From: Tejun Heo <tj@kernel.org>
Date: Fri, 6 Dec 2013 20:11:56 +0000 (-0500)
Subject: cgroup: implement for_each_css()
X-Git-Tag: v3.14-rc1~136^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1c6727af4b495a9ec74c46d1fc08e508e675899d;p=pandora-kernel.git

cgroup: implement for_each_css()

There are enough places where css's of a cgroup are iterated, which
currently uses for_each_root_subsys() + explicit cgroup_css().  This
patch implements for_each_css() and replaces the above combination
with it.

This patch doesn't introduce any behavior changes.

v2: Updated to apply cleanly on top of v2 of "cgroup: fix css leaks on
    online_css() failure"

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

Reading git-diff-tree failed