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Commit 8f5280f4 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
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blk-mq: properly drain stopped queues 



If we need to drain a queue we need to run all queues, even if they
are marked stopped to make sure the driver has a chance to error out
on all queued requests.

This fixes surprise removal with scsi-mq.

Reported-by: default avatarBart Van Assche <bvanassche@acm.org>
Tested-by: default avatarBart Van Assche <bvanassche@acm.org>

Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent 28747fcd

block/blk-mq.c

+1 −1
Original line number Diff line number Diff line
@@ -120,7 +120,7 @@ static void __blk_mq_drain_queue(struct request_queue *q) 


		if (count == 0)

			break;

		blk_mq_run_queues(q, false);

		blk_mq_start_hw_queues(q);

		msleep(10);

	}

}