blk_try_merge 720 block/blk-core.c switch (blk_try_merge(rq, bio)) { blk_try_merge 277 block/blk-mq-sched.c switch (blk_try_merge(rq, bio)) { blk_try_merge 242 block/blk.h enum elv_merge blk_try_merge(struct request *rq, struct bio *bio); blk_try_merge 323 block/elevator.c enum elv_merge ret = blk_try_merge(q->last_merge, bio);