blob: f3ab06a237ffc727fe772838b650aa4312b607d0
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * alloc_stats.c --- Update allocation statistics for ext2fs |
4 | * |
5 | * Copyright (C) 2001 Theodore Ts'o. |
6 | * |
7 | * %Begin-Header% |
8 | * This file may be redistributed under the terms of the GNU Public |
9 | * License. |
10 | * %End-Header% |
11 | * |
12 | */ |
13 | |
14 | #include <stdio.h> |
15 | |
16 | #include "ext2_fs.h" |
17 | #include "ext2fs.h" |
18 | |
19 | void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino, |
20 | int inuse, int isdir) |
21 | { |
22 | int group = ext2fs_group_of_ino(fs, ino); |
23 | |
24 | if (inuse > 0) |
25 | ext2fs_mark_inode_bitmap(fs->inode_map, ino); |
26 | else |
27 | ext2fs_unmark_inode_bitmap(fs->inode_map, ino); |
28 | fs->group_desc[group].bg_free_inodes_count -= inuse; |
29 | if (isdir) |
30 | fs->group_desc[group].bg_used_dirs_count += inuse; |
31 | fs->super->s_free_inodes_count -= inuse; |
32 | ext2fs_mark_super_dirty(fs); |
33 | ext2fs_mark_ib_dirty(fs); |
34 | } |
35 | |
36 | void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse) |
37 | { |
38 | ext2fs_inode_alloc_stats2(fs, ino, inuse, 0); |
39 | } |
40 | |
41 | void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse) |
42 | { |
43 | int group = ext2fs_group_of_blk(fs, blk); |
44 | |
45 | if (inuse > 0) |
46 | ext2fs_mark_block_bitmap(fs->block_map, blk); |
47 | else |
48 | ext2fs_unmark_block_bitmap(fs->block_map, blk); |
49 | fs->group_desc[group].bg_free_blocks_count -= inuse; |
50 | fs->super->s_free_blocks_count -= inuse; |
51 | ext2fs_mark_super_dirty(fs); |
52 | ext2fs_mark_bb_dirty(fs); |
53 | } |
54 |