diff options
Diffstat (limited to 'block/blk-mq.c')
| -rw-r--r-- | block/blk-mq.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 101466ece4c4..d04ee72ba125 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -2481,7 +2481,6 @@ void blk_mq_submit_bio(struct bio *bio) { struct request_queue *q = bdev_get_queue(bio->bi_bdev); const int is_sync = op_is_sync(bio->bi_opf); - const int is_flush_fua = op_is_flush(bio->bi_opf); struct request *rq; struct blk_plug *plug; bool same_queue_rq = false; @@ -2495,12 +2494,12 @@ void blk_mq_submit_bio(struct bio *bio) if (!bio_integrity_prep(bio)) goto queue_exit; - if (!is_flush_fua && !blk_queue_nomerges(q) && - blk_attempt_plug_merge(q, bio, nr_segs, &same_queue_rq)) - goto queue_exit; - - if (blk_mq_sched_bio_merge(q, bio, nr_segs)) - goto queue_exit; + if (!blk_queue_nomerges(q) && bio_mergeable(bio)) { + if (blk_attempt_plug_merge(q, bio, nr_segs, &same_queue_rq)) + goto queue_exit; + if (blk_mq_sched_bio_merge(q, bio, nr_segs)) + goto queue_exit; + } rq_qos_throttle(q, bio); @@ -2543,7 +2542,7 @@ void blk_mq_submit_bio(struct bio *bio) return; } - if (is_flush_fua && blk_insert_flush(rq)) + if (op_is_flush(bio->bi_opf) && blk_insert_flush(rq)) return; if (plug && (q->nr_hw_queues == 1 || |