1 /*
2 * alloc_stats.c --- Update allocation statistics for ext2fs
3 *
4 * Copyright (C) 2001 Theodore Ts'o.
5 *
6 * %Begin-Header%
7 * This file may be redistributed under the terms of the GNU Public
8 * License.
9 * %End-Header%
10 *
11 */
12
13 #include <stdio.h>
14
15 #include "ext2_fs.h"
16 #include "ext2fs.h"
17
ext2fs_inode_alloc_stats2(ext2_filsys fs,ext2_ino_t ino,int inuse,int isdir)18 void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino,
19 int inuse, int isdir)
20 {
21 int group = ext2fs_group_of_ino(fs, ino);
22
23 if (inuse > 0)
24 ext2fs_mark_inode_bitmap(fs->inode_map, ino);
25 else
26 ext2fs_unmark_inode_bitmap(fs->inode_map, ino);
27 fs->group_desc[group].bg_free_inodes_count -= inuse;
28 if (isdir)
29 fs->group_desc[group].bg_used_dirs_count += inuse;
30 fs->super->s_free_inodes_count -= inuse;
31 ext2fs_mark_super_dirty(fs);
32 ext2fs_mark_ib_dirty(fs);
33 }
34
ext2fs_inode_alloc_stats(ext2_filsys fs,ext2_ino_t ino,int inuse)35 void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse)
36 {
37 ext2fs_inode_alloc_stats2(fs, ino, inuse, 0);
38 }
39
ext2fs_block_alloc_stats(ext2_filsys fs,blk_t blk,int inuse)40 void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse)
41 {
42 int group = ext2fs_group_of_blk(fs, blk);
43
44 if (inuse > 0)
45 ext2fs_mark_block_bitmap(fs->block_map, blk);
46 else
47 ext2fs_unmark_block_bitmap(fs->block_map, blk);
48 fs->group_desc[group].bg_free_blocks_count -= inuse;
49 fs->super->s_free_blocks_count -= inuse;
50 ext2fs_mark_super_dirty(fs);
51 ext2fs_mark_bb_dirty(fs);
52 }
53