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