From: Tejun Heo <tj@kernel.org>
Date: Wed, 14 Aug 2013 00:22:50 +0000 (-0400)
Subject: cgroup: bounce cgroup_subsys_state ref kill confirmation to a work item
X-Git-Tag: v3.12-rc1~173^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=223dbc38d2a8745a93749dc75ed909e274ce075d;p=pandora-kernel.git

cgroup: bounce cgroup_subsys_state ref kill confirmation to a work item

css (cgroup_subsys_state) offlining, which requires process context,
will be moved to ref kill confirmation.  In preparation, bounce
css_killed handling through css->destroy_work.

css_ref_killed_fn() is renamed to css_killed_ref_fn() so that it's
consistent with the new css_killed_work_fn().

This patch adds an additional work item bouncing but doesn't change
the actual logic.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
---

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