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blk-mq: use blk_mq_start_hw_queues() when running requeue work
authorJens Axboe <axboe@fb.com>
Fri, 19 Sep 2014 19:10:29 +0000 (13:10 -0600)
committerJens Axboe <axboe@fb.com>
Mon, 22 Sep 2014 17:55:56 +0000 (11:55 -0600)
When requests are retried due to hw or sw resource shortages,
we often stop the associated hardware queue. So ensure that we
restart the queues when running the requeue work, otherwise the
queue run will be a no-op.

Signed-off-by: Jens Axboe <axboe@fb.com>

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