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| 2 | |
| 3 | * Copyright (C) 2014 Facebook. All rights reserved.
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| 4 |
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| 5 |
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| 6 | #ifndef BTRFS_REF_VERIFY_H
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| 7 | #define BTRFS_REF_VERIFY_H
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| 8 |
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| 9 | #include <linux/types.h>
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| 10 | #include <linux/rbtree_types.h>
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| 11 |
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| 12 | struct btrfs_fs_info;
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| 13 | struct btrfs_ref;
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| 14 |
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| 15 | #ifdef CONFIG_BTRFS_DEBUG
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| 16 |
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| 17 | #include <linux/spinlock.h>
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| 18 |
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| 19 | int btrfs_build_ref_tree(struct btrfs_fs_info *fs_info);
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| 20 | void btrfs_free_ref_cache(struct btrfs_fs_info *fs_info);
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| 21 | int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info,
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| 22 | const struct btrfs_ref *generic_ref);
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| 23 | void btrfs_free_ref_tree_range(struct btrfs_fs_info *fs_info, u64 start,
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| 24 | u64 len);
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| 25 |
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| 26 | static inline void btrfs_init_ref_verify(struct btrfs_fs_info *fs_info)
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| 27 | {
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| 28 | spin_lock_init(&fs_info->ref_verify_lock);
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| 29 | fs_info->block_tree = RB_ROOT;
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| 30 | }
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| 31 | #else
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| 32 | static inline int btrfs_build_ref_tree(struct btrfs_fs_info *fs_info)
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| 33 | {
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| 34 | return 0;
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| 35 | }
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| 36 |
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| 37 | static inline void btrfs_free_ref_cache(struct btrfs_fs_info *fs_info)
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| 38 | {
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| 39 | }
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| 40 |
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| 41 | static inline int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info,
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| 42 | const struct btrfs_ref *generic_ref)
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| 43 | {
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| 44 | return 0;
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| 45 | }
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| 46 |
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| 47 | static inline void btrfs_free_ref_tree_range(struct btrfs_fs_info *fs_info,
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| 48 | u64 start, u64 len)
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| 49 | {
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| 50 | }
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| 51 |
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| 52 | static inline void btrfs_init_ref_verify(struct btrfs_fs_info *fs_info)
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| 53 | {
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| 54 | }
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| 55 |
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| 56 | #endif
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| 57 |
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| 58 | #endif
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