1386 			       int *write_lock_level)  in unlock_up()  argument
1418 			if (write_lock_level &&  in unlock_up()
1420 			    i <= *write_lock_level) {  in unlock_up()
1421 				*write_lock_level = i - 1;  in unlock_up()
1531 		       int *write_lock_level)  in setup_nodes_for_search()  argument
1539 		if (*write_lock_level < level + 1) {  in setup_nodes_for_search()
1540 			*write_lock_level = level + 1;  in setup_nodes_for_search()
1552 		if (*write_lock_level < level + 1) {  in setup_nodes_for_search()
1553 			*write_lock_level = level + 1;  in setup_nodes_for_search()
1610 							int write_lock_level)  in btrfs_search_slot_get_root()  argument
1642 	if (write_lock_level < BTRFS_MAX_LEVEL) {  in btrfs_search_slot_get_root()
1649 		if (level > write_lock_level)  in btrfs_search_slot_get_root()
1764 	int write_lock_level = 0;  in btrfs_search_slot()  local
1781 		write_lock_level = 2;  in btrfs_search_slot()
1787 		write_lock_level = 1;  in btrfs_search_slot()
1791 		write_lock_level = -1;  in btrfs_search_slot()
1794 		write_lock_level = BTRFS_MAX_LEVEL;  in btrfs_search_slot()
1796 	min_write_lock_level = write_lock_level;  in btrfs_search_slot()
1805 	b = btrfs_search_slot_get_root(root, p, write_lock_level);  in btrfs_search_slot()
1831 			if (level > write_lock_level ||  in btrfs_search_slot()
1832 			    (level + 1 > write_lock_level &&  in btrfs_search_slot()
1835 				write_lock_level = level + 1;  in btrfs_search_slot()
1917 				if (write_lock_level < 1) {  in btrfs_search_slot()
1918 					write_lock_level = 1;  in btrfs_search_slot()
1943 					     &write_lock_level);  in btrfs_search_slot()
1958 		if (slot == 0 && ins_len && write_lock_level < level + 1) {  in btrfs_search_slot()
1959 			write_lock_level = level + 1;  in btrfs_search_slot()
1965 			  &write_lock_level);  in btrfs_search_slot()
1986 			if (level <= write_lock_level) {  in btrfs_search_slot()