diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-01-27 08:30:47 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-01-27 09:01:45 -0700 |
| commit | f73f44eb00cb136990cfb7d40e436c13d7669ec8 (patch) | |
| tree | e0a5cc16d9373eec0346538fe073f0c0b08133bf /block/blk-mq-sched.c | |
| parent | c13660a08c8b3bb49def4374bfd414aaaa564662 (diff) | |
| download | lwn-f73f44eb00cb136990cfb7d40e436c13d7669ec8.tar.gz lwn-f73f44eb00cb136990cfb7d40e436c13d7669ec8.zip | |
block: add a op_is_flush helper
This centralizes the checks for bios that needs to be go into the flush
state machine.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-mq-sched.c')
| -rw-r--r-- | block/blk-mq-sched.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index c27613de80c5..4139b07ab33b 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -111,7 +111,6 @@ struct request *blk_mq_sched_get_request(struct request_queue *q, struct blk_mq_hw_ctx *hctx; struct blk_mq_ctx *ctx; struct request *rq; - const bool is_flush = op & (REQ_PREFLUSH | REQ_FUA); blk_queue_enter_live(q); ctx = blk_mq_get_ctx(q); @@ -126,7 +125,7 @@ struct request *blk_mq_sched_get_request(struct request_queue *q, * Flush requests are special and go directly to the * dispatch list. */ - if (!is_flush && e->type->ops.mq.get_request) { + if (!op_is_flush(op) && e->type->ops.mq.get_request) { rq = e->type->ops.mq.get_request(q, op, data); if (rq) rq->rq_flags |= RQF_QUEUED; @@ -139,7 +138,7 @@ struct request *blk_mq_sched_get_request(struct request_queue *q, } if (rq) { - if (!is_flush) { + if (!op_is_flush(op)) { rq->elv.icq = NULL; if (e && e->type->icq_cache) blk_mq_sched_assign_ioc(q, rq, bio); |