linux-kernel - Re: [PATCH 1 of 2] block_page

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Date:	Mon, 19 Mar 2007 09:22:22 +0000
From:	Christoph Hellwig <hch@...radead.org>
To:	David Chinner <dgc@....com>
Cc:	lkml <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	nickpiggin@...oo.com.au
Subject: Re: [PATCH 1 of 2] block_page_mkwrite() Implementation V2

On Mon, Mar 19, 2007 at 10:30:08AM +1100, David Chinner wrote:
> 
> Generic page_mkwrite functionality.
> 
> Filesystems that make use of the VM ->page_mkwrite() callout will generally use
> the same core code to implement it. There are several tricky truncate-related
> issues that we need to deal with here as we cannot take the i_mutex as we
> normally would for these paths.  These issues are not documented anywhere yet
> so block_page_mkwrite() seems like the best place to start.

This will need some updates when ->fault replaces ->page_mkwrite.

Nich, what's the plan for merging ->fault?

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