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 18 void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino, 19 int inuse, int isdir) 20 { 21 int group = ext2fs_group_of_ino(fs, ino); 22 23 if (inuse > 0) 24 ext2fs_mark_inode_bitmap(fs->inode_map, ino); 25 else 26 ext2fs_unmark_inode_bitmap(fs->inode_map, ino); 27 fs->group_desc[group].bg_free_inodes_count -= inuse; 28 if (isdir) 29 fs->group_desc[group].bg_used_dirs_count += inuse; 30 fs->super->s_free_inodes_count -= inuse; 31 ext2fs_mark_super_dirty(fs); 32 ext2fs_mark_ib_dirty(fs); 33 } 34 35 void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse) 36 { 37 ext2fs_inode_alloc_stats2(fs, ino, inuse, 0); 38 } 39 40 void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse) 41 { 42 int group = ext2fs_group_of_blk(fs, blk); 43 44 if (inuse > 0) 45 ext2fs_mark_block_bitmap(fs->block_map, blk); 46 else 47 ext2fs_unmark_block_bitmap(fs->block_map, blk); 48 fs->group_desc[group].bg_free_blocks_count -= inuse; 49 fs->super->s_free_blocks_count -= inuse; 50 ext2fs_mark_super_dirty(fs); 51 ext2fs_mark_bb_dirty(fs); 52 } 53
