linux-kernel - Re: [PATCHSET] mempool, percpu, blkcg: fix percpu stat allocation and remove stats

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Message-ID: <20120227091141.GG3401@dhcp-172-17-108-109.mtv.corp.google.com>
Date:	Mon, 27 Feb 2012 18:11:41 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	axboe@...nel.dk, hughd@...gle.com, avi@...hat.com, nate@...nel.net,
	cl@...ux-foundation.org, linux-kernel@...r.kernel.org,
	dpshah@...gle.com, ctalbott@...gle.com, rni@...gle.com,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCHSET] mempool, percpu, blkcg: fix percpu stat allocation
 and remove stats_lock

On Sun, Feb 26, 2012 at 10:11:46PM -0500, Vivek Goyal wrote:
> Ok. This sounds better than embeding work_struct in blkg, I can embed it
> in request_queue and make the worker walk the list of blkg pending 
> alloc of stats. Will try that. Thanks for the idea.

We might not need to make it even per-queue.  Simple global list of
pending blkgs and single work item should work fine, I think.

Thanks.

-- 
tejun
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