2317 			       int *write_lock_level)  in unlock_up()  argument
2349 			if (write_lock_level &&  in unlock_up()
2351 			    i <= *write_lock_level) {  in unlock_up()
2352 				*write_lock_level = i - 1;  in unlock_up()
2468 		       int *write_lock_level)  in setup_nodes_for_search()  argument
2477 		if (*write_lock_level < level + 1) {  in setup_nodes_for_search()
2478 			*write_lock_level = level + 1;  in setup_nodes_for_search()
2497 		if (*write_lock_level < level + 1) {  in setup_nodes_for_search()
2498 			*write_lock_level = level + 1;  in setup_nodes_for_search()
2563 							int write_lock_level)  in btrfs_search_slot_get_root()  argument
2614 	if (write_lock_level < BTRFS_MAX_LEVEL) {  in btrfs_search_slot_get_root()
2621 		if (level > write_lock_level)  in btrfs_search_slot_get_root()
2682 	int write_lock_level = 0;  in btrfs_search_slot()  local
2699 		write_lock_level = 2;  in btrfs_search_slot()
2705 		write_lock_level = 1;  in btrfs_search_slot()
2709 		write_lock_level = -1;  in btrfs_search_slot()
2712 		write_lock_level = BTRFS_MAX_LEVEL;  in btrfs_search_slot()
2714 	min_write_lock_level = write_lock_level;  in btrfs_search_slot()
2718 	b = btrfs_search_slot_get_root(root, p, write_lock_level);  in btrfs_search_slot()
2746 			if (level > write_lock_level ||  in btrfs_search_slot()
2747 			    (level + 1 > write_lock_level &&  in btrfs_search_slot()
2750 				write_lock_level = level + 1;  in btrfs_search_slot()
2819 				if (write_lock_level < 1) {  in btrfs_search_slot()
2820 					write_lock_level = 1;  in btrfs_search_slot()
2846 					     &write_lock_level);  in btrfs_search_slot()
2861 		if (slot == 0 && ins_len && write_lock_level < level + 1) {  in btrfs_search_slot()
2862 			write_lock_level = level + 1;  in btrfs_search_slot()
2868 			  &write_lock_level);  in btrfs_search_slot()
2886 			if (level <= write_lock_level) {  in btrfs_search_slot()