|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | /* | 
|  | * Copyright (C) 2014 Facebook.  All rights reserved. | 
|  | */ | 
|  |  | 
|  | #ifndef BTRFS_REF_VERIFY_H | 
|  | #define BTRFS_REF_VERIFY_H | 
|  |  | 
|  | #ifdef CONFIG_BTRFS_FS_REF_VERIFY | 
|  | int btrfs_build_ref_tree(struct btrfs_fs_info *fs_info); | 
|  | void btrfs_free_ref_cache(struct btrfs_fs_info *fs_info); | 
|  | int btrfs_ref_tree_mod(struct btrfs_root *root, u64 bytenr, u64 num_bytes, | 
|  | u64 parent, u64 ref_root, u64 owner, u64 offset, | 
|  | int action); | 
|  | void btrfs_free_ref_tree_range(struct btrfs_fs_info *fs_info, u64 start, | 
|  | u64 len); | 
|  |  | 
|  | static inline void btrfs_init_ref_verify(struct btrfs_fs_info *fs_info) | 
|  | { | 
|  | spin_lock_init(&fs_info->ref_verify_lock); | 
|  | fs_info->block_tree = RB_ROOT; | 
|  | } | 
|  | #else | 
|  | static inline int btrfs_build_ref_tree(struct btrfs_fs_info *fs_info) | 
|  | { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static inline void btrfs_free_ref_cache(struct btrfs_fs_info *fs_info) | 
|  | { | 
|  | } | 
|  |  | 
|  | static inline int btrfs_ref_tree_mod(struct btrfs_root *root, u64 bytenr, | 
|  | u64 num_bytes, u64 parent, u64 ref_root, | 
|  | u64 owner, u64 offset, int action) | 
|  | { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static inline void btrfs_free_ref_tree_range(struct btrfs_fs_info *fs_info, | 
|  | u64 start, u64 len) | 
|  | { | 
|  | } | 
|  |  | 
|  | static inline void btrfs_init_ref_verify(struct btrfs_fs_info *fs_info) | 
|  | { | 
|  | } | 
|  |  | 
|  | #endif /* CONFIG_BTRFS_FS_REF_VERIFY */ | 
|  |  | 
|  | #endif |