From aec25020f5d4b69aea5317551d1cb7043f6b04fb Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Sat, 8 Feb 2014 10:36:58 -0500
Subject: [PATCH] cgroup: rename cgroup_subsys->subsys_id to ->id

It's no longer referenced outside cgroup core, so renaming is easy.
Let's rename it for consistency & brevity.

This patch is pure rename.

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