54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
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/* vi: set sw=4 ts=4: */
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/*
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* alloc_stats.c --- Update allocation statistics for ext2fs
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*
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* Copyright (C) 2001 Theodore Ts'o.
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*
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* %Begin-Header%
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* This file may be redistributed under the terms of the GNU Public
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* License.
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* %End-Header%
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*
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*/
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#include <stdio.h>
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#include "ext2_fs.h"
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#include "ext2fs.h"
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void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino,
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int inuse, int isdir)
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{
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int group = ext2fs_group_of_ino(fs, ino);
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if (inuse > 0)
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ext2fs_mark_inode_bitmap(fs->inode_map, ino);
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else
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ext2fs_unmark_inode_bitmap(fs->inode_map, ino);
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fs->group_desc[group].bg_free_inodes_count -= inuse;
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if (isdir)
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fs->group_desc[group].bg_used_dirs_count += inuse;
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fs->super->s_free_inodes_count -= inuse;
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ext2fs_mark_super_dirty(fs);
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ext2fs_mark_ib_dirty(fs);
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}
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void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse)
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{
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ext2fs_inode_alloc_stats2(fs, ino, inuse, 0);
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}
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void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse)
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{
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int group = ext2fs_group_of_blk(fs, blk);
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if (inuse > 0)
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ext2fs_mark_block_bitmap(fs->block_map, blk);
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else
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ext2fs_unmark_block_bitmap(fs->block_map, blk);
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fs->group_desc[group].bg_free_blocks_count -= inuse;
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fs->super->s_free_blocks_count -= inuse;
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ext2fs_mark_super_dirty(fs);
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ext2fs_mark_bb_dirty(fs);
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}
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