tree 7069612726981086d6b2caaa5db671a236d9faef
parent b52c2e92546ee794a5bbab4d8ea435c1de85a8cb
author Sagi Grimberg <sagi@grimberg.me> 1499151641 +0300
committer Sagi Grimberg <sagi@grimberg.me> 1499323758 +0300

mtip32xx: quiesce request queues to make sure no submissions are inflight

Unlike blk_mq_stop_hw_queues, blk_mq_quiesce_queue respects the
submission path rcu grace. quiesce the queue before iterating
on live tags, or performing device io quiescing.

While were at it, verify that the request started in mtip_abort_cmd
amd mtip_queue_cmd tag iteration calls.

Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>