elv_register_queue  351 block/blk-sysfs.c 	ret = elv_register_queue(q);
elv_register_queue 1134 block/elevator.c 	if (elv_register_queue(q))
elv_register_queue 1156 block/elevator.c 	elv_register_queue(q);
elv_register_queue  112 include/linux/elevator.h extern int elv_register_queue(struct request_queue *q);