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Date: Mon, 14 Nov 2011 22:16:17 +0100
From: Frederic Weisbecker <fweisbec@gmail.com>
To: Tejun Heo <tj@kernel.org>
Cc: paul@paulmenage.org, rjw@sisk.pl, lizf@cn.fujitsu.com,
        linux-pm@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
        containers@lists.linux-foundation.org, matthltc@us.ibm.com,
        akpm@linux-foundation.org, oleg@redhat.com,
        kamezawa.hiroyu@Jp.fujitsu.com, Balbir Singh <bsingharora@gmail.com>,
        Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
        James Morris <jmorris@namei.org>
Subject: Re: [PATCH 07/10] cgroup: introduce cgroup_taskset and use it in
 subsys->can_attach(), cancel_attach() and attach()
Message-ID: <20111114211611.GI9446@somewhere>
References: <1320191193-8110-1-git-send-email-tj@kernel.org>
 <1320191193-8110-8-git-send-email-tj@kernel.org>
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On Tue, Nov 01, 2011 at 04:46:30PM -0700, Tejun Heo wrote:
> Currently, there's no way to pass multiple tasks to cgroup_subsys
> methods necessitating the need for separate per-process and per-task
> methods.  This patch introduces cgroup_taskset which can be used to
> pass multiple tasks and their associated cgroups to cgroup_subsys
> methods.
> 
> Three methods - can_attach(), cancel_attach() and attach() - are
> converted to use cgroup_taskset.  This unifies passed parameters so
> that all methods have access to all information.  Conversions in this
> patchset are identical and don't introduce any behavior change.
> 
> -v2: documentation updated as per Paul Menage's suggestion.
> 
> Signed-off-by: Tejun Heo <tj@kernel.org>
> Acked-by: Paul Menage <paul@paulmenage.org>
> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
> Cc: Li Zefan <lizf@cn.fujitsu.com>
> Cc: Balbir Singh <bsingharora@gmail.com>
> Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
> Cc: James Morris <jmorris@namei.org>

Reviewed-by: Frederic Weisbecker <fweisbec@gmail.com>