2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU General Public
4 * License v2 as published by the Free Software Foundation.
6 * This program is distributed in the hope that it will be useful,
7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
9 * General Public License for more details.
11 * You should have received a copy of the GNU General Public
12 * License along with this program; if not, write to the
13 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
14 * Boston, MA 021110-1307, USA.
18 * Defines and function declarations for code shared by both lowmem and
21 #ifndef __BTRFS_CHECK_COMMON_H__
22 #define __BTRFS_CHECK_COMMON_H__
26 * Use for tree walk to walk through trees whose leaves/nodes can be shared
27 * between different trees. (Namely subvolume/fs trees)
30 u64 bytenr[BTRFS_MAX_LEVEL];
31 u64 refs[BTRFS_MAX_LEVEL];
32 int need_check[BTRFS_MAX_LEVEL];
33 /* field for checking all trees */
34 int checked[BTRFS_MAX_LEVEL];
35 /* the corresponding extent should be marked as full backref or not */
36 int full_backref[BTRFS_MAX_LEVEL];
39 extern u64 bytes_used;
40 extern u64 total_csum_bytes;
41 extern u64 total_btree_bytes;
42 extern u64 total_fs_tree_bytes;
43 extern u64 total_extent_tree_bytes;
44 extern u64 btree_space_waste;
45 extern u64 data_bytes_allocated;
46 extern u64 data_bytes_referenced;
47 extern struct list_head duplicate_extents;
48 extern struct list_head delete_items;
50 extern int init_extent_tree;
51 extern int check_data_csum;
52 extern struct btrfs_fs_info *global_info;
53 extern struct task_ctx ctx;
54 extern struct cache_tree *roots_info_cache;