mirror of https://gitee.com/openkylin/linux.git
63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/*
|
|
* Copyright (C) 2014 Facebook. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public
|
|
* License v2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public
|
|
* License along with this program; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 021110-1307, USA.
|
|
*/
|
|
#ifndef __REF_VERIFY__
|
|
#define __REF_VERIFY__
|
|
|
|
#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 /* _REF_VERIFY__ */
|