bio_attempt_front_merge  725 block/blk-core.c 			merged = bio_attempt_front_merge(rq, bio, nr_segs);
bio_attempt_front_merge  244 block/blk-mq-sched.c 		if (!bio_attempt_front_merge(rq, bio, nr_segs))
bio_attempt_front_merge  285 block/blk-mq-sched.c 				merged = bio_attempt_front_merge(rq, bio,
bio_attempt_front_merge  179 block/blk.h    bool bio_attempt_front_merge(struct request *req, struct bio *bio,