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authorBart Van Assche <bart.vanassche@wdc.com>2017-11-09 21:49:55 +0300
committerJens Axboe <axboe@kernel.dk>2017-11-11 05:53:25 +0300
commit1b6d65a0bfb5df2a6029c1430e99fcc5d96bb59a (patch)
tree61e5189d6c57e5eb34cade66ef27d690f9774bb8 /include/linux/blk-mq.h
parent6a15674d1e90917f1723a814e2e8c949000440f7 (diff)
downloadlinux-1b6d65a0bfb5df2a6029c1430e99fcc5d96bb59a.tar.xz
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.h1
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,