linux-ext4 - Re: New ext4 patchset 2.6.26-rc8-ext4-1

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Message-ID: <20080706095823.GA21109@infradead.org>
Date:	Sun, 6 Jul 2008 05:58:23 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Theodore Tso <tytso@....edu>,
	Christoph Hellwig <hch@...radead.org>,
	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: New ext4 patchset 2.6.26-rc8-ext4-1

On Sat, Jul 05, 2008 at 10:41:15PM -0400, Theodore Tso wrote:
> On Sat, Jul 05, 2008 at 01:50:47PM -0400, Christoph Hellwig wrote:
> > Strong NACK.  For one thing the code added to mpage.c doesn't belong
> > there.  It's far inferior to the existing delalloc code we already have
> > and that could be made generic easily, or the next generation code
> > developed by Chris mason.  It's an ext4-specific hack and doesn't belong
> > into common code.  I'm pretty sure we agreed on not having it in
> > common code long ago.
> 
> Looking back at the mailing list history, yes, we did.  I think the
> reason why we didn't was Andrew had expressed a vague wish that the
> ext4 and xfs developers would get together and try to hash out a
> common layer that all filesystems could work with.  But given that
> nothing has happened in the many months since that discussion, you're
> absolutely right.
> 
> I've reworked the vfs generic patch in the patch series to be much
> smaller --- mainly what's left is simply exporting some mpage
> interfaces that would be needed by ext4.  I trust this is much more to
> your liking?

Yes, this is much better.  But please also add kerneldoc comments for
the newly exported functions.

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