alloc_stats.c revision 8bd0c95908baa3af706b9e731daff9472bec74c9 
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
18void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse)
19{
20	int	group = ext2fs_group_of_ino(fs, ino);
21
22	if (inuse > 0)
23		ext2fs_mark_inode_bitmap(fs->inode_map, ino);
24	else
25		ext2fs_unmark_inode_bitmap(fs->inode_map, ino);
26	fs->group_desc[group].bg_free_inodes_count -= inuse;
27	fs->super->s_free_inodes_count -= inuse;
28	ext2fs_mark_super_dirty(fs);
29	ext2fs_mark_ib_dirty(fs);
30}
31
32void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse)
33{
34	int	group = ext2fs_group_of_blk(fs, blk);
35
36	if (inuse > 0)
37		ext2fs_mark_block_bitmap(fs->block_map, blk);
38	else
39		ext2fs_unmark_block_bitmap(fs->block_map, blk);
40	fs->group_desc[group].bg_free_blocks_count -= inuse;
41	fs->super->s_free_blocks_count -= inuse;
42	ext2fs_mark_super_dirty(fs);
43	ext2fs_mark_bb_dirty(fs);
44}
45