LXR linux/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
  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