linux-kernel - Re: [PATCH 2/4] block: blk-mq: make blk_sync

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Date:	Tue, 24 Dec 2013 11:35:29 +0800
From:	Ming Lei <tom.leiming@...il.com>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Jens Axboe <axboe@...nel.dk>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/4] block: blk-mq: make blk_sync_queue support mq

Hello Christoph,


On Tue, Dec 24, 2013 at 12:25 AM, Christoph Hellwig <hch@...radead.org> wrote:
> 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.
>

As I replied in previous mail, we have other LLD APIs which should be
called for MQ too, also making current APIs adapt to MQ can simplify
drivers.


Thanks,
-- 
Ming Lei
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