From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj@kernel.org>
Subject: Re: [patch v3 1/5] raid5: make release_stripe lockless
Date: Wed, 28 Aug 2013 10:30:44 -0400
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To: Shaohua Li <shli@kernel.org>
Cc: linux-raid@vger.kernel.org, neilb@suse.de, dan.j.williams@gmail.com
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Hello,

On Wed, Aug 28, 2013 at 10:29:08PM +0800, Shaohua Li wrote:
> This order issue is fixed in the second patch.

Oh, great.

> It's true making raid5 multi-threading might change order, I mentioned this in
> the third patch (the direct impact is request size)

Yeah, so, if at all possible, it's a good idea to preserve the
relative order, timing and plug boundaries of IOs.  Those tell the
elevator a lot about the IOs.

Thanks.

-- 
tejun