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| author | Bart Van Assche <bart.vanassche@wdc.com> | 2017-11-09 10:49:55 -0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-11-10 19:53:25 -0700 |
| commit | 1b6d65a0bfb5df2a6029c1430e99fcc5d96bb59a (patch) | |
| tree | 61e5189d6c57e5eb34cade66ef27d690f9774bb8 /block/blk-mq.c | |
| parent | 6a15674d1e90917f1723a814e2e8c949000440f7 (diff) | |
| download | linux-1b6d65a0bfb5df2a6029c1430e99fcc5d96bb59a.tar.gz linux-1b6d65a0bfb5df2a6029c1430e99fcc5d96bb59a.tar.bz2 linux-1b6d65a0bfb5df2a6029c1430e99fcc5d96bb59a.zip | |
block: Introduce BLK_MQ_REQ_PREEMPT
Set RQF_PREEMPT if BLK_MQ_REQ_PREEMPT is passed to
blk_get_request_flags().
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Martin Steigerwald <martin@lichtvoll.de>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq.c')
| -rw-r--r-- | block/blk-mq.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 7173d4bd64af..e21876778cec 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -291,6 +291,8 @@ static struct request *blk_mq_rq_ctx_init(struct blk_mq_alloc_data *data, rq->q = data->q; rq->mq_ctx = data->ctx; rq->cmd_flags = op; + if (data->flags & BLK_MQ_REQ_PREEMPT) + rq->rq_flags |= RQF_PREEMPT; if (blk_queue_io_stat(data->q)) rq->rq_flags |= RQF_IO_STAT; /* do not touch atomic flags, it needs atomic ops against the timer */ |