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blk-mq: remove legacy check in queue blk_freeze_queue() 

Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2018-10-11 18:06:02 -06:00
parent 7ac257b862
commit ba7b443422
1 changed files with 0 additions and 2 deletions
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2
block/blk-mq.c
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@ -177,8 +177,6 @@ void blk_freeze_queue(struct request_queue *q)
* exported to drivers as the only user for unfreeze is blk_mq.
*/
blk_freeze_queue_start(q);
if (!q->mq_ops)
blk_drain_queue(q);
blk_mq_freeze_queue_wait(q);
}