14 #define BTRFS_WRITE_LOCK 1
88 void __btrfs_tree_lock(struct extent_buffer *eb, enum btrfs_lock_nesting nest);
89 void btrfs_tree_lock(struct extent_buffer *eb);
90 void btrfs_tree_unlock(struct extent_buffer *eb);
92 void __btrfs_tree_read_lock(struct extent_buffer *eb, enum btrfs_lock_nesting nest,
94 void btrfs_tree_read_lock(struct extent_buffer *eb);
95 void btrfs_tree_read_unlock(struct extent_buffer *eb);
96 void btrfs_tree_read_unlock_blocking(struct extent_buffer *eb);
97 void btrfs_set_lock_blocking_read(struct extent_buffer *eb);
98 void btrfs_set_lock_blocking_write(struct extent_buffer *eb);
99 int btrfs_try_tree_read_lock(struct extent_buffer *eb);
100 int btrfs_try_tree_write_lock(struct extent_buffer *eb);
101 int btrfs_tree_read_lock_atomic(struct extent_buffer *eb);
112 static inline void btrfs_assert_tree_locked(struct extent_buffer *eb) {  in btrfs_assert_tree_locked()  argument
113 	BUG_ON(!eb->write_locks);  in btrfs_assert_tree_locked()
116 static inline void btrfs_assert_tree_locked(struct extent_buffer *eb) { }  in btrfs_assert_tree_locked()  argument
122 static inline void btrfs_tree_unlock_rw(struct extent_buffer *eb, int rw)  in btrfs_tree_unlock_rw()  argument
125 		btrfs_tree_unlock(eb);  in btrfs_tree_unlock_rw()
127 		btrfs_tree_read_unlock_blocking(eb);  in btrfs_tree_unlock_rw()
129 		btrfs_tree_read_unlock(eb);  in btrfs_tree_unlock_rw()