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 10 int btrfs_build_ref_tree(struct btrfs_fs_info *fs_info); 11 void btrfs_free_ref_cache(struct btrfs_fs_info *fs_info); 12 int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info, 13 struct btrfs_ref *generic_ref); 14 void btrfs_free_ref_tree_range(struct btrfs_fs_info *fs_info, u64 start, 15 u64 len); 16 17 static 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 23 static inline int btrfs_build_ref_tree(struct btrfs_fs_info *fs_info) 24 { 25 return 0; 26 } 27 28 static inline void btrfs_free_ref_cache(struct btrfs_fs_info *fs_info) 29 { 30 } 31 32 static inline int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info, 33 struct btrfs_ref *generic_ref) 34 { 35 return 0; 36 } 37 38 static inline void btrfs_free_ref_tree_range(struct btrfs_fs_info *fs_info, 39 u64 start, u64 len) 40 { 41 } 42 43 static 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