forked from mirrors/linux
8a5040f7d9
It's a perfect match for btrfs_ref_tree_mod() to use btrfs_ref, as btrfs_ref describes a metadata/data reference update comprehensively. Now we have one less function use confusing owner/level trick. Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2014 Facebook. All rights reserved.
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*/
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#ifndef BTRFS_REF_VERIFY_H
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#define BTRFS_REF_VERIFY_H
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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_fs_info *fs_info,
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struct btrfs_ref *generic_ref);
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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_fs_info *fs_info,
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struct btrfs_ref *generic_ref)
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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
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