linux-kernel - Re: [ckrm-tech] [PATCH 7/7] containers (V7): Container interface to nsproxy subsystem

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Message-ID: <20070405064619.GE28414@in.ibm.com>
Date:	Thu, 5 Apr 2007 12:16:19 +0530
From:	Srivatsa Vaddagiri <vatsa@...ibm.com>
To:	"Paul Menage" <menage@...gle.com>
Cc:	sekharan@...ibm.com, ckrm-tech@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org, xemul@...ru,
	containers@...ts.osdl.org, pj@....com,
	"Eric W. Biederman" <ebiederm@...ssion.com>, mbligh@...gle.com,
	winget@...gle.com, rohitseth@...gle.com,
	"Serge E. Hallyn" <serue@...ibm.com>, dev@...ru, devel@...nvz.org
Subject: Re: [ckrm-tech] [PATCH 7/7] containers (V7): Container interface to nsproxy subsystem

On Thu, Apr 05, 2007 at 12:09:50PM +0530, Srivatsa Vaddagiri wrote:
> IF (note that /if/ again) the count returned is zero, then my point was
> we can destroy nsproxy behind foo and also B1, not worrying about a
> 'struct file' still pointing to B1. This stems from the fact that you
> cannot have a task's file->f_bc pointing to B1 w/o the task itself
> pointing to B1 also (task->nsproxy->ctlr_data[BC_ID] == B1). I also
> assume f_bc will get migrated with its owner task across beancounters
> (which seems reasonable to me atleast from 'struct file' context).
> 
> If there was indeed a file object still pointing to B1, then that can
> only be true if rcfs_task_count() returns non-zero value. Correct?

arghh .. s/B1/A1 pls

-- 
Regards,
vatsa
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