3278 static void btrfs_double_inode_unlock(struct inode *inode1, struct inode *inode2)  in btrfs_double_inode_unlock()  argument
3280 	inode_unlock(inode1);  in btrfs_double_inode_unlock()
3284 static void btrfs_double_inode_lock(struct inode *inode1, struct inode *inode2)  in btrfs_double_inode_lock()  argument
3286 	if (inode1 < inode2)  in btrfs_double_inode_lock()
3287 		swap(inode1, inode2);  in btrfs_double_inode_lock()
3289 	inode_lock_nested(inode1, I_MUTEX_PARENT);  in btrfs_double_inode_lock()
3293 static void btrfs_double_extent_unlock(struct inode *inode1, u64 loff1,  in btrfs_double_extent_unlock()  argument
3296 	unlock_extent(&BTRFS_I(inode1)->io_tree, loff1, loff1 + len - 1);  in btrfs_double_extent_unlock()
3300 static int btrfs_double_extent_lock(struct inode *inode1, u64 loff1,  in btrfs_double_extent_lock()  argument
3306 	if (inode1 < inode2) {  in btrfs_double_extent_lock()
3307 		swap(inode1, inode2);  in btrfs_double_extent_lock()
3310 	ret = lock_extent_range(inode1, loff1, len, retry_range_locking);  in btrfs_double_extent_lock()
3315 		unlock_extent(&BTRFS_I(inode1)->io_tree, loff1,  in btrfs_double_extent_lock()