linux-kernel - Re: [PATCHSET block/for-4.2/writeback] block, cgroup: make cfq charge async IOs to the appropriate blkcgs

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Message-ID: <20150609030327.GL21465@mtj.duckdns.org>
Date:	Tue, 9 Jun 2015 12:03:27 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Jeff Moyer <jmoyer@...hat.com>
Cc:	axboe@...nel.dk, linux-kernel@...r.kernel.org,
	cgroups@...r.kernel.org, vgoyal@...hat.com,
	avanzini.arianna@...il.com
Subject: Re: [PATCHSET block/for-4.2/writeback] block, cgroup: make cfq
 charge async IOs to the appropriate blkcgs

Hey, Jeff.

On Mon, Jun 08, 2015 at 03:49:56PM -0400, Jeff Moyer wrote:
> Assuming you're ok with dropping patch 5, I'll review patches 6-8 once

I'll update it to use GPF_NOWAIT.  Can't drop it easily as that would
complicate group lookup more complicated w/ pinning and all.

> they've been reworked to account for that.  I took a look at them, and
> they look OK to me.  But, if they are going to change, I'd rather wait
> to ack the final versions.

Hmm... the changes will be simple s/GFP_ATOMIC/GFP_NOWAIT.  Shouldn't
affect reviewing, I think.

Thanks.

-- 
tejun
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