request_merge 6794 block/bfq-iosched.c .request_merge = bfq_request_merge, request_merge 343 block/elevator.c if (e->type->ops.request_merge) request_merge 344 block/elevator.c return e->type->ops.request_merge(q, req, bio); request_merge 783 block/mq-deadline.c .request_merge = dd_request_merge, request_merge 38 include/linux/elevator.h int (*request_merge)(struct request_queue *q, struct request **, struct bio *);