Re: [RFC][patch 3/11][CFQ-cgroup] Introduce cgroup subsystem | KernelTrap

Re: [RFC][patch 3/11][CFQ-cgroup] Introduce cgroup subsystem

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From: Paul Menage <menage@...>

To: Satoshi UCHIDA <s-uchida@...>

Cc: <linux-kernel@...>, <containers@...>, <axboe@...>, <tom-sugawara@...>, <m-takahashi@...>

Subject: Re: [RFC][patch 3/11][CFQ-cgroup] Introduce cgroup subsystem

Date: Thursday, April 3, 2008 - 11:31 am

On Wed, Apr 2, 2008 at 7:31 PM, Satoshi UCHIDA <s-uchida@ap.jp.nec.com> wrote:
quoted text>  >
>  > What are these checks for? Cgroups already provides filesystem
>  > permissions to control directory creation, and the "descendant" check
>  > looks like it may have been cut/pasted from the nsproxy subsystem.
>  >
>
>  This code was referred one of io-throttle.
>  Is it not necessary these checks?
>  IF not necessary, remove this code.
>

Yes, I think these checks should be removed. Especially the descendant check.

Paul
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Messages in current thread:

[RFC][patch 0/11][CFQ-cgroup]Yet another I/O bandwidth contr..., Satoshi UCHIDA, (Tue Apr 1, 5:22 am)

[RFC][patch 11/11][CFQ-cgroup] entry/remove active cfq_data, Satoshi UCHIDA, (Tue Apr 1, 5:42 am)

[RFC][patch 10/11][CFQ-cgroup] Control service tree: Main fu..., Satoshi UCHIDA, (Tue Apr 1, 5:41 am)

[RFC][patch 9/11][CFQ-cgroup] Search cfq_data when not conne..., Satoshi UCHIDA, (Tue Apr 1, 5:40 am)

[RFC][patch 8/11][CFQ-cgroup] Control cfq_data per cgroup, Satoshi UCHIDA, (Tue Apr 1, 5:38 am)

Re: [RFC][patch 8/11][CFQ-cgroup] Control cfq_data per cgroup, Paul Menage, (Thu Apr 3, 11:35 am)

RE: [RFC][patch 8/11][CFQ-cgroup] Control cfq_data per cgroup, Satoshi UCHIDA, (Fri Apr 4, 2:20 am)

Re: [RFC][patch 8/11][CFQ-cgroup] Control cfq_data per cgroup, Paul Menage, (Fri Apr 4, 5:00 am)

RE: [RFC][patch 8/11][CFQ-cgroup] Control cfq_data per cgroup, Satoshi UCHIDA, (Fri Apr 4, 5:46 am)

[RFC][patch 7/11][CFQ-cgroup] Control cfq_data per driver, Satoshi UCHIDA, (Tue Apr 1, 5:37 am)

[RFC][patch 6/11][CFQ-cgroup] Add new control layer over tra..., Satoshi UCHIDA, (Tue Apr 1, 5:36 am)

[RFC][patch 5/11][CFQ-cgroup] Add cfq optional operation fra..., Satoshi UCHIDA, (Tue Apr 1, 5:35 am)

[RFC][patch 4/11][CFQ-cgroup] Create cfq driver unique data, Satoshi UCHIDA, (Tue Apr 1, 5:33 am)

[RFC][patch 3/11][CFQ-cgroup] Introduce cgroup subsystem, Satoshi UCHIDA, (Tue Apr 1, 5:32 am)

Re: [RFC][patch 3/11][CFQ-cgroup] Introduce cgroup subsystem, Paul Menage, (Wed Apr 2, 6:41 pm)

[RFC][v2][patch 0/12][CFQ-cgroup]Yet another I/O bandwidth c..., Satoshi UCHIDA, (Thu Apr 3, 3:09 am)

Re: [RFC][v2][patch 0/12][CFQ-cgroup]Yet another I/O bandwid..., Ryo Tsuruta, (Fri Apr 25, 5:54 am)

RE: [RFC][v2][patch 0/12][CFQ-cgroup]Yet another I/O bandwid..., Satoshi UCHIDA, (Fri May 9, 6:17 am)

Re: [RFC][v2][patch 0/12][CFQ-cgroup]Yet another I/O bandwid..., Ryo Tsuruta, (Sun May 11, 11:10 pm)

Re: [RFC][v2][patch 0/12][CFQ-cgroup]Yet another I/O bandwid..., Ryo Tsuruta, (Mon May 12, 11:33 am)

Re: [RFC][v2][patch 0/12][CFQ-cgroup]Yet another I/O bandwid..., Ryo Tsuruta, (Thu May 22, 9:04 am)

RE: [RFC][v2][patch 0/12][CFQ-cgroup]Yet another I/O bandwid..., Satoshi UCHIDA, (Thu May 22, 10:53 pm)

Re: [RFC][v2][patch 0/12][CFQ-cgroup]Yet another I/O bandwid..., Ryo Tsuruta, (Sun May 25, 10:46 pm)

RE: [RFC][v2][patch 0/12][CFQ-cgroup]Yet another I/O bandwid..., Satoshi UCHIDA, (Tue May 27, 7:32 am)

Re: [RFC][v2][patch 0/12][CFQ-cgroup]Yet another I/O bandwid..., Ryo Tsuruta, (Tue Jun 3, 4:15 am)

RE: [RFC][v2][patch 0/12][CFQ-cgroup]Yet another I/O bandwid..., Satoshi UCHIDA, (Thu Jun 26, 12:49 am)

Re: [RFC][v2][patch 0/12][CFQ-cgroup]Yet another I/O bandwid..., Andrea Righi, (Fri May 30, 6:37 am)

RE: [RFC][v2][patch 0/12][CFQ-cgroup]Yet another I/O bandwid..., Satoshi UCHIDA, (Wed Jun 18, 5:48 am)

Re: [RFC][v2][patch 0/12][CFQ-cgroup]Yet another I/O bandwid..., Andrea Righi, (Sun Jun 22, 1:04 pm)

Re: [RFC][v2][patch 0/12][CFQ-cgroup]Yet another I/O bandwid..., Andrea Righi, (Wed Jun 18, 6:33 pm)

Re: [Devel] Re: [RFC][v2][patch 0/12][CFQ-cgroup]Yet another..., Florian Westphal, (Fri Apr 25, 5:37 pm)

Re: [Devel] Re: [RFC][v2][patch 0/12][CFQ-cgroup]Yet another..., Ryo Tsuruta, (Mon Apr 28, 8:44 pm)

[RFC][patch 12/12][CFQ-cgroup] entry/remove active cfq_data, Satoshi UCHIDA, (Thu Apr 3, 3:18 am)

[RFC][patch 11/12][CFQ-cgroup] Control service tree: Main fu..., Satoshi UCHIDA, (Thu Apr 3, 3:17 am)

[PATCH] [RFC][patch 10/12][CFQ-cgroup] Search cfq_data when ..., Satoshi UCHIDA, (Thu Apr 3, 3:16 am)

[RFC][patch 9/12][CFQ-cgroup] Control cfq_data per cgroup, Satoshi UCHIDA, (Thu Apr 3, 3:16 am)

[RFC][patch 8/12][CFQ-cgroup] Control cfq_data per driver, Satoshi UCHIDA, (Thu Apr 3, 3:15 am)

[RFC][patch 7/12][CFQ-cgroup] Add new control layer over tra..., Satoshi UCHIDA, (Thu Apr 3, 3:15 am)

[RFC][patch 6/12][CFQ-cgroup] Add cfq optional operation fra..., Satoshi UCHIDA, (Thu Apr 3, 3:14 am)

[RFC][patch 5/12][CFQ-cgroup] Create cfq driver unique data, Satoshi UCHIDA, (Thu Apr 3, 3:14 am)

[PATCH] [RFC][patch 4/12][CFQ-cgroup] Add ioprio entry, Satoshi UCHIDA, (Thu Apr 3, 3:13 am)

[RFC][patch 3/12][CFQ-cgroup] Introduce cgroup subsystem, Satoshi UCHIDA, (Thu Apr 3, 3:12 am)

[RFC][patch 2/11][CFQ-cgroup] Move header file, Satoshi UCHIDA, (Thu Apr 3, 3:12 am)

[PATCH] [RFC][patch 1/12][CFQ-cgroup] Add Configuration, Satoshi UCHIDA, (Thu Apr 3, 3:11 am)

RE: [RFC][patch 3/11][CFQ-cgroup] Introduce cgroup subsystem, Satoshi UCHIDA, (Wed Apr 2, 10:31 pm)

Re: [RFC][patch 3/11][CFQ-cgroup] Introduce cgroup subsystem, Paul Menage, (Thu Apr 3, 11:31 am)

Re: [RFC][patch 3/11][CFQ-cgroup] Introduce cgroup subsystem, Li Zefan, (Wed Apr 2, 10:39 pm)

[RFC][patch 2/11][CFQ-cgroup] Move header file, Satoshi UCHIDA, (Tue Apr 1, 5:30 am)

[RFC][patch 1/11][CFQ-cgroup] Add Configuration, Satoshi UCHIDA, (Tue Apr 1, 5:27 am)

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