2342 			       int *write_lock_level)  in unlock_up()  argument
2374 			if (write_lock_level &&  in unlock_up()
2376 			    i <= *write_lock_level) {  in unlock_up()
2377 				*write_lock_level = i - 1;  in unlock_up()
2493 		       int *write_lock_level)  in setup_nodes_for_search()  argument
2502 		if (*write_lock_level < level + 1) {  in setup_nodes_for_search()
2503 			*write_lock_level = level + 1;  in setup_nodes_for_search()
2522 		if (*write_lock_level < level + 1) {  in setup_nodes_for_search()
2523 			*write_lock_level = level + 1;  in setup_nodes_for_search()
2588 							int write_lock_level)  in btrfs_search_slot_get_root()  argument
2639 	if (write_lock_level < BTRFS_MAX_LEVEL) {  in btrfs_search_slot_get_root()
2646 		if (level > write_lock_level)  in btrfs_search_slot_get_root()
2718 	int write_lock_level = 0;  in btrfs_search_slot()  local
2735 		write_lock_level = 2;  in btrfs_search_slot()
2741 		write_lock_level = 1;  in btrfs_search_slot()
2745 		write_lock_level = -1;  in btrfs_search_slot()
2748 		write_lock_level = BTRFS_MAX_LEVEL;  in btrfs_search_slot()
2750 	min_write_lock_level = write_lock_level;  in btrfs_search_slot()
2754 	b = btrfs_search_slot_get_root(root, p, write_lock_level);  in btrfs_search_slot()
2782 			if (level > write_lock_level ||  in btrfs_search_slot()
2783 			    (level + 1 > write_lock_level &&  in btrfs_search_slot()
2786 				write_lock_level = level + 1;  in btrfs_search_slot()
2855 				if (write_lock_level < 1) {  in btrfs_search_slot()
2856 					write_lock_level = 1;  in btrfs_search_slot()
2882 					     &write_lock_level);  in btrfs_search_slot()
2897 		if (slot == 0 && ins_len && write_lock_level < level + 1) {  in btrfs_search_slot()
2898 			write_lock_level = level + 1;  in btrfs_search_slot()
2904 			  &write_lock_level);  in btrfs_search_slot()
2922 			if (level <= write_lock_level) {  in btrfs_search_slot()