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Date: Mon, 23 Dec 2013 08:25:31 -0800
From: Christoph Hellwig <hch@infradead.org>
To: Ming Lei <tom.leiming@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/4] block: blk-mq: make blk_sync_queue support mq
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On Tue, Dec 24, 2013 at 12:18:57AM +0800, Ming Lei wrote:
> 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.

Again, this is a LLD call, should have a separate blk_mq_sync_queue.