1568 			       int *write_lock_level)  in unlock_up()  argument
1601 			if (write_lock_level &&  in unlock_up()
1603 			    i <= *write_lock_level) {  in unlock_up()
1604 				*write_lock_level = i - 1;  in unlock_up()
1748 		       int *write_lock_level)  in setup_nodes_for_search()  argument
1756 		if (*write_lock_level < level + 1) {  in setup_nodes_for_search()
1757 			*write_lock_level = level + 1;  in setup_nodes_for_search()
1769 		if (*write_lock_level < level + 1) {  in setup_nodes_for_search()
1770 			*write_lock_level = level + 1;  in setup_nodes_for_search()
1827 							int write_lock_level)  in btrfs_search_slot_get_root()  argument
1859 	if (write_lock_level < BTRFS_MAX_LEVEL) {  in btrfs_search_slot_get_root()
1872 		if (level > write_lock_level)  in btrfs_search_slot_get_root()
2136 	int write_lock_level = 0;  in btrfs_search_slot()  local
2162 		write_lock_level = 2;  in btrfs_search_slot()
2168 		write_lock_level = 1;  in btrfs_search_slot()
2172 		write_lock_level = -1;  in btrfs_search_slot()
2175 		write_lock_level = BTRFS_MAX_LEVEL;  in btrfs_search_slot()
2177 	min_write_lock_level = write_lock_level;  in btrfs_search_slot()
2191 	b = btrfs_search_slot_get_root(root, p, write_lock_level);  in btrfs_search_slot()
2217 			if (level > write_lock_level ||  in btrfs_search_slot()
2218 			    (level + 1 > write_lock_level &&  in btrfs_search_slot()
2221 				write_lock_level = level + 1;  in btrfs_search_slot()
2265 				ASSERT(write_lock_level >= 1);  in btrfs_search_slot()
2285 					     &write_lock_level);  in btrfs_search_slot()
2300 		if (slot == 0 && ins_len && write_lock_level < level + 1) {  in btrfs_search_slot()
2301 			write_lock_level = level + 1;  in btrfs_search_slot()
2307 			  &write_lock_level);  in btrfs_search_slot()
2328 			if (level <= write_lock_level) {  in btrfs_search_slot()