linux-kernel - Re: xfs bug in 2.6.26-rc9

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Date:	Wed, 16 Jul 2008 14:12:40 +1000
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Dave Chinner <david@...morbit.com>,
	Lachlan McIlroy <lachlan@....com>,
	Mikael Abrahamsson <swmike@....pp.se>,
	linux-kernel@...r.kernel.org, xfs@....sgi.com, linux-mm@...ck.org
Subject: Re: xfs bug in 2.6.26-rc9

On Tuesday 15 July 2008 22:22, Christoph Hellwig wrote:
> > It would be easily possible to do, yes.
>
> What happened to your plans to merge ->nopfn into ->fault?  Beeing
> able to restart page based faults would be a logical fallout from that.

Yeah I guess I should really do that, and you're right it would
work nicely for this.

Actually I have some code but it is not quite as nice as I'd like.
The problem is that we have the generic file fault handler, but not
a generic page mkwrite handler. So we still need some kind of
page_mkwrite aop which the file fault handler can then call if it
exists. It isn't a big problem AFAIKS, but just a bit irritating.
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