Message-ID: <471DA78F.4090600@linux.vnet.ibm.com>
Date: Tue, 23 Oct 2007 13:19:35 +0530
From: Balbir Singh <balbir@linux.vnet.ibm.com>
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Organization: IBM
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To: Paul Menage <menage@google.com>
CC: vatsa@linux.vnet.ibm.com, containers@lists.linux-foundation.org,
       Andrew Morton <akpm@linux-foundation.org>, Ingo Molnar <mingo@elte.hu>,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] CFS CGroup: Report usage
References: <471D4523.4040509@google.com> <20071023024036.GC3324@linux.vnet.ibm.com> <6599ad830710222306m6a3e3f52k4daf501836c05274@mail.gmail.com> <6599ad830710230021n536908c0xd95250f36aa8a27d@mail.gmail.com>
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Paul Menage wrote:
> On 10/22/07, Paul Menage <menage@google.com> wrote:
>> Using cgroup_mutex is certainly possible for now, although more
>> heavy-weight than I'd like long term. Using css_get isn't the right
>> approach, I think - we shouldn't be able to cause an rmdir to fail due
>> to a concurrent read.
>>

Well, most people who care about deletion will use the notify_on_release
callback and retry. I think we have a good mechanism in place for
deletion, so I would not worry about read delaying deletion.


-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL

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