From 8b95741569eabc5eb17da71d1d3668cdb0bef86c Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@fb.com>
Date: Fri, 19 Sep 2014 13:10:29 -0600
Subject: [PATCH] blk-mq: use blk_mq_start_hw_queues() when running requeue
 work

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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