linux-kernel - Re: [PATCH] cgroup: change cgroup_from_id() to css_from

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Message-ID: <20130816170659.GM2505@htj.dyndns.org>
Date:	Fri, 16 Aug 2013 13:06:59 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Li Zefan <lizefan@...wei.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Cgroups <cgroups@...r.kernel.org>
Subject: Re: [PATCH] cgroup: change cgroup_from_id() to css_from_id()

Hello, Li.

On Fri, Aug 16, 2013 at 03:05:16PM +0800, Li Zefan wrote:
> +/**
> + * css_from_id - lookup css by id
> + * @ss: cgroup subsys to be looked into
> + * @id: the cgroup id
> + *
> + * Returns the css if there's valid one with @id, otherwise returns NULL.
> + * Should be called under rcu_read_lock().
> + */
> +struct cgroup_subsys_state *css_from_id(struct cgroup_subsys *ss, int id)

Can we please do css_from_id(int id, struct cgroup_subsys *ss)
instead?

Thanks.

-- 
tejun
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