blk_mq_sched_allow_merge 233 block/blk-mq-sched.c if (!blk_mq_sched_allow_merge(q, rq, bio)) blk_mq_sched_allow_merge 242 block/blk-mq-sched.c if (!blk_mq_sched_allow_merge(q, rq, bio)) blk_mq_sched_allow_merge 279 block/blk-mq-sched.c if (blk_mq_sched_allow_merge(q, rq, bio)) blk_mq_sched_allow_merge 284 block/blk-mq-sched.c if (blk_mq_sched_allow_merge(q, rq, bio))