remove e2fsprogs. Nobody volunteered to clean up that mess

1 files changed, 0 insertions, 388 deletions

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;
-}