diff options
Diffstat (limited to 'e2fsprogs/ext2fs/alloc_tables.c')
-rw-r--r-- | e2fsprogs/ext2fs/alloc_tables.c | 118 |
1 files changed, 0 insertions, 118 deletions
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; -} - |