linux-kernel - Re: [PATCH 06/12] blkcg: use q and plid instead of opaque void * for blkio

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Date:	Thu, 19 Jan 2012 08:42:59 -0800
From:	Tejun Heo <tj@...nel.org>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	axboe@...nel.dk, ctalbott@...gle.com, rni@...gle.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 06/12] blkcg: use q and plid instead of opaque void *
 for blkio_group association

On Thu, Jan 19, 2012 at 08:25:44AM -0800, Tejun Heo wrote:
> Hmmm... we can add code to shoot down blkg's along with ioc's while
> preparing for elevator switch or just note the problem in the commit
> message and explain the problem is transitional.  I'll see how complex
> shooting down blkg's would be.

I think we need blkg shootdown on elv switch whether blkg is unified
or not.  I'll update the patch.  Thanks for pointing it out.

-- 
tejun
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