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unix_io.c (unix_open): Fix 2.4 resource limit workaround so that
[tools/e2fsprogs.git] / lib / ext2fs / alloc_stats.c
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
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
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
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 }