former_request 6791 block/bfq-iosched.c .former_request = elv_rb_former_request, former_request 430 block/elevator.c if (e->type->ops.former_request) former_request 431 block/elevator.c return e->type->ops.former_request(q, rq); former_request 781 block/mq-deadline.c .former_request = elv_rb_former_request, former_request 49 include/linux/elevator.h struct request *(*former_request)(struct request_queue *, struct request *);