diff options
-rw-r--r-- | block/blk-core.c | 5 | ||||
-rw-r--r-- | block/blk-exec.c | 1 |
2 files changed, 1 insertions, 5 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 8b4a0af7d69f..7e0fab53e930 100644 --- a/block/blk-core.c +++ b/block/blk-core.c | |||
@@ -1082,16 +1082,13 @@ void init_request_from_bio(struct request *req, struct bio *bio) | |||
1082 | if (bio_failfast_driver(bio)) | 1082 | if (bio_failfast_driver(bio)) |
1083 | req->cmd_flags |= REQ_FAILFAST_DRIVER; | 1083 | req->cmd_flags |= REQ_FAILFAST_DRIVER; |
1084 | 1084 | ||
1085 | /* | ||
1086 | * REQ_BARRIER implies no merging, but lets make it explicit | ||
1087 | */ | ||
1088 | if (unlikely(bio_discard(bio))) { | 1085 | if (unlikely(bio_discard(bio))) { |
1089 | req->cmd_flags |= REQ_DISCARD; | 1086 | req->cmd_flags |= REQ_DISCARD; |
1090 | if (bio_barrier(bio)) | 1087 | if (bio_barrier(bio)) |
1091 | req->cmd_flags |= REQ_SOFTBARRIER; | 1088 | req->cmd_flags |= REQ_SOFTBARRIER; |
1092 | req->q->prepare_discard_fn(req->q, req); | 1089 | req->q->prepare_discard_fn(req->q, req); |
1093 | } else if (unlikely(bio_barrier(bio))) | 1090 | } else if (unlikely(bio_barrier(bio))) |
1094 | req->cmd_flags |= (REQ_HARDBARRIER | REQ_NOMERGE); | 1091 | req->cmd_flags |= REQ_HARDBARRIER; |
1095 | 1092 | ||
1096 | if (bio_sync(bio)) | 1093 | if (bio_sync(bio)) |
1097 | req->cmd_flags |= REQ_RW_SYNC; | 1094 | req->cmd_flags |= REQ_RW_SYNC; |
diff --git a/block/blk-exec.c b/block/blk-exec.c index 6af716d1e54e..49557e91f0da 100644 --- a/block/blk-exec.c +++ b/block/blk-exec.c | |||
@@ -51,7 +51,6 @@ void blk_execute_rq_nowait(struct request_queue *q, struct gendisk *bd_disk, | |||
51 | int where = at_head ? ELEVATOR_INSERT_FRONT : ELEVATOR_INSERT_BACK; | 51 | int where = at_head ? ELEVATOR_INSERT_FRONT : ELEVATOR_INSERT_BACK; |
52 | 52 | ||
53 | rq->rq_disk = bd_disk; | 53 | rq->rq_disk = bd_disk; |
54 | rq->cmd_flags |= REQ_NOMERGE; | ||
55 | rq->end_io = done; | 54 | rq->end_io = done; |
56 | WARN_ON(irqs_disabled()); | 55 | WARN_ON(irqs_disabled()); |
57 | spin_lock_irq(q->queue_lock); | 56 | spin_lock_irq(q->queue_lock); |