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From: Tejun Heo <tj@kernel.org>
To: Aleksa Sarai <cyphar@cyphar.com>
Cc: lizefan@huawei.com, mingo@redhat.com, peterz@infradead.org,
	richard@nod.at, fweisbec@gmail.com, linux-kernel@vger.kernel.org,
	cgroups@vger.kernel.org
Subject: Re: [PATCH v13 3/5] cgroup, block: implement task_get_css()
Date: Mon, 8 Jun 2015 18:22:02 +0900	[thread overview]
Message-ID: <20150608092202.GI21465@mtj.duckdns.org> (raw)
In-Reply-To: <1433548938-32560-3-git-send-email-cyphar@cyphar.com>

On Sat, Jun 06, 2015 at 10:02:16AM +1000, Aleksa Sarai wrote:
> From: Tejun Heo <tj@kernel.org>
> 
> Implement task_get_css() which find and pins the css for the specified
> task and subsys.  As a task is always associated with an online css
> for every subsystem except while the css_set update is propagating,
> task_get_css() retries till css_tryget_online() succeeds.
> 
> Signed-off-by: Tejun Heo <tj@kernel.org>
> Cc: Li Zefan <lizefan@huawei.com>

Another form of this patch was already in block/for-4.2/writeback.  I
cherry picked that commit into cgroup/for-4.2 to avoid pulling the
whole thing into cgroup tree.

Thanks.

-- 
tejun

  reply	other threads:[~2015-06-08  9:22 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-05 23:42 [PATCH v13 0/5] cgroup: add PIDs subsystem Aleksa Sarai
2015-06-06  0:02 ` [PATCH v13 1/5] cgroup: use bitmask to filter for_each_subsys Aleksa Sarai
2015-06-06  0:02 ` [PATCH v13 2/5] cgroup: replace explicit ss_mask checking with for_each_subsys_which Aleksa Sarai
2015-06-08  9:21   ` Tejun Heo
2015-06-06  0:02 ` [PATCH v13 3/5] cgroup, block: implement task_get_css() Aleksa Sarai
2015-06-08  9:22   ` Tejun Heo [this message]
2015-06-06  0:02 ` [PATCH v13 4/5] cgroup: allow a cgroup subsystem to reject a fork Aleksa Sarai
2015-06-09  4:41   ` Tejun Heo
2015-06-09  7:20     ` Aleksa Sarai
2015-06-09  7:23       ` Tejun Heo
2015-06-06  0:02 ` [PATCH v13 5/5] cgroup: implement the PIDs subsystem Aleksa Sarai
2015-06-09  4:56   ` Tejun Heo

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