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

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Message-Id: <1236354509.10626.29.camel@nimitz>
Date:	Fri, 06 Mar 2009 07:48:29 -0800
From:	Dave Hansen <dave@...ux.vnet.ibm.com>
To:	"Serge E. Hallyn" <serue@...ibm.com>
Cc:	Alexey Dobriyan <adobriyan@...il.com>,
	Christoph Hellwig <hch@...radead.org>,
	containers <containers@...ts.linux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC][PATCH 00/11] track files for checkpointability

On Fri, 2009-03-06 at 08:34 -0600, Serge E. Hallyn wrote:
> > > With time the amount of stuff C/R won't support will approach zero,
> > > but the infrastructure for "checkpointable" will stay constant.
> > > If it's too much right now, it will be way too much in future.
> > 
> > What have you seen in OpenVZ?  Do new things that are not checkpointable
> > pop up very often?
> 
> Realistically, do you think the uncheckpointable stuff would catch a
> brand-new unsupported feature?  If it has a file interface then I
> suppose it would.  Well, might.  I wouldn't be surprised if the authors
> would cut and paste enough code to paste the .checkpoint =
> generic_file_checkpoint line :)

Yeah, that's true.  Us maintainers would probably need to keep an eye on
that.

-- Dave

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