diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2021-10-18 21:37:29 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-10-18 14:38:45 -0600 |
| commit | 128459062bc994355027e190477c432ec5b5638a (patch) | |
| tree | 32ce1fb4ce755a8232bad2cd3bad1bb6d8d7752b /block | |
| parent | 605f784e4f5faecf6c78070c6bf446e920104f9f (diff) | |
block: cache rq_flags inside blk_mq_rq_ctx_init()
Add a local variable for rq_flags, it helps to compile out some of
rq_flags reloads.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-mq.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index fa4de25c3bcb..633d73580712 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -318,17 +318,23 @@ static struct request *blk_mq_rq_ctx_init(struct blk_mq_alloc_data *data, struct elevator_queue *e = q->elevator; struct blk_mq_tags *tags = blk_mq_tags_from_data(data); struct request *rq = tags->static_rqs[tag]; + unsigned int rq_flags = 0; if (e) { - rq->rq_flags = RQF_ELV; + rq_flags = RQF_ELV; rq->tag = BLK_MQ_NO_TAG; rq->internal_tag = tag; } else { - rq->rq_flags = 0; rq->tag = tag; rq->internal_tag = BLK_MQ_NO_TAG; } + if (data->flags & BLK_MQ_REQ_PM) + rq_flags |= RQF_PM; + if (blk_queue_io_stat(q)) + rq_flags |= RQF_IO_STAT; + rq->rq_flags = rq_flags; + if (blk_mq_need_time_stamp(rq)) rq->start_time_ns = ktime_get_ns(); else @@ -338,10 +344,6 @@ static struct request *blk_mq_rq_ctx_init(struct blk_mq_alloc_data *data, rq->mq_ctx = ctx; rq->mq_hctx = hctx; rq->cmd_flags = data->cmd_flags; - if (data->flags & BLK_MQ_REQ_PM) - rq->rq_flags |= RQF_PM; - if (blk_queue_io_stat(q)) - rq->rq_flags |= RQF_IO_STAT; rq->rq_disk = NULL; rq->part = NULL; #ifdef CONFIG_BLK_RQ_ALLOC_TIME |