1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2014 Facebook. All rights reserved.
4 */
5
6#ifndef BTRFS_REF_VERIFY_H
7#define BTRFS_REF_VERIFY_H
8
9#ifdef CONFIG_BTRFS_FS_REF_VERIFY
10int btrfs_build_ref_tree(struct btrfs_fs_info *fs_info);
11void btrfs_free_ref_cache(struct btrfs_fs_info *fs_info);
12int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info,
13 struct btrfs_ref *generic_ref);
14void btrfs_free_ref_tree_range(struct btrfs_fs_info *fs_info, u64 start,
15 u64 len);
16
17static inline void btrfs_init_ref_verify(struct btrfs_fs_info *fs_info)
18{
19 spin_lock_init(&fs_info->ref_verify_lock);
20 fs_info->block_tree = RB_ROOT;
21}
22#else
23static inline int btrfs_build_ref_tree(struct btrfs_fs_info *fs_info)
24{
25 return 0;
26}
27
28static inline void btrfs_free_ref_cache(struct btrfs_fs_info *fs_info)
29{
30}
31
32static inline int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info,
33 struct btrfs_ref *generic_ref)
34{
35 return 0;
36}
37
38static inline void btrfs_free_ref_tree_range(struct btrfs_fs_info *fs_info,
39 u64 start, u64 len)
40{
41}
42
43static inline void btrfs_init_ref_verify(struct btrfs_fs_info *fs_info)
44{
45}
46
47#endif /* CONFIG_BTRFS_FS_REF_VERIFY */
48
49#endif
50

source code of linux/fs/btrfs/ref-verify.h