fs/btrfs/ref-verify.h

   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