linux-kernel - Re: [PATCH] cfq: Remove useless css reference get

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Message-ID: <20100226075639.GG1025@kernel.dk>
Date:	Fri, 26 Feb 2010 08:56:39 +0100
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Gui Jianfeng <guijianfeng@...fujitsu.com>
Cc:	Vivek Goyal <vgoyal@...hat.com>,
	Corrado Zoccolo <czoccolo@...il.com>,
	linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Li Zefan <lizf@...fujitsu.com>
Subject: Re: [PATCH] cfq: Remove useless css reference get

On Fri, Feb 26 2010, Gui Jianfeng wrote:
> Vivek Goyal wrote:
> > On Wed, Dec 16, 2009 at 04:38:43PM +0800, Gui Jianfeng wrote:
> >> There's no need to take css reference here, for the caller
> >> has already called rcu_read_lock() to prevent cgroup from 
> >> being removed.
> >>
> >> Signed-off-by: Gui Jianfeng <guijianfeng@...fujitsu.com>
> >> Reviewed-by: Li Zefan <lizf@...fujitsu.com>
> > 
> > Acked-by: Vivek Goyal <vgoyal@...hat.com>
> 
> Hi Jens
> 
> Would you pick this patch up?

Yep, it's added.

-- 
Jens Axboe

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