cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ref-verify.h (1174B)

      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