From: Vivek Goyal <vgoyal@redhat.com>
To: Tejun Heo <tj@kernel.org>
Cc: lizefan@huawei.com, containers@lists.linux-foundation.org,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
Jens Axboe <axboe@kernel.dk>
Subject: Re: [PATCH 09/23] cgroup: add subsys backlink pointer to cftype
Date: Mon, 5 Aug 2013 08:49:51 -0400 [thread overview]
Message-ID: <20130805124951.GB2274@redhat.com> (raw)
In-Reply-To: <1375393801-4817-10-git-send-email-tj@kernel.org>
On Thu, Aug 01, 2013 at 05:49:47PM -0400, Tejun Heo wrote:
> cgroup is transitioning to using css (cgroup_subsys_state) instead of
> cgroup as the primary subsystem handle. The cgroupfs file interface
> will be converted to use css's which requires finding out the
> subsystem from cftype so that the matching css can be determined from
> the cgroup.
>
> This patch adds cftype->ss which points to the subsystem the file
> belongs to. The field is initialized while a cftype is being
> registered. This makes it unnecessary to explicitly specify the
> subsystem for other cftype handling functions. @ss argument dropped
> from various cftype handling functions.
>
> This patch shouldn't introduce any behavior differences.
>
> Signed-off-by: Tejun Heo <tj@kernel.org>
> Cc: Vivek Goyal <vgoyal@redhat.com>
> Cc: Jens Axboe <axboe@kernel.dk>
> ---
> block/blk-cgroup.c | 2 +-
blk-cgroup bits are simple here. Ack for these.
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Vivek
next prev parent reply other threads:[~2013-08-05 12:49 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-01 21:49 [PATCHSET cgroup/for-3.12] cgroup: use cgroup_subsys_state as the primary subsystem interface handle Tejun Heo
2013-08-01 21:49 ` [PATCH 01/23] cgroup: s/cgroup_subsys_state/cgroup_css/ s/task_subsys_state/task_css/ Tejun Heo
2013-08-01 21:49 ` [PATCH 02/23] cpuset: drop "const" qualifiers from struct cpuset instances Tejun Heo
2013-08-01 21:49 ` [PATCH 03/23] netprio_cgroup: pass around @css instead of @cgroup and kill struct cgroup_netprio_state Tejun Heo
2013-08-01 22:07 ` David Miller
2013-08-02 11:42 ` Neil Horman
2013-08-01 21:49 ` [PATCH 04/23] hugetlb_cgroup: pass around @hugetlb_cgroup instead of @cgroup Tejun Heo
2013-08-02 4:35 ` Aneesh Kumar K.V
2013-08-02 13:10 ` Michal Hocko
2013-08-01 21:49 ` [PATCH 05/23] cgroup: add subsystem pointer to cgroup_subsys_state Tejun Heo
2013-08-01 21:49 ` [PATCH 06/23] cgroup: add/update accessors which obtain subsys specific data from css Tejun Heo
2013-08-01 21:49 ` [PATCH 07/23] cgroup: add css_parent() Tejun Heo
2013-08-01 21:49 ` [PATCH 08/23] cgroup: pass around cgroup_subsys_state instead of cgroup in subsystem methods Tejun Heo
2013-08-02 3:54 ` Li Zefan
2013-08-02 19:36 ` Tejun Heo
2013-08-02 4:02 ` Li Zefan
2013-08-02 19:41 ` Tejun Heo
2013-08-02 13:19 ` Michal Hocko
2013-08-02 13:43 ` Michal Hocko
2013-08-02 19:52 ` Tejun Heo
2013-08-02 19:38 ` Tejun Heo
2013-08-02 20:24 ` [PATCH v2 " Tejun Heo
2013-08-06 7:19 ` Daniel Wagner
2013-08-05 12:44 ` [PATCH " Vivek Goyal
2013-08-05 17:57 ` Aristeu Rozanski
2013-08-01 21:49 ` [PATCH 09/23] cgroup: add subsys backlink pointer to cftype Tejun Heo
2013-08-05 12:49 ` Vivek Goyal [this message]
2013-08-01 21:49 ` [PATCH 10/23] cgroup: pin cgroup_subsys_state when opening a cgroupfs file Tejun Heo
2013-08-01 21:49 ` [PATCH 11/23] cgroup: add cgroup->dummy_css Tejun Heo
2013-08-01 21:49 ` [PATCH 12/23] cgroup: pass around cgroup_subsys_state instead of cgroup in file methods Tejun Heo
2013-08-02 13:27 ` Michal Hocko
2013-08-05 14:19 ` Vivek Goyal
2013-08-05 18:04 ` Aristeu Rozanski
2013-08-06 6:48 ` Daniel Wagner
2013-08-01 21:49 ` [PATCH 13/23] cgroup: convert cgroup_next_sibling() to cgroup_next_child() Tejun Heo
2013-08-01 21:49 ` [PATCH 14/23] cgroup: always use cgroup_next_child() to walk the children list Tejun Heo
2013-08-01 21:49 ` [PATCH 15/23] cgroup: make hierarchy iterators deal with cgroup_subsys_state instead of cgroup Tejun Heo
2013-08-02 13:32 ` Michal Hocko
2013-08-05 14:25 ` Vivek Goyal
2013-08-05 18:10 ` Aristeu Rozanski
2013-08-01 21:49 ` [PATCH 16/23] cgroup: relocate cgroup_advance_iter() Tejun Heo
2013-08-02 3:25 ` Li Zefan
2013-08-02 19:35 ` Tejun Heo
2013-08-01 21:49 ` [PATCH 17/23] cgroup: rename cgroup_iter to cgroup_task_iter Tejun Heo
2013-08-02 13:35 ` Michal Hocko
2013-08-01 21:49 ` [PATCH 18/23] cgroup: make cgroup_task_iter remember the cgroup being iterated Tejun Heo
2013-08-02 13:38 ` Michal Hocko
2013-08-01 21:49 ` [PATCH 19/23] cgroup: remove struct cgroup_scanner Tejun Heo
2013-08-01 21:49 ` [PATCH 20/23] cgroup: make task iterators deal with cgroup_subsys_state instead of cgroup Tejun Heo
2013-08-02 13:40 ` Michal Hocko
2013-08-01 21:49 ` [PATCH 21/23] cgroup: make cftype->[un]register_event() " Tejun Heo
2013-08-02 4:08 ` Li Zefan
2013-08-02 19:44 ` Tejun Heo
2013-08-02 13:42 ` Michal Hocko
2013-08-02 20:24 ` [PATCH v2 " Tejun Heo
2013-08-01 21:50 ` [PATCH 22/23] cgroup: make cgroup_taskset " Tejun Heo
2013-08-06 6:53 ` Daniel Wagner
2013-08-01 21:50 ` [PATCH 23/23] cgroup: unexport cgroup_css() Tejun Heo
2013-08-02 3:24 ` [PATCHSET cgroup/for-3.12] cgroup: use cgroup_subsys_state as the primary subsystem interface handle Li Zefan
2013-08-09 0:12 ` Tejun Heo
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