From f04c1fe7619b2a60ee9e209cf3f9fcba2ce8f2a2 Mon Sep 17 00:00:00 2001
From: Ming Lei <tom.leiming@gmail.com>
Date: Thu, 26 Dec 2013 21:31:36 +0800
Subject: [PATCH] block: blk-mq: make blk_sync_queue support mq

This patch moves synchronization on mq->delay_work
from blk_mq_free_queue() to blk_sync_queue(), so that
blk_sync_queue can work on mq.

Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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