linux-kernel - Re: [PATCH 00/31] Swap over NFS -v20

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Message-ID: <4AC5B826.80105@suse.de>
Date:	Fri, 02 Oct 2009 13:51:58 +0530
From:	Suresh Jayaraman <sjayaraman@...e.de>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	netdev@...r.kernel.org, Neil Brown <neilb@...e.de>,
	Miklos Szeredi <mszeredi@...e.cz>, Wouter Verhelst <w@...r.be>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	trond.myklebust@....uio.no
Subject: Re: [PATCH 00/31] Swap over NFS -v20

Christoph Hellwig wrote:
> On Thu, Oct 01, 2009 at 07:34:18PM +0530, Suresh Jayaraman wrote:
> 
> The other really big one is adding a proper method for safe, page-backed
> kernelspace I/O on files.  That is not something like the grotty
> swap-tied address_space operations in this patch, but more something in

I'm not sure I understood about what problems you see with the proposed
address_space operations. Could you please elaborate a bit more?

> the direction of the kernel direct I/O patches from Jenx Axboe he did
> for using in the loop driver.  But even those aren't complete as they
> don't touch the locking issue yet.
> 

Thanks,

-- 
Suresh Jayaraman
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