From: Zefan Li <lizefan@huawei.com>
To: Tejun Heo <tj@kernel.org>
Cc: <cgroups@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/3 cgroup/for-3.19] cgroup: implement cgroup_get_e_css()
Date: Tue, 18 Nov 2014 14:35:21 +0800 [thread overview]
Message-ID: <546AE8A9.1090600@huawei.com> (raw)
In-Reply-To: <20141117205855.GC23126@htj.dyndns.org>
On 2014/11/18 4:58, Tejun Heo wrote:
> Implement cgroup_get_e_css() which finds and gets the effective css
> for the specified cgroup and subsystem combination. This function
> always returns a valid pinned css. This will be used by cgroup
> writeback support.
>
> While at it, add comment to cgroup_e_css() to explain why that
> function is different from cgroup_get_e_css() and has to test
> cgrp->child_subsys_mask instead of cgroup_css(cgrp, ss).
>
> Signed-off-by: Tejun Heo <tj@kernel.org>
For all 3 patches:
Acked-by: Zefan Li <lizefan@huawei.com>
next prev parent reply other threads:[~2014-11-18 6:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-17 20:56 [PATCH 1/3 cgroup/for-3.19] cgroup: add cgroup_subsys->css_released() Tejun Heo
2014-11-17 20:57 ` [PATCH 2/3 cgroup/for-3.19] cgroup: add cgroup_subsys->css_e_css_changed() Tejun Heo
2014-11-17 20:58 ` [PATCH 3/3 cgroup/for-3.19] cgroup: implement cgroup_get_e_css() Tejun Heo
2014-11-18 6:35 ` Zefan Li [this message]
2014-11-18 7:50 ` Tejun Heo
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