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