Revision b4459b11e84092658fa195a2587aff3b9637f0e7 authored by Ming Lei on 23 September 2021, 09:11:31 UTC, committed by Mike Snitzer on 12 October 2021, 17:54:10 UTC
DM uses blk-mq's quiesce/unquiesce to stop/start device mapper queue.

But blk-mq's unquiesce may come from outside events, such as elevator
switch, updating nr_requests or others, and request may come during
suspend, so simply ask for blk-mq to requeue it.

Fixes one kernel panic issue when running updating nr_requests and
dm-mpath suspend/resume stress test.

Cc: stable@vger.kernel.org
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
1 parent ec132ef
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