linux-kernel - Re: [PATCH v2 0/3] cgroup: add xattr support

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Message-ID: <4F5875F6.9010804@cn.fujitsu.com>
Date:	Thu, 08 Mar 2012 17:03:50 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Tejun Heo <tj@...nel.org>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Lennart Poettering <mzxreary@...inter.de>,
	Kay Sievers <kay.sievers@...y.org>,
	Hugh Dickins <hughd@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Cgroups <cgroups@...r.kernel.org>, Eric Paris <eparis@...hat.com>
Subject: Re: [PATCH v2 0/3] cgroup: add xattr support

Tejun Heo wrote:
> Hello, Li.
> 
> Sorry about the delay.  Was on vacation.
> 

Me too. ;)

> On Thu, Mar 01, 2012 at 02:16:57PM +0800, Li Zefan wrote:
>> This can be used to attach metadata to a cgroup, which is required
>> by systemd.
>>
>> As lazy as I am, here just quoted from Lennart for the detailed use
>> cases:
> 
> I much prefer this version but would prefer to deal with this in the
> next merge window as we're already on rc6.  On a cursory look...
> 

I'm fine with this, especially I'm busy with other stuff.

> * I'm not sure kmem_ is a good prefix.  It sucks that xattr values are
>   stored in kmem w/o size limit and we probably want to improve on
>   both fronts in the future.  Wouldn't it be better to name them
>   simple_*() and put them in fs/libfs.c?
> 

Ok.

> * I don't think we want CONFIG option for cgroupfs xattr.  Let's just
>   add a mount option.

Ok.

> 
> Thanks.
> 
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