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,