linux-ext4 - Re: [PATCH 1/2] ext2: speed up file creates by optimizing rec

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Message-ID: <20101210175549.GC3059@thunk.org>
Date:	Fri, 10 Dec 2010 12:55:49 -0500
From:	Ted Ts'o <tytso@....edu>
To:	Ric Wheeler <rwheeler@...hat.com>
Cc:	Andreas Dilger <adilger.kernel@...ger.ca>,
	Eric Sandeen <sandeen@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	ext4 development <linux-ext4@...r.kernel.org>,
	Jan Kara <jack@...e.cz>
Subject: Re: [PATCH 1/2] ext2: speed up file creates by optimizing rec_len
 functions

On Wed, Dec 08, 2010 at 08:06:25PM -0500, Ric Wheeler wrote:

> If we could get rid of ext2 (and eventually ext3), it would actually
> help reduce the testing matrix and possibly let us invest even more
> in testing ext4.  Having to maintain three very similar code bases
> and test them all for correctness and performance is a real pain :)
> 

A distribution can do that at any time, just by unconfiguring
CONFIG_EXT2 and/or CONFIG_EXT3 and configuring
CONFIG_EXT4_USE_FOR_EXT23.   :-)

						- Ted
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