linux-kernel - Re: [RFC][PATCH 00/11] track files for checkpointability

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Message-Id: <1236707250.10626.174.camel@nimitz>
Date:	Tue, 10 Mar 2009 10:47:30 -0700
From:	Dave Hansen <dave@...ux.vnet.ibm.com>
To:	"Serge E. Hallyn" <serue@...ibm.com>
Cc:	Nathan Lynch <ntl@...ox.com>,
	containers <containers@...ts.linux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Christoph Hellwig <hch@...radead.org>,
	Ingo Molnar <mingo@...e.hu>,
	Alexey Dobriyan <adobriyan@...il.com>
Subject: Re: [RFC][PATCH 00/11] track files for checkpointability

On Tue, 2009-03-10 at 12:45 -0500, Serge E. Hallyn wrote:
> > Are you saying that the message should identify the child instead of
> > the parent as the uncheckpointable task?
> 
> Yes.  The parent may have opened the fd (or, importantly, may NOT have)
> but the child is the one now getting that 'dirty' fd and being newly
> marked uncheckpointable.

Yeah.  It is kinda the parent's *fault* but this is the spot where we've
chosen to 'taint' the child.  If I were looking back in the logs, I'd be
wondering from where the child's 'taint' flag came from.  This is the
spot I should be looking for.

-- Dave

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