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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 /include/linux/blk-mq.h | |
| parent | block: Introduce blk_get_request_flags() (diff) | |
| download | linux-dev-1b6d65a0bfb5df2a6029c1430e99fcc5d96bb59a.tar.xz linux-dev-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 'include/linux/blk-mq.h')
| -rw-r--r-- | include/linux/blk-mq.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 4ae987c2352c..82b56609736a 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -212,6 +212,7 @@ enum { BLK_MQ_REQ_NOWAIT = (1 << 0), /* return when out of requests */ BLK_MQ_REQ_RESERVED = (1 << 1), /* allocate from reserved pool */ BLK_MQ_REQ_INTERNAL = (1 << 2), /* allocate internal/sched tag */ + BLK_MQ_REQ_PREEMPT = (1 << 3), /* set RQF_PREEMPT */ }; struct request *blk_mq_alloc_request(struct request_queue *q, unsigned int op, |