netdev - [PATCH 2/2] cgroup: cls: remove unnecessary task_cls

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Message-Id: <1381201520-25938-2-git-send-email-gaofeng@cn.fujitsu.com>
Date:	Tue, 8 Oct 2013 11:05:20 +0800
From:	Gao feng <gaofeng@...fujitsu.com>
To:	netdev@...r.kernel.org, cgroups@...r.kernel.org
Cc:	jhs@...atatu.com, davem@...emloft.net, tj@...nel.org,
	nhorman@...driver.com, lizefan@...wei.com,
	daniel.wagner@...-carit.de, Gao feng <gaofeng@...fujitsu.com>
Subject: [PATCH 2/2] cgroup: cls: remove unnecessary task_cls_classid

We can get classid through cgroup_subsys_state,
this is directviewing and effective.

Signed-off-by: Gao feng <gaofeng@...fujitsu.com>
---
 net/sched/cls_cgroup.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 867b4a3..16006c9 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -72,11 +72,11 @@ static void cgrp_attach(struct cgroup_subsys_state *css,
 			struct cgroup_taskset *tset)
 {
 	struct task_struct *p;
-	void *v;
+	struct cgroup_cls_state *cs = css_cls_state(css);
+	void *v = (void *)(unsigned long)cs->classid;
 
 	cgroup_taskset_for_each(p, css, tset) {
 		task_lock(p);
-		v = (void *)(unsigned long)task_cls_classid(p);
 		iterate_fd(p->files, 0, update_classid, v);
 		task_unlock(p);
 	}
-- 
1.8.3.1

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