mirror of https://gitee.com/openkylin/linux.git
63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
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/*
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* Copyright (C) 2014 Facebook. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __REF_VERIFY__
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#define __REF_VERIFY__
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#ifdef CONFIG_BTRFS_FS_REF_VERIFY
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int btrfs_build_ref_tree(struct btrfs_fs_info *fs_info);
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void btrfs_free_ref_cache(struct btrfs_fs_info *fs_info);
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int btrfs_ref_tree_mod(struct btrfs_root *root, u64 bytenr, u64 num_bytes,
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u64 parent, u64 ref_root, u64 owner, u64 offset,
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int action);
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void btrfs_free_ref_tree_range(struct btrfs_fs_info *fs_info, u64 start,
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u64 len);
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static inline void btrfs_init_ref_verify(struct btrfs_fs_info *fs_info)
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{
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spin_lock_init(&fs_info->ref_verify_lock);
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fs_info->block_tree = RB_ROOT;
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}
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#else
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static inline int btrfs_build_ref_tree(struct btrfs_fs_info *fs_info)
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{
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return 0;
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}
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static inline void btrfs_free_ref_cache(struct btrfs_fs_info *fs_info)
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{
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}
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static inline int btrfs_ref_tree_mod(struct btrfs_root *root, u64 bytenr,
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u64 num_bytes, u64 parent, u64 ref_root,
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u64 owner, u64 offset, int action)
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{
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return 0;
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}
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static inline void btrfs_free_ref_tree_range(struct btrfs_fs_info *fs_info,
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u64 start, u64 len)
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{
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}
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static inline void btrfs_init_ref_verify(struct btrfs_fs_info *fs_info)
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{
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}
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#endif /* CONFIG_BTRFS_FS_REF_VERIFY */
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#endif /* _REF_VERIFY__ */
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