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From: Li Zefan <lizf@cn.fujitsu.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Paul Menage <menage@google.com>,
	LKML <linux-kernel@vger.kernel.org>,
	"containers@lists.osdl.org" <containers@lists.osdl.org>,
	Balbir Singh <balbir@linux.vnet.ibm.com>,
	Paul Jackson <pj@sgi.com>
Subject: Re: [PATCH] cgroup: support checking of subsystem dependencies
Date: Thu, 19 Jun 2008 08:40:24 +0800	[thread overview]
Message-ID: <4859AAF8.9060909@cn.fujitsu.com> (raw)
In-Reply-To: <20080619091714.320fdaa6.kamezawa.hiroyu@jp.fujitsu.com>

KAMEZAWA Hiroyuki wrote:
> On Wed, 18 Jun 2008 16:01:49 +0800
> Li Zefan <lizf@cn.fujitsu.com> wrote:
> 
>> This allows one subsystem to require that it only be mounted when some
>> other subsystems are also present in the proposed hierarchy.
>>
>> For example if subsystem foo depends on bar, the following will fail:
>>  # mount -t cgroup -ofoo xxx /dev/cgroup
>>
>> You should mount with both subsystems:
>>  # mount -t cgroup -ofoo,bar xxx /dev/cgroup
>>
> I'm just curious. May I ask "Is there such cgroup subsystem now ?"
> 

Currently no, but people who are developing or wants to develop new subsystems
may find this useful, for example Daisuke Nishimura-san's swap controller.

  reply	other threads:[~2008-06-19  0:40 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-18  8:01 [PATCH] cgroup: support checking of subsystem dependencies Li Zefan
2008-06-18 21:13 ` Paul Menage
2008-06-19  0:43   ` Li Zefan
     [not found]   ` <6599ad830806181413y5d0ef1bfyfc54c17ee904d744-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-06-19  1:51     ` [PATCH] cgroup: support checking of subsystem dependencies (v2) Li Zefan
2008-06-19  1:51       ` Li Zefan
2008-06-20  4:51       ` Paul Menage
     [not found]       ` <4859BBA8.6070808-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2008-07-01  7:51         ` Andrew Morton
2008-07-01  7:51           ` Andrew Morton
2008-07-01  8:43           ` Li Zefan
2008-07-01  8:54             ` Andrew Morton
2008-06-19  0:17 ` [PATCH] cgroup: support checking of subsystem dependencies KAMEZAWA Hiroyuki
2008-06-19  0:40   ` Li Zefan [this message]
2008-06-19  2:30     ` Daisuke Nishimura

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