alloc_stats.c revision 8bd0c95908baa3af706b9e731daff9472bec74c9
18bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o/* 28bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o * alloc_stats.c --- Update allocation statistics for ext2fs 38bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o * 48bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o * Copyright (C) 2001 Theodore Ts'o. 58bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o * 68bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o * %Begin-Header% 78bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o * This file may be redistributed under the terms of the GNU Public 88bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o * License. 98bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o * %End-Header% 108bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o * 118bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o */ 128bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o 138bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o#include <stdio.h> 148bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o 158bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o#include "ext2_fs.h" 168bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o#include "ext2fs.h" 178bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o 188bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'ovoid ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse) 198bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o{ 208bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o int group = ext2fs_group_of_ino(fs, ino); 218bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o 228bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o if (inuse > 0) 238bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o ext2fs_mark_inode_bitmap(fs->inode_map, ino); 248bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o else 258bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o ext2fs_unmark_inode_bitmap(fs->inode_map, ino); 268bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o fs->group_desc[group].bg_free_inodes_count -= inuse; 278bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o fs->super->s_free_inodes_count -= inuse; 288bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o ext2fs_mark_super_dirty(fs); 298bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o ext2fs_mark_ib_dirty(fs); 308bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o} 318bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o 328bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'ovoid ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse) 338bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o{ 348bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o int group = ext2fs_group_of_blk(fs, blk); 358bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o 368bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o if (inuse > 0) 378bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o ext2fs_mark_block_bitmap(fs->block_map, blk); 388bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o else 398bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o ext2fs_unmark_block_bitmap(fs->block_map, blk); 408bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o fs->group_desc[group].bg_free_blocks_count -= inuse; 418bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o fs->super->s_free_blocks_count -= inuse; 428bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o ext2fs_mark_super_dirty(fs); 438bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o ext2fs_mark_bb_dirty(fs); 448bd0c95908baa3af706b9e731daff9472bec74c9Theodore Ts'o} 45