[PATCH 3/6] cgroup: introduce cgroup_taskset and use it in subsys->can_attach(), cancel_attach() and attach()

KAMEZAWA Hiroyuki kamezawa.hiroyu at jp.fujitsu.com
Thu Aug 25 21:16:14 PDT 2011

On Fri, 26 Aug 2011 00:43:09 +0200
Tejun Heo <tj at kernel.org> 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 at kernel.org>
> Acked-by: Paul Menage <paul at paulmenage.org>
> Cc: Li Zefan <lizf at cn.fujitsu.com>
> Cc: Balbir Singh <bsingharora at gmail.com>
> Cc: Daisuke Nishimura <nishimura at mxp.nes.nec.co.jp>
> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu at jp.fujitsu.com>
> Cc: James Morris <jmorris at namei.org>

Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu at jp.fujitsu.com>

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