fs_free_mem(&file); - - return retval; -} - - -errcode_t ext2fs_file_read(ext2_file_t file, void *buf, - unsigned int wanted, unsigned int *got) -{ - ext2_filsys fs; - errcode_t retval = 0; - unsigned int start, c, count = 0; - __u64 left; - char *ptr = (char *) buf; - - EXT2_CHECK_MAGIC(file, EXT2_ET_MAGIC_EXT2_FILE); - fs = file->fs; - - while ((file->pos < EXT2_I_SIZE(&file->inode)) && (wanted > 0)) { - retval = sync_buffer_position(file); - if (retval) - goto fail; - retval = load_buffer(file, 0); - if (retval) - goto fail; - - start = file->pos % fs->blocksize; - c = fs->blocksize - start; - if (c > wanted) - c = wanted; - left = EXT2_I_SIZE(&file->inode) - file->pos ; - if (c > left) - c = left; - - memcpy(ptr, file->buf+start, c); - file->pos += c; - ptr += c; - count += c; - wanted -= c; - } - -fail: - if (got) - *got = count; - return retval; -} - - -errcode_t ext2fs_file_write(ext2_file_t file, const void *buf, - unsigned int nbytes, unsigned int *written) -{ - ext2_filsys fs; - errcode_t retval = 0; - unsigned int start, c, count = 0; - const char *ptr = (const char *) buf; - - EXT2_CHECK_MAGIC(file, EXT2_ET_MAGIC_EXT2_FILE); - fs = file->fs; - - if (!(file->flags & EXT2_FILE_WRITE)) - return EXT2_ET_FILE_RO; - - while (nbytes > 0) { - retval = sync_buffer_position(file); - if (retval) - goto fail; - - start = file->pos % fs->blocksize; - c = fs->blocksize - start; - if (c > nbytes) - c = nbytes; - - /* - * We only need to do a read-modify-update cycle if - * we're doing a partial write. - */ - retval = load_buffer(file, (c == fs->blocksize)); - if (retval) - goto fail; - - file->flags |= EXT2_FILE_BUF_DIRTY; - memcpy(file->buf+start, ptr, c); - file->pos += c; - ptr += c; - count += c; - nbytes -= c; - } - -fail: - if (written) - *written = count; - return retval; -} - -errcode_t ext2fs_file_llseek(ext2_file_t file, __u64 offset, - int whence, __u64 *ret_pos) -{ - EXT2_CHECK_MAGIC(file, EXT2_ET_MAGIC_EXT2_FILE); - - if (whence == EXT2_SEEK_SET) - file->pos = offset; - else if (whence == EXT2_SEEK_CUR) - file->pos += offset; - else if (whence == EXT2_SEEK_END) - file->pos = EXT2_I_SIZE(&file->inode) + offset; - else - return EXT2_ET_INVALID_ARGUMENT; - - if (ret_pos) - *ret_pos = file->pos; - - return 0; -} - -errcode_t ext2fs_file_lseek(ext2_file_t file, ext2_off_t offset, - int whence, ext2_off_t *ret_pos) -{ - __u64 loffset, ret_loffset; - errcode_t retval; - - loffset = offset; - retval = ext2fs_file_llseek(file, loffset, whence, &ret_loffset); - if (ret_pos) - *ret_pos = (ext2_off_t) ret_loffset; - return retval; -} - - -/* - * This function returns the size of the file, according to the inode - */ -errcode_t ext2fs_file_get_lsize(ext2_file_t file, __u64 *ret_size) -{ - if (file->magic != EXT2_ET_MAGIC_EXT2_FILE) - return EXT2_ET_MAGIC_EXT2_FILE; - *ret_size = EXT2_I_SIZE(&file->inode); - return 0; -} - -/* - * This function returns the size of the file, according to the inode - */ -ext2_off_t ext2fs_file_get_size(ext2_file_t file) -{ - __u64 size; - - if (ext2fs_file_get_lsize(file, &size)) - return 0; - if ((size >> 32) != 0) - return 0; - return size; -} - -/* - * This function sets the size of the file, truncating it if necessary - * - * XXX still need to call truncate - */ -errcode_t ext2fs_file_set_size(ext2_file_t file, ext2_off_t size) -{ - errcode_t retval; - EXT2_CHECK_MAGIC(file, EXT2_ET_MAGIC_EXT2_FILE); - - file->inode.i_size = size; - file->inode.i_size_high = 0; - if (file->ino) { - retval = ext2fs_write_inode(file->fs, file->ino, &file->inode); - if (retval) - return retval; - } - - /* - * XXX truncate inode if necessary - */ - - return 0; -} diff --git a/e2fsprogs/ext2fs/finddev.c b/e2fsprogs/ext2fs/finddev.c deleted file mode 100644 index 5e2cce9..0000000 --- a/e2fsprogs/ext2fs/finddev.c +++ /dev/null @@ -1,199 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * finddev.c -- this routine attempts to find a particular device in - * /dev - * - * Copyright (C) 2000 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <stdlib.h> -#include <string.h> -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#ifdef HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#include <dirent.h> -#ifdef HAVE_ERRNO_H -#include <errno.h> -#endif -#ifdef HAVE_SYS_MKDEV_H -#include <sys/mkdev.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct dir_list { - char *name; - struct dir_list *next; -}; - -/* - * This function adds an entry to the directory list - */ -static void add_to_dirlist(const char *name, struct dir_list **list) -{ - struct dir_list *dp; - - dp = xmalloc(sizeof(struct dir_list)); - dp->name = xmalloc(strlen(name)+1); - strcpy(dp->name, name); - dp->next = *list; - *list = dp; -} - -/* - * This function frees a directory list - */ -static void free_dirlist(struct dir_list **list) -{ - struct dir_list *dp, *next; - - for (dp = *list; dp; dp = next) { - next = dp->next; - free(dp->name); - free(dp); - } - *list = 0; -} - -static int scan_dir(char *dir_name, dev_t device, struct dir_list **list, - char **ret_path) -{ - DIR *dir; - struct dirent *dp; - char path[1024], *cp; - int dirlen; - struct stat st; - - dirlen = strlen(dir_name); - if ((dir = opendir(dir_name)) == NULL) - return errno; - dp = readdir(dir); - while (dp) { - if (dirlen + strlen(dp->d_name) + 2 >= sizeof(path)) - goto skip_to_next; - if (dp->d_name[0] == '.' && - ((dp->d_name[1] == 0) || - ((dp->d_name[1] == '.') && (dp->d_name[2] == 0)))) - goto skip_to_next; - sprintf(path, "%s/%s", dir_name, dp->d_name); - if (stat(path, &st) < 0) - goto skip_to_next; - if (S_ISDIR(st.st_mode)) - add_to_dirlist(path, list); - if (S_ISBLK(st.st_mode) && st.st_rdev == device) { - cp = xmalloc(strlen(path)+1); - strcpy(cp, path); - *ret_path = cp; - goto success; - } - skip_to_next: - dp = readdir(dir); - } -success: - closedir(dir); - return 0; -} - -/* - * This function finds the pathname to a block device with a given - * device number. It returns a pointer to allocated memory to the - * pathname on success, and NULL on failure. - */ -char *ext2fs_find_block_device(dev_t device) -{ - struct dir_list *list = 0, *new_list = 0; - struct dir_list *current; - char *ret_path = 0; - - /* - * Add the starting directories to search... - */ - add_to_dirlist("/devices", &list); - add_to_dirlist("/devfs", &list); - add_to_dirlist("/dev", &list); - - while (list) { - current = list; - list = list->next; -#ifdef DEBUG - printf("Scanning directory %s\n", current->name); -#endif - scan_dir(current->name, device, &new_list, &ret_path); - free(current->name); - free(current); - if (ret_path) - break; - /* - * If we're done checking at this level, descend to - * the next level of subdirectories. (breadth-first) - */ - if (list == 0) { - list = new_list; - new_list = 0; - } - } - free_dirlist(&list); - free_dirlist(&new_list); - return ret_path; -} - - -#ifdef DEBUG -int main(int argc, char** argv) -{ - char *devname, *tmp; - int major, minor; - dev_t device; - const char *errmsg = "Cannot parse %s: %s\n"; - - if ((argc != 2) && (argc != 3)) { - fprintf(stderr, "Usage: %s device_number\n", argv[0]); - fprintf(stderr, "\t: %s major minor\n", argv[0]); - exit(1); - } - if (argc == 2) { - device = strtoul(argv[1], &tmp, 0); - if (*tmp) { - fprintf(stderr, errmsg, "device number", argv[1]); - exit(1); - } - } else { - major = strtoul(argv[1], &tmp, 0); - if (*tmp) { - fprintf(stderr, errmsg, "major number", argv[1]); - exit(1); - } - minor = strtoul(argv[2], &tmp, 0); - if (*tmp) { - fprintf(stderr, errmsg, "minor number", argv[2]); - exit(1); - } - device = makedev(major, minor); - printf("Looking for device 0x%04x (%d:%d)\n", device, - major, minor); - } - devname = ext2fs_find_block_device(device); - if (devname) { - printf("Found device! %s\n", devname); - free(devname); - } else { - printf("Cannot find device.\n"); - } - return 0; -} - -#endif diff --git a/e2fsprogs/ext2fs/flushb.c b/e2fsprogs/ext2fs/flushb.c deleted file mode 100644 index e429826..0000000 --- a/e2fsprogs/ext2fs/flushb.c +++ /dev/null @@ -1,83 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * flushb.c --- Hides system-dependent information for both syncing a - * device to disk and to flush any buffers from disk cache. - * - * Copyright (C) 2000 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_SYS_IOCTL_H -#include <sys/ioctl.h> -#endif -#if HAVE_SYS_MOUNT_H -#include <sys/param.h> -#include <sys/mount.h> /* This may define BLKFLSBUF */ -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * For Linux, define BLKFLSBUF and FDFLUSH if necessary, since - * not all portable header file does so for us. This really should be - * fixed in the glibc header files. (Recent glibcs appear to define - * BLKFLSBUF in sys/mount.h, but FDFLUSH still doesn't seem to be - * defined anywhere portable.) Until then.... - */ -#ifdef __linux__ -#ifndef BLKFLSBUF -#define BLKFLSBUF _IO(0x12,97) /* flush buffer cache */ -#endif -#ifndef FDFLUSH -#define FDFLUSH _IO(2,0x4b) /* flush floppy disk */ -#endif -#endif - -/* - * This function will sync a device/file, and optionally attempt to - * flush the buffer cache. The latter is basically only useful for - * system benchmarks and for torturing systems in burn-in tests. :) - */ -errcode_t ext2fs_sync_device(int fd, int flushb) -{ - /* - * We always sync the device in case we're running on old - * kernels for which we can lose data if we don't. (There - * still is a race condition for those kernels, but this - * reduces it greatly.) - */ - if (fsync (fd) == -1) - return errno; - - if (flushb) { - -#ifdef BLKFLSBUF - if (ioctl (fd, BLKFLSBUF, 0) == 0) - return 0; -#else -#ifdef __GNUC__ -# warning BLKFLSBUF not defined -#endif /* __GNUC__ */ -#endif -#ifdef FDFLUSH - ioctl (fd, FDFLUSH, 0); /* In case this is a floppy */ -#else -#ifdef __GNUC__ -# warning FDFLUSH not defined -#endif /* __GNUC__ */ -#endif - } - return 0; -} diff --git a/e2fsprogs/ext2fs/freefs.c b/e2fsprogs/ext2fs/freefs.c deleted file mode 100644 index 65c4ee7..0000000 --- a/e2fsprogs/ext2fs/freefs.c +++ /dev/null @@ -1,128 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * freefs.c --- free an ext2 filesystem - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fsP.h" - -static void ext2fs_free_inode_cache(struct ext2_inode_cache *icache); - -void ext2fs_free(ext2_filsys fs) -{ - if (!fs || (fs->magic != EXT2_ET_MAGIC_EXT2FS_FILSYS)) - return; - if (fs->image_io != fs->io) { - if (fs->image_io) - io_channel_close(fs->image_io); - } - if (fs->io) { - io_channel_close(fs->io); - } - ext2fs_free_mem(&fs->device_name); - ext2fs_free_mem(&fs->super); - ext2fs_free_mem(&fs->orig_super); - ext2fs_free_mem(&fs->group_desc); - ext2fs_free_block_bitmap(fs->block_map); - ext2fs_free_inode_bitmap(fs->inode_map); - - ext2fs_badblocks_list_free(fs->badblocks); - fs->badblocks = 0; - - ext2fs_free_dblist(fs->dblist); - - if (fs->icache) - ext2fs_free_inode_cache(fs->icache); - - fs->magic = 0; - - ext2fs_free_mem(&fs); -} - -void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap) -{ - if (!bitmap || (bitmap->magic != EXT2_ET_MAGIC_GENERIC_BITMAP)) - return; - - bitmap->magic = 0; - ext2fs_free_mem(&bitmap->description); - ext2fs_free_mem(&bitmap->bitmap); - ext2fs_free_mem(&bitmap); -} - -void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap) -{ - if (!bitmap || (bitmap->magic != EXT2_ET_MAGIC_INODE_BITMAP)) - return; - - bitmap->magic = EXT2_ET_MAGIC_GENERIC_BITMAP; - ext2fs_free_generic_bitmap(bitmap); -} - -void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap) -{ - if (!bitmap || (bitmap->magic != EXT2_ET_MAGIC_BLOCK_BITMAP)) - return; - - bitmap->magic = EXT2_ET_MAGIC_GENERIC_BITMAP; - ext2fs_free_generic_bitmap(bitmap); -} - -/* - * Free the inode cache structure - */ -static void ext2fs_free_inode_cache(struct ext2_inode_cache *icache) -{ - if (--icache->refcount) - return; - ext2fs_free_mem(&icache->buffer); - ext2fs_free_mem(&icache->cache); - icache->buffer_blk = 0; - ext2fs_free_mem(&icache); -} - -/* - * This procedure frees a badblocks list. - */ -void ext2fs_u32_list_free(ext2_u32_list bb) -{ - if (!bb || bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST) - return; - - ext2fs_free_mem(&bb->list); - ext2fs_free_mem(&bb); -} - -void ext2fs_badblocks_list_free(ext2_badblocks_list bb) -{ - ext2fs_u32_list_free((ext2_u32_list) bb); -} - - -/* - * Free a directory block list - */ -void ext2fs_free_dblist(ext2_dblist dblist) -{ - if (!dblist || (dblist->magic != EXT2_ET_MAGIC_DBLIST)) - return; - - ext2fs_free_mem(&dblist->list); - if (dblist->fs && dblist->fs->dblist == dblist) - dblist->fs->dblist = 0; - dblist->magic = 0; - ext2fs_free_mem(&dblist); -} - diff --git a/e2fsprogs/ext2fs/gen_bitmap.c b/e2fsprogs/ext2fs/gen_bitmap.c deleted file mode 100644 index d0869c9..0000000 --- a/e2fsprogs/ext2fs/gen_bitmap.c +++ /dev/null @@ -1,49 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * gen_bitmap.c --- Generic bitmap routines that used to be inlined. - * - * Copyright (C) 2001 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -int ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap, - __u32 bitno) -{ - if ((bitno < bitmap->start) || (bitno > bitmap->end)) { - ext2fs_warn_bitmap2(bitmap, EXT2FS_MARK_ERROR, bitno); - return 0; - } - return ext2fs_set_bit(bitno - bitmap->start, bitmap->bitmap); -} - -int ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap, - blk_t bitno) -{ - if ((bitno < bitmap->start) || (bitno > bitmap->end)) { - ext2fs_warn_bitmap2(bitmap, EXT2FS_UNMARK_ERROR, bitno); - return 0; - } - return ext2fs_clear_bit(bitno - bitmap->start, bitmap->bitmap); -} diff --git a/e2fsprogs/ext2fs/get_pathname.c b/e2fsprogs/ext2fs/get_pathname.c deleted file mode 100644 index a98b2b9..0000000 --- a/e2fsprogs/ext2fs/get_pathname.c +++ /dev/null @@ -1,157 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * get_pathname.c --- do directry/inode -> name translation - * - * Copyright (C) 1993, 1994, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - * - * ext2fs_get_pathname(fs, dir, ino, name) - * - * This function translates takes two inode numbers into a - * string, placing the result in <name>. <dir> is the containing - * directory inode, and <ino> is the inode number itself. If - * <ino> is zero, then ext2fs_get_pathname will return pathname - * of the the directory <dir>. - * - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct get_pathname_struct { - ext2_ino_t search_ino; - ext2_ino_t parent; - char *name; - errcode_t errcode; -}; - -#ifdef __TURBOC__ -# pragma argsused -#endif -static int get_pathname_proc(struct ext2_dir_entry *dirent, - int offset EXT2FS_ATTR((unused)), - int blocksize EXT2FS_ATTR((unused)), - char *buf EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct get_pathname_struct *gp; - errcode_t retval; - - gp = (struct get_pathname_struct *) priv_data; - - if (((dirent->name_len & 0xFF) == 2) && - !strncmp(dirent->name, "..", 2)) - gp->parent = dirent->inode; - if (dirent->inode == gp->search_ino) { - retval = ext2fs_get_mem((dirent->name_len & 0xFF) + 1, - &gp->name); - if (retval) { - gp->errcode = retval; - return DIRENT_ABORT; - } - strncpy(gp->name, dirent->name, (dirent->name_len & 0xFF)); - gp->name[dirent->name_len & 0xFF] = '\0'; - return DIRENT_ABORT; - } - return 0; -} - -static errcode_t ext2fs_get_pathname_int(ext2_filsys fs, ext2_ino_t dir, - ext2_ino_t ino, int maxdepth, - char *buf, char **name) -{ - struct get_pathname_struct gp; - char *parent_name, *ret; - errcode_t retval; - - if (dir == ino) { - retval = ext2fs_get_mem(2, name); - if (retval) - return retval; - strcpy(*name, (dir == EXT2_ROOT_INO) ? "/" : "."); - return 0; - } - - if (!dir || (maxdepth < 0)) { - retval = ext2fs_get_mem(4, name); - if (retval) - return retval; - strcpy(*name, "..."); - return 0; - } - - gp.search_ino = ino; - gp.parent = 0; - gp.name = 0; - gp.errcode = 0; - - retval = ext2fs_dir_iterate(fs, dir, 0, buf, get_pathname_proc, &gp); - if (retval) - goto cleanup; - if (gp.errcode) { - retval = gp.errcode; - goto cleanup; - } - - retval = ext2fs_get_pathname_int(fs, gp.parent, dir, maxdepth-1, - buf, &parent_name); - if (retval) - goto cleanup; - if (!ino) { - *name = parent_name; - return 0; - } - - if (gp.name) - retval = ext2fs_get_mem(strlen(parent_name)+strlen(gp.name)+2, - &ret); - else - retval = ext2fs_get_mem(strlen(parent_name)+5, &ret); - if (retval) - goto cleanup; - - ret[0] = 0; - if (parent_name[1]) - strcat(ret, parent_name); - strcat(ret, "/"); - if (gp.name) - strcat(ret, gp.name); - else - strcat(ret, "???"); - *name = ret; - ext2fs_free_mem(&parent_name); - retval = 0; - -cleanup: - ext2fs_free_mem(&gp.name); - return retval; -} - -errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino, - char **name) -{ - char *buf; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - if (dir == ino) - ino = 0; - retval = ext2fs_get_pathname_int(fs, dir, ino, 32, buf, name); - ext2fs_free_mem(&buf); - return retval; - -} diff --git a/e2fsprogs/ext2fs/getsectsize.c b/e2fsprogs/ext2fs/getsectsize.c deleted file mode 100644 index 163ec65..0000000 --- a/e2fsprogs/ext2fs/getsectsize.c +++ /dev/null @@ -1,58 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * getsectsize.c --- get the sector size of a device. - * - * Copyright (C) 1995, 1995 Theodore Ts'o. - * Copyright (C) 2003 VMware, Inc. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#include <fcntl.h> -#ifdef HAVE_LINUX_FD_H -#include <sys/ioctl.h> -#include <linux/fd.h> -#endif - -#if defined(__linux__) && defined(_IO) && !defined(BLKSSZGET) -#define BLKSSZGET _IO(0x12,104)/* get block device sector size */ -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * Returns the number of blocks in a partition - */ -errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize) -{ - int fd; - -#ifdef CONFIG_LFS - fd = open64(file, O_RDONLY); -#else - fd = open(file, O_RDONLY); -#endif - if (fd < 0) - return errno; - -#ifdef BLKSSZGET - if (ioctl(fd, BLKSSZGET, sectsize) >= 0) { - close(fd); - return 0; - } -#endif - *sectsize = 0; - close(fd); - return 0; -} diff --git a/e2fsprogs/ext2fs/getsize.c b/e2fsprogs/ext2fs/getsize.c deleted file mode 100644 index 516886c..0000000 --- a/e2fsprogs/ext2fs/getsize.c +++ /dev/null @@ -1,291 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * getsize.c --- get the size of a partition. - * - * Copyright (C) 1995, 1995 Theodore Ts'o. - * Copyright (C) 2003 VMware, Inc. - * - * Windows version of ext2fs_get_device_size by Chris Li, VMware. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#include <fcntl.h> -#ifdef HAVE_SYS_IOCTL_H -#include <sys/ioctl.h> -#endif -#ifdef HAVE_LINUX_FD_H -#include <linux/fd.h> -#endif -#ifdef HAVE_SYS_DISKLABEL_H -#include <sys/disklabel.h> -#endif -#ifdef HAVE_SYS_DISK_H -#ifdef HAVE_SYS_QUEUE_H -#include <sys/queue.h> /* for LIST_HEAD */ -#endif -#include <sys/disk.h> -#endif -#ifdef __linux__ -#include <sys/utsname.h> -#endif - -#if defined(__linux__) && defined(_IO) && !defined(BLKGETSIZE) -#define BLKGETSIZE _IO(0x12,96) /* return device size */ -#endif - -#if defined(__linux__) && defined(_IOR) && !defined(BLKGETSIZE64) -#define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size in bytes (u64 *arg) */ -#endif - -#ifdef APPLE_DARWIN -#define BLKGETSIZE DKIOCGETBLOCKCOUNT32 -#endif /* APPLE_DARWIN */ - -#include "ext2_fs.h" -#include "ext2fs.h" - -#if defined(__CYGWIN__) || defined (WIN32) -#include <windows.h> -#include <winioctl.h> - -#if (_WIN32_WINNT >= 0x0500) -#define HAVE_GET_FILE_SIZE_EX 1 -#endif - -errcode_t ext2fs_get_device_size(const char *file, int blocksize, - blk_t *retblocks) -{ - HANDLE dev; - PARTITION_INFORMATION pi; - DISK_GEOMETRY gi; - DWORD retbytes; -#ifdef HAVE_GET_FILE_SIZE_EX - LARGE_INTEGER filesize; -#else - DWORD filesize; -#endif /* HAVE_GET_FILE_SIZE_EX */ - - dev = CreateFile(file, GENERIC_READ, - FILE_SHARE_READ | FILE_SHARE_WRITE , - NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); - - if (dev == INVALID_HANDLE_VALUE) - return EBADF; - if (DeviceIoControl(dev, IOCTL_DISK_GET_PARTITION_INFO, - &pi, sizeof(PARTITION_INFORMATION), - &pi, sizeof(PARTITION_INFORMATION), - &retbytes, NULL)) { - - *retblocks = pi.PartitionLength.QuadPart / blocksize; - - } else if (DeviceIoControl(dev, IOCTL_DISK_GET_DRIVE_GEOMETRY, - &gi, sizeof(DISK_GEOMETRY), - &gi, sizeof(DISK_GEOMETRY), - &retbytes, NULL)) { - - *retblocks = gi.BytesPerSector * - gi.SectorsPerTrack * - gi.TracksPerCylinder * - gi.Cylinders.QuadPart / blocksize; - -#ifdef HAVE_GET_FILE_SIZE_EX - } else if (GetFileSizeEx(dev, &filesize)) { - *retblocks = filesize.QuadPart / blocksize; - } -#else - } else { - filesize = GetFileSize(dev, NULL); - if (INVALID_FILE_SIZE != filesize) { - *retblocks = filesize / blocksize; - } - } -#endif /* HAVE_GET_FILE_SIZE_EX */ - - CloseHandle(dev); - return 0; -} - -#else - -static int valid_offset (int fd, ext2_loff_t offset) -{ - char ch; - - if (ext2fs_llseek (fd, offset, 0) < 0) - return 0; - if (read (fd, &ch, 1) < 1) - return 0; - return 1; -} - -/* - * Returns the number of blocks in a partition - */ -errcode_t ext2fs_get_device_size(const char *file, int blocksize, - blk_t *retblocks) -{ - int fd; - int valid_blkgetsize64 = 1; -#ifdef __linux__ - struct utsname ut; -#endif - unsigned long long size64; - unsigned long size; - ext2_loff_t high, low; -#ifdef FDGETPRM - struct floppy_struct this_floppy; -#endif -#ifdef HAVE_SYS_DISKLABEL_H - int part; - struct disklabel lab; - struct partition *pp; - char ch; -#endif /* HAVE_SYS_DISKLABEL_H */ - -#ifdef CONFIG_LFS - fd = open64(file, O_RDONLY); -#else - fd = open(file, O_RDONLY); -#endif - if (fd < 0) - return errno; - -#ifdef DKIOCGETBLOCKCOUNT /* For Apple Darwin */ - if (ioctl(fd, DKIOCGETBLOCKCOUNT, &size64) >= 0) { - if ((sizeof(*retblocks) < sizeof(unsigned long long)) - && ((size64 / (blocksize / 512)) > 0xFFFFFFFF)) - return EFBIG; - close(fd); - *retblocks = size64 / (blocksize / 512); - return 0; - } -#endif - -#ifdef BLKGETSIZE64 -#ifdef __linux__ - if ((uname(&ut) == 0) && - ((ut.release[0] == '2') && (ut.release[1] == '.') && - (ut.release[2] < '6') && (ut.release[3] == '.'))) - valid_blkgetsize64 = 0; -#endif - if (valid_blkgetsize64 && - ioctl(fd, BLKGETSIZE64, &size64) >= 0) { - if ((sizeof(*retblocks) < sizeof(unsigned long long)) - && ((size64 / blocksize) > 0xFFFFFFFF)) - return EFBIG; - close(fd); - *retblocks = size64 / blocksize; - return 0; - } -#endif - -#ifdef BLKGETSIZE - if (ioctl(fd, BLKGETSIZE, &size) >= 0) { - close(fd); - *retblocks = size / (blocksize / 512); - return 0; - } -#endif - -#ifdef FDGETPRM - if (ioctl(fd, FDGETPRM, &this_floppy) >= 0) { - close(fd); - *retblocks = this_floppy.size / (blocksize / 512); - return 0; - } -#endif - -#ifdef HAVE_SYS_DISKLABEL_H -#if defined(DIOCGMEDIASIZE) - { - off_t ms; - u_int bs; - if (ioctl(fd, DIOCGMEDIASIZE, &ms) >= 0) { - *retblocks = ms / blocksize; - return 0; - } - } -#elif defined(DIOCGDINFO) - /* old disklabel interface */ - part = strlen(file) - 1; - if (part >= 0) { - ch = file[part]; - if (isdigit(ch)) - part = 0; - else if (ch >= 'a' && ch <= 'h') - part = ch - 'a'; - else - part = -1; - } - if (part >= 0 && (ioctl(fd, DIOCGDINFO, (char *)&lab) >= 0)) { - pp = &lab.d_partitions[part]; - if (pp->p_size) { - close(fd); - *retblocks = pp->p_size / (blocksize / 512); - return 0; - } - } -#endif /* defined(DIOCG*) */ -#endif /* HAVE_SYS_DISKLABEL_H */ - - /* - * OK, we couldn't figure it out by using a specialized ioctl, - * which is generally the best way. So do binary search to - * find the size of the partition. - */ - low = 0; - for (high = 1024; valid_offset (fd, high); high *= 2) - low = high; - while (low < high - 1) - { - const ext2_loff_t mid = (low + high) / 2; - - if (valid_offset (fd, mid)) - low = mid; - else - high = mid; - } - valid_offset (fd, 0); - close(fd); - size64 = low + 1; - if ((sizeof(*retblocks) < sizeof(unsigned long long)) - && ((size64 / blocksize) > 0xFFFFFFFF)) - return EFBIG; - *retblocks = size64 / blocksize; - return 0; -} - -#endif /* WIN32 */ - -#ifdef DEBUG -int main(int argc, char **argv) -{ - blk_t blocks; - int retval; - - if (argc < 2) { - fprintf(stderr, "Usage: %s device\n", argv[0]); - exit(1); - } - - retval = ext2fs_get_device_size(argv[1], 1024, &blocks); - if (retval) { - com_err(argv[0], retval, - "while calling ext2fs_get_device_size"); - exit(1); - } - printf("Device %s has %d 1k blocks.\n", argv[1], blocks); - exit(0); -} -#endif diff --git a/e2fsprogs/ext2fs/icount.c b/e2fsprogs/ext2fs/icount.c deleted file mode 100644 index 7ab5f51..0000000 --- a/e2fsprogs/ext2fs/icount.c +++ /dev/null @@ -1,467 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * icount.c --- an efficient inode count abstraction - * - * Copyright (C) 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <string.h> -#include <stdio.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * The data storage strategy used by icount relies on the observation - * that most inode counts are either zero (for non-allocated inodes), - * one (for most files), and only a few that are two or more - * (directories and files that are linked to more than one directory). - * - * Also, e2fsck tends to load the icount data sequentially. - * - * So, we use an inode bitmap to indicate which inodes have a count of - * one, and then use a sorted list to store the counts for inodes - * which are greater than one. - * - * We also use an optional bitmap to indicate which inodes are already - * in the sorted list, to speed up the use of this abstraction by - * e2fsck's pass 2. Pass 2 increments inode counts as it finds them, - * so this extra bitmap avoids searching the sorted list to see if a - * particular inode is on the sorted list already. - */ - -struct ext2_icount_el { - ext2_ino_t ino; - __u16 count; -}; - -struct ext2_icount { - errcode_t magic; - ext2fs_inode_bitmap single; - ext2fs_inode_bitmap multiple; - ext2_ino_t count; - ext2_ino_t size; - ext2_ino_t num_inodes; - ext2_ino_t cursor; - struct ext2_icount_el *list; -}; - -void ext2fs_free_icount(ext2_icount_t icount) -{ - if (!icount) - return; - - icount->magic = 0; - ext2fs_free_mem(&icount->list); - ext2fs_free_inode_bitmap(icount->single); - ext2fs_free_inode_bitmap(icount->multiple); - ext2fs_free_mem(&icount); -} - -errcode_t ext2fs_create_icount2(ext2_filsys fs, int flags, unsigned int size, - ext2_icount_t hint, ext2_icount_t *ret) -{ - ext2_icount_t icount; - errcode_t retval; - size_t bytes; - ext2_ino_t i; - - if (hint) { - EXT2_CHECK_MAGIC(hint, EXT2_ET_MAGIC_ICOUNT); - if (hint->size > size) - size = (size_t) hint->size; - } - - retval = ext2fs_get_mem(sizeof(struct ext2_icount), &icount); - if (retval) - return retval; - memset(icount, 0, sizeof(struct ext2_icount)); - - retval = ext2fs_allocate_inode_bitmap(fs, 0, - &icount->single); - if (retval) - goto errout; - - if (flags & EXT2_ICOUNT_OPT_INCREMENT) { - retval = ext2fs_allocate_inode_bitmap(fs, 0, - &icount->multiple); - if (retval) - goto errout; - } else - icount->multiple = 0; - - if (size) { - icount->size = size; - } else { - /* - * Figure out how many special case inode counts we will - * have. We know we will need one for each directory; - * we also need to reserve some extra room for file links - */ - retval = ext2fs_get_num_dirs(fs, &icount->size); - if (retval) - goto errout; - icount->size += fs->super->s_inodes_count / 50; - } - - bytes = (size_t) (icount->size * sizeof(struct ext2_icount_el)); - retval = ext2fs_get_mem(bytes, &icount->list); - if (retval) - goto errout; - memset(icount->list, 0, bytes); - - icount->magic = EXT2_ET_MAGIC_ICOUNT; - icount->count = 0; - icount->cursor = 0; - icount->num_inodes = fs->super->s_inodes_count; - - /* - * Populate the sorted list with those entries which were - * found in the hint icount (since those are ones which will - * likely need to be in the sorted list this time around). - */ - if (hint) { - for (i=0; i < hint->count; i++) - icount->list[i].ino = hint->list[i].ino; - icount->count = hint->count; - } - - *ret = icount; - return 0; - -errout: - ext2fs_free_icount(icount); - return retval; -} - -errcode_t ext2fs_create_icount(ext2_filsys fs, int flags, - unsigned int size, - ext2_icount_t *ret) -{ - return ext2fs_create_icount2(fs, flags, size, 0, ret); -} - -/* - * insert_icount_el() --- Insert a new entry into the sorted list at a - * specified position. - */ -static struct ext2_icount_el *insert_icount_el(ext2_icount_t icount, - ext2_ino_t ino, int pos) -{ - struct ext2_icount_el *el; - errcode_t retval; - ext2_ino_t new_size = 0; - int num; - - if (icount->count >= icount->size) { - if (icount->count) { - new_size = icount->list[(unsigned)icount->count-1].ino; - new_size = (ext2_ino_t) (icount->count * - ((float) icount->num_inodes / new_size)); - } - if (new_size < (icount->size + 100)) - new_size = icount->size + 100; - retval = ext2fs_resize_mem((size_t) icount->size * - sizeof(struct ext2_icount_el), - (size_t) new_size * - sizeof(struct ext2_icount_el), - &icount->list); - if (retval) - return 0; - icount->size = new_size; - } - num = (int) icount->count - pos; - if (num < 0) - return 0; /* should never happen */ - if (num) { - memmove(&icount->list[pos+1], &icount->list[pos], - sizeof(struct ext2_icount_el) * num); - } - icount->count++; - el = &icount->list[pos]; - el->count = 0; - el->ino = ino; - return el; -} - -/* - * get_icount_el() --- given an inode number, try to find icount - * information in the sorted list. If the create flag is set, - * and we can't find an entry, create one in the sorted list. - */ -static struct ext2_icount_el *get_icount_el(ext2_icount_t icount, - ext2_ino_t ino, int create) -{ - float range; - int low, high, mid; - ext2_ino_t lowval, highval; - - if (!icount || !icount->list) - return 0; - - if (create && ((icount->count == 0) || - (ino > icount->list[(unsigned)icount->count-1].ino))) { - return insert_icount_el(icount, ino, (unsigned) icount->count); - } - if (icount->count == 0) - return 0; - - if (icount->cursor >= icount->count) - icount->cursor = 0; - if (ino == icount->list[icount->cursor].ino) - return &icount->list[icount->cursor++]; - low = 0; - high = (int) icount->count-1; - while (low <= high) { - if (low == high) - mid = low; - else { - /* Interpolate for efficiency */ - lowval = icount->list[low].ino; - highval = icount->list[high].ino; - - if (ino < lowval) - range = 0; - else if (ino > highval) - range = 1; - else - range = ((float) (ino - lowval)) / - (highval - lowval); - mid = low + ((int) (range * (high-low))); - } - if (ino == icount->list[mid].ino) { - icount->cursor = mid+1; - return &icount->list[mid]; - } - if (ino < icount->list[mid].ino) - high = mid-1; - else - low = mid+1; - } - /* - * If we need to create a new entry, it should be right at - * low (where high will be left at low-1). - */ - if (create) - return insert_icount_el(icount, ino, low); - return 0; -} - -errcode_t ext2fs_icount_validate(ext2_icount_t icount, FILE *out) -{ - errcode_t ret = 0; - unsigned int i; - const char *bad = "bad icount"; - - EXT2_CHECK_MAGIC(icount, EXT2_ET_MAGIC_ICOUNT); - - if (icount->count > icount->size) { - fprintf(out, "%s: count > size\n", bad); - return EXT2_ET_INVALID_ARGUMENT; - } - for (i=1; i < icount->count; i++) { - if (icount->list[i-1].ino >= icount->list[i].ino) { - fprintf(out, "%s: list[%d].ino=%u, list[%d].ino=%u\n", - bad, i-1, icount->list[i-1].ino, - i, icount->list[i].ino); - ret = EXT2_ET_INVALID_ARGUMENT; - } - } - return ret; -} - -errcode_t ext2fs_icount_fetch(ext2_icount_t icount, ext2_ino_t ino, __u16 *ret) -{ - struct ext2_icount_el *el; - - EXT2_CHECK_MAGIC(icount, EXT2_ET_MAGIC_ICOUNT); - - if (!ino || (ino > icount->num_inodes)) - return EXT2_ET_INVALID_ARGUMENT; - - if (ext2fs_test_inode_bitmap(icount->single, ino)) { - *ret = 1; - return 0; - } - if (icount->multiple && - !ext2fs_test_inode_bitmap(icount->multiple, ino)) { - *ret = 0; - return 0; - } - el = get_icount_el(icount, ino, 0); - if (!el) { - *ret = 0; - return 0; - } - *ret = el->count; - return 0; -} - -errcode_t ext2fs_icount_increment(ext2_icount_t icount, ext2_ino_t ino, - __u16 *ret) -{ - struct ext2_icount_el *el; - - EXT2_CHECK_MAGIC(icount, EXT2_ET_MAGIC_ICOUNT); - - if (!ino || (ino > icount->num_inodes)) - return EXT2_ET_INVALID_ARGUMENT; - - if (ext2fs_test_inode_bitmap(icount->single, ino)) { - /* - * If the existing count is 1, then we know there is - * no entry in the list. - */ - el = get_icount_el(icount, ino, 1); - if (!el) - return EXT2_ET_NO_MEMORY; - ext2fs_unmark_inode_bitmap(icount->single, ino); - el->count = 2; - } else if (icount->multiple) { - /* - * The count is either zero or greater than 1; if the - * inode is set in icount->multiple, then there should - * be an entry in the list, so find it using - * get_icount_el(). - */ - if (ext2fs_test_inode_bitmap(icount->multiple, ino)) { - el = get_icount_el(icount, ino, 1); - if (!el) - return EXT2_ET_NO_MEMORY; - el->count++; - } else { - /* - * The count was zero; mark the single bitmap - * and return. - */ - zero_count: - ext2fs_mark_inode_bitmap(icount->single, ino); - if (ret) - *ret = 1; - return 0; - } - } else { - /* - * The count is either zero or greater than 1; try to - * find an entry in the list to determine which. - */ - el = get_icount_el(icount, ino, 0); - if (!el) { - /* No entry means the count was zero */ - goto zero_count; - } - el = get_icount_el(icount, ino, 1); - if (!el) - return EXT2_ET_NO_MEMORY; - el->count++; - } - if (icount->multiple) - ext2fs_mark_inode_bitmap(icount->multiple, ino); - if (ret) - *ret = el->count; - return 0; -} - -errcode_t ext2fs_icount_decrement(ext2_icount_t icount, ext2_ino_t ino, - __u16 *ret) -{ - struct ext2_icount_el *el; - - if (!ino || (ino > icount->num_inodes)) - return EXT2_ET_INVALID_ARGUMENT; - - EXT2_CHECK_MAGIC(icount, EXT2_ET_MAGIC_ICOUNT); - - if (ext2fs_test_inode_bitmap(icount->single, ino)) { - ext2fs_unmark_inode_bitmap(icount->single, ino); - if (icount->multiple) - ext2fs_unmark_inode_bitmap(icount->multiple, ino); - else { - el = get_icount_el(icount, ino, 0); - if (el) - el->count = 0; - } - if (ret) - *ret = 0; - return 0; - } - - if (icount->multiple && - !ext2fs_test_inode_bitmap(icount->multiple, ino)) - return EXT2_ET_INVALID_ARGUMENT; - - el = get_icount_el(icount, ino, 0); - if (!el || el->count == 0) - return EXT2_ET_INVALID_ARGUMENT; - - el->count--; - if (el->count == 1) - ext2fs_mark_inode_bitmap(icount->single, ino); - if ((el->count == 0) && icount->multiple) - ext2fs_unmark_inode_bitmap(icount->multiple, ino); - - if (ret) - *ret = el->count; - return 0; -} - -errcode_t ext2fs_icount_store(ext2_icount_t icount, ext2_ino_t ino, - __u16 count) -{ - struct ext2_icount_el *el; - - if (!ino || (ino > icount->num_inodes)) - return EXT2_ET_INVALID_ARGUMENT; - - EXT2_CHECK_MAGIC(icount, EXT2_ET_MAGIC_ICOUNT); - - if (count == 1) { - ext2fs_mark_inode_bitmap(icount->single, ino); - if (icount->multiple) - ext2fs_unmark_inode_bitmap(icount->multiple, ino); - return 0; - } - if (count == 0) { - ext2fs_unmark_inode_bitmap(icount->single, ino); - if (icount->multiple) { - /* - * If the icount->multiple bitmap is enabled, - * we can just clear both bitmaps and we're done - */ - ext2fs_unmark_inode_bitmap(icount->multiple, ino); - } else { - el = get_icount_el(icount, ino, 0); - if (el) - el->count = 0; - } - return 0; - } - - /* - * Get the icount element - */ - el = get_icount_el(icount, ino, 1); - if (!el) - return EXT2_ET_NO_MEMORY; - el->count = count; - ext2fs_unmark_inode_bitmap(icount->single, ino); - if (icount->multiple) - ext2fs_mark_inode_bitmap(icount->multiple, ino); - return 0; -} - -ext2_ino_t ext2fs_get_icount_size(ext2_icount_t icount) -{ - if (!icount || icount->magic != EXT2_ET_MAGIC_ICOUNT) - return 0; - - return icount->size; -} diff --git a/e2fsprogs/ext2fs/imager.c b/e2fsprogs/ext2fs/imager.c deleted file mode 100644 index e82321e..0000000 --- a/e2fsprogs/ext2fs/imager.c +++ /dev/null @@ -1,377 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * image.c --- writes out the critical parts of the filesystem as a - * flat file. - * - * Copyright (C) 2000 Theodore Ts'o. - * - * Note: this uses the POSIX IO interfaces, unlike most of the other - * functions in this library. So sue me. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -#ifndef HAVE_TYPE_SSIZE_T -typedef int ssize_t; -#endif - -/* - * This function returns 1 if the specified block is all zeros - */ -static int check_zero_block(char *buf, int blocksize) -{ - char *cp = buf; - int left = blocksize; - - while (left > 0) { - if (*cp++) - return 0; - left--; - } - return 1; -} - -/* - * Write the inode table out as a single block. - */ -#define BUF_BLOCKS 32 - -errcode_t ext2fs_image_inode_write(ext2_filsys fs, int fd, int flags) -{ - unsigned int group, left, c, d; - char *buf, *cp; - blk_t blk; - ssize_t actual; - errcode_t retval; - - buf = xmalloc(fs->blocksize * BUF_BLOCKS); - - for (group = 0; group < fs->group_desc_count; group++) { - blk = fs->group_desc[(unsigned)group].bg_inode_table; - if (!blk) - return EXT2_ET_MISSING_INODE_TABLE; - left = fs->inode_blocks_per_group; - while (left) { - c = BUF_BLOCKS; - if (c > left) - c = left; - retval = io_channel_read_blk(fs->io, blk, c, buf); - if (retval) - goto errout; - cp = buf; - while (c) { - if (!(flags & IMAGER_FLAG_SPARSEWRITE)) { - d = c; - goto skip_sparse; - } - /* Skip zero blocks */ - if (check_zero_block(cp, fs->blocksize)) { - c--; - blk++; - left--; - cp += fs->blocksize; - lseek(fd, fs->blocksize, SEEK_CUR); - continue; - } - /* Find non-zero blocks */ - for (d=1; d < c; d++) { - if (check_zero_block(cp + d*fs->blocksize, fs->blocksize)) - break; - } - skip_sparse: - actual = write(fd, cp, fs->blocksize * d); - if (actual == -1) { - retval = errno; - goto errout; - } - if (actual != (ssize_t) (fs->blocksize * d)) { - retval = EXT2_ET_SHORT_WRITE; - goto errout; - } - blk += d; - left -= d; - cp += fs->blocksize * d; - c -= d; - } - } - } - retval = 0; - -errout: - free(buf); - return retval; -} - -/* - * Read in the inode table and stuff it into place - */ -errcode_t ext2fs_image_inode_read(ext2_filsys fs, int fd, - int flags EXT2FS_ATTR((unused))) -{ - unsigned int group, c, left; - char *buf; - blk_t blk; - ssize_t actual; - errcode_t retval; - - buf = xmalloc(fs->blocksize * BUF_BLOCKS); - - for (group = 0; group < fs->group_desc_count; group++) { - blk = fs->group_desc[(unsigned)group].bg_inode_table; - if (!blk) { - retval = EXT2_ET_MISSING_INODE_TABLE; - goto errout; - } - left = fs->inode_blocks_per_group; - while (left) { - c = BUF_BLOCKS; - if (c > left) - c = left; - actual = read(fd, buf, fs->blocksize * c); - if (actual == -1) { - retval = errno; - goto errout; - } - if (actual != (ssize_t) (fs->blocksize * c)) { - retval = EXT2_ET_SHORT_READ; - goto errout; - } - retval = io_channel_write_blk(fs->io, blk, c, buf); - if (retval) - goto errout; - - blk += c; - left -= c; - } - } - retval = ext2fs_flush_icache(fs); - -errout: - free(buf); - return retval; -} - -/* - * Write out superblock and group descriptors - */ -errcode_t ext2fs_image_super_write(ext2_filsys fs, int fd, - int flags EXT2FS_ATTR((unused))) -{ - char *buf, *cp; - ssize_t actual; - errcode_t retval; - - buf = xmalloc(fs->blocksize); - - /* - * Write out the superblock - */ - memset(buf, 0, fs->blocksize); - memcpy(buf, fs->super, SUPERBLOCK_SIZE); - actual = write(fd, buf, fs->blocksize); - if (actual == -1) { - retval = errno; - goto errout; - } - if (actual != (ssize_t) fs->blocksize) { - retval = EXT2_ET_SHORT_WRITE; - goto errout; - } - - /* - * Now write out the block group descriptors - */ - cp = (char *) fs->group_desc; - actual = write(fd, cp, fs->blocksize * fs->desc_blocks); - if (actual == -1) { - retval = errno; - goto errout; - } - if (actual != (ssize_t) (fs->blocksize * fs->desc_blocks)) { - retval = EXT2_ET_SHORT_WRITE; - goto errout; - } - - retval = 0; - -errout: - free(buf); - return retval; -} - -/* - * Read the superblock and group descriptors and overwrite them. - */ -errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, - int flags EXT2FS_ATTR((unused))) -{ - char *buf; - ssize_t actual, size; - errcode_t retval; - - size = fs->blocksize * (fs->group_desc_count + 1); - buf = xmalloc(size); - - /* - * Read it all in. - */ - actual = read(fd, buf, size); - if (actual == -1) { - retval = errno; - goto errout; - } - if (actual != size) { - retval = EXT2_ET_SHORT_READ; - goto errout; - } - - /* - * Now copy in the superblock and group descriptors - */ - memcpy(fs->super, buf, SUPERBLOCK_SIZE); - - memcpy(fs->group_desc, buf + fs->blocksize, - fs->blocksize * fs->group_desc_count); - - retval = 0; - -errout: - free(buf); - return retval; -} - -/* - * Write the block/inode bitmaps. - */ -errcode_t ext2fs_image_bitmap_write(ext2_filsys fs, int fd, int flags) -{ - char *ptr; - int c, size; - char zero_buf[1024]; - ssize_t actual; - errcode_t retval; - - if (flags & IMAGER_FLAG_INODEMAP) { - if (!fs->inode_map) { - retval = ext2fs_read_inode_bitmap(fs); - if (retval) - return retval; - } - ptr = fs->inode_map->bitmap; - size = (EXT2_INODES_PER_GROUP(fs->super) / 8); - } else { - if (!fs->block_map) { - retval = ext2fs_read_block_bitmap(fs); - if (retval) - return retval; - } - ptr = fs->block_map->bitmap; - size = EXT2_BLOCKS_PER_GROUP(fs->super) / 8; - } - size = size * fs->group_desc_count; - - actual = write(fd, ptr, size); - if (actual == -1) { - retval = errno; - goto errout; - } - if (actual != size) { - retval = EXT2_ET_SHORT_WRITE; - goto errout; - } - size = size % fs->blocksize; - memset(zero_buf, 0, sizeof(zero_buf)); - if (size) { - size = fs->blocksize - size; - while (size) { - c = size; - if (c > (int) sizeof(zero_buf)) - c = sizeof(zero_buf); - actual = write(fd, zero_buf, c); - if (actual == -1) { - retval = errno; - goto errout; - } - if (actual != c) { - retval = EXT2_ET_SHORT_WRITE; - goto errout; - } - size -= c; - } - } - retval = 0; -errout: - return retval; -} - - -/* - * Read the block/inode bitmaps. - */ -errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags) -{ - char *ptr, *buf = 0; - int size; - ssize_t actual; - errcode_t retval; - - if (flags & IMAGER_FLAG_INODEMAP) { - if (!fs->inode_map) { - retval = ext2fs_read_inode_bitmap(fs); - if (retval) - return retval; - } - ptr = fs->inode_map->bitmap; - size = (EXT2_INODES_PER_GROUP(fs->super) / 8); - } else { - if (!fs->block_map) { - retval = ext2fs_read_block_bitmap(fs); - if (retval) - return retval; - } - ptr = fs->block_map->bitmap; - size = EXT2_BLOCKS_PER_GROUP(fs->super) / 8; - } - size = size * fs->group_desc_count; - - buf = xmalloc(size); - - actual = read(fd, buf, size); - if (actual == -1) { - retval = errno; - goto errout; - } - if (actual != size) { - retval = EXT2_ET_SHORT_WRITE; - goto errout; - } - memcpy(ptr, buf, size); - - retval = 0; -errout: - free(buf); - return retval; -} diff --git a/e2fsprogs/ext2fs/ind_block.c b/e2fsprogs/ext2fs/ind_block.c deleted file mode 100644 index c86a1c5..0000000 --- a/e2fsprogs/ext2fs/ind_block.c +++ /dev/null @@ -1,71 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * ind_block.c --- indirect block I/O routines - * - * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - * 2001, 2002, 2003, 2004, 2005 by Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -errcode_t ext2fs_read_ind_block(ext2_filsys fs, blk_t blk, void *buf) -{ - errcode_t retval; -#if BB_BIG_ENDIAN - blk_t *block_nr; - int i; - int limit = fs->blocksize >> 2; -#endif - - if ((fs->flags & EXT2_FLAG_IMAGE_FILE) && - (fs->io != fs->image_io)) - memset(buf, 0, fs->blocksize); - else { - retval = io_channel_read_blk(fs->io, blk, 1, buf); - if (retval) - return retval; - } -#if BB_BIG_ENDIAN - if (fs->flags & (EXT2_FLAG_SWAP_BYTES | EXT2_FLAG_SWAP_BYTES_READ)) { - block_nr = (blk_t *) buf; - for (i = 0; i < limit; i++, block_nr++) - *block_nr = ext2fs_swab32(*block_nr); - } -#endif - return 0; -} - -errcode_t ext2fs_write_ind_block(ext2_filsys fs, blk_t blk, void *buf) -{ -#if BB_BIG_ENDIAN - blk_t *block_nr; - int i; - int limit = fs->blocksize >> 2; -#endif - - if (fs->flags & EXT2_FLAG_IMAGE_FILE) - return 0; - -#if BB_BIG_ENDIAN - if (fs->flags & (EXT2_FLAG_SWAP_BYTES | EXT2_FLAG_SWAP_BYTES_WRITE)) { - block_nr = (blk_t *) buf; - for (i = 0; i < limit; i++, block_nr++) - *block_nr = ext2fs_swab32(*block_nr); - } -#endif - return io_channel_write_blk(fs->io, blk, 1, buf); -} - - diff --git a/e2fsprogs/ext2fs/initialize.c b/e2fsprogs/ext2fs/initialize.c deleted file mode 100644 index ef1d343..0000000 --- a/e2fsprogs/ext2fs/initialize.c +++ /dev/null @@ -1,388 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * initialize.c --- initialize a filesystem handle given superblock - * parameters. Used by mke2fs when initializing a filesystem. - * - * Copyright (C) 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -#if defined(__linux__) && defined(EXT2_OS_LINUX) -#define CREATOR_OS EXT2_OS_LINUX -#else -#if defined(__GNU__) && defined(EXT2_OS_HURD) -#define CREATOR_OS EXT2_OS_HURD -#else -#if defined(__FreeBSD__) && defined(EXT2_OS_FREEBSD) -#define CREATOR_OS EXT2_OS_FREEBSD -#else -#if defined(LITES) && defined(EXT2_OS_LITES) -#define CREATOR_OS EXT2_OS_LITES -#else -#define CREATOR_OS EXT2_OS_LINUX /* by default */ -#endif /* defined(LITES) && defined(EXT2_OS_LITES) */ -#endif /* defined(__FreeBSD__) && defined(EXT2_OS_FREEBSD) */ -#endif /* defined(__GNU__) && defined(EXT2_OS_HURD) */ -#endif /* defined(__linux__) && defined(EXT2_OS_LINUX) */ - -/* - * Note we override the kernel include file's idea of what the default - * check interval (never) should be. It's a good idea to check at - * least *occasionally*, specially since servers will never rarely get - * to reboot, since Linux is so robust these days. :-) - * - * 180 days (six months) seems like a good value. - */ -#ifdef EXT2_DFL_CHECKINTERVAL -#undef EXT2_DFL_CHECKINTERVAL -#endif -#define EXT2_DFL_CHECKINTERVAL (86400L * 180L) - -/* - * Calculate the number of GDT blocks to reserve for online filesystem growth. - * The absolute maximum number of GDT blocks we can reserve is determined by - * the number of block pointers that can fit into a single block. - */ -static int calc_reserved_gdt_blocks(ext2_filsys fs) -{ - struct ext2_super_block *sb = fs->super; - unsigned long bpg = sb->s_blocks_per_group; - unsigned int gdpb = fs->blocksize / sizeof(struct ext2_group_desc); - unsigned long max_blocks = 0xffffffff; - unsigned long rsv_groups; - int rsv_gdb; - - /* We set it at 1024x the current filesystem size, or - * the upper block count limit (2^32), whichever is lower. - */ - if (sb->s_blocks_count < max_blocks / 1024) - max_blocks = sb->s_blocks_count * 1024; - rsv_groups = (max_blocks - sb->s_first_data_block + bpg - 1) / bpg; - rsv_gdb = (rsv_groups + gdpb - 1) / gdpb - fs->desc_blocks; - if (rsv_gdb > EXT2_ADDR_PER_BLOCK(sb)) - rsv_gdb = EXT2_ADDR_PER_BLOCK(sb); -#ifdef RES_GDT_DEBUG - printf("max_blocks %lu, rsv_groups = %lu, rsv_gdb = %lu\n", - max_blocks, rsv_groups, rsv_gdb); -#endif - - return rsv_gdb; -} - -errcode_t ext2fs_initialize(const char *name, int flags, - struct ext2_super_block *param, - io_manager manager, ext2_filsys *ret_fs) -{ - ext2_filsys fs; - errcode_t retval; - struct ext2_super_block *super; - int frags_per_block; - unsigned int rem; - unsigned int overhead = 0; - blk_t group_block; - unsigned int ipg; - dgrp_t i; - blk_t numblocks; - int rsv_gdt; - char *buf; - - if (!param || !param->s_blocks_count) - return EXT2_ET_INVALID_ARGUMENT; - - retval = ext2fs_get_mem(sizeof(struct struct_ext2_filsys), &fs); - if (retval) - return retval; - - memset(fs, 0, sizeof(struct struct_ext2_filsys)); - fs->magic = EXT2_ET_MAGIC_EXT2FS_FILSYS; - fs->flags = flags | EXT2_FLAG_RW; - fs->umask = 022; -#ifdef WORDS_BIGENDIAN - fs->flags |= EXT2_FLAG_SWAP_BYTES; -#endif - retval = manager->open(name, IO_FLAG_RW, &fs->io); - if (retval) - goto cleanup; - fs->image_io = fs->io; - fs->io->app_data = fs; - retval = ext2fs_get_mem(strlen(name)+1, &fs->device_name); - if (retval) - goto cleanup; - - strcpy(fs->device_name, name); - retval = ext2fs_get_mem(SUPERBLOCK_SIZE, &super); - if (retval) - goto cleanup; - fs->super = super; - - memset(super, 0, SUPERBLOCK_SIZE); - -#define set_field(field, default) (super->field = param->field ? \ - param->field : (default)) - - super->s_magic = EXT2_SUPER_MAGIC; - super->s_state = EXT2_VALID_FS; - - set_field(s_log_block_size, 0); /* default blocksize: 1024 bytes */ - set_field(s_log_frag_size, 0); /* default fragsize: 1024 bytes */ - set_field(s_first_data_block, super->s_log_block_size ? 0 : 1); - set_field(s_max_mnt_count, EXT2_DFL_MAX_MNT_COUNT); - set_field(s_errors, EXT2_ERRORS_DEFAULT); - set_field(s_feature_compat, 0); - set_field(s_feature_incompat, 0); - set_field(s_feature_ro_compat, 0); - set_field(s_first_meta_bg, 0); - if (super->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP) { - retval = EXT2_ET_UNSUPP_FEATURE; - goto cleanup; - } - if (super->s_feature_ro_compat & ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP) { - retval = EXT2_ET_RO_UNSUPP_FEATURE; - goto cleanup; - } - - set_field(s_rev_level, EXT2_GOOD_OLD_REV); - if (super->s_rev_level >= EXT2_DYNAMIC_REV) { - set_field(s_first_ino, EXT2_GOOD_OLD_FIRST_INO); - set_field(s_inode_size, EXT2_GOOD_OLD_INODE_SIZE); - } - - set_field(s_checkinterval, EXT2_DFL_CHECKINTERVAL); - super->s_mkfs_time = super->s_lastcheck = time(NULL); - - super->s_creator_os = CREATOR_OS; - - fs->blocksize = EXT2_BLOCK_SIZE(super); - fs->fragsize = EXT2_FRAG_SIZE(super); - frags_per_block = fs->blocksize / fs->fragsize; - - /* default: (fs->blocksize*8) blocks/group, up to 2^16 (GDT limit) */ - set_field(s_blocks_per_group, fs->blocksize * 8); - if (super->s_blocks_per_group > EXT2_MAX_BLOCKS_PER_GROUP(super)) - super->s_blocks_per_group = EXT2_MAX_BLOCKS_PER_GROUP(super); - super->s_frags_per_group = super->s_blocks_per_group * frags_per_block; - - super->s_blocks_count = param->s_blocks_count; - super->s_r_blocks_count = param->s_r_blocks_count; - if (super->s_r_blocks_count >= param->s_blocks_count) { - retval = EXT2_ET_INVALID_ARGUMENT; - goto cleanup; - } - - /* - * If we're creating an external journal device, we don't need - * to bother with the rest. - */ - if (super->s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { - fs->group_desc_count = 0; - ext2fs_mark_super_dirty(fs); - *ret_fs = fs; - return 0; - } - -retry: - fs->group_desc_count = (super->s_blocks_count - - super->s_first_data_block + - EXT2_BLOCKS_PER_GROUP(super) - 1) - / EXT2_BLOCKS_PER_GROUP(super); - if (fs->group_desc_count == 0) { - retval = EXT2_ET_TOOSMALL; - goto cleanup; - } - fs->desc_blocks = (fs->group_desc_count + - EXT2_DESC_PER_BLOCK(super) - 1) - / EXT2_DESC_PER_BLOCK(super); - - i = fs->blocksize >= 4096 ? 1 : 4096 / fs->blocksize; - set_field(s_inodes_count, super->s_blocks_count / i); - - /* - * Make sure we have at least EXT2_FIRST_INO + 1 inodes, so - * that we have enough inodes for the filesystem(!) - */ - if (super->s_inodes_count < EXT2_FIRST_INODE(super)+1) - super->s_inodes_count = EXT2_FIRST_INODE(super)+1; - - /* - * There should be at least as many inodes as the user - * requested. Figure out how many inodes per group that - * should be. But make sure that we don't allocate more than - * one bitmap's worth of inodes each group. - */ - ipg = (super->s_inodes_count + fs->group_desc_count - 1) / - fs->group_desc_count; - if (ipg > fs->blocksize * 8) { - if (super->s_blocks_per_group >= 256) { - /* Try again with slightly different parameters */ - super->s_blocks_per_group -= 8; - super->s_blocks_count = param->s_blocks_count; - super->s_frags_per_group = super->s_blocks_per_group * - frags_per_block; - goto retry; - } else - return EXT2_ET_TOO_MANY_INODES; - } - - if (ipg > (unsigned) EXT2_MAX_INODES_PER_GROUP(super)) - ipg = EXT2_MAX_INODES_PER_GROUP(super); - - super->s_inodes_per_group = ipg; - if (super->s_inodes_count > ipg * fs->group_desc_count) - super->s_inodes_count = ipg * fs->group_desc_count; - - /* - * Make sure the number of inodes per group completely fills - * the inode table blocks in the descriptor. If not, add some - * additional inodes/group. Waste not, want not... - */ - fs->inode_blocks_per_group = (((super->s_inodes_per_group * - EXT2_INODE_SIZE(super)) + - EXT2_BLOCK_SIZE(super) - 1) / - EXT2_BLOCK_SIZE(super)); - super->s_inodes_per_group = ((fs->inode_blocks_per_group * - EXT2_BLOCK_SIZE(super)) / - EXT2_INODE_SIZE(super)); - /* - * Finally, make sure the number of inodes per group is a - * multiple of 8. This is needed to simplify the bitmap - * splicing code. - */ - super->s_inodes_per_group &= ~7; - fs->inode_blocks_per_group = (((super->s_inodes_per_group * - EXT2_INODE_SIZE(super)) + - EXT2_BLOCK_SIZE(super) - 1) / - EXT2_BLOCK_SIZE(super)); - - /* - * adjust inode count to reflect the adjusted inodes_per_group - */ - super->s_inodes_count = super->s_inodes_per_group * - fs->group_desc_count; - super->s_free_inodes_count = super->s_inodes_count; - - /* - * check the number of reserved group descriptor table blocks - */ - if (super->s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) - rsv_gdt = calc_reserved_gdt_blocks(fs); - else - rsv_gdt = 0; - set_field(s_reserved_gdt_blocks, rsv_gdt); - if (super->s_reserved_gdt_blocks > EXT2_ADDR_PER_BLOCK(super)) { - retval = EXT2_ET_RES_GDT_BLOCKS; - goto cleanup; - } - - /* - * Overhead is the number of bookkeeping blocks per group. It - * includes the superblock backup, the group descriptor - * backups, the inode bitmap, the block bitmap, and the inode - * table. - */ - - overhead = (int) (2 + fs->inode_blocks_per_group); - - if (ext2fs_bg_has_super(fs, fs->group_desc_count - 1)) - overhead += 1 + fs->desc_blocks + super->s_reserved_gdt_blocks; - - /* This can only happen if the user requested too many inodes */ - if (overhead > super->s_blocks_per_group) - return EXT2_ET_TOO_MANY_INODES; - - /* - * See if the last group is big enough to support the - * necessary data structures. If not, we need to get rid of - * it. - */ - rem = ((super->s_blocks_count - super->s_first_data_block) % - super->s_blocks_per_group); - if ((fs->group_desc_count == 1) && rem && (rem < overhead)) - return EXT2_ET_TOOSMALL; - if (rem && (rem < overhead+50)) { - super->s_blocks_count -= rem; - goto retry; - } - - /* - * At this point we know how big the filesystem will be. So - * we can do any and all allocations that depend on the block - * count. - */ - - retval = ext2fs_get_mem(strlen(fs->device_name) + 80, &buf); - if (retval) - goto cleanup; - - sprintf(buf, "block bitmap for %s", fs->device_name); - retval = ext2fs_allocate_block_bitmap(fs, buf, &fs->block_map); - if (retval) - goto cleanup; - - sprintf(buf, "inode bitmap for %s", fs->device_name); - retval = ext2fs_allocate_inode_bitmap(fs, buf, &fs->inode_map); - if (retval) - goto cleanup; - - ext2fs_free_mem(&buf); - - retval = ext2fs_get_mem((size_t) fs->desc_blocks * fs->blocksize, - &fs->group_desc); - if (retval) - goto cleanup; - - memset(fs->group_desc, 0, (size_t) fs->desc_blocks * fs->blocksize); - - /* - * Reserve the superblock and group descriptors for each - * group, and fill in the correct group statistics for group. - * Note that although the block bitmap, inode bitmap, and - * inode table have not been allocated (and in fact won't be - * by this routine), they are accounted for nevertheless. - */ - group_block = super->s_first_data_block; - super->s_free_blocks_count = 0; - for (i = 0; i < fs->group_desc_count; i++) { - numblocks = ext2fs_reserve_super_and_bgd(fs, i, fs->block_map); - - super->s_free_blocks_count += numblocks; - fs->group_desc[i].bg_free_blocks_count = numblocks; - fs->group_desc[i].bg_free_inodes_count = - fs->super->s_inodes_per_group; - fs->group_desc[i].bg_used_dirs_count = 0; - - group_block += super->s_blocks_per_group; - } - - ext2fs_mark_super_dirty(fs); - ext2fs_mark_bb_dirty(fs); - ext2fs_mark_ib_dirty(fs); - - io_channel_set_blksize(fs->io, fs->blocksize); - - *ret_fs = fs; - return 0; -cleanup: - ext2fs_free(fs); - return retval; -} diff --git a/e2fsprogs/ext2fs/inline.c b/e2fsprogs/ext2fs/inline.c deleted file mode 100644 index 9b620a7..0000000 --- a/e2fsprogs/ext2fs/inline.c +++ /dev/null @@ -1,33 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * inline.c --- Includes the inlined functions defined in the header - * files as standalone functions, in case the application program - * is compiled with inlining turned off. - * - * Copyright (C) 1993, 1994 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#define INCLUDE_INLINE_FUNCS -#include "ext2fs.h" - diff --git a/e2fsprogs/ext2fs/inode.c b/e2fsprogs/ext2fs/inode.c deleted file mode 100644 index 2ff9fe6..0000000 --- a/e2fsprogs/ext2fs/inode.c +++ /dev/null @@ -1,768 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * inode.c --- utility routines to read and write inodes - * - * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fsP.h" -#include "e2image.h" - -struct ext2_struct_inode_scan { - errcode_t magic; - ext2_filsys fs; - ext2_ino_t current_inode; - blk_t current_block; - dgrp_t current_group; - ext2_ino_t inodes_left; - blk_t blocks_left; - dgrp_t groups_left; - blk_t inode_buffer_blocks; - char * inode_buffer; - int inode_size; - char * ptr; - int bytes_left; - char *temp_buffer; - errcode_t (*done_group)(ext2_filsys fs, - dgrp_t group, - void * priv_data); - void * done_group_data; - int bad_block_ptr; - int scan_flags; - int reserved[6]; -}; - -/* - * This routine flushes the icache, if it exists. - */ -errcode_t ext2fs_flush_icache(ext2_filsys fs) -{ - int i; - - if (!fs->icache) - return 0; - - for (i=0; i < fs->icache->cache_size; i++) - fs->icache->cache[i].ino = 0; - - fs->icache->buffer_blk = 0; - return 0; -} - -static errcode_t create_icache(ext2_filsys fs) -{ - errcode_t retval; - - if (fs->icache) - return 0; - retval = ext2fs_get_mem(sizeof(struct ext2_inode_cache), &fs->icache); - if (retval) - return retval; - - memset(fs->icache, 0, sizeof(struct ext2_inode_cache)); - retval = ext2fs_get_mem(fs->blocksize, &fs->icache->buffer); - if (retval) { - ext2fs_free_mem(&fs->icache); - return retval; - } - fs->icache->buffer_blk = 0; - fs->icache->cache_last = -1; - fs->icache->cache_size = 4; - fs->icache->refcount = 1; - retval = ext2fs_get_mem(sizeof(struct ext2_inode_cache_ent) - * fs->icache->cache_size, - &fs->icache->cache); - if (retval) { - ext2fs_free_mem(&fs->icache->buffer); - ext2fs_free_mem(&fs->icache); - return retval; - } - ext2fs_flush_icache(fs); - return 0; -} - -errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks, - ext2_inode_scan *ret_scan) -{ - ext2_inode_scan scan; - errcode_t retval; - errcode_t (*save_get_blocks)(ext2_filsys f, ext2_ino_t ino, blk_t *blocks); - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - /* - * If fs->badblocks isn't set, then set it --- since the inode - * scanning functions require it. - */ - if (fs->badblocks == 0) { - /* - * Temporarly save fs->get_blocks and set it to zero, - * for compatibility with old e2fsck's. - */ - save_get_blocks = fs->get_blocks; - fs->get_blocks = 0; - retval = ext2fs_read_bb_inode(fs, &fs->badblocks); - if (retval) { - ext2fs_badblocks_list_free(fs->badblocks); - fs->badblocks = 0; - } - fs->get_blocks = save_get_blocks; - } - - retval = ext2fs_get_mem(sizeof(struct ext2_struct_inode_scan), &scan); - if (retval) - return retval; - memset(scan, 0, sizeof(struct ext2_struct_inode_scan)); - - scan->magic = EXT2_ET_MAGIC_INODE_SCAN; - scan->fs = fs; - scan->inode_size = EXT2_INODE_SIZE(fs->super); - scan->bytes_left = 0; - scan->current_group = 0; - scan->groups_left = fs->group_desc_count - 1; - scan->inode_buffer_blocks = buffer_blocks ? buffer_blocks : 8; - scan->current_block = scan->fs-> - group_desc[scan->current_group].bg_inode_table; - scan->inodes_left = EXT2_INODES_PER_GROUP(scan->fs->super); - scan->blocks_left = scan->fs->inode_blocks_per_group; - retval = ext2fs_get_mem((size_t) (scan->inode_buffer_blocks * - fs->blocksize), - &scan->inode_buffer); - scan->done_group = 0; - scan->done_group_data = 0; - scan->bad_block_ptr = 0; - if (retval) { - ext2fs_free_mem(&scan); - return retval; - } - retval = ext2fs_get_mem(scan->inode_size, &scan->temp_buffer); - if (retval) { - ext2fs_free_mem(&scan->inode_buffer); - ext2fs_free_mem(&scan); - return retval; - } - if (scan->fs->badblocks && scan->fs->badblocks->num) - scan->scan_flags |= EXT2_SF_CHK_BADBLOCKS; - *ret_scan = scan; - return 0; -} - -void ext2fs_close_inode_scan(ext2_inode_scan scan) -{ - if (!scan || (scan->magic != EXT2_ET_MAGIC_INODE_SCAN)) - return; - - ext2fs_free_mem(&scan->inode_buffer); - scan->inode_buffer = NULL; - ext2fs_free_mem(&scan->temp_buffer); - scan->temp_buffer = NULL; - ext2fs_free_mem(&scan); - return; -} - -void ext2fs_set_inode_callback(ext2_inode_scan scan, - errcode_t (*done_group)(ext2_filsys fs, - dgrp_t group, - void * priv_data), - void *done_group_data) -{ - if (!scan || (scan->magic != EXT2_ET_MAGIC_INODE_SCAN)) - return; - - scan->done_group = done_group; - scan->done_group_data = done_group_data; -} - -int ext2fs_inode_scan_flags(ext2_inode_scan scan, int set_flags, - int clear_flags) -{ - int old_flags; - - if (!scan || (scan->magic != EXT2_ET_MAGIC_INODE_SCAN)) - return 0; - - old_flags = scan->scan_flags; - scan->scan_flags &= ~clear_flags; - scan->scan_flags |= set_flags; - return old_flags; -} - -/* - * This function is called by ext2fs_get_next_inode when it needs to - * get ready to read in a new blockgroup. - */ -static errcode_t get_next_blockgroup(ext2_inode_scan scan) -{ - scan->current_group++; - scan->groups_left--; - - scan->current_block = scan->fs-> - group_desc[scan->current_group].bg_inode_table; - - scan->current_inode = scan->current_group * - EXT2_INODES_PER_GROUP(scan->fs->super); - - scan->bytes_left = 0; - scan->inodes_left = EXT2_INODES_PER_GROUP(scan->fs->super); - scan->blocks_left = scan->fs->inode_blocks_per_group; - return 0; -} - -errcode_t ext2fs_inode_scan_goto_blockgroup(ext2_inode_scan scan, - int group) -{ - scan->current_group = group - 1; - scan->groups_left = scan->fs->group_desc_count - group; - return get_next_blockgroup(scan); -} - -/* - * This function is called by get_next_blocks() to check for bad - * blocks in the inode table. - * - * This function assumes that badblocks_list->list is sorted in - * increasing order. - */ -static errcode_t check_for_inode_bad_blocks(ext2_inode_scan scan, - blk_t *num_blocks) -{ - blk_t blk = scan->current_block; - badblocks_list bb = scan->fs->badblocks; - - /* - * If the inode table is missing, then obviously there are no - * bad blocks. :-) - */ - if (blk == 0) - return 0; - - /* - * If the current block is greater than the bad block listed - * in the bad block list, then advance the pointer until this - * is no longer the case. If we run out of bad blocks, then - * we don't need to do any more checking! - */ - while (blk > bb->list[scan->bad_block_ptr]) { - if (++scan->bad_block_ptr >= bb->num) { - scan->scan_flags &= ~EXT2_SF_CHK_BADBLOCKS; - return 0; - } - } - - /* - * If the current block is equal to the bad block listed in - * the bad block list, then handle that one block specially. - * (We could try to handle runs of bad blocks, but that - * only increases CPU efficiency by a small amount, at the - * expense of a huge expense of code complexity, and for an - * uncommon case at that.) - */ - if (blk == bb->list[scan->bad_block_ptr]) { - scan->scan_flags |= EXT2_SF_BAD_INODE_BLK; - *num_blocks = 1; - if (++scan->bad_block_ptr >= bb->num) - scan->scan_flags &= ~EXT2_SF_CHK_BADBLOCKS; - return 0; - } - - /* - * If there is a bad block in the range that we're about to - * read in, adjust the number of blocks to read so that we we - * don't read in the bad block. (Then the next block to read - * will be the bad block, which is handled in the above case.) - */ - if ((blk + *num_blocks) > bb->list[scan->bad_block_ptr]) - *num_blocks = (int) (bb->list[scan->bad_block_ptr] - blk); - - return 0; -} - -/* - * This function is called by ext2fs_get_next_inode when it needs to - * read in more blocks from the current blockgroup's inode table. - */ -static errcode_t get_next_blocks(ext2_inode_scan scan) -{ - blk_t num_blocks; - errcode_t retval; - - /* - * Figure out how many blocks to read; we read at most - * inode_buffer_blocks, and perhaps less if there aren't that - * many blocks left to read. - */ - num_blocks = scan->inode_buffer_blocks; - if (num_blocks > scan->blocks_left) - num_blocks = scan->blocks_left; - - /* - * If the past block "read" was a bad block, then mark the - * left-over extra bytes as also being bad. - */ - if (scan->scan_flags & EXT2_SF_BAD_INODE_BLK) { - if (scan->bytes_left) - scan->scan_flags |= EXT2_SF_BAD_EXTRA_BYTES; - scan->scan_flags &= ~EXT2_SF_BAD_INODE_BLK; - } - - /* - * Do inode bad block processing, if necessary. - */ - if (scan->scan_flags & EXT2_SF_CHK_BADBLOCKS) { - retval = check_for_inode_bad_blocks(scan, &num_blocks); - if (retval) - return retval; - } - - if ((scan->scan_flags & EXT2_SF_BAD_INODE_BLK) || - (scan->current_block == 0)) { - memset(scan->inode_buffer, 0, - (size_t) num_blocks * scan->fs->blocksize); - } else { - retval = io_channel_read_blk(scan->fs->io, - scan->current_block, - (int) num_blocks, - scan->inode_buffer); - if (retval) - return EXT2_ET_NEXT_INODE_READ; - } - scan->ptr = scan->inode_buffer; - scan->bytes_left = num_blocks * scan->fs->blocksize; - - scan->blocks_left -= num_blocks; - if (scan->current_block) - scan->current_block += num_blocks; - return 0; -} - -errcode_t ext2fs_get_next_inode_full(ext2_inode_scan scan, ext2_ino_t *ino, - struct ext2_inode *inode, int bufsize) -{ - errcode_t retval; - int extra_bytes = 0; - - EXT2_CHECK_MAGIC(scan, EXT2_ET_MAGIC_INODE_SCAN); - - /* - * Do we need to start reading a new block group? - */ - if (scan->inodes_left <= 0) { - force_new_group: - if (scan->done_group) { - retval = (scan->done_group) - (scan->fs, scan->current_group, - scan->done_group_data); - if (retval) - return retval; - } - if (scan->groups_left <= 0) { - *ino = 0; - return 0; - } - retval = get_next_blockgroup(scan); - if (retval) - return retval; - } - /* - * This is done outside the above if statement so that the - * check can be done for block group #0. - */ - if (scan->current_block == 0) { - if (scan->scan_flags & EXT2_SF_SKIP_MISSING_ITABLE) { - goto force_new_group; - } else - return EXT2_ET_MISSING_INODE_TABLE; - } - - - /* - * Have we run out of space in the inode buffer? If so, we - * need to read in more blocks. - */ - if (scan->bytes_left < scan->inode_size) { - memcpy(scan->temp_buffer, scan->ptr, scan->bytes_left); - extra_bytes = scan->bytes_left; - - retval = get_next_blocks(scan); - if (retval) - return retval; -#if 0 - /* - * XXX test Need check for used inode somehow. - * (Note: this is hard.) - */ - if (is_empty_scan(scan)) - goto force_new_group; -#endif - } - - retval = 0; - if (extra_bytes) { - memcpy(scan->temp_buffer+extra_bytes, scan->ptr, - scan->inode_size - extra_bytes); - scan->ptr += scan->inode_size - extra_bytes; - scan->bytes_left -= scan->inode_size - extra_bytes; - -#if BB_BIG_ENDIAN - if ((scan->fs->flags & EXT2_FLAG_SWAP_BYTES) || - (scan->fs->flags & EXT2_FLAG_SWAP_BYTES_READ)) - ext2fs_swap_inode_full(scan->fs, - (struct ext2_inode_large *) inode, - (struct ext2_inode_large *) scan->temp_buffer, - 0, bufsize); - else -#endif - *inode = *((struct ext2_inode *) scan->temp_buffer); - if (scan->scan_flags & EXT2_SF_BAD_EXTRA_BYTES) - retval = EXT2_ET_BAD_BLOCK_IN_INODE_TABLE; - scan->scan_flags &= ~EXT2_SF_BAD_EXTRA_BYTES; - } else { -#if BB_BIG_ENDIAN - if ((scan->fs->flags & EXT2_FLAG_SWAP_BYTES) || - (scan->fs->flags & EXT2_FLAG_SWAP_BYTES_READ)) - ext2fs_swap_inode_full(scan->fs, - (struct ext2_inode_large *) inode, - (struct ext2_inode_large *) scan->ptr, - 0, bufsize); - else -#endif - memcpy(inode, scan->ptr, bufsize); - scan->ptr += scan->inode_size; - scan->bytes_left -= scan->inode_size; - if (scan->scan_flags & EXT2_SF_BAD_INODE_BLK) - retval = EXT2_ET_BAD_BLOCK_IN_INODE_TABLE; - } - - scan->inodes_left--; - scan->current_inode++; - *ino = scan->current_inode; - return retval; -} - -errcode_t ext2fs_get_next_inode(ext2_inode_scan scan, ext2_ino_t *ino, - struct ext2_inode *inode) -{ - return ext2fs_get_next_inode_full(scan, ino, inode, - sizeof(struct ext2_inode)); -} - -/* - * Functions to read and write a single inode. - */ -errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode, int bufsize) -{ - unsigned long group, block, block_nr, offset; - char *ptr; - errcode_t retval; - int clen, i, inodes_per_block, length; - io_channel io; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - /* Check to see if user has an override function */ - if (fs->read_inode) { - retval = (fs->read_inode)(fs, ino, inode); - if (retval != EXT2_ET_CALLBACK_NOTHANDLED) - return retval; - } - /* Create inode cache if not present */ - if (!fs->icache) { - retval = create_icache(fs); - if (retval) - return retval; - } - /* Check to see if it's in the inode cache */ - if (bufsize == sizeof(struct ext2_inode)) { - /* only old good inode can be retrieve from the cache */ - for (i=0; i < fs->icache->cache_size; i++) { - if (fs->icache->cache[i].ino == ino) { - *inode = fs->icache->cache[i].inode; - return 0; - } - } - } - if ((ino == 0) || (ino > fs->super->s_inodes_count)) - return EXT2_ET_BAD_INODE_NUM; - if (fs->flags & EXT2_FLAG_IMAGE_FILE) { - inodes_per_block = fs->blocksize / EXT2_INODE_SIZE(fs->super); - block_nr = fs->image_header->offset_inode / fs->blocksize; - block_nr += (ino - 1) / inodes_per_block; - offset = ((ino - 1) % inodes_per_block) * - EXT2_INODE_SIZE(fs->super); - io = fs->image_io; - } else { - group = (ino - 1) / EXT2_INODES_PER_GROUP(fs->super); - offset = ((ino - 1) % EXT2_INODES_PER_GROUP(fs->super)) * - EXT2_INODE_SIZE(fs->super); - block = offset >> EXT2_BLOCK_SIZE_BITS(fs->super); - if (!fs->group_desc[(unsigned)group].bg_inode_table) - return EXT2_ET_MISSING_INODE_TABLE; - block_nr = fs->group_desc[(unsigned)group].bg_inode_table + - block; - io = fs->io; - } - offset &= (EXT2_BLOCK_SIZE(fs->super) - 1); - - length = EXT2_INODE_SIZE(fs->super); - if (bufsize < length) - length = bufsize; - - ptr = (char *) inode; - while (length) { - clen = length; - if ((offset + length) > fs->blocksize) - clen = fs->blocksize - offset; - - if (block_nr != fs->icache->buffer_blk) { - retval = io_channel_read_blk(io, block_nr, 1, - fs->icache->buffer); - if (retval) - return retval; - fs->icache->buffer_blk = block_nr; - } - - memcpy(ptr, ((char *) fs->icache->buffer) + (unsigned) offset, - clen); - - offset = 0; - length -= clen; - ptr += clen; - block_nr++; - } - -#if BB_BIG_ENDIAN - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_READ)) - ext2fs_swap_inode_full(fs, (struct ext2_inode_large *) inode, - (struct ext2_inode_large *) inode, - 0, length); -#endif - - /* Update the inode cache */ - fs->icache->cache_last = (fs->icache->cache_last + 1) % - fs->icache->cache_size; - fs->icache->cache[fs->icache->cache_last].ino = ino; - fs->icache->cache[fs->icache->cache_last].inode = *inode; - - return 0; -} - -errcode_t ext2fs_read_inode(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode) -{ - return ext2fs_read_inode_full(fs, ino, inode, - sizeof(struct ext2_inode)); -} - -errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode, int bufsize) -{ - unsigned long group, block, block_nr, offset; - errcode_t retval = 0; - struct ext2_inode_large temp_inode, *w_inode; - char *ptr; - int clen, i, length; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - /* Check to see if user provided an override function */ - if (fs->write_inode) { - retval = (fs->write_inode)(fs, ino, inode); - if (retval != EXT2_ET_CALLBACK_NOTHANDLED) - return retval; - } - - /* Check to see if the inode cache needs to be updated */ - if (fs->icache) { - for (i=0; i < fs->icache->cache_size; i++) { - if (fs->icache->cache[i].ino == ino) { - fs->icache->cache[i].inode = *inode; - break; - } - } - } else { - retval = create_icache(fs); - if (retval) - return retval; - } - - if (!(fs->flags & EXT2_FLAG_RW)) - return EXT2_ET_RO_FILSYS; - - if ((ino == 0) || (ino > fs->super->s_inodes_count)) - return EXT2_ET_BAD_INODE_NUM; - - length = bufsize; - if (length < EXT2_INODE_SIZE(fs->super)) - length = EXT2_INODE_SIZE(fs->super); - - if (length > (int) sizeof(struct ext2_inode_large)) { - w_inode = xmalloc(length); - } else - w_inode = &temp_inode; - memset(w_inode, 0, length); - -#if BB_BIG_ENDIAN - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE)) - ext2fs_swap_inode_full(fs, w_inode, - (struct ext2_inode_large *) inode, - 1, bufsize); - else -#endif - memcpy(w_inode, inode, bufsize); - - group = (ino - 1) / EXT2_INODES_PER_GROUP(fs->super); - offset = ((ino - 1) % EXT2_INODES_PER_GROUP(fs->super)) * - EXT2_INODE_SIZE(fs->super); - block = offset >> EXT2_BLOCK_SIZE_BITS(fs->super); - if (!fs->group_desc[(unsigned) group].bg_inode_table) - return EXT2_ET_MISSING_INODE_TABLE; - block_nr = fs->group_desc[(unsigned) group].bg_inode_table + block; - - offset &= (EXT2_BLOCK_SIZE(fs->super) - 1); - - length = EXT2_INODE_SIZE(fs->super); - if (length > bufsize) - length = bufsize; - - ptr = (char *) w_inode; - - while (length) { - clen = length; - if ((offset + length) > fs->blocksize) - clen = fs->blocksize - offset; - - if (fs->icache->buffer_blk != block_nr) { - retval = io_channel_read_blk(fs->io, block_nr, 1, - fs->icache->buffer); - if (retval) - goto errout; - fs->icache->buffer_blk = block_nr; - } - - - memcpy((char *) fs->icache->buffer + (unsigned) offset, - ptr, clen); - - retval = io_channel_write_blk(fs->io, block_nr, 1, - fs->icache->buffer); - if (retval) - goto errout; - - offset = 0; - ptr += clen; - length -= clen; - block_nr++; - } - - fs->flags |= EXT2_FLAG_CHANGED; -errout: - if (w_inode && w_inode != &temp_inode) - free(w_inode); - return retval; -} - -errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode) -{ - return ext2fs_write_inode_full(fs, ino, inode, - sizeof(struct ext2_inode)); -} - -/* - * This function should be called when writing a new inode. It makes - * sure that extra part of large inodes is initialized properly. - */ -errcode_t ext2fs_write_new_inode(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode) -{ - struct ext2_inode *buf; - int size = EXT2_INODE_SIZE(fs->super); - struct ext2_inode_large *large_inode; - - if (size == sizeof(struct ext2_inode)) - return ext2fs_write_inode_full(fs, ino, inode, - sizeof(struct ext2_inode)); - - buf = xmalloc(size); - - memset(buf, 0, size); - *buf = *inode; - - large_inode = (struct ext2_inode_large *) buf; - large_inode->i_extra_isize = sizeof(struct ext2_inode_large) - - EXT2_GOOD_OLD_INODE_SIZE; - - return ext2fs_write_inode_full(fs, ino, buf, size); -} - - -errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks) -{ - struct ext2_inode inode; - int i; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (ino > fs->super->s_inodes_count) - return EXT2_ET_BAD_INODE_NUM; - - if (fs->get_blocks) { - if (!(*fs->get_blocks)(fs, ino, blocks)) - return 0; - } - retval = ext2fs_read_inode(fs, ino, &inode); - if (retval) - return retval; - for (i=0; i < EXT2_N_BLOCKS; i++) - blocks[i] = inode.i_block[i]; - return 0; -} - -errcode_t ext2fs_check_directory(ext2_filsys fs, ext2_ino_t ino) -{ - struct ext2_inode inode; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (ino > fs->super->s_inodes_count) - return EXT2_ET_BAD_INODE_NUM; - - if (fs->check_directory) { - retval = (fs->check_directory)(fs, ino); - if (retval != EXT2_ET_CALLBACK_NOTHANDLED) - return retval; - } - retval = ext2fs_read_inode(fs, ino, &inode); - if (retval) - return retval; - if (!LINUX_S_ISDIR(inode.i_mode)) - return EXT2_ET_NO_DIRECTORY; - return 0; -} - diff --git a/e2fsprogs/ext2fs/inode_io.c b/e2fsprogs/ext2fs/inode_io.c deleted file mode 100644 index 4bfa93a..0000000 --- a/e2fsprogs/ext2fs/inode_io.c +++ /dev/null @@ -1,271 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * inode_io.c --- This is allows an inode in an ext2 filesystem image - * to be accessed via the I/O manager interface. - * - * Copyright (C) 2002 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#include <time.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * For checking structure magic numbers... - */ - -#define EXT2_CHECK_MAGIC(struct, code) \ - if ((struct)->magic != (code)) return (code) - -struct inode_private_data { - int magic; - char name[32]; - ext2_file_t file; - ext2_filsys fs; - ext2_ino_t ino; - struct ext2_inode inode; - int flags; - struct inode_private_data *next; -}; - -#define CHANNEL_HAS_INODE 0x8000 - -static struct inode_private_data *top_intern; -static int ino_unique = 0; - -static errcode_t inode_open(const char *name, int flags, io_channel *channel); -static errcode_t inode_close(io_channel channel); -static errcode_t inode_set_blksize(io_channel channel, int blksize); -static errcode_t inode_read_blk(io_channel channel, unsigned long block, - int count, void *data); -static errcode_t inode_write_blk(io_channel channel, unsigned long block, - int count, const void *data); -static errcode_t inode_flush(io_channel channel); -static errcode_t inode_write_byte(io_channel channel, unsigned long offset, - int size, const void *data); - -static struct struct_io_manager struct_inode_manager = { - EXT2_ET_MAGIC_IO_MANAGER, - "Inode I/O Manager", - inode_open, - inode_close, - inode_set_blksize, - inode_read_blk, - inode_write_blk, - inode_flush, - inode_write_byte -}; - -io_manager inode_io_manager = &struct_inode_manager; - -errcode_t ext2fs_inode_io_intern2(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode, - char **name) -{ - struct inode_private_data *data; - errcode_t retval; - - if ((retval = ext2fs_get_mem(sizeof(struct inode_private_data), - &data))) - return retval; - data->magic = EXT2_ET_MAGIC_INODE_IO_CHANNEL; - sprintf(data->name, "%u:%d", ino, ino_unique++); - data->file = 0; - data->fs = fs; - data->ino = ino; - data->flags = 0; - if (inode) { - memcpy(&data->inode, inode, sizeof(struct ext2_inode)); - data->flags |= CHANNEL_HAS_INODE; - } - data->next = top_intern; - top_intern = data; - *name = data->name; - return 0; -} - -errcode_t ext2fs_inode_io_intern(ext2_filsys fs, ext2_ino_t ino, - char **name) -{ - return ext2fs_inode_io_intern2(fs, ino, NULL, name); -} - - -static errcode_t inode_open(const char *name, int flags, io_channel *channel) -{ - io_channel io = NULL; - struct inode_private_data *prev, *data = NULL; - errcode_t retval; - int open_flags; - - if (name == 0) - return EXT2_ET_BAD_DEVICE_NAME; - - for (data = top_intern, prev = NULL; data; - prev = data, data = data->next) - if (strcmp(name, data->name) == 0) - break; - if (!data) - return ENOENT; - if (prev) - prev->next = data->next; - else - top_intern = data->next; - - retval = ext2fs_get_mem(sizeof(struct struct_io_channel), &io); - if (retval) - goto cleanup; - memset(io, 0, sizeof(struct struct_io_channel)); - - io->magic = EXT2_ET_MAGIC_IO_CHANNEL; - io->manager = inode_io_manager; - retval = ext2fs_get_mem(strlen(name)+1, &io->name); - if (retval) - goto cleanup; - - strcpy(io->name, name); - io->private_data = data; - io->block_size = 1024; - io->read_error = 0; - io->write_error = 0; - io->refcount = 1; - - open_flags = (flags & IO_FLAG_RW) ? EXT2_FILE_WRITE : 0; - retval = ext2fs_file_open2(data->fs, data->ino, - (data->flags & CHANNEL_HAS_INODE) ? - &data->inode : 0, open_flags, - &data->file); - if (retval) - goto cleanup; - - *channel = io; - return 0; - -cleanup: - if (data) { - ext2fs_free_mem(&data); - } - if (io) - ext2fs_free_mem(&io); - return retval; -} - -static errcode_t inode_close(io_channel channel) -{ - struct inode_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct inode_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_INODE_IO_CHANNEL); - - if (--channel->refcount > 0) - return 0; - - retval = ext2fs_file_close(data->file); - - ext2fs_free_mem(&channel->private_data); - if (channel->name) - ext2fs_free_mem(&channel->name); - ext2fs_free_mem(&channel); - return retval; -} - -static errcode_t inode_set_blksize(io_channel channel, int blksize) -{ - struct inode_private_data *data; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct inode_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_INODE_IO_CHANNEL); - - channel->block_size = blksize; - return 0; -} - - -static errcode_t inode_read_blk(io_channel channel, unsigned long block, - int count, void *buf) -{ - struct inode_private_data *data; - errcode_t retval; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct inode_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_INODE_IO_CHANNEL); - - if ((retval = ext2fs_file_lseek(data->file, - block * channel->block_size, - EXT2_SEEK_SET, 0))) - return retval; - - count = (count < 0) ? -count : (count * channel->block_size); - - return ext2fs_file_read(data->file, buf, count, 0); -} - -static errcode_t inode_write_blk(io_channel channel, unsigned long block, - int count, const void *buf) -{ - struct inode_private_data *data; - errcode_t retval; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct inode_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_INODE_IO_CHANNEL); - - if ((retval = ext2fs_file_lseek(data->file, - block * channel->block_size, - EXT2_SEEK_SET, 0))) - return retval; - - count = (count < 0) ? -count : (count * channel->block_size); - - return ext2fs_file_write(data->file, buf, count, 0); -} - -static errcode_t inode_write_byte(io_channel channel, unsigned long offset, - int size, const void *buf) -{ - struct inode_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct inode_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_INODE_IO_CHANNEL); - - if ((retval = ext2fs_file_lseek(data->file, offset, - EXT2_SEEK_SET, 0))) - return retval; - - return ext2fs_file_write(data->file, buf, size, 0); -} - -/* - * Flush data buffers to disk. - */ -static errcode_t inode_flush(io_channel channel) -{ - struct inode_private_data *data; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct inode_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_INODE_IO_CHANNEL); - - return ext2fs_file_flush(data->file); -} - diff --git a/e2fsprogs/ext2fs/io_manager.c b/e2fsprogs/ext2fs/io_manager.c deleted file mode 100644 index b470386..0000000 --- a/e2fsprogs/ext2fs/io_manager.c +++ /dev/null @@ -1,70 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * io_manager.c --- the I/O manager abstraction - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -errcode_t io_channel_set_options(io_channel channel, const char *opts) -{ - errcode_t retval = 0; - char *next, *ptr, *options, *arg; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - - if (!opts) - return 0; - - if (!channel->manager->set_option) - return EXT2_ET_INVALID_ARGUMENT; - - options = malloc(strlen(opts)+1); - if (!options) - return EXT2_ET_NO_MEMORY; - strcpy(options, opts); - ptr = options; - - while (ptr && *ptr) { - next = strchr(ptr, '&'); - if (next) - *next++ = 0; - - arg = strchr(ptr, '='); - if (arg) - *arg++ = 0; - - retval = (channel->manager->set_option)(channel, ptr, arg); - if (retval) - break; - ptr = next; - } - free(options); - return retval; -} - -errcode_t io_channel_write_byte(io_channel channel, unsigned long offset, - int count, const void *data) -{ - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - - if (channel->manager->write_byte) - return channel->manager->write_byte(channel, offset, - count, data); - - return EXT2_ET_UNIMPLEMENTED; -} diff --git a/e2fsprogs/ext2fs/irel.h b/e2fsprogs/ext2fs/irel.h deleted file mode 100644 index 91d1d89..0000000 --- a/e2fsprogs/ext2fs/irel.h +++ /dev/null @@ -1,115 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * irel.h - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -struct ext2_inode_reference { - blk_t block; - __u16 offset; -}; - -struct ext2_inode_relocate_entry { - ext2_ino_t new; - ext2_ino_t orig; - __u16 flags; - __u16 max_refs; -}; - -typedef struct ext2_inode_relocation_table *ext2_irel; - -struct ext2_inode_relocation_table { - __u32 magic; - char *name; - ext2_ino_t current; - void *priv_data; - - /* - * Add an inode relocation entry. - */ - errcode_t (*put)(ext2_irel irel, ext2_ino_t old, - struct ext2_inode_relocate_entry *ent); - /* - * Get an inode relocation entry. - */ - errcode_t (*get)(ext2_irel irel, ext2_ino_t old, - struct ext2_inode_relocate_entry *ent); - - /* - * Get an inode relocation entry by its original inode number - */ - errcode_t (*get_by_orig)(ext2_irel irel, ext2_ino_t orig, ext2_ino_t *old, - struct ext2_inode_relocate_entry *ent); - - /* - * Initialize for iterating over the inode relocation entries. - */ - errcode_t (*start_iter)(ext2_irel irel); - - /* - * The iterator function for the inode relocation entries. - * Returns an inode number of 0 when out of entries. - */ - errcode_t (*next)(ext2_irel irel, ext2_ino_t *old, - struct ext2_inode_relocate_entry *ent); - - /* - * Add an inode reference (i.e., note the fact that a - * particular block/offset contains a reference to an inode) - */ - errcode_t (*add_ref)(ext2_irel irel, ext2_ino_t ino, - struct ext2_inode_reference *ref); - - /* - * Initialize for iterating over the inode references for a - * particular inode. - */ - errcode_t (*start_iter_ref)(ext2_irel irel, ext2_ino_t ino); - - /* - * The iterator function for the inode references for an - * inode. The references for only one inode can be interator - * over at a time, as the iterator state is stored in ext2_irel. - */ - errcode_t (*next_ref)(ext2_irel irel, - struct ext2_inode_reference *ref); - - /* - * Move the inode relocation table from one inode number to - * another. Note that the inode references also must move. - */ - errcode_t (*move)(ext2_irel irel, ext2_ino_t old, ext2_ino_t new); - - /* - * Remove an inode relocation entry, along with all of the - * inode references. - */ - errcode_t (*delete)(ext2_irel irel, ext2_ino_t old); - - /* - * Free the inode relocation table. - */ - errcode_t (*free)(ext2_irel irel); -}; - -errcode_t ext2fs_irel_memarray_create(char *name, ext2_ino_t max_inode, - ext2_irel *irel); - -#define ext2fs_irel_put(irel, old, ent) ((irel)->put((irel), old, ent)) -#define ext2fs_irel_get(irel, old, ent) ((irel)->get((irel), old, ent)) -#define ext2fs_irel_get_by_orig(irel, orig, old, ent) \ - ((irel)->get_by_orig((irel), orig, old, ent)) -#define ext2fs_irel_start_iter(irel) ((irel)->start_iter((irel))) -#define ext2fs_irel_next(irel, old, ent) ((irel)->next((irel), old, ent)) -#define ext2fs_irel_add_ref(irel, ino, ref) ((irel)->add_ref((irel), ino, ref)) -#define ext2fs_irel_start_iter_ref(irel, ino) ((irel)->start_iter_ref((irel), ino)) -#define ext2fs_irel_next_ref(irel, ref) ((irel)->next_ref((irel), ref)) -#define ext2fs_irel_move(irel, old, new) ((irel)->move((irel), old, new)) -#define ext2fs_irel_delete(irel, old) ((irel)->delete((irel), old)) -#define ext2fs_irel_free(irel) ((irel)->free((irel))) diff --git a/e2fsprogs/ext2fs/irel_ma.c b/e2fsprogs/ext2fs/irel_ma.c deleted file mode 100644 index c871b18..0000000 --- a/e2fsprogs/ext2fs/irel_ma.c +++ /dev/null @@ -1,367 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * irel_ma.c - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <fcntl.h> -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" -#include "irel.h" - -static errcode_t ima_put(ext2_irel irel, ext2_ino_t old, - struct ext2_inode_relocate_entry *ent); -static errcode_t ima_get(ext2_irel irel, ext2_ino_t old, - struct ext2_inode_relocate_entry *ent); -static errcode_t ima_get_by_orig(ext2_irel irel, ext2_ino_t orig, ext2_ino_t *old, - struct ext2_inode_relocate_entry *ent); -static errcode_t ima_start_iter(ext2_irel irel); -static errcode_t ima_next(ext2_irel irel, ext2_ino_t *old, - struct ext2_inode_relocate_entry *ent); -static errcode_t ima_add_ref(ext2_irel irel, ext2_ino_t ino, - struct ext2_inode_reference *ref); -static errcode_t ima_start_iter_ref(ext2_irel irel, ext2_ino_t ino); -static errcode_t ima_next_ref(ext2_irel irel, struct ext2_inode_reference *ref); -static errcode_t ima_move(ext2_irel irel, ext2_ino_t old, ext2_ino_t new); -static errcode_t ima_delete(ext2_irel irel, ext2_ino_t old); -static errcode_t ima_free(ext2_irel irel); - -/* - * This data structure stores the array of inode references; there is - * a structure for each inode. - */ -struct inode_reference_entry { - __u16 num; - struct ext2_inode_reference *refs; -}; - -struct irel_ma { - __u32 magic; - ext2_ino_t max_inode; - ext2_ino_t ref_current; - int ref_iter; - ext2_ino_t *orig_map; - struct ext2_inode_relocate_entry *entries; - struct inode_reference_entry *ref_entries; -}; - -errcode_t ext2fs_irel_memarray_create(char *name, ext2_ino_t max_inode, - ext2_irel *new_irel) -{ - ext2_irel irel = 0; - errcode_t retval; - struct irel_ma *ma = 0; - size_t size; - - *new_irel = 0; - - /* - * Allocate memory structures - */ - retval = ext2fs_get_mem(sizeof(struct ext2_inode_relocation_table), - &irel); - if (retval) - goto errout; - memset(irel, 0, sizeof(struct ext2_inode_relocation_table)); - - retval = ext2fs_get_mem(strlen(name)+1, &irel->name); - if (retval) - goto errout; - strcpy(irel->name, name); - - retval = ext2fs_get_mem(sizeof(struct irel_ma), &ma); - if (retval) - goto errout; - memset(ma, 0, sizeof(struct irel_ma)); - irel->priv_data = ma; - - size = (size_t) (sizeof(ext2_ino_t) * (max_inode+1)); - retval = ext2fs_get_mem(size, &ma->orig_map); - if (retval) - goto errout; - memset(ma->orig_map, 0, size); - - size = (size_t) (sizeof(struct ext2_inode_relocate_entry) * - (max_inode+1)); - retval = ext2fs_get_mem(size, &ma->entries); - if (retval) - goto errout; - memset(ma->entries, 0, size); - - size = (size_t) (sizeof(struct inode_reference_entry) * - (max_inode+1)); - retval = ext2fs_get_mem(size, &ma->ref_entries); - if (retval) - goto errout; - memset(ma->ref_entries, 0, size); - ma->max_inode = max_inode; - - /* - * Fill in the irel data structure - */ - irel->put = ima_put; - irel->get = ima_get; - irel->get_by_orig = ima_get_by_orig; - irel->start_iter = ima_start_iter; - irel->next = ima_next; - irel->add_ref = ima_add_ref; - irel->start_iter_ref = ima_start_iter_ref; - irel->next_ref = ima_next_ref; - irel->move = ima_move; - irel->delete = ima_delete; - irel->free = ima_free; - - *new_irel = irel; - return 0; - -errout: - ima_free(irel); - return retval; -} - -static errcode_t ima_put(ext2_irel irel, ext2_ino_t old, - struct ext2_inode_relocate_entry *ent) -{ - struct inode_reference_entry *ref_ent; - struct irel_ma *ma; - errcode_t retval; - size_t size, old_size; - - ma = irel->priv_data; - if (old > ma->max_inode) - return EXT2_ET_INVALID_ARGUMENT; - - /* - * Force the orig field to the correct value; the application - * program shouldn't be messing with this field. - */ - if (ma->entries[(unsigned) old].new == 0) - ent->orig = old; - else - ent->orig = ma->entries[(unsigned) old].orig; - - /* - * If max_refs has changed, reallocate the refs array - */ - ref_ent = ma->ref_entries + (unsigned) old; - if (ref_ent->refs && ent->max_refs != - ma->entries[(unsigned) old].max_refs) { - size = (sizeof(struct ext2_inode_reference) * ent->max_refs); - old_size = (sizeof(struct ext2_inode_reference) * - ma->entries[(unsigned) old].max_refs); - retval = ext2fs_resize_mem(old_size, size, &ref_ent->refs); - if (retval) - return retval; - } - - ma->entries[(unsigned) old] = *ent; - ma->orig_map[(unsigned) ent->orig] = old; - return 0; -} - -static errcode_t ima_get(ext2_irel irel, ext2_ino_t old, - struct ext2_inode_relocate_entry *ent) -{ - struct irel_ma *ma; - - ma = irel->priv_data; - if (old > ma->max_inode) - return EXT2_ET_INVALID_ARGUMENT; - if (ma->entries[(unsigned) old].new == 0) - return ENOENT; - *ent = ma->entries[(unsigned) old]; - return 0; -} - -static errcode_t ima_get_by_orig(ext2_irel irel, ext2_ino_t orig, ext2_ino_t *old, - struct ext2_inode_relocate_entry *ent) -{ - struct irel_ma *ma; - ext2_ino_t ino; - - ma = irel->priv_data; - if (orig > ma->max_inode) - return EXT2_ET_INVALID_ARGUMENT; - ino = ma->orig_map[(unsigned) orig]; - if (ino == 0) - return ENOENT; - *old = ino; - *ent = ma->entries[(unsigned) ino]; - return 0; -} - -static errcode_t ima_start_iter(ext2_irel irel) -{ - irel->current = 0; - return 0; -} - -static errcode_t ima_next(ext2_irel irel, ext2_ino_t *old, - struct ext2_inode_relocate_entry *ent) -{ - struct irel_ma *ma; - - ma = irel->priv_data; - while (++irel->current < ma->max_inode) { - if (ma->entries[(unsigned) irel->current].new == 0) - continue; - *old = irel->current; - *ent = ma->entries[(unsigned) irel->current]; - return 0; - } - *old = 0; - return 0; -} - -static errcode_t ima_add_ref(ext2_irel irel, ext2_ino_t ino, - struct ext2_inode_reference *ref) -{ - struct irel_ma *ma; - size_t size; - struct inode_reference_entry *ref_ent; - struct ext2_inode_relocate_entry *ent; - errcode_t retval; - - ma = irel->priv_data; - if (ino > ma->max_inode) - return EXT2_ET_INVALID_ARGUMENT; - - ref_ent = ma->ref_entries + (unsigned) ino; - ent = ma->entries + (unsigned) ino; - - /* - * If the inode reference array doesn't exist, create it. - */ - if (ref_ent->refs == 0) { - size = (size_t) ((sizeof(struct ext2_inode_reference) * - ent->max_refs)); - retval = ext2fs_get_mem(size, &ref_ent->refs); - if (retval) - return retval; - memset(ref_ent->refs, 0, size); - ref_ent->num = 0; - } - - if (ref_ent->num >= ent->max_refs) - return EXT2_ET_TOO_MANY_REFS; - - ref_ent->refs[(unsigned) ref_ent->num++] = *ref; - return 0; -} - -static errcode_t ima_start_iter_ref(ext2_irel irel, ext2_ino_t ino) -{ - struct irel_ma *ma; - - ma = irel->priv_data; - if (ino > ma->max_inode) - return EXT2_ET_INVALID_ARGUMENT; - if (ma->entries[(unsigned) ino].new == 0) - return ENOENT; - ma->ref_current = ino; - ma->ref_iter = 0; - return 0; -} - -static errcode_t ima_next_ref(ext2_irel irel, - struct ext2_inode_reference *ref) -{ - struct irel_ma *ma; - struct inode_reference_entry *ref_ent; - - ma = irel->priv_data; - - ref_ent = ma->ref_entries + ma->ref_current; - - if ((ref_ent->refs == NULL) || - (ma->ref_iter >= ref_ent->num)) { - ref->block = 0; - ref->offset = 0; - return 0; - } - *ref = ref_ent->refs[ma->ref_iter++]; - return 0; -} - - -static errcode_t ima_move(ext2_irel irel, ext2_ino_t old, ext2_ino_t new) -{ - struct irel_ma *ma; - - ma = irel->priv_data; - if ((old > ma->max_inode) || (new > ma->max_inode)) - return EXT2_ET_INVALID_ARGUMENT; - if (ma->entries[(unsigned) old].new == 0) - return ENOENT; - - ma->entries[(unsigned) new] = ma->entries[(unsigned) old]; - ext2fs_free_mem(&ma->ref_entries[(unsigned) new].refs); - ma->ref_entries[(unsigned) new] = ma->ref_entries[(unsigned) old]; - - ma->entries[(unsigned) old].new = 0; - ma->ref_entries[(unsigned) old].num = 0; - ma->ref_entries[(unsigned) old].refs = 0; - - ma->orig_map[ma->entries[new].orig] = new; - return 0; -} - -static errcode_t ima_delete(ext2_irel irel, ext2_ino_t old) -{ - struct irel_ma *ma; - - ma = irel->priv_data; - if (old > ma->max_inode) - return EXT2_ET_INVALID_ARGUMENT; - if (ma->entries[(unsigned) old].new == 0) - return ENOENT; - - ma->entries[old].new = 0; - ext2fs_free_mem(&ma->ref_entries[(unsigned) old].refs); - ma->orig_map[ma->entries[(unsigned) old].orig] = 0; - - ma->ref_entries[(unsigned) old].num = 0; - ma->ref_entries[(unsigned) old].refs = 0; - return 0; -} - -static errcode_t ima_free(ext2_irel irel) -{ - struct irel_ma *ma; - ext2_ino_t ino; - - if (!irel) - return 0; - - ma = irel->priv_data; - - if (ma) { - ext2fs_free_mem(&ma->orig_map); - ext2fs_free_mem(&ma->entries); - if (ma->ref_entries) { - for (ino = 0; ino <= ma->max_inode; ino++) { - ext2fs_free_mem(&ma->ref_entries[(unsigned) ino].refs); - } - ext2fs_free_mem(&ma->ref_entries); - } - ext2fs_free_mem(&ma); - } - ext2fs_free_mem(&irel->name); - ext2fs_free_mem(&irel); - return 0; -} diff --git a/e2fsprogs/ext2fs/ismounted.c b/e2fsprogs/ext2fs/ismounted.c deleted file mode 100644 index d943f11..0000000 --- a/e2fsprogs/ext2fs/ismounted.c +++ /dev/null @@ -1,357 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * ismounted.c --- Check to see if the filesystem was mounted - * - * Copyright (C) 1995,1996,1997,1998,1999,2000 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#include <fcntl.h> -#ifdef HAVE_LINUX_FD_H -#include <linux/fd.h> -#endif -#ifdef HAVE_MNTENT_H -#include <mntent.h> -#endif -#ifdef HAVE_GETMNTINFO -#include <paths.h> -#include <sys/param.h> -#include <sys/mount.h> -#endif /* HAVE_GETMNTINFO */ -#include <string.h> -#include <sys/stat.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -#ifdef HAVE_MNTENT_H -/* - * Helper function which checks a file in /etc/mtab format to see if a - * filesystem is mounted. Returns an error if the file doesn't exist - * or can't be opened. - */ -static errcode_t check_mntent_file(const char *mtab_file, const char *file, - int *mount_flags, char *mtpt, int mtlen) -{ - struct mntent *mnt; - struct stat st_buf; - errcode_t retval = 0; - dev_t file_dev=0, file_rdev=0; - ino_t file_ino=0; - FILE *f; - int fd; - - *mount_flags = 0; - if ((f = setmntent (mtab_file, "r")) == NULL) - return errno; - if (stat(file, &st_buf) == 0) { - if (S_ISBLK(st_buf.st_mode)) { -#ifndef __GNU__ /* The GNU hurd is broken with respect to stat devices */ - file_rdev = st_buf.st_rdev; -#endif /* __GNU__ */ - } else { - file_dev = st_buf.st_dev; - file_ino = st_buf.st_ino; - } - } - while ((mnt = getmntent (f)) != NULL) { - if (strcmp(file, mnt->mnt_fsname) == 0) - break; - if (stat(mnt->mnt_fsname, &st_buf) == 0) { - if (S_ISBLK(st_buf.st_mode)) { -#ifndef __GNU__ - if (file_rdev && (file_rdev == st_buf.st_rdev)) - break; -#endif /* __GNU__ */ - } else { - if (file_dev && ((file_dev == st_buf.st_dev) && - (file_ino == st_buf.st_ino))) - break; - } - } - } - - if (mnt == 0) { -#ifndef __GNU__ /* The GNU hurd is broken with respect to stat devices */ - /* - * Do an extra check to see if this is the root device. We - * can't trust /etc/mtab, and /proc/mounts will only list - * /dev/root for the root filesystem. Argh. Instead we - * check if the given device has the same major/minor number - * as the device that the root directory is on. - */ - if (file_rdev && stat("/", &st_buf) == 0) { - if (st_buf.st_dev == file_rdev) { - *mount_flags = EXT2_MF_MOUNTED; - if (mtpt) - strncpy(mtpt, "/", mtlen); - goto is_root; - } - } -#endif /* __GNU__ */ - goto errout; - } -#ifndef __GNU__ /* The GNU hurd is deficient; what else is new? */ - /* Validate the entry in case /etc/mtab is out of date */ - /* - * We need to be paranoid, because some broken distributions - * (read: Slackware) don't initialize /etc/mtab before checking - * all of the non-root filesystems on the disk. - */ - if (stat(mnt->mnt_dir, &st_buf) < 0) { - retval = errno; - if (retval == ENOENT) { -#ifdef DEBUG - printf("Bogus entry in %s! (%s does not exist)\n", - mtab_file, mnt->mnt_dir); -#endif /* DEBUG */ - retval = 0; - } - goto errout; - } - if (file_rdev && (st_buf.st_dev != file_rdev)) { -#ifdef DEBUG - printf("Bogus entry in %s! (%s not mounted on %s)\n", - mtab_file, file, mnt->mnt_dir); -#endif /* DEBUG */ - goto errout; - } -#endif /* __GNU__ */ - *mount_flags = EXT2_MF_MOUNTED; - -#ifdef MNTOPT_RO - /* Check to see if the ro option is set */ - if (hasmntopt(mnt, MNTOPT_RO)) - *mount_flags |= EXT2_MF_READONLY; -#endif - - if (mtpt) - strncpy(mtpt, mnt->mnt_dir, mtlen); - /* - * Check to see if we're referring to the root filesystem. - * If so, do a manual check to see if we can open /etc/mtab - * read/write, since if the root is mounted read/only, the - * contents of /etc/mtab may not be accurate. - */ - if (LONE_CHAR(mnt->mnt_dir, '/')) { -is_root: -#define TEST_FILE "/.ismount-test-file" - *mount_flags |= EXT2_MF_ISROOT; - fd = open(TEST_FILE, O_RDWR|O_CREAT); - if (fd < 0) { - if (errno == EROFS) - *mount_flags |= EXT2_MF_READONLY; - } else - close(fd); - (void) unlink(TEST_FILE); - } - retval = 0; -errout: - endmntent (f); - return retval; -} - -static errcode_t check_mntent(const char *file, int *mount_flags, - char *mtpt, int mtlen) -{ - errcode_t retval; - -#ifdef DEBUG - retval = check_mntent_file("/tmp/mtab", file, mount_flags, - mtpt, mtlen); - if (retval == 0) - return 0; -#endif /* DEBUG */ -#ifdef __linux__ - retval = check_mntent_file("/proc/mounts", file, mount_flags, - mtpt, mtlen); - if (retval == 0 && (*mount_flags != 0)) - return 0; -#endif /* __linux__ */ -#if defined(MOUNTED) || defined(_PATH_MOUNTED) -#ifndef MOUNTED -#define MOUNTED _PATH_MOUNTED -#endif /* MOUNTED */ - retval = check_mntent_file(MOUNTED, file, mount_flags, mtpt, mtlen); - return retval; -#else - *mount_flags = 0; - return 0; -#endif /* defined(MOUNTED) || defined(_PATH_MOUNTED) */ -} - -#else -#if defined(HAVE_GETMNTINFO) - -static errcode_t check_getmntinfo(const char *file, int *mount_flags, - char *mtpt, int mtlen) -{ - struct statfs *mp; - int len, n; - const char *s1; - char *s2; - - n = getmntinfo(&mp, MNT_NOWAIT); - if (n == 0) - return errno; - - len = sizeof(_PATH_DEV) - 1; - s1 = file; - if (strncmp(_PATH_DEV, s1, len) == 0) - s1 += len; - - *mount_flags = 0; - while (--n >= 0) { - s2 = mp->f_mntfromname; - if (strncmp(_PATH_DEV, s2, len) == 0) { - s2 += len - 1; - *s2 = 'r'; - } - if (strcmp(s1, s2) == 0 || strcmp(s1, &s2[1]) == 0) { - *mount_flags = EXT2_MF_MOUNTED; - break; - } - ++mp; - } - if (mtpt) - strncpy(mtpt, mp->f_mntonname, mtlen); - return 0; -} -#endif /* HAVE_GETMNTINFO */ -#endif /* HAVE_MNTENT_H */ - -/* - * Check to see if we're dealing with the swap device. - */ -static int is_swap_device(const char *file) -{ - FILE *f; - char buf[1024], *cp; - dev_t file_dev; - struct stat st_buf; - int ret = 0; - - file_dev = 0; -#ifndef __GNU__ /* The GNU hurd is broken with respect to stat devices */ - if ((stat(file, &st_buf) == 0) && - S_ISBLK(st_buf.st_mode)) - file_dev = st_buf.st_rdev; -#endif /* __GNU__ */ - - if (!(f = fopen("/proc/swaps", "r"))) - return 0; - /* Skip the first line */ - fgets(buf, sizeof(buf), f); - while (!feof(f)) { - if (!fgets(buf, sizeof(buf), f)) - break; - if ((cp = strchr(buf, ' ')) != NULL) - *cp = 0; - if ((cp = strchr(buf, '\t')) != NULL) - *cp = 0; - if (strcmp(buf, file) == 0) { - ret++; - break; - } -#ifndef __GNU__ - if (file_dev && (stat(buf, &st_buf) == 0) && - S_ISBLK(st_buf.st_mode) && - file_dev == st_buf.st_rdev) { - ret++; - break; - } -#endif /* __GNU__ */ - } - fclose(f); - return ret; -} - - -/* - * ext2fs_check_mount_point() returns 1 if the device is mounted, 0 - * otherwise. If mtpt is non-NULL, the directory where the device is - * mounted is copied to where mtpt is pointing, up to mtlen - * characters. - */ -#ifdef __TURBOC__ -# pragma argsused -#endif -errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags, - char *mtpt, int mtlen) -{ - if (is_swap_device(device)) { - *mount_flags = EXT2_MF_MOUNTED | EXT2_MF_SWAP; - strncpy(mtpt, "<swap>", mtlen); - return 0; - } -#ifdef HAVE_MNTENT_H - return check_mntent(device, mount_flags, mtpt, mtlen); -#else -#ifdef HAVE_GETMNTINFO - return check_getmntinfo(device, mount_flags, mtpt, mtlen); -#else -#ifdef __GNUC__ - #warning "Can't use getmntent or getmntinfo to check for mounted filesystems!" -#endif - *mount_flags = 0; - return 0; -#endif /* HAVE_GETMNTINFO */ -#endif /* HAVE_MNTENT_H */ -} - -/* - * ext2fs_check_if_mounted() sets the mount_flags EXT2_MF_MOUNTED, - * EXT2_MF_READONLY, and EXT2_MF_ROOT - * - */ -errcode_t ext2fs_check_if_mounted(const char *file, int *mount_flags) -{ - return ext2fs_check_mount_point(file, mount_flags, NULL, 0); -} - -#ifdef DEBUG -int main(int argc, char **argv) -{ - int retval, mount_flags; - char mntpt[80]; - - if (argc < 2) { - fprintf(stderr, "Usage: %s device\n", argv[0]); - exit(1); - } - - mntpt[0] = 0; - retval = ext2fs_check_mount_point(argv[1], &mount_flags, - mntpt, sizeof(mntpt)); - if (retval) { - com_err(argv[0], retval, - "while calling ext2fs_check_if_mounted"); - exit(1); - } - printf("Device %s reports flags %02x\n", argv[1], mount_flags); - if (mount_flags & EXT2_MF_BUSY) - printf("\t%s is apparently in use.\n", argv[1]); - if (mount_flags & EXT2_MF_MOUNTED) - printf("\t%s is mounted.\n", argv[1]); - if (mount_flags & EXT2_MF_SWAP) - printf("\t%s is a swap device.\n", argv[1]); - if (mount_flags & EXT2_MF_READONLY) - printf("\t%s is read-only.\n", argv[1]); - if (mount_flags & EXT2_MF_ISROOT) - printf("\t%s is the root filesystem.\n", argv[1]); - if (mntpt[0]) - printf("\t%s is mounted on %s.\n", argv[1], mntpt); - exit(0); -} -#endif /* DEBUG */ diff --git a/e2fsprogs/ext2fs/jfs_dat.h b/e2fsprogs/ext2fs/jfs_dat.h deleted file mode 100644 index 136635d..0000000 --- a/e2fsprogs/ext2fs/jfs_dat.h +++ /dev/null @@ -1,65 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * jfs_dat.h --- stripped down header file which only contains the JFS - * on-disk data structures - */ - -#define JFS_MAGIC_NUMBER 0xc03b3998U /* The first 4 bytes of /dev/random! */ - -/* - * On-disk structures - */ - -/* - * Descriptor block types: - */ - -#define JFS_DESCRIPTOR_BLOCK 1 -#define JFS_COMMIT_BLOCK 2 -#define JFS_SUPERBLOCK 3 - -/* - * Standard header for all descriptor blocks: - */ -typedef struct journal_header_s -{ - __u32 h_magic; - __u32 h_blocktype; - __u32 h_sequence; -} journal_header_t; - - -/* - * The block tag: used to describe a single buffer in the journal - */ -typedef struct journal_block_tag_s -{ - __u32 t_blocknr; /* The on-disk block number */ - __u32 t_flags; /* See below */ -} journal_block_tag_t; - -/* Definitions for the journal tag flags word: */ -#define JFS_FLAG_ESCAPE 1 /* on-disk block is escaped */ -#define JFS_FLAG_SAME_UUID 2 /* block has same uuid as previous */ -#define JFS_FLAG_DELETED 4 /* block deleted by this transaction */ -#define JFS_FLAG_LAST_TAG 8 /* last tag in this descriptor block */ - - -/* - * The journal superblock - */ -typedef struct journal_superblock_s -{ - journal_header_t s_header; - - /* Static information describing the journal */ - __u32 s_blocksize; /* journal device blocksize */ - __u32 s_maxlen; /* total blocks in journal file */ - __u32 s_first; /* first block of log information */ - - /* Dynamic information describing the current state of the log */ - __u32 s_sequence; /* first commit ID expected in log */ - __u32 s_start; /* blocknr of start of log */ - -} journal_superblock_t; - diff --git a/e2fsprogs/ext2fs/kernel-jbd.h b/e2fsprogs/ext2fs/kernel-jbd.h deleted file mode 100644 index 4c6c7de..0000000 --- a/e2fsprogs/ext2fs/kernel-jbd.h +++ /dev/null @@ -1,236 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * linux/include/linux/jbd.h - * - * Written by Stephen C. Tweedie <sct@redhat.com> - * - * Copyright 1998-2000 Red Hat, Inc --- All Rights Reserved - * - * This file is part of the Linux kernel and is made available under - * the terms of the GNU General Public License, version 2, or at your - * option, any later version, incorporated herein by reference. - * - * Definitions for transaction data structures for the buffer cache - * filesystem journaling support. - */ - -#ifndef _LINUX_JBD_H -#define _LINUX_JBD_H - -#include <sys/types.h> -#include <linux/types.h> -#include "ext2fs.h" - -/* - * Standard header for all descriptor blocks: - */ - -typedef struct journal_header_s -{ - __u32 h_magic; - __u32 h_blocktype; - __u32 h_sequence; -} journal_header_t; - -/* - * This is the global e2fsck structure. - */ -typedef struct e2fsck_struct *e2fsck_t; - - -struct inode { - e2fsck_t i_ctx; - ext2_ino_t i_ino; - struct ext2_inode i_ext2; -}; - - -/* - * The journal superblock. All fields are in big-endian byte order. - */ -typedef struct journal_superblock_s -{ -/* 0x0000 */ - journal_header_t s_header; - -/* 0x000C */ - /* Static information describing the journal */ - __u32 s_blocksize; /* journal device blocksize */ - __u32 s_maxlen; /* total blocks in journal file */ - __u32 s_first; /* first block of log information */ - -/* 0x0018 */ - /* Dynamic information describing the current state of the log */ - __u32 s_sequence; /* first commit ID expected in log */ - __u32 s_start; /* blocknr of start of log */ - -/* 0x0020 */ - /* Error value, as set by journal_abort(). */ - __s32 s_errno; - -/* 0x0024 */ - /* Remaining fields are only valid in a version-2 superblock */ - __u32 s_feature_compat; /* compatible feature set */ - __u32 s_feature_incompat; /* incompatible feature set */ - __u32 s_feature_ro_compat; /* readonly-compatible feature set */ -/* 0x0030 */ - __u8 s_uuid[16]; /* 128-bit uuid for journal */ - -/* 0x0040 */ - __u32 s_nr_users; /* Nr of filesystems sharing log */ - - __u32 s_dynsuper; /* Blocknr of dynamic superblock copy*/ - -/* 0x0048 */ - __u32 s_max_transaction; /* Limit of journal blocks per trans.*/ - __u32 s_max_trans_data; /* Limit of data blocks per trans. */ - -/* 0x0050 */ - __u32 s_padding[44]; - -/* 0x0100 */ - __u8 s_users[16*48]; /* ids of all fs'es sharing the log */ -/* 0x0400 */ -} journal_superblock_t; - - -extern int journal_blocks_per_page(struct inode *inode); -extern int jbd_blocks_per_page(struct inode *inode); - -#define JFS_MIN_JOURNAL_BLOCKS 1024 - - -/* - * Internal structures used by the logging mechanism: - */ - -#define JFS_MAGIC_NUMBER 0xc03b3998U /* The first 4 bytes of /dev/random! */ - -/* - * Descriptor block types: - */ - -#define JFS_DESCRIPTOR_BLOCK 1 -#define JFS_COMMIT_BLOCK 2 -#define JFS_SUPERBLOCK_V1 3 -#define JFS_SUPERBLOCK_V2 4 -#define JFS_REVOKE_BLOCK 5 - -/* - * The block tag: used to describe a single buffer in the journal - */ -typedef struct journal_block_tag_s -{ - __u32 t_blocknr; /* The on-disk block number */ - __u32 t_flags; /* See below */ -} journal_block_tag_t; - -/* - * The revoke descriptor: used on disk to describe a series of blocks to - * be revoked from the log - */ -typedef struct journal_revoke_header_s -{ - journal_header_t r_header; - int r_count; /* Count of bytes used in the block */ -} journal_revoke_header_t; - - -/* Definitions for the journal tag flags word: */ -#define JFS_FLAG_ESCAPE 1 /* on-disk block is escaped */ -#define JFS_FLAG_SAME_UUID 2 /* block has same uuid as previous */ -#define JFS_FLAG_DELETED 4 /* block deleted by this transaction */ -#define JFS_FLAG_LAST_TAG 8 /* last tag in this descriptor block */ - - - - -#define JFS_HAS_COMPAT_FEATURE(j,mask) \ - ((j)->j_format_version >= 2 && \ - ((j)->j_superblock->s_feature_compat & cpu_to_be32((mask)))) -#define JFS_HAS_RO_COMPAT_FEATURE(j,mask) \ - ((j)->j_format_version >= 2 && \ - ((j)->j_superblock->s_feature_ro_compat & cpu_to_be32((mask)))) -#define JFS_HAS_INCOMPAT_FEATURE(j,mask) \ - ((j)->j_format_version >= 2 && \ - ((j)->j_superblock->s_feature_incompat & cpu_to_be32((mask)))) - -#define JFS_FEATURE_INCOMPAT_REVOKE 0x00000001 - -/* Features known to this kernel version: */ -#define JFS_KNOWN_COMPAT_FEATURES 0 -#define JFS_KNOWN_ROCOMPAT_FEATURES 0 -#define JFS_KNOWN_INCOMPAT_FEATURES JFS_FEATURE_INCOMPAT_REVOKE - -/* Comparison functions for transaction IDs: perform comparisons using - * modulo arithmetic so that they work over sequence number wraps. */ - - -/* - * Definitions which augment the buffer_head layer - */ - -/* journaling buffer types */ -#define BJ_None 0 /* Not journaled */ -#define BJ_SyncData 1 /* Normal data: flush before commit */ -#define BJ_AsyncData 2 /* writepage data: wait on it before commit */ -#define BJ_Metadata 3 /* Normal journaled metadata */ -#define BJ_Forget 4 /* Buffer superceded by this transaction */ -#define BJ_IO 5 /* Buffer is for temporary IO use */ -#define BJ_Shadow 6 /* Buffer contents being shadowed to the log */ -#define BJ_LogCtl 7 /* Buffer contains log descriptors */ -#define BJ_Reserved 8 /* Buffer is reserved for access by journal */ -#define BJ_Types 9 - - -struct kdev_s { - e2fsck_t k_ctx; - int k_dev; -}; - -typedef struct kdev_s *kdev_t; -typedef unsigned int tid_t; - -struct journal_s -{ - unsigned long j_flags; - int j_errno; - struct buffer_head * j_sb_buffer; - struct journal_superblock_s *j_superblock; - int j_format_version; - unsigned long j_head; - unsigned long j_tail; - unsigned long j_free; - unsigned long j_first, j_last; - kdev_t j_dev; - kdev_t j_fs_dev; - int j_blocksize; - unsigned int j_blk_offset; - unsigned int j_maxlen; - struct inode * j_inode; - tid_t j_tail_sequence; - tid_t j_transaction_sequence; - __u8 j_uuid[16]; - struct jbd_revoke_table_s *j_revoke; -}; - -typedef struct journal_s journal_t; - -extern int journal_recover (journal_t *journal); -extern int journal_skip_recovery (journal_t *); - -/* Primary revoke support */ -extern int journal_init_revoke(journal_t *, int); -extern void journal_destroy_revoke_caches(void); -extern int journal_init_revoke_caches(void); - -/* Recovery revoke support */ -extern int journal_set_revoke(journal_t *, unsigned long, tid_t); -extern int journal_test_revoke(journal_t *, unsigned long, tid_t); -extern void journal_clear_revoke(journal_t *); -extern void journal_brelse_array(struct buffer_head *b[], int n); - -extern void journal_destroy_revoke(journal_t *); - - -#endif /* _LINUX_JBD_H */ diff --git a/e2fsprogs/ext2fs/kernel-list.h b/e2fsprogs/ext2fs/kernel-list.h deleted file mode 100644 index 3392596..0000000 --- a/e2fsprogs/ext2fs/kernel-list.h +++ /dev/null @@ -1,113 +0,0 @@ -/* vi: set sw=4 ts=4: */ -#ifndef _LINUX_LIST_H -#define _LINUX_LIST_H - -/* - * Simple doubly linked list implementation. - * - * Some of the internal functions ("__xxx") are useful when - * manipulating whole lists rather than single entries, as - * sometimes we already know the next/prev entries and we can - * generate better code by using them directly rather than - * using the generic single-entry routines. - */ - -struct list_head { - struct list_head *next, *prev; -}; - -#define LIST_HEAD_INIT(name) { &(name), &(name) } - -#define LIST_HEAD(name) \ - struct list_head name = { &name, &name } - -#define INIT_LIST_HEAD(ptr) do { \ - (ptr)->next = (ptr); (ptr)->prev = (ptr); \ -} while (0) - -#if (!defined(__GNUC__) && !defined(__WATCOMC__)) -#define __inline__ -#endif - -/* - * Insert a new entry between two known consecutive entries. - * - * This is only for internal list manipulation where we know - * the prev/next entries already! - */ -static __inline__ void __list_add(struct list_head * new, - struct list_head * prev, - struct list_head * next) -{ - next->prev = new; - new->next = next; - new->prev = prev; - prev->next = new; -} - -/* - * Insert a new entry after the specified head.. - */ -static __inline__ void list_add(struct list_head *new, struct list_head *head) -{ - __list_add(new, head, head->next); -} - -/* - * Insert a new entry at the tail - */ -static __inline__ void list_add_tail(struct list_head *new, struct list_head *head) -{ - __list_add(new, head->prev, head); -} - -/* - * Delete a list entry by making the prev/next entries - * point to each other. - * - * This is only for internal list manipulation where we know - * the prev/next entries already! - */ -static __inline__ void __list_del(struct list_head * prev, - struct list_head * next) -{ - next->prev = prev; - prev->next = next; -} - -static __inline__ void list_del(struct list_head *entry) -{ - __list_del(entry->prev, entry->next); -} - -static __inline__ int list_empty(struct list_head *head) -{ - return head->next == head; -} - -/* - * Splice in "list" into "head" - */ -static __inline__ void list_splice(struct list_head *list, struct list_head *head) -{ - struct list_head *first = list->next; - - if (first != list) { - struct list_head *last = list->prev; - struct list_head *at = head->next; - - first->prev = head; - head->next = first; - - last->next = at; - at->prev = last; - } -} - -#define list_entry(ptr, type, member) \ - ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member))) - -#define list_for_each(pos, head) \ - for (pos = (head)->next; pos != (head); pos = pos->next) - -#endif diff --git a/e2fsprogs/ext2fs/link.c b/e2fsprogs/ext2fs/link.c deleted file mode 100644 index 08b2e96..0000000 --- a/e2fsprogs/ext2fs/link.c +++ /dev/null @@ -1,135 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * link.c --- create links in a ext2fs directory - * - * Copyright (C) 1993, 1994 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct link_struct { - const char *name; - int namelen; - ext2_ino_t inode; - int flags; - int done; - struct ext2_super_block *sb; -}; - -static int link_proc(struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data) -{ - struct link_struct *ls = (struct link_struct *) priv_data; - struct ext2_dir_entry *next; - int rec_len, min_rec_len; - int ret = 0; - - rec_len = EXT2_DIR_REC_LEN(ls->namelen); - - /* - * See if the following directory entry (if any) is unused; - * if so, absorb it into this one. - */ - next = (struct ext2_dir_entry *) (buf + offset + dirent->rec_len); - if ((offset + dirent->rec_len < blocksize - 8) && - (next->inode == 0) && - (offset + dirent->rec_len + next->rec_len <= blocksize)) { - dirent->rec_len += next->rec_len; - ret = DIRENT_CHANGED; - } - - /* - * If the directory entry is used, see if we can split the - * directory entry to make room for the new name. If so, - * truncate it and return. - */ - if (dirent->inode) { - min_rec_len = EXT2_DIR_REC_LEN(dirent->name_len & 0xFF); - if (dirent->rec_len < (min_rec_len + rec_len)) - return ret; - rec_len = dirent->rec_len - min_rec_len; - dirent->rec_len = min_rec_len; - next = (struct ext2_dir_entry *) (buf + offset + - dirent->rec_len); - next->inode = 0; - next->name_len = 0; - next->rec_len = rec_len; - return DIRENT_CHANGED; - } - - /* - * If we get this far, then the directory entry is not used. - * See if we can fit the request entry in. If so, do it. - */ - if (dirent->rec_len < rec_len) - return ret; - dirent->inode = ls->inode; - dirent->name_len = ls->namelen; - strncpy(dirent->name, ls->name, ls->namelen); - if (ls->sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_FILETYPE) - dirent->name_len |= (ls->flags & 0x7) << 8; - - ls->done++; - return DIRENT_ABORT|DIRENT_CHANGED; -} - -/* - * Note: the low 3 bits of the flags field are used as the directory - * entry filetype. - */ -#ifdef __TURBOC__ -# pragma argsused -#endif -errcode_t ext2fs_link(ext2_filsys fs, ext2_ino_t dir, const char *name, - ext2_ino_t ino, int flags) -{ - errcode_t retval; - struct link_struct ls; - struct ext2_inode inode; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!(fs->flags & EXT2_FLAG_RW)) - return EXT2_ET_RO_FILSYS; - - ls.name = name; - ls.namelen = name ? strlen(name) : 0; - ls.inode = ino; - ls.flags = flags; - ls.done = 0; - ls.sb = fs->super; - - retval = ext2fs_dir_iterate(fs, dir, DIRENT_FLAG_INCLUDE_EMPTY, - 0, link_proc, &ls); - if (retval) - return retval; - - if (!ls.done) - return EXT2_ET_DIR_NO_SPACE; - - if ((retval = ext2fs_read_inode(fs, dir, &inode)) != 0) - return retval; - - if (inode.i_flags & EXT2_INDEX_FL) { - inode.i_flags &= ~EXT2_INDEX_FL; - if ((retval = ext2fs_write_inode(fs, dir, &inode)) != 0) - return retval; - } - - return 0; -} diff --git a/e2fsprogs/ext2fs/lookup.c b/e2fsprogs/ext2fs/lookup.c deleted file mode 100644 index 31b30a1..0000000 --- a/e2fsprogs/ext2fs/lookup.c +++ /dev/null @@ -1,70 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * lookup.c --- ext2fs directory lookup operations - * - * Copyright (C) 1993, 1994, 1994, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct lookup_struct { - const char *name; - int len; - ext2_ino_t *inode; - int found; -}; - -#ifdef __TURBOC__ -# pragma argsused -#endif -static int lookup_proc(struct ext2_dir_entry *dirent, - int offset EXT2FS_ATTR((unused)), - int blocksize EXT2FS_ATTR((unused)), - char *buf EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct lookup_struct *ls = (struct lookup_struct *) priv_data; - - if (ls->len != (dirent->name_len & 0xFF)) - return 0; - if (strncmp(ls->name, dirent->name, (dirent->name_len & 0xFF))) - return 0; - *ls->inode = dirent->inode; - ls->found++; - return DIRENT_ABORT; -} - - -errcode_t ext2fs_lookup(ext2_filsys fs, ext2_ino_t dir, const char *name, - int namelen, char *buf, ext2_ino_t *inode) -{ - errcode_t retval; - struct lookup_struct ls; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - ls.name = name; - ls.len = namelen; - ls.inode = inode; - ls.found = 0; - - retval = ext2fs_dir_iterate(fs, dir, 0, buf, lookup_proc, &ls); - if (retval) - return retval; - - return (ls.found) ? 0 : EXT2_ET_FILE_NOT_FOUND; -} - - diff --git a/e2fsprogs/ext2fs/mkdir.c b/e2fsprogs/ext2fs/mkdir.c deleted file mode 100644 index b63c5d7..0000000 --- a/e2fsprogs/ext2fs/mkdir.c +++ /dev/null @@ -1,142 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * mkdir.c --- make a directory in the filesystem - * - * Copyright (C) 1994, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -#ifndef EXT2_FT_DIR -#define EXT2_FT_DIR 2 -#endif - -errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum, - const char *name) -{ - errcode_t retval; - struct ext2_inode parent_inode, inode; - ext2_ino_t ino = inum; - ext2_ino_t scratch_ino; - blk_t blk; - char *block = 0; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - /* - * Allocate an inode, if necessary - */ - if (!ino) { - retval = ext2fs_new_inode(fs, parent, LINUX_S_IFDIR | 0755, - 0, &ino); - if (retval) - goto cleanup; - } - - /* - * Allocate a data block for the directory - */ - retval = ext2fs_new_block(fs, 0, 0, &blk); - if (retval) - goto cleanup; - - /* - * Create a scratch template for the directory - */ - retval = ext2fs_new_dir_block(fs, ino, parent, &block); - if (retval) - goto cleanup; - - /* - * Get the parent's inode, if necessary - */ - if (parent != ino) { - retval = ext2fs_read_inode(fs, parent, &parent_inode); - if (retval) - goto cleanup; - } else - memset(&parent_inode, 0, sizeof(parent_inode)); - - /* - * Create the inode structure.... - */ - memset(&inode, 0, sizeof(struct ext2_inode)); - inode.i_mode = LINUX_S_IFDIR | (0777 & ~fs->umask); - inode.i_uid = inode.i_gid = 0; - inode.i_blocks = fs->blocksize / 512; - inode.i_block[0] = blk; - inode.i_links_count = 2; - inode.i_ctime = inode.i_atime = inode.i_mtime = time(NULL); - inode.i_size = fs->blocksize; - - /* - * Write out the inode and inode data block - */ - retval = ext2fs_write_dir_block(fs, blk, block); - if (retval) - goto cleanup; - retval = ext2fs_write_new_inode(fs, ino, &inode); - if (retval) - goto cleanup; - - /* - * Link the directory into the filesystem hierarchy - */ - if (name) { - retval = ext2fs_lookup(fs, parent, name, strlen(name), 0, - &scratch_ino); - if (!retval) { - retval = EXT2_ET_DIR_EXISTS; - name = 0; - goto cleanup; - } - if (retval != EXT2_ET_FILE_NOT_FOUND) - goto cleanup; - retval = ext2fs_link(fs, parent, name, ino, EXT2_FT_DIR); - if (retval) - goto cleanup; - } - - /* - * Update parent inode's counts - */ - if (parent != ino) { - parent_inode.i_links_count++; - retval = ext2fs_write_inode(fs, parent, &parent_inode); - if (retval) - goto cleanup; - } - - /* - * Update accounting.... - */ - ext2fs_block_alloc_stats(fs, blk, +1); - ext2fs_inode_alloc_stats2(fs, ino, +1, 1); - -cleanup: - ext2fs_free_mem(&block); - return retval; - -} - - diff --git a/e2fsprogs/ext2fs/mkjournal.c b/e2fsprogs/ext2fs/mkjournal.c deleted file mode 100644 index 5bdd346..0000000 --- a/e2fsprogs/ext2fs/mkjournal.c +++ /dev/null @@ -1,428 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * mkjournal.c --- make a journal for a filesystem - * - * Copyright (C) 2000 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#if HAVE_SYS_IOCTL_H -#include <sys/ioctl.h> -#endif -#if HAVE_NETINET_IN_H -#include <netinet/in.h> -#endif - -#include "ext2_fs.h" -#include "../e2p/e2p.h" -#include "../e2fsck.h" -#include "ext2fs.h" -#include "kernel-jbd.h" - -/* - * This function automatically sets up the journal superblock and - * returns it as an allocated block. - */ -errcode_t ext2fs_create_journal_superblock(ext2_filsys fs, - __u32 size, int flags, - char **ret_jsb) -{ - errcode_t retval; - journal_superblock_t *jsb; - - if (size < 1024) - return EXT2_ET_JOURNAL_TOO_SMALL; - - if ((retval = ext2fs_get_mem(fs->blocksize, &jsb))) - return retval; - - memset (jsb, 0, fs->blocksize); - - jsb->s_header.h_magic = htonl(JFS_MAGIC_NUMBER); - if (flags & EXT2_MKJOURNAL_V1_SUPER) - jsb->s_header.h_blocktype = htonl(JFS_SUPERBLOCK_V1); - else - jsb->s_header.h_blocktype = htonl(JFS_SUPERBLOCK_V2); - jsb->s_blocksize = htonl(fs->blocksize); - jsb->s_maxlen = htonl(size); - jsb->s_nr_users = htonl(1); - jsb->s_first = htonl(1); - jsb->s_sequence = htonl(1); - memcpy(jsb->s_uuid, fs->super->s_uuid, sizeof(fs->super->s_uuid)); - /* - * If we're creating an external journal device, we need to - * adjust these fields. - */ - if (fs->super->s_feature_incompat & - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { - jsb->s_nr_users = 0; - if (fs->blocksize == 1024) - jsb->s_first = htonl(3); - else - jsb->s_first = htonl(2); - } - - *ret_jsb = (char *) jsb; - return 0; -} - -/* - * This function writes a journal using POSIX routines. It is used - * for creating external journals and creating journals on live - * filesystems. - */ -static errcode_t write_journal_file(ext2_filsys fs, char *filename, - blk_t size, int flags) -{ - errcode_t retval; - char *buf = 0; - int fd, ret_size; - blk_t i; - - if ((retval = ext2fs_create_journal_superblock(fs, size, flags, &buf))) - return retval; - - /* Open the device or journal file */ - if ((fd = open(filename, O_WRONLY)) < 0) { - retval = errno; - goto errout; - } - - /* Write the superblock out */ - retval = EXT2_ET_SHORT_WRITE; - ret_size = write(fd, buf, fs->blocksize); - if (ret_size < 0) { - retval = errno; - goto errout; - } - if (ret_size != (int) fs->blocksize) - goto errout; - memset(buf, 0, fs->blocksize); - - for (i = 1; i < size; i++) { - ret_size = write(fd, buf, fs->blocksize); - if (ret_size < 0) { - retval = errno; - goto errout; - } - if (ret_size != (int) fs->blocksize) - goto errout; - } - close(fd); - - retval = 0; -errout: - ext2fs_free_mem(&buf); - return retval; -} - -/* - * Helper function for creating the journal using direct I/O routines - */ -struct mkjournal_struct { - int num_blocks; - int newblocks; - char *buf; - errcode_t err; -}; - -static int mkjournal_proc(ext2_filsys fs, - blk_t *blocknr, - e2_blkcnt_t blockcnt, - blk_t ref_block EXT2FS_ATTR((unused)), - int ref_offset EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct mkjournal_struct *es = (struct mkjournal_struct *) priv_data; - blk_t new_blk; - static blk_t last_blk = 0; - errcode_t retval; - - if (*blocknr) { - last_blk = *blocknr; - return 0; - } - retval = ext2fs_new_block(fs, last_blk, 0, &new_blk); - if (retval) { - es->err = retval; - return BLOCK_ABORT; - } - if (blockcnt > 0) - es->num_blocks--; - - es->newblocks++; - retval = io_channel_write_blk(fs->io, new_blk, 1, es->buf); - - if (blockcnt == 0) - memset(es->buf, 0, fs->blocksize); - - if (retval) { - es->err = retval; - return BLOCK_ABORT; - } - *blocknr = new_blk; - last_blk = new_blk; - ext2fs_block_alloc_stats(fs, new_blk, +1); - - if (es->num_blocks == 0) - return (BLOCK_CHANGED | BLOCK_ABORT); - else - return BLOCK_CHANGED; - -} - -/* - * This function creates a journal using direct I/O routines. - */ -static errcode_t write_journal_inode(ext2_filsys fs, ext2_ino_t journal_ino, - blk_t size, int flags) -{ - char *buf; - errcode_t retval; - struct ext2_inode inode; - struct mkjournal_struct es; - - if ((retval = ext2fs_create_journal_superblock(fs, size, flags, &buf))) - return retval; - - if ((retval = ext2fs_read_bitmaps(fs))) - return retval; - - if ((retval = ext2fs_read_inode(fs, journal_ino, &inode))) - return retval; - - if (inode.i_blocks > 0) - return EEXIST; - - es.num_blocks = size; - es.newblocks = 0; - es.buf = buf; - es.err = 0; - - retval = ext2fs_block_iterate2(fs, journal_ino, BLOCK_FLAG_APPEND, - 0, mkjournal_proc, &es); - if (es.err) { - retval = es.err; - goto errout; - } - - if ((retval = ext2fs_read_inode(fs, journal_ino, &inode))) - goto errout; - - inode.i_size += fs->blocksize * size; - inode.i_blocks += (fs->blocksize / 512) * es.newblocks; - inode.i_mtime = inode.i_ctime = time(0); - inode.i_links_count = 1; - inode.i_mode = LINUX_S_IFREG | 0600; - - if ((retval = ext2fs_write_inode(fs, journal_ino, &inode))) - goto errout; - retval = 0; - - memcpy(fs->super->s_jnl_blocks, inode.i_block, EXT2_N_BLOCKS*4); - fs->super->s_jnl_blocks[16] = inode.i_size; - fs->super->s_jnl_backup_type = EXT3_JNL_BACKUP_BLOCKS; - ext2fs_mark_super_dirty(fs); - -errout: - ext2fs_free_mem(&buf); - return retval; -} - -/* - * This function adds a journal device to a filesystem - */ -errcode_t ext2fs_add_journal_device(ext2_filsys fs, ext2_filsys journal_dev) -{ - struct stat st; - errcode_t retval; - char buf[1024]; - journal_superblock_t *jsb; - int start; - __u32 i, nr_users; - - /* Make sure the device exists and is a block device */ - if (stat(journal_dev->device_name, &st) < 0) - return errno; - - if (!S_ISBLK(st.st_mode)) - return EXT2_ET_JOURNAL_NOT_BLOCK; /* Must be a block device */ - - /* Get the journal superblock */ - start = 1; - if (journal_dev->blocksize == 1024) - start++; - if ((retval = io_channel_read_blk(journal_dev->io, start, -1024, buf))) - return retval; - - jsb = (journal_superblock_t *) buf; - if ((jsb->s_header.h_magic != (unsigned) ntohl(JFS_MAGIC_NUMBER)) || - (jsb->s_header.h_blocktype != (unsigned) ntohl(JFS_SUPERBLOCK_V2))) - return EXT2_ET_NO_JOURNAL_SB; - - if (ntohl(jsb->s_blocksize) != (unsigned long) fs->blocksize) - return EXT2_ET_UNEXPECTED_BLOCK_SIZE; - - /* Check and see if this filesystem has already been added */ - nr_users = ntohl(jsb->s_nr_users); - for (i=0; i < nr_users; i++) { - if (memcmp(fs->super->s_uuid, - &jsb->s_users[i*16], 16) == 0) - break; - } - if (i >= nr_users) { - memcpy(&jsb->s_users[nr_users*16], - fs->super->s_uuid, 16); - jsb->s_nr_users = htonl(nr_users+1); - } - - /* Writeback the journal superblock */ - if ((retval = io_channel_write_blk(journal_dev->io, start, -1024, buf))) - return retval; - - fs->super->s_journal_inum = 0; - fs->super->s_journal_dev = st.st_rdev; - memcpy(fs->super->s_journal_uuid, jsb->s_uuid, - sizeof(fs->super->s_journal_uuid)); - fs->super->s_feature_compat |= EXT3_FEATURE_COMPAT_HAS_JOURNAL; - ext2fs_mark_super_dirty(fs); - return 0; -} - -/* - * This function adds a journal inode to a filesystem, using either - * POSIX routines if the filesystem is mounted, or using direct I/O - * functions if it is not. - */ -errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t size, int flags) -{ - errcode_t retval; - ext2_ino_t journal_ino; - struct stat st; - char jfile[1024]; - int fd, mount_flags, f; - - retval = ext2fs_check_mount_point(fs->device_name, &mount_flags, - jfile, sizeof(jfile)-10); - if (retval) - return retval; - - if (mount_flags & EXT2_MF_MOUNTED) { - strcat(jfile, "/.journal"); - - /* - * If .../.journal already exists, make sure any - * immutable or append-only flags are cleared. - */ -#if defined(HAVE_CHFLAGS) && defined(UF_NODUMP) - (void) chflags (jfile, 0); -#else -#if HAVE_EXT2_IOCTLS - fd = open(jfile, O_RDONLY); - if (fd >= 0) { - f = 0; - ioctl(fd, EXT2_IOC_SETFLAGS, &f); - close(fd); - } -#endif -#endif - - /* Create the journal file */ - if ((fd = open(jfile, O_CREAT|O_WRONLY, 0600)) < 0) - return errno; - - if ((retval = write_journal_file(fs, jfile, size, flags))) - goto errout; - - /* Get inode number of the journal file */ - if (fstat(fd, &st) < 0) - goto errout; - -#if defined(HAVE_CHFLAGS) && defined(UF_NODUMP) - retval = fchflags (fd, UF_NODUMP|UF_IMMUTABLE); -#else -#if HAVE_EXT2_IOCTLS - f = EXT2_NODUMP_FL | EXT2_IMMUTABLE_FL; - retval = ioctl(fd, EXT2_IOC_SETFLAGS, &f); -#endif -#endif - if (retval) - goto errout; - - close(fd); - journal_ino = st.st_ino; - } else { - journal_ino = EXT2_JOURNAL_INO; - if ((retval = write_journal_inode(fs, journal_ino, - size, flags))) - return retval; - } - - fs->super->s_journal_inum = journal_ino; - fs->super->s_journal_dev = 0; - memset(fs->super->s_journal_uuid, 0, - sizeof(fs->super->s_journal_uuid)); - fs->super->s_feature_compat |= EXT3_FEATURE_COMPAT_HAS_JOURNAL; - - ext2fs_mark_super_dirty(fs); - return 0; -errout: - close(fd); - return retval; -} - -#ifdef DEBUG -main(int argc, char **argv) -{ - errcode_t retval; - char *device_name; - ext2_filsys fs; - - if (argc < 2) { - fprintf(stderr, "Usage: %s filesystem\n", argv[0]); - exit(1); - } - device_name = argv[1]; - - retval = ext2fs_open (device_name, EXT2_FLAG_RW, 0, 0, - unix_io_manager, &fs); - if (retval) { - com_err(argv[0], retval, "while opening %s", device_name); - exit(1); - } - - retval = ext2fs_add_journal_inode(fs, 1024); - if (retval) { - com_err(argv[0], retval, "while adding journal to %s", - device_name); - exit(1); - } - retval = ext2fs_flush(fs); - if (retval) { - printf("Warning, had trouble writing out superblocks.\n"); - } - ext2fs_close(fs); - exit(0); - -} -#endif diff --git a/e2fsprogs/ext2fs/namei.c b/e2fsprogs/ext2fs/namei.c deleted file mode 100644 index 9889670..0000000 --- a/e2fsprogs/ext2fs/namei.c +++ /dev/null @@ -1,205 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * namei.c --- ext2fs directory lookup operations - * - * Copyright (C) 1993, 1994, 1994, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -/* #define NAMEI_DEBUG */ - -#include "ext2_fs.h" -#include "ext2fs.h" - -static errcode_t open_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t base, - const char *pathname, size_t pathlen, int follow, - int link_count, char *buf, ext2_ino_t *res_inode); - -static errcode_t follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t dir, - ext2_ino_t inode, int link_count, - char *buf, ext2_ino_t *res_inode) -{ - char *pathname; - char *buffer = 0; - errcode_t retval; - struct ext2_inode ei; - -#ifdef NAMEI_DEBUG - printf("follow_link: root=%lu, dir=%lu, inode=%lu, lc=%d\n", - root, dir, inode, link_count); - -#endif - retval = ext2fs_read_inode (fs, inode, &ei); - if (retval) return retval; - if (!LINUX_S_ISLNK (ei.i_mode)) { - *res_inode = inode; - return 0; - } - if (link_count++ > 5) { - return EXT2_ET_SYMLINK_LOOP; - } - if (ext2fs_inode_data_blocks(fs,&ei)) { - retval = ext2fs_get_mem(fs->blocksize, &buffer); - if (retval) - return retval; - retval = io_channel_read_blk(fs->io, ei.i_block[0], 1, buffer); - if (retval) { - ext2fs_free_mem(&buffer); - return retval; - } - pathname = buffer; - } else - pathname = (char *)&(ei.i_block[0]); - retval = open_namei(fs, root, dir, pathname, ei.i_size, 1, - link_count, buf, res_inode); - ext2fs_free_mem(&buffer); - return retval; -} - -/* - * This routine interprets a pathname in the context of the current - * directory and the root directory, and returns the inode of the - * containing directory, and a pointer to the filename of the file - * (pointing into the pathname) and the length of the filename. - */ -static errcode_t dir_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t dir, - const char *pathname, int pathlen, - int link_count, char *buf, - const char **name, int *namelen, - ext2_ino_t *res_inode) -{ - char c; - const char *thisname; - int len; - ext2_ino_t inode; - errcode_t retval; - - if ((c = *pathname) == '/') { - dir = root; - pathname++; - pathlen--; - } - while (1) { - thisname = pathname; - for (len=0; --pathlen >= 0;len++) { - c = *(pathname++); - if (c == '/') - break; - } - if (pathlen < 0) - break; - retval = ext2fs_lookup (fs, dir, thisname, len, buf, &inode); - if (retval) return retval; - retval = follow_link (fs, root, dir, inode, - link_count, buf, &dir); - if (retval) return retval; - } - *name = thisname; - *namelen = len; - *res_inode = dir; - return 0; -} - -static errcode_t open_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t base, - const char *pathname, size_t pathlen, int follow, - int link_count, char *buf, ext2_ino_t *res_inode) -{ - const char *basename; - int namelen; - ext2_ino_t dir, inode; - errcode_t retval; - -#ifdef NAMEI_DEBUG - printf("open_namei: root=%lu, dir=%lu, path=%*s, lc=%d\n", - root, base, pathlen, pathname, link_count); -#endif - retval = dir_namei(fs, root, base, pathname, pathlen, - link_count, buf, &basename, &namelen, &dir); - if (retval) return retval; - if (!namelen) { /* special case: '/usr/' etc */ - *res_inode=dir; - return 0; - } - retval = ext2fs_lookup (fs, dir, basename, namelen, buf, &inode); - if (retval) - return retval; - if (follow) { - retval = follow_link(fs, root, dir, inode, link_count, - buf, &inode); - if (retval) - return retval; - } -#ifdef NAMEI_DEBUG - printf("open_namei: (link_count=%d) returns %lu\n", - link_count, inode); -#endif - *res_inode = inode; - return 0; -} - -errcode_t ext2fs_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, - const char *name, ext2_ino_t *inode) -{ - char *buf; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - - retval = open_namei(fs, root, cwd, name, strlen(name), 0, 0, - buf, inode); - - ext2fs_free_mem(&buf); - return retval; -} - -errcode_t ext2fs_namei_follow(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, - const char *name, ext2_ino_t *inode) -{ - char *buf; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - - retval = open_namei(fs, root, cwd, name, strlen(name), 1, 0, - buf, inode); - - ext2fs_free_mem(&buf); - return retval; -} - -errcode_t ext2fs_follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, - ext2_ino_t inode, ext2_ino_t *res_inode) -{ - char *buf; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - - retval = follow_link(fs, root, cwd, inode, 0, buf, res_inode); - - ext2fs_free_mem(&buf); - return retval; -} - diff --git a/e2fsprogs/ext2fs/newdir.c b/e2fsprogs/ext2fs/newdir.c deleted file mode 100644 index 9470e7f..0000000 --- a/e2fsprogs/ext2fs/newdir.c +++ /dev/null @@ -1,73 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * newdir.c --- create a new directory block - * - * Copyright (C) 1994, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -#ifndef EXT2_FT_DIR -#define EXT2_FT_DIR 2 -#endif - -/* - * Create new directory block - */ -errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino, - ext2_ino_t parent_ino, char **block) -{ - struct ext2_dir_entry *dir = NULL; - errcode_t retval; - char *buf; - int rec_len; - int filetype = 0; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - memset(buf, 0, fs->blocksize); - dir = (struct ext2_dir_entry *) buf; - dir->rec_len = fs->blocksize; - - if (dir_ino) { - if (fs->super->s_feature_incompat & - EXT2_FEATURE_INCOMPAT_FILETYPE) - filetype = EXT2_FT_DIR << 8; - /* - * Set up entry for '.' - */ - dir->inode = dir_ino; - dir->name_len = 1 | filetype; - dir->name[0] = '.'; - rec_len = dir->rec_len - EXT2_DIR_REC_LEN(1); - dir->rec_len = EXT2_DIR_REC_LEN(1); - - /* - * Set up entry for '..' - */ - dir = (struct ext2_dir_entry *) (buf + dir->rec_len); - dir->rec_len = rec_len; - dir->inode = parent_ino; - dir->name_len = 2 | filetype; - dir->name[0] = '.'; - dir->name[1] = '.'; - - } - *block = buf; - return 0; -} diff --git a/e2fsprogs/ext2fs/openfs.c b/e2fsprogs/ext2fs/openfs.c deleted file mode 100644 index 716be06..0000000 --- a/e2fsprogs/ext2fs/openfs.c +++ /dev/null @@ -1,330 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * openfs.c --- open an ext2 filesystem - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" - - -#include "ext2fs.h" -#include "e2image.h" - -blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block, dgrp_t i) -{ - int bg; - int has_super = 0; - int ret_blk; - - if (!(fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) || - (i < fs->super->s_first_meta_bg)) - return (group_block + i + 1); - - bg = (fs->blocksize / sizeof (struct ext2_group_desc)) * i; - if (ext2fs_bg_has_super(fs, bg)) - has_super = 1; - ret_blk = (fs->super->s_first_data_block + has_super + - (bg * fs->super->s_blocks_per_group)); - /* - * If group_block is not the normal value, we're trying to use - * the backup group descriptors and superblock --- so use the - * alternate location of the second block group in the - * metablock group. Ideally we should be testing each bg - * descriptor block individually for correctness, but we don't - * have the infrastructure in place to do that. - */ - if (group_block != fs->super->s_first_data_block && - ((ret_blk + fs->super->s_blocks_per_group) < - fs->super->s_blocks_count)) - ret_blk += fs->super->s_blocks_per_group; - return ret_blk; -} - -errcode_t ext2fs_open(const char *name, int flags, int superblock, - unsigned int block_size, io_manager manager, - ext2_filsys *ret_fs) -{ - return ext2fs_open2(name, 0, flags, superblock, block_size, - manager, ret_fs); -} - -/* - * Note: if superblock is non-zero, block-size must also be non-zero. - * Superblock and block_size can be zero to use the default size. - * - * Valid flags for ext2fs_open() - * - * EXT2_FLAG_RW - Open the filesystem for read/write. - * EXT2_FLAG_FORCE - Open the filesystem even if some of the - * features aren't supported. - * EXT2_FLAG_JOURNAL_DEV_OK - Open an ext3 journal device - */ -errcode_t ext2fs_open2(const char *name, const char *io_options, - int flags, int superblock, - unsigned int block_size, io_manager manager, - ext2_filsys *ret_fs) -{ - ext2_filsys fs; - errcode_t retval; - unsigned long i; - int groups_per_block, blocks_per_group; - blk_t group_block, blk; - char *dest, *cp; -#if BB_BIG_ENDIAN - int j; - struct ext2_group_desc *gdp; -#endif - - EXT2_CHECK_MAGIC(manager, EXT2_ET_MAGIC_IO_MANAGER); - - retval = ext2fs_get_mem(sizeof(struct struct_ext2_filsys), &fs); - if (retval) - return retval; - - memset(fs, 0, sizeof(struct struct_ext2_filsys)); - fs->magic = EXT2_ET_MAGIC_EXT2FS_FILSYS; - fs->flags = flags; - fs->umask = 022; - retval = ext2fs_get_mem(strlen(name)+1, &fs->device_name); - if (retval) - goto cleanup; - strcpy(fs->device_name, name); - cp = strchr(fs->device_name, '?'); - if (!io_options && cp) { - *cp++ = 0; - io_options = cp; - } - - retval = manager->open(fs->device_name, - (flags & EXT2_FLAG_RW) ? IO_FLAG_RW : 0, - &fs->io); - if (retval) - goto cleanup; - if (io_options && - (retval = io_channel_set_options(fs->io, io_options))) - goto cleanup; - fs->image_io = fs->io; - fs->io->app_data = fs; - retval = ext2fs_get_mem(SUPERBLOCK_SIZE, &fs->super); - if (retval) - goto cleanup; - if (flags & EXT2_FLAG_IMAGE_FILE) { - retval = ext2fs_get_mem(sizeof(struct ext2_image_hdr), - &fs->image_header); - if (retval) - goto cleanup; - retval = io_channel_read_blk(fs->io, 0, - -(int)sizeof(struct ext2_image_hdr), - fs->image_header); - if (retval) - goto cleanup; - if (fs->image_header->magic_number != EXT2_ET_MAGIC_E2IMAGE) - return EXT2_ET_MAGIC_E2IMAGE; - superblock = 1; - block_size = fs->image_header->fs_blocksize; - } - - /* - * If the user specifies a specific block # for the - * superblock, then he/she must also specify the block size! - * Otherwise, read the master superblock located at offset - * SUPERBLOCK_OFFSET from the start of the partition. - * - * Note: we only save a backup copy of the superblock if we - * are reading the superblock from the primary superblock location. - */ - if (superblock) { - if (!block_size) { - retval = EXT2_ET_INVALID_ARGUMENT; - goto cleanup; - } - io_channel_set_blksize(fs->io, block_size); - group_block = superblock; - fs->orig_super = 0; - } else { - io_channel_set_blksize(fs->io, SUPERBLOCK_OFFSET); - superblock = 1; - group_block = 0; - retval = ext2fs_get_mem(SUPERBLOCK_SIZE, &fs->orig_super); - if (retval) - goto cleanup; - } - retval = io_channel_read_blk(fs->io, superblock, -SUPERBLOCK_SIZE, - fs->super); - if (retval) - goto cleanup; - if (fs->orig_super) - memcpy(fs->orig_super, fs->super, SUPERBLOCK_SIZE); - -#if BB_BIG_ENDIAN - if ((fs->super->s_magic == ext2fs_swab16(EXT2_SUPER_MAGIC)) || - (fs->flags & EXT2_FLAG_SWAP_BYTES)) { - fs->flags |= EXT2_FLAG_SWAP_BYTES; - - ext2fs_swap_super(fs->super); - } -#endif - - if (fs->super->s_magic != EXT2_SUPER_MAGIC) { - retval = EXT2_ET_BAD_MAGIC; - goto cleanup; - } - if (fs->super->s_rev_level > EXT2_LIB_CURRENT_REV) { - retval = EXT2_ET_REV_TOO_HIGH; - goto cleanup; - } - - /* - * Check for feature set incompatibility - */ - if (!(flags & EXT2_FLAG_FORCE)) { - if (fs->super->s_feature_incompat & - ~EXT2_LIB_FEATURE_INCOMPAT_SUPP) { - retval = EXT2_ET_UNSUPP_FEATURE; - goto cleanup; - } - if ((flags & EXT2_FLAG_RW) && - (fs->super->s_feature_ro_compat & - ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP)) { - retval = EXT2_ET_RO_UNSUPP_FEATURE; - goto cleanup; - } - if (!(flags & EXT2_FLAG_JOURNAL_DEV_OK) && - (fs->super->s_feature_incompat & - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)) { - retval = EXT2_ET_UNSUPP_FEATURE; - goto cleanup; - } - } - - fs->blocksize = EXT2_BLOCK_SIZE(fs->super); - if (fs->blocksize == 0) { - retval = EXT2_ET_CORRUPT_SUPERBLOCK; - goto cleanup; - } - fs->fragsize = EXT2_FRAG_SIZE(fs->super); - fs->inode_blocks_per_group = ((fs->super->s_inodes_per_group * - EXT2_INODE_SIZE(fs->super) + - EXT2_BLOCK_SIZE(fs->super) - 1) / - EXT2_BLOCK_SIZE(fs->super)); - if (block_size) { - if (block_size != fs->blocksize) { - retval = EXT2_ET_UNEXPECTED_BLOCK_SIZE; - goto cleanup; - } - } - /* - * Set the blocksize to the filesystem's blocksize. - */ - io_channel_set_blksize(fs->io, fs->blocksize); - - /* - * If this is an external journal device, don't try to read - * the group descriptors, because they're not there. - */ - if (fs->super->s_feature_incompat & - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { - fs->group_desc_count = 0; - *ret_fs = fs; - return 0; - } - - /* - * Read group descriptors - */ - blocks_per_group = EXT2_BLOCKS_PER_GROUP(fs->super); - if (blocks_per_group == 0 || - blocks_per_group > EXT2_MAX_BLOCKS_PER_GROUP(fs->super) || - fs->inode_blocks_per_group > EXT2_MAX_INODES_PER_GROUP(fs->super)) { - retval = EXT2_ET_CORRUPT_SUPERBLOCK; - goto cleanup; - } - fs->group_desc_count = (fs->super->s_blocks_count - - fs->super->s_first_data_block + - blocks_per_group - 1) / blocks_per_group; - fs->desc_blocks = (fs->group_desc_count + - EXT2_DESC_PER_BLOCK(fs->super) - 1) - / EXT2_DESC_PER_BLOCK(fs->super); - retval = ext2fs_get_mem(fs->desc_blocks * fs->blocksize, - &fs->group_desc); - if (retval) - goto cleanup; - if (!group_block) - group_block = fs->super->s_first_data_block; - dest = (char *) fs->group_desc; - groups_per_block = fs->blocksize / sizeof(struct ext2_group_desc); - for (i=0 ; i < fs->desc_blocks; i++) { - blk = ext2fs_descriptor_block_loc(fs, group_block, i); - retval = io_channel_read_blk(fs->io, blk, 1, dest); - if (retval) - goto cleanup; -#if BB_BIG_ENDIAN - if (fs->flags & EXT2_FLAG_SWAP_BYTES) { - gdp = (struct ext2_group_desc *) dest; - for (j=0; j < groups_per_block; j++) - ext2fs_swap_group_desc(gdp++); - } -#endif - dest += fs->blocksize; - } - - *ret_fs = fs; - return 0; -cleanup: - ext2fs_free(fs); - return retval; -} - -/* - * Set/get the filesystem data I/O channel. - * - * These functions are only valid if EXT2_FLAG_IMAGE_FILE is true. - */ -errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io) -{ - if ((fs->flags & EXT2_FLAG_IMAGE_FILE) == 0) - return EXT2_ET_NOT_IMAGE_FILE; - if (old_io) { - *old_io = (fs->image_io == fs->io) ? 0 : fs->io; - } - return 0; -} - -errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io) -{ - if ((fs->flags & EXT2_FLAG_IMAGE_FILE) == 0) - return EXT2_ET_NOT_IMAGE_FILE; - fs->io = new_io ? new_io : fs->image_io; - return 0; -} - -errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io) -{ - if ((fs->flags & EXT2_FLAG_IMAGE_FILE) == 0) - return EXT2_ET_NOT_IMAGE_FILE; - fs->io = fs->image_io = new_io; - fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_RW | - EXT2_FLAG_BB_DIRTY | EXT2_FLAG_IB_DIRTY; - fs->flags &= ~EXT2_FLAG_IMAGE_FILE; - return 0; -} diff --git a/e2fsprogs/ext2fs/read_bb.c b/e2fsprogs/ext2fs/read_bb.c deleted file mode 100644 index 4766157..0000000 --- a/e2fsprogs/ext2fs/read_bb.c +++ /dev/null @@ -1,98 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * read_bb --- read the bad blocks inode - * - * Copyright (C) 1994 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct read_bb_record { - ext2_badblocks_list bb_list; - errcode_t err; -}; - -/* - * Helper function for ext2fs_read_bb_inode() - */ -#ifdef __TURBOC__ -# pragma argsused -#endif -static int mark_bad_block(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)), - blk_t ref_block EXT2FS_ATTR((unused)), - int ref_offset EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct read_bb_record *rb = (struct read_bb_record *) priv_data; - - if (blockcnt < 0) - return 0; - - if ((*block_nr < fs->super->s_first_data_block) || - (*block_nr >= fs->super->s_blocks_count)) - return 0; /* Ignore illegal blocks */ - - rb->err = ext2fs_badblocks_list_add(rb->bb_list, *block_nr); - if (rb->err) - return BLOCK_ABORT; - return 0; -} - -/* - * Reads the current bad blocks from the bad blocks inode. - */ -errcode_t ext2fs_read_bb_inode(ext2_filsys fs, ext2_badblocks_list *bb_list) -{ - errcode_t retval; - struct read_bb_record rb; - struct ext2_inode inode; - blk_t numblocks; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!*bb_list) { - retval = ext2fs_read_inode(fs, EXT2_BAD_INO, &inode); - if (retval) - return retval; - if (inode.i_blocks < 500) - numblocks = (inode.i_blocks / - (fs->blocksize / 512)) + 20; - else - numblocks = 500; - retval = ext2fs_badblocks_list_create(bb_list, numblocks); - if (retval) - return retval; - } - - rb.bb_list = *bb_list; - rb.err = 0; - retval = ext2fs_block_iterate2(fs, EXT2_BAD_INO, 0, 0, - mark_bad_block, &rb); - if (retval) - return retval; - - return rb.err; -} - - diff --git a/e2fsprogs/ext2fs/read_bb_file.c b/e2fsprogs/ext2fs/read_bb_file.c deleted file mode 100644 index 831adcc..0000000 --- a/e2fsprogs/ext2fs/read_bb_file.c +++ /dev/null @@ -1,98 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * read_bb_file.c --- read a list of bad blocks from a FILE * - * - * Copyright (C) 1994, 1995, 2000 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * Reads a list of bad blocks from a FILE * - */ -errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f, - ext2_badblocks_list *bb_list, - void *priv_data, - void (*invalid)(ext2_filsys fs, - blk_t blk, - char *badstr, - void *priv_data)) -{ - errcode_t retval; - blk_t blockno; - int count; - char buf[128]; - - if (fs) - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!*bb_list) { - retval = ext2fs_badblocks_list_create(bb_list, 10); - if (retval) - return retval; - } - - while (!feof (f)) { - if (fgets(buf, sizeof(buf), f) == NULL) - break; - count = sscanf(buf, "%u", &blockno); - if (count <= 0) - continue; - if (fs && - ((blockno < fs->super->s_first_data_block) || - (blockno >= fs->super->s_blocks_count))) { - if (invalid) - (invalid)(fs, blockno, buf, priv_data); - continue; - } - retval = ext2fs_badblocks_list_add(*bb_list, blockno); - if (retval) - return retval; - } - return 0; -} - -static void call_compat_invalid(ext2_filsys fs, blk_t blk, - char *badstr EXT2FS_ATTR((unused)), - void *priv_data) -{ - void (*invalid)(ext2_filsys, blk_t); - - invalid = (void (*)(ext2_filsys, blk_t)) priv_data; - if (invalid) - invalid(fs, blk); -} - - -/* - * Reads a list of bad blocks from a FILE * - */ -errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f, - ext2_badblocks_list *bb_list, - void (*invalid)(ext2_filsys fs, blk_t blk)) -{ - return ext2fs_read_bb_FILE2(fs, f, bb_list, (void *) invalid, - call_compat_invalid); -} - - diff --git a/e2fsprogs/ext2fs/res_gdt.c b/e2fsprogs/ext2fs/res_gdt.c deleted file mode 100644 index f7ee8b1..0000000 --- a/e2fsprogs/ext2fs/res_gdt.c +++ /dev/null @@ -1,221 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * res_gdt.c --- reserve blocks for growing the group descriptor table - * during online resizing. - * - * Copyright (C) 2002 Andreas Dilger - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#include <time.h> -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * Iterate through the groups which hold BACKUP superblock/GDT copies in an - * ext3 filesystem. The counters should be initialized to 1, 5, and 7 before - * calling this for the first time. In a sparse filesystem it will be the - * sequence of powers of 3, 5, and 7: 1, 3, 5, 7, 9, 25, 27, 49, 81, ... - * For a non-sparse filesystem it will be every group: 1, 2, 3, 4, ... - */ -static unsigned int list_backups(ext2_filsys fs, unsigned int *three, - unsigned int *five, unsigned int *seven) -{ - unsigned int *min = three; - int mult = 3; - unsigned int ret; - - if (!(fs->super->s_feature_ro_compat & - EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) { - ret = *min; - *min += 1; - return ret; - } - - if (*five < *min) { - min = five; - mult = 5; - } - if (*seven < *min) { - min = seven; - mult = 7; - } - - ret = *min; - *min *= mult; - - return ret; -} - -/* - * This code assumes that the reserved blocks have already been marked in-use - * during ext2fs_initialize(), so that they are not allocated for other - * uses before we can add them to the resize inode (which has to come - * after the creation of the inode table). - */ -errcode_t ext2fs_create_resize_inode(ext2_filsys fs) -{ - errcode_t retval, retval2; - struct ext2_super_block *sb; - struct ext2_inode inode; - __u32 *dindir_buf, *gdt_buf; - int rsv_add; - unsigned long long apb, inode_size; - blk_t dindir_blk, rsv_off, gdt_off, gdt_blk; - int dindir_dirty = 0, inode_dirty = 0; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - sb = fs->super; - - retval = ext2fs_get_mem(2 * fs->blocksize, (void *)&dindir_buf); - if (retval) - goto out_free; - gdt_buf = (__u32 *)((char *)dindir_buf + fs->blocksize); - - retval = ext2fs_read_inode(fs, EXT2_RESIZE_INO, &inode); - if (retval) - goto out_free; - - /* Maximum possible file size (we donly use the dindirect blocks) */ - apb = EXT2_ADDR_PER_BLOCK(sb); - rsv_add = fs->blocksize / 512; - if ((dindir_blk = inode.i_block[EXT2_DIND_BLOCK])) { -#ifdef RES_GDT_DEBUG - printf("reading GDT dindir %u\n", dindir_blk); -#endif - retval = ext2fs_read_ind_block(fs, dindir_blk, dindir_buf); - if (retval) - goto out_inode; - } else { - blk_t goal = 3 + sb->s_reserved_gdt_blocks + - fs->desc_blocks + fs->inode_blocks_per_group; - - retval = ext2fs_alloc_block(fs, goal, 0, &dindir_blk); - if (retval) - goto out_free; - inode.i_mode = LINUX_S_IFREG | 0600; - inode.i_links_count = 1; - inode.i_block[EXT2_DIND_BLOCK] = dindir_blk; - inode.i_blocks = rsv_add; - memset(dindir_buf, 0, fs->blocksize); -#ifdef RES_GDT_DEBUG - printf("allocated GDT dindir %u\n", dindir_blk); -#endif - dindir_dirty = inode_dirty = 1; - inode_size = apb*apb + apb + EXT2_NDIR_BLOCKS; - inode_size *= fs->blocksize; - inode.i_size = inode_size & 0xFFFFFFFF; - inode.i_size_high = (inode_size >> 32) & 0xFFFFFFFF; - if(inode.i_size_high) { - sb->s_feature_ro_compat |= - EXT2_FEATURE_RO_COMPAT_LARGE_FILE; - } - inode.i_ctime = time(0); - } - - for (rsv_off = 0, gdt_off = fs->desc_blocks, - gdt_blk = sb->s_first_data_block + 1 + fs->desc_blocks; - rsv_off < sb->s_reserved_gdt_blocks; - rsv_off++, gdt_off++, gdt_blk++) { - unsigned int three = 1, five = 5, seven = 7; - unsigned int grp, last = 0; - int gdt_dirty = 0; - - gdt_off %= apb; - if (!dindir_buf[gdt_off]) { - /* FIXME XXX XXX - blk_t new_blk; - - retval = ext2fs_new_block(fs, gdt_blk, 0, &new_blk); - if (retval) - goto out_free; - if (new_blk != gdt_blk) { - // XXX free block - retval = -1; // XXX - } - */ - gdt_dirty = dindir_dirty = inode_dirty = 1; - memset(gdt_buf, 0, fs->blocksize); - dindir_buf[gdt_off] = gdt_blk; - inode.i_blocks += rsv_add; -#ifdef RES_GDT_DEBUG - printf("added primary GDT block %u at %u[%u]\n", - gdt_blk, dindir_blk, gdt_off); -#endif - } else if (dindir_buf[gdt_off] == gdt_blk) { -#ifdef RES_GDT_DEBUG - printf("reading primary GDT block %u\n", gdt_blk); -#endif - retval = ext2fs_read_ind_block(fs, gdt_blk, gdt_buf); - if (retval) - goto out_dindir; - } else { -#ifdef RES_GDT_DEBUG - printf("bad primary GDT %u != %u at %u[%u]\n", - dindir_buf[gdt_off], gdt_blk,dindir_blk,gdt_off); -#endif - retval = EXT2_ET_RESIZE_INODE_CORRUPT; - goto out_dindir; - } - - while ((grp = list_backups(fs, &three, &five, &seven)) < - fs->group_desc_count) { - blk_t expect = gdt_blk + grp * sb->s_blocks_per_group; - - if (!gdt_buf[last]) { -#ifdef RES_GDT_DEBUG - printf("added backup GDT %u grp %u@%u[%u]\n", - expect, grp, gdt_blk, last); -#endif - gdt_buf[last] = expect; - inode.i_blocks += rsv_add; - gdt_dirty = inode_dirty = 1; - } else if (gdt_buf[last] != expect) { -#ifdef RES_GDT_DEBUG - printf("bad backup GDT %u != %u at %u[%u]\n", - gdt_buf[last], expect, gdt_blk, last); -#endif - retval = EXT2_ET_RESIZE_INODE_CORRUPT; - goto out_dindir; - } - last++; - } - if (gdt_dirty) { -#ifdef RES_GDT_DEBUG - printf("writing primary GDT block %u\n", gdt_blk); -#endif - retval = ext2fs_write_ind_block(fs, gdt_blk, gdt_buf); - if (retval) - goto out_dindir; - } - } - -out_dindir: - if (dindir_dirty) { - retval2 = ext2fs_write_ind_block(fs, dindir_blk, dindir_buf); - if (!retval) - retval = retval2; - } -out_inode: -#ifdef RES_GDT_DEBUG - printf("inode.i_blocks = %u, i_size = %u\n", inode.i_blocks, - inode.i_size); -#endif - if (inode_dirty) { - inode.i_atime = inode.i_mtime = time(0); - retval2 = ext2fs_write_inode(fs, EXT2_RESIZE_INO, &inode); - if (!retval) - retval = retval2; - } -out_free: - ext2fs_free_mem((void *)&dindir_buf); - return retval; -} - diff --git a/e2fsprogs/ext2fs/rs_bitmap.c b/e2fsprogs/ext2fs/rs_bitmap.c deleted file mode 100644 index e932b3c..0000000 --- a/e2fsprogs/ext2fs/rs_bitmap.c +++ /dev/null @@ -1,107 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * rs_bitmap.c --- routine for changing the size of a bitmap - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#ifdef HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -errcode_t ext2fs_resize_generic_bitmap(__u32 new_end, __u32 new_real_end, - ext2fs_generic_bitmap bmap) -{ - errcode_t retval; - size_t size, new_size; - __u32 bitno; - - if (!bmap) - return EXT2_ET_INVALID_ARGUMENT; - - EXT2_CHECK_MAGIC(bmap, EXT2_ET_MAGIC_GENERIC_BITMAP); - - /* - * If we're expanding the bitmap, make sure all of the new - * parts of the bitmap are zero. - */ - if (new_end > bmap->end) { - bitno = bmap->real_end; - if (bitno > new_end) - bitno = new_end; - for (; bitno > bmap->end; bitno--) - ext2fs_clear_bit(bitno - bmap->start, bmap->bitmap); - } - if (new_real_end == bmap->real_end) { - bmap->end = new_end; - return 0; - } - - size = ((bmap->real_end - bmap->start) / 8) + 1; - new_size = ((new_real_end - bmap->start) / 8) + 1; - - if (size != new_size) { - retval = ext2fs_resize_mem(size, new_size, &bmap->bitmap); - if (retval) - return retval; - } - if (new_size > size) - memset(bmap->bitmap + size, 0, new_size - size); - - bmap->end = new_end; - bmap->real_end = new_real_end; - return 0; -} - -errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end, - ext2fs_inode_bitmap bmap) -{ - errcode_t retval; - - if (!bmap) - return EXT2_ET_INVALID_ARGUMENT; - - EXT2_CHECK_MAGIC(bmap, EXT2_ET_MAGIC_INODE_BITMAP); - - bmap->magic = EXT2_ET_MAGIC_GENERIC_BITMAP; - retval = ext2fs_resize_generic_bitmap(new_end, new_real_end, - bmap); - bmap->magic = EXT2_ET_MAGIC_INODE_BITMAP; - return retval; -} - -errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end, - ext2fs_block_bitmap bmap) -{ - errcode_t retval; - - if (!bmap) - return EXT2_ET_INVALID_ARGUMENT; - - EXT2_CHECK_MAGIC(bmap, EXT2_ET_MAGIC_BLOCK_BITMAP); - - bmap->magic = EXT2_ET_MAGIC_GENERIC_BITMAP; - retval = ext2fs_resize_generic_bitmap(new_end, new_real_end, - bmap); - bmap->magic = EXT2_ET_MAGIC_BLOCK_BITMAP; - return retval; -} - diff --git a/e2fsprogs/ext2fs/rw_bitmaps.c b/e2fsprogs/ext2fs/rw_bitmaps.c deleted file mode 100644 index a5782db..0000000 --- a/e2fsprogs/ext2fs/rw_bitmaps.c +++ /dev/null @@ -1,296 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * rw_bitmaps.c --- routines to read and write the inode and block bitmaps. - * - * Copyright (C) 1993, 1994, 1994, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#ifdef HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" -#include "e2image.h" - -#if defined(__powerpc__) && BB_BIG_ENDIAN -/* - * On the PowerPC, the big-endian variant of the ext2 filesystem - * has its bitmaps stored as 32-bit words with bit 0 as the LSB - * of each word. Thus a bitmap with only bit 0 set would be, as - * a string of bytes, 00 00 00 01 00 ... - * To cope with this, we byte-reverse each word of a bitmap if - * we have a big-endian filesystem, that is, if we are *not* - * byte-swapping other word-sized numbers. - */ -#define EXT2_BIG_ENDIAN_BITMAPS -#endif - -#ifdef EXT2_BIG_ENDIAN_BITMAPS -static void ext2fs_swap_bitmap(ext2_filsys fs, char *bitmap, int nbytes) -{ - __u32 *p = (__u32 *) bitmap; - int n; - - for (n = nbytes / sizeof(__u32); n > 0; --n, ++p) - *p = ext2fs_swab32(*p); -} -#endif - -errcode_t ext2fs_write_inode_bitmap(ext2_filsys fs) -{ - dgrp_t i; - size_t nbytes; - errcode_t retval; - char * inode_bitmap = fs->inode_map->bitmap; - char * bitmap_block = NULL; - blk_t blk; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!(fs->flags & EXT2_FLAG_RW)) - return EXT2_ET_RO_FILSYS; - if (!inode_bitmap) - return 0; - nbytes = (size_t) ((EXT2_INODES_PER_GROUP(fs->super)+7) / 8); - - retval = ext2fs_get_mem(fs->blocksize, &bitmap_block); - if (retval) - return retval; - memset(bitmap_block, 0xff, fs->blocksize); - for (i = 0; i < fs->group_desc_count; i++) { - memcpy(bitmap_block, inode_bitmap, nbytes); - blk = fs->group_desc[i].bg_inode_bitmap; - if (blk) { -#ifdef EXT2_BIG_ENDIAN_BITMAPS - if (!((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE))) - ext2fs_swap_bitmap(fs, bitmap_block, nbytes); -#endif - retval = io_channel_write_blk(fs->io, blk, 1, - bitmap_block); - if (retval) - return EXT2_ET_INODE_BITMAP_WRITE; - } - inode_bitmap += nbytes; - } - fs->flags &= ~EXT2_FLAG_IB_DIRTY; - ext2fs_free_mem(&bitmap_block); - return 0; -} - -errcode_t ext2fs_write_block_bitmap (ext2_filsys fs) -{ - dgrp_t i; - unsigned int j; - int nbytes; - unsigned int nbits; - errcode_t retval; - char * block_bitmap = fs->block_map->bitmap; - char * bitmap_block = NULL; - blk_t blk; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!(fs->flags & EXT2_FLAG_RW)) - return EXT2_ET_RO_FILSYS; - if (!block_bitmap) - return 0; - nbytes = EXT2_BLOCKS_PER_GROUP(fs->super) / 8; - retval = ext2fs_get_mem(fs->blocksize, &bitmap_block); - if (retval) - return retval; - memset(bitmap_block, 0xff, fs->blocksize); - for (i = 0; i < fs->group_desc_count; i++) { - memcpy(bitmap_block, block_bitmap, nbytes); - if (i == fs->group_desc_count - 1) { - /* Force bitmap padding for the last group */ - nbits = ((fs->super->s_blocks_count - - fs->super->s_first_data_block) - % EXT2_BLOCKS_PER_GROUP(fs->super)); - if (nbits) - for (j = nbits; j < fs->blocksize * 8; j++) - ext2fs_set_bit(j, bitmap_block); - } - blk = fs->group_desc[i].bg_block_bitmap; - if (blk) { -#ifdef EXT2_BIG_ENDIAN_BITMAPS - if (!((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE))) - ext2fs_swap_bitmap(fs, bitmap_block, nbytes); -#endif - retval = io_channel_write_blk(fs->io, blk, 1, - bitmap_block); - if (retval) - return EXT2_ET_BLOCK_BITMAP_WRITE; - } - block_bitmap += nbytes; - } - fs->flags &= ~EXT2_FLAG_BB_DIRTY; - ext2fs_free_mem(&bitmap_block); - return 0; -} - -static errcode_t read_bitmaps(ext2_filsys fs, int do_inode, int do_block) -{ - dgrp_t i; - char *block_bitmap = 0, *inode_bitmap = 0; - char *buf; - errcode_t retval; - int block_nbytes = (int) EXT2_BLOCKS_PER_GROUP(fs->super) / 8; - int inode_nbytes = (int) EXT2_INODES_PER_GROUP(fs->super) / 8; - blk_t blk; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - fs->write_bitmaps = ext2fs_write_bitmaps; - - retval = ext2fs_get_mem(strlen(fs->device_name) + 80, &buf); - if (retval) - return retval; - if (do_block) { - ext2fs_free_block_bitmap(fs->block_map); - sprintf(buf, "block bitmap for %s", fs->device_name); - retval = ext2fs_allocate_block_bitmap(fs, buf, &fs->block_map); - if (retval) - goto cleanup; - block_bitmap = fs->block_map->bitmap; - } - if (do_inode) { - ext2fs_free_inode_bitmap(fs->inode_map); - sprintf(buf, "inode bitmap for %s", fs->device_name); - retval = ext2fs_allocate_inode_bitmap(fs, buf, &fs->inode_map); - if (retval) - goto cleanup; - inode_bitmap = fs->inode_map->bitmap; - } - ext2fs_free_mem(&buf); - - if (fs->flags & EXT2_FLAG_IMAGE_FILE) { - if (inode_bitmap) { - blk = (fs->image_header->offset_inodemap / - fs->blocksize); - retval = io_channel_read_blk(fs->image_io, blk, - -(inode_nbytes * fs->group_desc_count), - inode_bitmap); - if (retval) - goto cleanup; - } - if (block_bitmap) { - blk = (fs->image_header->offset_blockmap / - fs->blocksize); - retval = io_channel_read_blk(fs->image_io, blk, - -(block_nbytes * fs->group_desc_count), - block_bitmap); - if (retval) - goto cleanup; - } - return 0; - } - - for (i = 0; i < fs->group_desc_count; i++) { - if (block_bitmap) { - blk = fs->group_desc[i].bg_block_bitmap; - if (blk) { - retval = io_channel_read_blk(fs->io, blk, - -block_nbytes, block_bitmap); - if (retval) { - retval = EXT2_ET_BLOCK_BITMAP_READ; - goto cleanup; - } -#ifdef EXT2_BIG_ENDIAN_BITMAPS - if (!((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_READ))) - ext2fs_swap_bitmap(fs, block_bitmap, block_nbytes); -#endif - } else - memset(block_bitmap, 0, block_nbytes); - block_bitmap += block_nbytes; - } - if (inode_bitmap) { - blk = fs->group_desc[i].bg_inode_bitmap; - if (blk) { - retval = io_channel_read_blk(fs->io, blk, - -inode_nbytes, inode_bitmap); - if (retval) { - retval = EXT2_ET_INODE_BITMAP_READ; - goto cleanup; - } -#ifdef EXT2_BIG_ENDIAN_BITMAPS - if (!((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_READ))) - ext2fs_swap_bitmap(fs, inode_bitmap, inode_nbytes); -#endif - } else - memset(inode_bitmap, 0, inode_nbytes); - inode_bitmap += inode_nbytes; - } - } - return 0; - -cleanup: - if (do_block) { - ext2fs_free_mem(&fs->block_map); - } - if (do_inode) { - ext2fs_free_mem(&fs->inode_map); - } - ext2fs_free_mem(&buf); - return retval; -} - -errcode_t ext2fs_read_inode_bitmap (ext2_filsys fs) -{ - return read_bitmaps(fs, 1, 0); -} - -errcode_t ext2fs_read_block_bitmap(ext2_filsys fs) -{ - return read_bitmaps(fs, 0, 1); -} - -errcode_t ext2fs_read_bitmaps(ext2_filsys fs) -{ - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (fs->inode_map && fs->block_map) - return 0; - - return read_bitmaps(fs, !fs->inode_map, !fs->block_map); -} - -errcode_t ext2fs_write_bitmaps(ext2_filsys fs) -{ - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (fs->block_map && ext2fs_test_bb_dirty(fs)) { - retval = ext2fs_write_block_bitmap(fs); - if (retval) - return retval; - } - if (fs->inode_map && ext2fs_test_ib_dirty(fs)) { - retval = ext2fs_write_inode_bitmap(fs); - if (retval) - return retval; - } - return 0; -} - diff --git a/e2fsprogs/ext2fs/sparse.c b/e2fsprogs/ext2fs/sparse.c deleted file mode 100644 index b3d3071..0000000 --- a/e2fsprogs/ext2fs/sparse.c +++ /dev/null @@ -1,79 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * sparse.c --- find the groups in an ext2 filesystem with metadata backups - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * Copyright (C) 2002 Andreas Dilger. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> - -#include "ext2_fs.h" -#include "ext2fsP.h" - -static int test_root(int a, int b) -{ - if (a == 0) - return 1; - while (1) { - if (a == 1) - return 1; - if (a % b) - return 0; - a = a / b; - } -} - -int ext2fs_bg_has_super(ext2_filsys fs, int group_block) -{ - if (!(fs->super->s_feature_ro_compat & - EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) - return 1; - - if (test_root(group_block, 3) || (test_root(group_block, 5)) || - test_root(group_block, 7)) - return 1; - - return 0; -} - -/* - * Iterate through the groups which hold BACKUP superblock/GDT copies in an - * ext3 filesystem. The counters should be initialized to 1, 5, and 7 before - * calling this for the first time. In a sparse filesystem it will be the - * sequence of powers of 3, 5, and 7: 1, 3, 5, 7, 9, 25, 27, 49, 81, ... - * For a non-sparse filesystem it will be every group: 1, 2, 3, 4, ... - */ -unsigned int ext2fs_list_backups(ext2_filsys fs, unsigned int *three, - unsigned int *five, unsigned int *seven) -{ - unsigned int *min = three; - int mult = 3; - unsigned int ret; - - if (!(fs->super->s_feature_ro_compat & - EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) { - ret = *min; - *min += 1; - return ret; - } - - if (*five < *min) { - min = five; - mult = 5; - } - if (*seven < *min) { - min = seven; - mult = 7; - } - - ret = *min; - *min *= mult; - - return ret; -} diff --git a/e2fsprogs/ext2fs/swapfs.c b/e2fsprogs/ext2fs/swapfs.c deleted file mode 100644 index 2fca3cf..0000000 --- a/e2fsprogs/ext2fs/swapfs.c +++ /dev/null @@ -1,236 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * swapfs.c --- swap ext2 filesystem data structures - * - * Copyright (C) 1995, 1996, 2002 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <unistd.h> -#include <string.h> -#include <time.h> - -#include "ext2_fs.h" -#include "ext2fs.h" -#include "ext2_ext_attr.h" - -#if BB_BIG_ENDIAN -void ext2fs_swap_super(struct ext2_super_block * sb) -{ - int i; - sb->s_inodes_count = ext2fs_swab32(sb->s_inodes_count); - sb->s_blocks_count = ext2fs_swab32(sb->s_blocks_count); - sb->s_r_blocks_count = ext2fs_swab32(sb->s_r_blocks_count); - sb->s_free_blocks_count = ext2fs_swab32(sb->s_free_blocks_count); - sb->s_free_inodes_count = ext2fs_swab32(sb->s_free_inodes_count); - sb->s_first_data_block = ext2fs_swab32(sb->s_first_data_block); - sb->s_log_block_size = ext2fs_swab32(sb->s_log_block_size); - sb->s_log_frag_size = ext2fs_swab32(sb->s_log_frag_size); - sb->s_blocks_per_group = ext2fs_swab32(sb->s_blocks_per_group); - sb->s_frags_per_group = ext2fs_swab32(sb->s_frags_per_group); - sb->s_inodes_per_group = ext2fs_swab32(sb->s_inodes_per_group); - sb->s_mtime = ext2fs_swab32(sb->s_mtime); - sb->s_wtime = ext2fs_swab32(sb->s_wtime); - sb->s_mnt_count = ext2fs_swab16(sb->s_mnt_count); - sb->s_max_mnt_count = ext2fs_swab16(sb->s_max_mnt_count); - sb->s_magic = ext2fs_swab16(sb->s_magic); - sb->s_state = ext2fs_swab16(sb->s_state); - sb->s_errors = ext2fs_swab16(sb->s_errors); - sb->s_minor_rev_level = ext2fs_swab16(sb->s_minor_rev_level); - sb->s_lastcheck = ext2fs_swab32(sb->s_lastcheck); - sb->s_checkinterval = ext2fs_swab32(sb->s_checkinterval); - sb->s_creator_os = ext2fs_swab32(sb->s_creator_os); - sb->s_rev_level = ext2fs_swab32(sb->s_rev_level); - sb->s_def_resuid = ext2fs_swab16(sb->s_def_resuid); - sb->s_def_resgid = ext2fs_swab16(sb->s_def_resgid); - sb->s_first_ino = ext2fs_swab32(sb->s_first_ino); - sb->s_inode_size = ext2fs_swab16(sb->s_inode_size); - sb->s_block_group_nr = ext2fs_swab16(sb->s_block_group_nr); - sb->s_feature_compat = ext2fs_swab32(sb->s_feature_compat); - sb->s_feature_incompat = ext2fs_swab32(sb->s_feature_incompat); - sb->s_feature_ro_compat = ext2fs_swab32(sb->s_feature_ro_compat); - sb->s_algorithm_usage_bitmap = ext2fs_swab32(sb->s_algorithm_usage_bitmap); - sb->s_reserved_gdt_blocks = ext2fs_swab16(sb->s_reserved_gdt_blocks); - sb->s_journal_inum = ext2fs_swab32(sb->s_journal_inum); - sb->s_journal_dev = ext2fs_swab32(sb->s_journal_dev); - sb->s_last_orphan = ext2fs_swab32(sb->s_last_orphan); - sb->s_default_mount_opts = ext2fs_swab32(sb->s_default_mount_opts); - sb->s_first_meta_bg = ext2fs_swab32(sb->s_first_meta_bg); - sb->s_mkfs_time = ext2fs_swab32(sb->s_mkfs_time); - for (i=0; i < 4; i++) - sb->s_hash_seed[i] = ext2fs_swab32(sb->s_hash_seed[i]); - for (i=0; i < 17; i++) - sb->s_jnl_blocks[i] = ext2fs_swab32(sb->s_jnl_blocks[i]); - -} - -void ext2fs_swap_group_desc(struct ext2_group_desc *gdp) -{ - gdp->bg_block_bitmap = ext2fs_swab32(gdp->bg_block_bitmap); - gdp->bg_inode_bitmap = ext2fs_swab32(gdp->bg_inode_bitmap); - gdp->bg_inode_table = ext2fs_swab32(gdp->bg_inode_table); - gdp->bg_free_blocks_count = ext2fs_swab16(gdp->bg_free_blocks_count); - gdp->bg_free_inodes_count = ext2fs_swab16(gdp->bg_free_inodes_count); - gdp->bg_used_dirs_count = ext2fs_swab16(gdp->bg_used_dirs_count); -} - -void ext2fs_swap_ext_attr(char *to, char *from, int bufsize, int has_header) -{ - struct ext2_ext_attr_header *from_header = - (struct ext2_ext_attr_header *)from; - struct ext2_ext_attr_header *to_header = - (struct ext2_ext_attr_header *)to; - struct ext2_ext_attr_entry *from_entry, *to_entry; - char *from_end = (char *)from_header + bufsize; - int n; - - if (to_header != from_header) - memcpy(to_header, from_header, bufsize); - - from_entry = (struct ext2_ext_attr_entry *)from_header; - to_entry = (struct ext2_ext_attr_entry *)to_header; - - if (has_header) { - to_header->h_magic = ext2fs_swab32(from_header->h_magic); - to_header->h_blocks = ext2fs_swab32(from_header->h_blocks); - to_header->h_refcount = ext2fs_swab32(from_header->h_refcount); - for (n=0; n<4; n++) - to_header->h_reserved[n] = - ext2fs_swab32(from_header->h_reserved[n]); - from_entry = (struct ext2_ext_attr_entry *)(from_header+1); - to_entry = (struct ext2_ext_attr_entry *)(to_header+1); - } - - while ((char *)from_entry < from_end && *(__u32 *)from_entry) { - to_entry->e_value_offs = - ext2fs_swab16(from_entry->e_value_offs); - to_entry->e_value_block = - ext2fs_swab32(from_entry->e_value_block); - to_entry->e_value_size = - ext2fs_swab32(from_entry->e_value_size); - from_entry = EXT2_EXT_ATTR_NEXT(from_entry); - to_entry = EXT2_EXT_ATTR_NEXT(to_entry); - } -} - -void ext2fs_swap_inode_full(ext2_filsys fs, struct ext2_inode_large *t, - struct ext2_inode_large *f, int hostorder, - int bufsize) -{ - unsigned i; - int islnk = 0; - __u32 *eaf, *eat; - - if (hostorder && LINUX_S_ISLNK(f->i_mode)) - islnk = 1; - t->i_mode = ext2fs_swab16(f->i_mode); - if (!hostorder && LINUX_S_ISLNK(t->i_mode)) - islnk = 1; - t->i_uid = ext2fs_swab16(f->i_uid); - t->i_size = ext2fs_swab32(f->i_size); - t->i_atime = ext2fs_swab32(f->i_atime); - t->i_ctime = ext2fs_swab32(f->i_ctime); - t->i_mtime = ext2fs_swab32(f->i_mtime); - t->i_dtime = ext2fs_swab32(f->i_dtime); - t->i_gid = ext2fs_swab16(f->i_gid); - t->i_links_count = ext2fs_swab16(f->i_links_count); - t->i_blocks = ext2fs_swab32(f->i_blocks); - t->i_flags = ext2fs_swab32(f->i_flags); - t->i_file_acl = ext2fs_swab32(f->i_file_acl); - t->i_dir_acl = ext2fs_swab32(f->i_dir_acl); - if (!islnk || ext2fs_inode_data_blocks(fs, (struct ext2_inode *)t)) { - for (i = 0; i < EXT2_N_BLOCKS; i++) - t->i_block[i] = ext2fs_swab32(f->i_block[i]); - } else if (t != f) { - for (i = 0; i < EXT2_N_BLOCKS; i++) - t->i_block[i] = f->i_block[i]; - } - t->i_generation = ext2fs_swab32(f->i_generation); - t->i_faddr = ext2fs_swab32(f->i_faddr); - - switch (fs->super->s_creator_os) { - case EXT2_OS_LINUX: - t->osd1.linux1.l_i_reserved1 = - ext2fs_swab32(f->osd1.linux1.l_i_reserved1); - t->osd2.linux2.l_i_frag = f->osd2.linux2.l_i_frag; - t->osd2.linux2.l_i_fsize = f->osd2.linux2.l_i_fsize; - t->osd2.linux2.i_pad1 = ext2fs_swab16(f->osd2.linux2.i_pad1); - t->osd2.linux2.l_i_uid_high = - ext2fs_swab16 (f->osd2.linux2.l_i_uid_high); - t->osd2.linux2.l_i_gid_high = - ext2fs_swab16 (f->osd2.linux2.l_i_gid_high); - t->osd2.linux2.l_i_reserved2 = - ext2fs_swab32(f->osd2.linux2.l_i_reserved2); - break; - case EXT2_OS_HURD: - t->osd1.hurd1.h_i_translator = - ext2fs_swab32 (f->osd1.hurd1.h_i_translator); - t->osd2.hurd2.h_i_frag = f->osd2.hurd2.h_i_frag; - t->osd2.hurd2.h_i_fsize = f->osd2.hurd2.h_i_fsize; - t->osd2.hurd2.h_i_mode_high = - ext2fs_swab16 (f->osd2.hurd2.h_i_mode_high); - t->osd2.hurd2.h_i_uid_high = - ext2fs_swab16 (f->osd2.hurd2.h_i_uid_high); - t->osd2.hurd2.h_i_gid_high = - ext2fs_swab16 (f->osd2.hurd2.h_i_gid_high); - t->osd2.hurd2.h_i_author = - ext2fs_swab32 (f->osd2.hurd2.h_i_author); - break; - case EXT2_OS_MASIX: - t->osd1.masix1.m_i_reserved1 = - ext2fs_swab32(f->osd1.masix1.m_i_reserved1); - t->osd2.masix2.m_i_frag = f->osd2.masix2.m_i_frag; - t->osd2.masix2.m_i_fsize = f->osd2.masix2.m_i_fsize; - t->osd2.masix2.m_pad1 = ext2fs_swab16(f->osd2.masix2.m_pad1); - t->osd2.masix2.m_i_reserved2[0] = - ext2fs_swab32(f->osd2.masix2.m_i_reserved2[0]); - t->osd2.masix2.m_i_reserved2[1] = - ext2fs_swab32(f->osd2.masix2.m_i_reserved2[1]); - break; - } - - if (bufsize < (int) (sizeof(struct ext2_inode) + sizeof(__u16))) - return; /* no i_extra_isize field */ - - t->i_extra_isize = ext2fs_swab16(f->i_extra_isize); - if (t->i_extra_isize > EXT2_INODE_SIZE(fs->super) - - sizeof(struct ext2_inode)) { - /* this is error case: i_extra_size is too large */ - return; - } - - i = sizeof(struct ext2_inode) + t->i_extra_isize + sizeof(__u32); - if (bufsize < (int) i) - return; /* no space for EA magic */ - - eaf = (__u32 *) (((char *) f) + sizeof(struct ext2_inode) + - f->i_extra_isize); - - if (ext2fs_swab32(*eaf) != EXT2_EXT_ATTR_MAGIC) - return; /* it seems no magic here */ - - eat = (__u32 *) (((char *) t) + sizeof(struct ext2_inode) + - f->i_extra_isize); - *eat = ext2fs_swab32(*eaf); - - /* convert EA(s) */ - ext2fs_swap_ext_attr((char *) (eat + 1), (char *) (eaf + 1), - bufsize - sizeof(struct ext2_inode) - - t->i_extra_isize - sizeof(__u32), 0); - -} - -void ext2fs_swap_inode(ext2_filsys fs, struct ext2_inode *t, - struct ext2_inode *f, int hostorder) -{ - ext2fs_swap_inode_full(fs, (struct ext2_inode_large *) t, - (struct ext2_inode_large *) f, hostorder, - sizeof(struct ext2_inode)); -} - -#endif diff --git a/e2fsprogs/ext2fs/test_io.c b/e2fsprogs/ext2fs/test_io.c deleted file mode 100644 index bd74225..0000000 --- a/e2fsprogs/ext2fs/test_io.c +++ /dev/null @@ -1,380 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * test_io.c --- This is the Test I/O interface. - * - * Copyright (C) 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * For checking structure magic numbers... - */ - -#define EXT2_CHECK_MAGIC(struct, code) \ - if ((struct)->magic != (code)) return (code) - -struct test_private_data { - int magic; - io_channel real; - int flags; - FILE *outfile; - unsigned long block; - int read_abort_count, write_abort_count; - void (*read_blk)(unsigned long block, int count, errcode_t err); - void (*write_blk)(unsigned long block, int count, errcode_t err); - void (*set_blksize)(int blksize, errcode_t err); - void (*write_byte)(unsigned long block, int count, errcode_t err); -}; - -static errcode_t test_open(const char *name, int flags, io_channel *channel); -static errcode_t test_close(io_channel channel); -static errcode_t test_set_blksize(io_channel channel, int blksize); -static errcode_t test_read_blk(io_channel channel, unsigned long block, - int count, void *data); -static errcode_t test_write_blk(io_channel channel, unsigned long block, - int count, const void *data); -static errcode_t test_flush(io_channel channel); -static errcode_t test_write_byte(io_channel channel, unsigned long offset, - int count, const void *buf); -static errcode_t test_set_option(io_channel channel, const char *option, - const char *arg); - -static struct struct_io_manager struct_test_manager = { - EXT2_ET_MAGIC_IO_MANAGER, - "Test I/O Manager", - test_open, - test_close, - test_set_blksize, - test_read_blk, - test_write_blk, - test_flush, - test_write_byte, - test_set_option -}; - -io_manager test_io_manager = &struct_test_manager; - -/* - * These global variable can be set by the test program as - * necessary *before* calling test_open - */ -io_manager test_io_backing_manager = 0; -void (*test_io_cb_read_blk) - (unsigned long block, int count, errcode_t err) = 0; -void (*test_io_cb_write_blk) - (unsigned long block, int count, errcode_t err) = 0; -void (*test_io_cb_set_blksize) - (int blksize, errcode_t err) = 0; -void (*test_io_cb_write_byte) - (unsigned long block, int count, errcode_t err) = 0; - -/* - * Test flags - */ -#define TEST_FLAG_READ 0x01 -#define TEST_FLAG_WRITE 0x02 -#define TEST_FLAG_SET_BLKSIZE 0x04 -#define TEST_FLAG_FLUSH 0x08 -#define TEST_FLAG_DUMP 0x10 -#define TEST_FLAG_SET_OPTION 0x20 - -static void test_dump_block(io_channel channel, - struct test_private_data *data, - unsigned long block, const void *buf) -{ - const unsigned char *cp; - FILE *f = data->outfile; - int i; - unsigned long cksum = 0; - - for (i=0, cp = buf; i < channel->block_size; i++, cp++) { - cksum += *cp; - } - fprintf(f, "Contents of block %lu, checksum %08lu:\n", block, cksum); - for (i=0, cp = buf; i < channel->block_size; i++, cp++) { - if ((i % 16) == 0) - fprintf(f, "%04x: ", i); - fprintf(f, "%02x%c", *cp, ((i % 16) == 15) ? '\n' : ' '); - } -} - -static void test_abort(io_channel channel, unsigned long block) -{ - struct test_private_data *data; - FILE *f; - - data = (struct test_private_data *) channel->private_data; - f = data->outfile; - test_flush(channel); - - fprintf(f, "Aborting due to I/O to block %lu\n", block); - fflush(f); - abort(); -} - -static errcode_t test_open(const char *name, int flags, io_channel *channel) -{ - io_channel io = NULL; - struct test_private_data *data = NULL; - errcode_t retval; - char *value; - - if (name == 0) - return EXT2_ET_BAD_DEVICE_NAME; - retval = ext2fs_get_mem(sizeof(struct struct_io_channel), &io); - if (retval) - return retval; - memset(io, 0, sizeof(struct struct_io_channel)); - io->magic = EXT2_ET_MAGIC_IO_CHANNEL; - retval = ext2fs_get_mem(sizeof(struct test_private_data), &data); - if (retval) { - retval = EXT2_ET_NO_MEMORY; - goto cleanup; - } - io->manager = test_io_manager; - retval = ext2fs_get_mem(strlen(name)+1, &io->name); - if (retval) - goto cleanup; - - strcpy(io->name, name); - io->private_data = data; - io->block_size = 1024; - io->read_error = 0; - io->write_error = 0; - io->refcount = 1; - - memset(data, 0, sizeof(struct test_private_data)); - data->magic = EXT2_ET_MAGIC_TEST_IO_CHANNEL; - if (test_io_backing_manager) { - retval = test_io_backing_manager->open(name, flags, - &data->real); - if (retval) - goto cleanup; - } else - data->real = 0; - data->read_blk = test_io_cb_read_blk; - data->write_blk = test_io_cb_write_blk; - data->set_blksize = test_io_cb_set_blksize; - data->write_byte = test_io_cb_write_byte; - - data->outfile = NULL; - if ((value = getenv("TEST_IO_LOGFILE")) != NULL) - data->outfile = fopen(value, "w"); - if (!data->outfile) - data->outfile = stderr; - - data->flags = 0; - if ((value = getenv("TEST_IO_FLAGS")) != NULL) - data->flags = strtoul(value, NULL, 0); - - data->block = 0; - if ((value = getenv("TEST_IO_BLOCK")) != NULL) - data->block = strtoul(value, NULL, 0); - - data->read_abort_count = 0; - if ((value = getenv("TEST_IO_READ_ABORT")) != NULL) - data->read_abort_count = strtoul(value, NULL, 0); - - data->write_abort_count = 0; - if ((value = getenv("TEST_IO_WRITE_ABORT")) != NULL) - data->write_abort_count = strtoul(value, NULL, 0); - - *channel = io; - return 0; - -cleanup: - ext2fs_free_mem(&io); - ext2fs_free_mem(&data); - return retval; -} - -static errcode_t test_close(io_channel channel) -{ - struct test_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct test_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); - - if (--channel->refcount > 0) - return 0; - - if (data->real) - retval = io_channel_close(data->real); - - if (data->outfile && data->outfile != stderr) - fclose(data->outfile); - - ext2fs_free_mem(&channel->private_data); - ext2fs_free_mem(&channel->name); - ext2fs_free_mem(&channel); - return retval; -} - -static errcode_t test_set_blksize(io_channel channel, int blksize) -{ - struct test_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct test_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); - - if (data->real) - retval = io_channel_set_blksize(data->real, blksize); - if (data->set_blksize) - data->set_blksize(blksize, retval); - if (data->flags & TEST_FLAG_SET_BLKSIZE) - fprintf(data->outfile, - "Test_io: set_blksize(%d) returned %s\n", - blksize, retval ? error_message(retval) : "OK"); - channel->block_size = blksize; - return retval; -} - - -static errcode_t test_read_blk(io_channel channel, unsigned long block, - int count, void *buf) -{ - struct test_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct test_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); - - if (data->real) - retval = io_channel_read_blk(data->real, block, count, buf); - if (data->read_blk) - data->read_blk(block, count, retval); - if (data->flags & TEST_FLAG_READ) - fprintf(data->outfile, - "Test_io: read_blk(%lu, %d) returned %s\n", - block, count, retval ? error_message(retval) : "OK"); - if (data->block && data->block == block) { - if (data->flags & TEST_FLAG_DUMP) - test_dump_block(channel, data, block, buf); - if (--data->read_abort_count == 0) - test_abort(channel, block); - } - return retval; -} - -static errcode_t test_write_blk(io_channel channel, unsigned long block, - int count, const void *buf) -{ - struct test_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct test_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); - - if (data->real) - retval = io_channel_write_blk(data->real, block, count, buf); - if (data->write_blk) - data->write_blk(block, count, retval); - if (data->flags & TEST_FLAG_WRITE) - fprintf(data->outfile, - "Test_io: write_blk(%lu, %d) returned %s\n", - block, count, retval ? error_message(retval) : "OK"); - if (data->block && data->block == block) { - if (data->flags & TEST_FLAG_DUMP) - test_dump_block(channel, data, block, buf); - if (--data->write_abort_count == 0) - test_abort(channel, block); - } - return retval; -} - -static errcode_t test_write_byte(io_channel channel, unsigned long offset, - int count, const void *buf) -{ - struct test_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct test_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); - - if (data->real && data->real->manager->write_byte) - retval = io_channel_write_byte(data->real, offset, count, buf); - if (data->write_byte) - data->write_byte(offset, count, retval); - if (data->flags & TEST_FLAG_WRITE) - fprintf(data->outfile, - "Test_io: write_byte(%lu, %d) returned %s\n", - offset, count, retval ? error_message(retval) : "OK"); - return retval; -} - -/* - * Flush data buffers to disk. - */ -static errcode_t test_flush(io_channel channel) -{ - struct test_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct test_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); - - if (data->real) - retval = io_channel_flush(data->real); - - if (data->flags & TEST_FLAG_FLUSH) - fprintf(data->outfile, "Test_io: flush() returned %s\n", - retval ? error_message(retval) : "OK"); - - return retval; -} - -static errcode_t test_set_option(io_channel channel, const char *option, - const char *arg) -{ - struct test_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct test_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); - - - if (data->flags & TEST_FLAG_SET_OPTION) - fprintf(data->outfile, "Test_io: set_option(%s, %s) ", - option, arg); - if (data->real && data->real->manager->set_option) { - retval = (data->real->manager->set_option)(data->real, - option, arg); - if (data->flags & TEST_FLAG_SET_OPTION) - fprintf(data->outfile, "returned %s\n", - retval ? error_message(retval) : "OK"); - } else { - if (data->flags & TEST_FLAG_SET_OPTION) - fprintf(data->outfile, "not implemented\n"); - } - return retval; -} diff --git a/e2fsprogs/ext2fs/unix_io.c b/e2fsprogs/ext2fs/unix_io.c deleted file mode 100644 index 474f073..0000000 --- a/e2fsprogs/ext2fs/unix_io.c +++ /dev/null @@ -1,703 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * unix_io.c --- This is the Unix (well, really POSIX) implementation - * of the I/O manager. - * - * Implements a one-block write-through cache. - * - * Includes support for Windows NT support under Cygwin. - * - * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, - * 2002 by Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#include <fcntl.h> -#include <time.h> -#ifdef __linux__ -#include <sys/utsname.h> -#endif -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#include <sys/resource.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * For checking structure magic numbers... - */ - -#define EXT2_CHECK_MAGIC(struct, code) \ - if ((struct)->magic != (code)) return (code) - -struct unix_cache { - char *buf; - unsigned long block; - int access_time; - unsigned dirty:1; - unsigned in_use:1; -}; - -#define CACHE_SIZE 8 -#define WRITE_DIRECT_SIZE 4 /* Must be smaller than CACHE_SIZE */ -#define READ_DIRECT_SIZE 4 /* Should be smaller than CACHE_SIZE */ - -struct unix_private_data { - int magic; - int dev; - int flags; - int access_time; - ext2_loff_t offset; - struct unix_cache cache[CACHE_SIZE]; -}; - -static errcode_t unix_open(const char *name, int flags, io_channel *channel); -static errcode_t unix_close(io_channel channel); -static errcode_t unix_set_blksize(io_channel channel, int blksize); -static errcode_t unix_read_blk(io_channel channel, unsigned long block, - int count, void *data); -static errcode_t unix_write_blk(io_channel channel, unsigned long block, - int count, const void *data); -static errcode_t unix_flush(io_channel channel); -static errcode_t unix_write_byte(io_channel channel, unsigned long offset, - int size, const void *data); -static errcode_t unix_set_option(io_channel channel, const char *option, - const char *arg); - -static void reuse_cache(io_channel channel, struct unix_private_data *data, - struct unix_cache *cache, unsigned long block); - -/* __FreeBSD_kernel__ is defined by GNU/kFreeBSD - the FreeBSD kernel - * does not know buffered block devices - everything is raw. */ -#if defined(__CYGWIN__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) -#define NEED_BOUNCE_BUFFER -#else -#undef NEED_BOUNCE_BUFFER -#endif - -static struct struct_io_manager struct_unix_manager = { - EXT2_ET_MAGIC_IO_MANAGER, - "Unix I/O Manager", - unix_open, - unix_close, - unix_set_blksize, - unix_read_blk, - unix_write_blk, - unix_flush, -#ifdef NEED_BOUNCE_BUFFER - 0, -#else - unix_write_byte, -#endif - unix_set_option -}; - -io_manager unix_io_manager = &struct_unix_manager; - -/* - * Here are the raw I/O functions - */ -#ifndef NEED_BOUNCE_BUFFER -static errcode_t raw_read_blk(io_channel channel, - struct unix_private_data *data, - unsigned long block, - int count, void *buf) -{ - errcode_t retval; - ssize_t size; - ext2_loff_t location; - int actual = 0; - - size = (count < 0) ? -count : count * channel->block_size; - location = ((ext2_loff_t) block * channel->block_size) + data->offset; - if (ext2fs_llseek(data->dev, location, SEEK_SET) != location) { - retval = errno ? errno : EXT2_ET_LLSEEK_FAILED; - goto error_out; - } - actual = read(data->dev, buf, size); - if (actual != size) { - if (actual < 0) - actual = 0; - retval = EXT2_ET_SHORT_READ; - goto error_out; - } - return 0; - -error_out: - memset((char *) buf+actual, 0, size-actual); - if (channel->read_error) - retval = (channel->read_error)(channel, block, count, buf, - size, actual, retval); - return retval; -} -#else /* NEED_BOUNCE_BUFFER */ -/* - * Windows and FreeBSD block devices only allow sector alignment IO in offset and size - */ -static errcode_t raw_read_blk(io_channel channel, - struct unix_private_data *data, - unsigned long block, - int count, void *buf) -{ - errcode_t retval; - size_t size, alignsize, fragment; - ext2_loff_t location; - int total = 0, actual; -#define BLOCKALIGN 512 - char sector[BLOCKALIGN]; - - size = (count < 0) ? -count : count * channel->block_size; - location = ((ext2_loff_t) block * channel->block_size) + data->offset; -#ifdef DEBUG - printf("count=%d, size=%d, block=%d, blk_size=%d, location=%lx\n", - count, size, block, channel->block_size, location); -#endif - if (ext2fs_llseek(data->dev, location, SEEK_SET) != location) { - retval = errno ? errno : EXT2_ET_LLSEEK_FAILED; - goto error_out; - } - fragment = size % BLOCKALIGN; - alignsize = size - fragment; - if (alignsize) { - actual = read(data->dev, buf, alignsize); - if (actual != alignsize) - goto short_read; - } - if (fragment) { - actual = read(data->dev, sector, BLOCKALIGN); - if (actual != BLOCKALIGN) - goto short_read; - memcpy(buf+alignsize, sector, fragment); - } - return 0; - -short_read: - if (actual>0) - total += actual; - retval = EXT2_ET_SHORT_READ; - -error_out: - memset((char *) buf+total, 0, size-actual); - if (channel->read_error) - retval = (channel->read_error)(channel, block, count, buf, - size, actual, retval); - return retval; -} -#endif - -static errcode_t raw_write_blk(io_channel channel, - struct unix_private_data *data, - unsigned long block, - int count, const void *buf) -{ - ssize_t size; - ext2_loff_t location; - int actual = 0; - errcode_t retval; - - if (count == 1) - size = channel->block_size; - else { - if (count < 0) - size = -count; - else - size = count * channel->block_size; - } - - location = ((ext2_loff_t) block * channel->block_size) + data->offset; - if (ext2fs_llseek(data->dev, location, SEEK_SET) != location) { - retval = errno ? errno : EXT2_ET_LLSEEK_FAILED; - goto error_out; - } - - actual = write(data->dev, buf, size); - if (actual != size) { - retval = EXT2_ET_SHORT_WRITE; - goto error_out; - } - return 0; - -error_out: - if (channel->write_error) - retval = (channel->write_error)(channel, block, count, buf, - size, actual, retval); - return retval; -} - - -/* - * Here we implement the cache functions - */ - -/* Allocate the cache buffers */ -static errcode_t alloc_cache(io_channel channel, - struct unix_private_data *data) -{ - errcode_t retval; - struct unix_cache *cache; - int i; - - data->access_time = 0; - for (i=0, cache = data->cache; i < CACHE_SIZE; i++, cache++) { - cache->block = 0; - cache->access_time = 0; - cache->dirty = 0; - cache->in_use = 0; - if ((retval = ext2fs_get_mem(channel->block_size, - &cache->buf))) - return retval; - } - return 0; -} - -/* Free the cache buffers */ -static void free_cache(struct unix_private_data *data) -{ - struct unix_cache *cache; - int i; - - data->access_time = 0; - for (i=0, cache = data->cache; i < CACHE_SIZE; i++, cache++) { - cache->block = 0; - cache->access_time = 0; - cache->dirty = 0; - cache->in_use = 0; - ext2fs_free_mem(&cache->buf); - cache->buf = 0; - } -} - -#ifndef NO_IO_CACHE -/* - * Try to find a block in the cache. If the block is not found, and - * eldest is a non-zero pointer, then fill in eldest with the cache - * entry to that should be reused. - */ -static struct unix_cache *find_cached_block(struct unix_private_data *data, - unsigned long block, - struct unix_cache **eldest) -{ - struct unix_cache *cache, *unused_cache, *oldest_cache; - int i; - - unused_cache = oldest_cache = 0; - for (i=0, cache = data->cache; i < CACHE_SIZE; i++, cache++) { - if (!cache->in_use) { - if (!unused_cache) - unused_cache = cache; - continue; - } - if (cache->block == block) { - cache->access_time = ++data->access_time; - return cache; - } - if (!oldest_cache || - (cache->access_time < oldest_cache->access_time)) - oldest_cache = cache; - } - if (eldest) - *eldest = (unused_cache) ? unused_cache : oldest_cache; - return 0; -} - -/* - * Reuse a particular cache entry for another block. - */ -static void reuse_cache(io_channel channel, struct unix_private_data *data, - struct unix_cache *cache, unsigned long block) -{ - if (cache->dirty && cache->in_use) - raw_write_blk(channel, data, cache->block, 1, cache->buf); - - cache->in_use = 1; - cache->dirty = 0; - cache->block = block; - cache->access_time = ++data->access_time; -} - -/* - * Flush all of the blocks in the cache - */ -static errcode_t flush_cached_blocks(io_channel channel, - struct unix_private_data *data, - int invalidate) - -{ - struct unix_cache *cache; - errcode_t retval, retval2; - int i; - - retval2 = 0; - for (i=0, cache = data->cache; i < CACHE_SIZE; i++, cache++) { - if (!cache->in_use) - continue; - - if (invalidate) - cache->in_use = 0; - - if (!cache->dirty) - continue; - - retval = raw_write_blk(channel, data, - cache->block, 1, cache->buf); - if (retval) - retval2 = retval; - else - cache->dirty = 0; - } - return retval2; -} -#endif /* NO_IO_CACHE */ - -static errcode_t unix_open(const char *name, int flags, io_channel *channel) -{ - io_channel io = NULL; - struct unix_private_data *data = NULL; - errcode_t retval; - int open_flags; - struct stat st; -#ifdef __linux__ - struct utsname ut; -#endif - - if (name == 0) - return EXT2_ET_BAD_DEVICE_NAME; - retval = ext2fs_get_mem(sizeof(struct struct_io_channel), &io); - if (retval) - return retval; - memset(io, 0, sizeof(struct struct_io_channel)); - io->magic = EXT2_ET_MAGIC_IO_CHANNEL; - retval = ext2fs_get_mem(sizeof(struct unix_private_data), &data); - if (retval) - goto cleanup; - - io->manager = unix_io_manager; - retval = ext2fs_get_mem(strlen(name)+1, &io->name); - if (retval) - goto cleanup; - - strcpy(io->name, name); - io->private_data = data; - io->block_size = 1024; - io->read_error = 0; - io->write_error = 0; - io->refcount = 1; - - memset(data, 0, sizeof(struct unix_private_data)); - data->magic = EXT2_ET_MAGIC_UNIX_IO_CHANNEL; - - if ((retval = alloc_cache(io, data))) - goto cleanup; - - open_flags = (flags & IO_FLAG_RW) ? O_RDWR : O_RDONLY; -#ifdef CONFIG_LFS - data->dev = open64(io->name, open_flags); -#else - data->dev = open(io->name, open_flags); -#endif - if (data->dev < 0) { - retval = errno; - goto cleanup; - } - -#ifdef __linux__ -#undef RLIM_INFINITY -#if (defined(__alpha__) || ((defined(__sparc__) || defined(__mips__)) && (SIZEOF_LONG == 4))) -#define RLIM_INFINITY ((unsigned long)(~0UL>>1)) -#else -#define RLIM_INFINITY (~0UL) -#endif - /* - * Work around a bug in 2.4.10-2.4.18 kernels where writes to - * block devices are wrongly getting hit by the filesize - * limit. This workaround isn't perfect, since it won't work - * if glibc wasn't built against 2.2 header files. (Sigh.) - * - */ - if ((flags & IO_FLAG_RW) && - (uname(&ut) == 0) && - ((ut.release[0] == '2') && (ut.release[1] == '.') && - (ut.release[2] == '4') && (ut.release[3] == '.') && - (ut.release[4] == '1') && (ut.release[5] >= '0') && - (ut.release[5] < '8')) && - (fstat(data->dev, &st) == 0) && - (S_ISBLK(st.st_mode))) { - struct rlimit rlim; - - rlim.rlim_cur = rlim.rlim_max = (unsigned long) RLIM_INFINITY; - setrlimit(RLIMIT_FSIZE, &rlim); - getrlimit(RLIMIT_FSIZE, &rlim); - if (((unsigned long) rlim.rlim_cur) < - ((unsigned long) rlim.rlim_max)) { - rlim.rlim_cur = rlim.rlim_max; - setrlimit(RLIMIT_FSIZE, &rlim); - } - } -#endif - *channel = io; - return 0; - -cleanup: - if (data) { - free_cache(data); - ext2fs_free_mem(&data); - } - ext2fs_free_mem(&io); - return retval; -} - -static errcode_t unix_close(io_channel channel) -{ - struct unix_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct unix_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_UNIX_IO_CHANNEL); - - if (--channel->refcount > 0) - return 0; - -#ifndef NO_IO_CACHE - retval = flush_cached_blocks(channel, data, 0); -#endif - - if (close(data->dev) < 0) - retval = errno; - free_cache(data); - - ext2fs_free_mem(&channel->private_data); - ext2fs_free_mem(&channel->name); - ext2fs_free_mem(&channel); - return retval; -} - -static errcode_t unix_set_blksize(io_channel channel, int blksize) -{ - struct unix_private_data *data; - errcode_t retval; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct unix_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_UNIX_IO_CHANNEL); - - if (channel->block_size != blksize) { -#ifndef NO_IO_CACHE - if ((retval = flush_cached_blocks(channel, data, 0))) - return retval; -#endif - - channel->block_size = blksize; - free_cache(data); - if ((retval = alloc_cache(channel, data))) - return retval; - } - return 0; -} - - -static errcode_t unix_read_blk(io_channel channel, unsigned long block, - int count, void *buf) -{ - struct unix_private_data *data; - struct unix_cache *cache, *reuse[READ_DIRECT_SIZE]; - errcode_t retval; - char *cp; - int i, j; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct unix_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_UNIX_IO_CHANNEL); - -#ifdef NO_IO_CACHE - return raw_read_blk(channel, data, block, count, buf); -#else - /* - * If we're doing an odd-sized read or a very large read, - * flush out the cache and then do a direct read. - */ - if (count < 0 || count > WRITE_DIRECT_SIZE) { - if ((retval = flush_cached_blocks(channel, data, 0))) - return retval; - return raw_read_blk(channel, data, block, count, buf); - } - - cp = buf; - while (count > 0) { - /* If it's in the cache, use it! */ - if ((cache = find_cached_block(data, block, &reuse[0]))) { -#ifdef DEBUG - printf("Using cached block %d\n", block); -#endif - memcpy(cp, cache->buf, channel->block_size); - count--; - block++; - cp += channel->block_size; - continue; - } - /* - * Find the number of uncached blocks so we can do a - * single read request - */ - for (i=1; i < count; i++) - if (find_cached_block(data, block+i, &reuse[i])) - break; -#ifdef DEBUG - printf("Reading %d blocks starting at %d\n", i, block); -#endif - if ((retval = raw_read_blk(channel, data, block, i, cp))) - return retval; - - /* Save the results in the cache */ - for (j=0; j < i; j++) { - count--; - cache = reuse[j]; - reuse_cache(channel, data, cache, block++); - memcpy(cache->buf, cp, channel->block_size); - cp += channel->block_size; - } - } - return 0; -#endif /* NO_IO_CACHE */ -} - -static errcode_t unix_write_blk(io_channel channel, unsigned long block, - int count, const void *buf) -{ - struct unix_private_data *data; - struct unix_cache *cache, *reuse; - errcode_t retval = 0; - const char *cp; - int writethrough; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct unix_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_UNIX_IO_CHANNEL); - -#ifdef NO_IO_CACHE - return raw_write_blk(channel, data, block, count, buf); -#else - /* - * If we're doing an odd-sized write or a very large write, - * flush out the cache completely and then do a direct write. - */ - if (count < 0 || count > WRITE_DIRECT_SIZE) { - if ((retval = flush_cached_blocks(channel, data, 1))) - return retval; - return raw_write_blk(channel, data, block, count, buf); - } - - /* - * For a moderate-sized multi-block write, first force a write - * if we're in write-through cache mode, and then fill the - * cache with the blocks. - */ - writethrough = channel->flags & CHANNEL_FLAGS_WRITETHROUGH; - if (writethrough) - retval = raw_write_blk(channel, data, block, count, buf); - - cp = buf; - while (count > 0) { - cache = find_cached_block(data, block, &reuse); - if (!cache) { - cache = reuse; - reuse_cache(channel, data, cache, block); - } - memcpy(cache->buf, cp, channel->block_size); - cache->dirty = !writethrough; - count--; - block++; - cp += channel->block_size; - } - return retval; -#endif /* NO_IO_CACHE */ -} - -static errcode_t unix_write_byte(io_channel channel, unsigned long offset, - int size, const void *buf) -{ - struct unix_private_data *data; - errcode_t retval = 0; - ssize_t actual; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct unix_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_UNIX_IO_CHANNEL); - -#ifndef NO_IO_CACHE - /* - * Flush out the cache completely - */ - if ((retval = flush_cached_blocks(channel, data, 1))) - return retval; -#endif - - if (lseek(data->dev, offset + data->offset, SEEK_SET) < 0) - return errno; - - actual = write(data->dev, buf, size); - if (actual != size) - return EXT2_ET_SHORT_WRITE; - - return 0; -} - -/* - * Flush data buffers to disk. - */ -static errcode_t unix_flush(io_channel channel) -{ - struct unix_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct unix_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_UNIX_IO_CHANNEL); - -#ifndef NO_IO_CACHE - retval = flush_cached_blocks(channel, data, 0); -#endif - fsync(data->dev); - return retval; -} - -static errcode_t unix_set_option(io_channel channel, const char *option, - const char *arg) -{ - struct unix_private_data *data; - unsigned long tmp; - char *end; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct unix_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_UNIX_IO_CHANNEL); - - if (!strcmp(option, "offset")) { - if (!arg) - return EXT2_ET_INVALID_ARGUMENT; - - tmp = strtoul(arg, &end, 0); - if (*end) - return EXT2_ET_INVALID_ARGUMENT; - data->offset = tmp; - return 0; - } - return EXT2_ET_INVALID_ARGUMENT; -} diff --git a/e2fsprogs/ext2fs/unlink.c b/e2fsprogs/ext2fs/unlink.c deleted file mode 100644 index 83ac271..0000000 --- a/e2fsprogs/ext2fs/unlink.c +++ /dev/null @@ -1,100 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * unlink.c --- delete links in a ext2fs directory - * - * Copyright (C) 1993, 1994, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct link_struct { - const char *name; - int namelen; - ext2_ino_t inode; - int flags; - struct ext2_dir_entry *prev; - int done; -}; - -#ifdef __TURBOC__ -# pragma argsused -#endif -static int unlink_proc(struct ext2_dir_entry *dirent, - int offset EXT2FS_ATTR((unused)), - int blocksize EXT2FS_ATTR((unused)), - char *buf EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct link_struct *ls = (struct link_struct *) priv_data; - struct ext2_dir_entry *prev; - - prev = ls->prev; - ls->prev = dirent; - - if (ls->name) { - if ((dirent->name_len & 0xFF) != ls->namelen) - return 0; - if (strncmp(ls->name, dirent->name, dirent->name_len & 0xFF)) - return 0; - } - if (ls->inode) { - if (dirent->inode != ls->inode) - return 0; - } else { - if (!dirent->inode) - return 0; - } - - if (prev) - prev->rec_len += dirent->rec_len; - else - dirent->inode = 0; - ls->done++; - return DIRENT_ABORT|DIRENT_CHANGED; -} - -#ifdef __TURBOC__ - #pragma argsused -#endif -errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, - const char *name, ext2_ino_t ino, - int flags EXT2FS_ATTR((unused))) -{ - errcode_t retval; - struct link_struct ls; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!name && !ino) - return EXT2_ET_INVALID_ARGUMENT; - - if (!(fs->flags & EXT2_FLAG_RW)) - return EXT2_ET_RO_FILSYS; - - ls.name = name; - ls.namelen = name ? strlen(name) : 0; - ls.inode = ino; - ls.flags = 0; - ls.done = 0; - ls.prev = 0; - - retval = ext2fs_dir_iterate(fs, dir, DIRENT_FLAG_INCLUDE_EMPTY, - 0, unlink_proc, &ls); - if (retval) - return retval; - - return (ls.done) ? 0 : EXT2_ET_DIR_NO_SPACE; -} - diff --git a/e2fsprogs/ext2fs/valid_blk.c b/e2fsprogs/ext2fs/valid_blk.c deleted file mode 100644 index 8ed77ae..0000000 --- a/e2fsprogs/ext2fs/valid_blk.c +++ /dev/null @@ -1,57 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * valid_blk.c --- does the inode have valid blocks? - * - * Copyright 1997 by Theodore Ts'o - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - * - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <string.h> -#include <time.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * This function returns 1 if the inode's block entries actually - * contain block entries. - */ -int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode) -{ - /* - * Only directories, regular files, and some symbolic links - * have valid block entries. - */ - if (!LINUX_S_ISDIR(inode->i_mode) && !LINUX_S_ISREG(inode->i_mode) && - !LINUX_S_ISLNK(inode->i_mode)) - return 0; - - /* - * If the symbolic link is a "fast symlink", then the symlink - * target is stored in the block entries. - */ - if (LINUX_S_ISLNK (inode->i_mode)) { - if (inode->i_file_acl == 0) { - /* With no EA block, we can rely on i_blocks */ - if (inode->i_blocks == 0) - return 0; - } else { - /* With an EA block, life gets more tricky */ - if (inode->i_size >= EXT2_N_BLOCKS*4) - return 1; /* definitely using i_block[] */ - if (inode->i_size > 4 && inode->i_block[1] == 0) - return 1; /* definitely using i_block[] */ - return 0; /* Probably a fast symlink */ - } - } - return 1; -} diff --git a/e2fsprogs/ext2fs/version.c b/e2fsprogs/ext2fs/version.c deleted file mode 100644 index d2981e8..0000000 --- a/e2fsprogs/ext2fs/version.c +++ /dev/null @@ -1,51 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * version.c --- Return the version of the ext2 library - * - * Copyright (C) 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <string.h> -#include <stdio.h> -#include <ctype.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -static const char *lib_version = E2FSPROGS_VERSION; -static const char *lib_date = E2FSPROGS_DATE; - -int ext2fs_parse_version_string(const char *ver_string) -{ - const char *cp; - int version = 0; - - for (cp = ver_string; *cp; cp++) { - if (*cp == '.') - continue; - if (!isdigit(*cp)) - break; - version = (version * 10) + (*cp - '0'); - } - return version; -} - - -int ext2fs_get_library_version(const char **ver_string, - const char **date_string) -{ - if (ver_string) - *ver_string = lib_version; - if (date_string) - *date_string = lib_date; - - return ext2fs_parse_version_string(lib_version); -} diff --git a/e2fsprogs/ext2fs/write_bb_file.c b/e2fsprogs/ext2fs/write_bb_file.c deleted file mode 100644 index 5b19eef..0000000 --- a/e2fsprogs/ext2fs/write_bb_file.c +++ /dev/null @@ -1,35 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * write_bb_file.c --- write a list of bad blocks to a FILE * - * - * Copyright (C) 1994, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -errcode_t ext2fs_write_bb_FILE(ext2_badblocks_list bb_list, - unsigned int flags EXT2FS_ATTR((unused)), - FILE *f) -{ - badblocks_iterate bb_iter; - blk_t blk; - errcode_t retval; - - retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter); - if (retval) - return retval; - - while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) { - fprintf(f, "%d\n", blk); - } - ext2fs_badblocks_list_iterate_end(bb_iter); - return 0; -} |