4746 		BUG_ON(!path->locks[level]);  in walk_down_proc()
4761 		if (path->locks[level] && !wc->keep_locks) {  in walk_down_proc()
4762 			btrfs_tree_unlock_rw(eb, path->locks[level]);  in walk_down_proc()
4763 			path->locks[level] = 0;  in walk_down_proc()
4770 		BUG_ON(!path->locks[level]);  in walk_down_proc()
4786 	if (path->locks[level] && level > 0) {  in walk_down_proc()
4787 		btrfs_tree_unlock_rw(eb, path->locks[level]);  in walk_down_proc()
4788 		path->locks[level] = 0;  in walk_down_proc()
4951 	path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING;  in do_walk_down()
5076 		if (!path->locks[level]) {  in walk_up_proc()
5080 			path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING;  in walk_up_proc()
5087 				btrfs_tree_unlock_rw(eb, path->locks[level]);  in walk_up_proc()
5088 				path->locks[level] = 0;  in walk_up_proc()
5093 				btrfs_tree_unlock_rw(eb, path->locks[level]);  in walk_up_proc()
5094 				path->locks[level] = 0;  in walk_up_proc()
5101 	BUG_ON(wc->refs[level] > 1 && !path->locks[level]);  in walk_up_proc()
5120 		if (!path->locks[level] &&  in walk_up_proc()
5124 			path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING;  in walk_up_proc()
5208 			if (path->locks[level]) {  in walk_up_tree()
5210 						     path->locks[level]);  in walk_up_tree()
5211 				path->locks[level] = 0;  in walk_up_tree()
5299 		path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING;  in btrfs_drop_snapshot()
5328 			path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING;  in btrfs_drop_snapshot()
5344 			path->locks[level] = 0;  in btrfs_drop_snapshot()
5520 	path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING;  in btrfs_drop_subtree()