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

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Date:	Fri, 10 Dec 2010 18:24:56 -0600
From:	Eric Sandeen <sandeen@...hat.com>
To:	Andreas Dilger <adilger.kernel@...ger.ca>
CC:	"Ted Ts'o" <tytso@....edu>, Ric Wheeler <rwheeler@...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 12/10/10 5:40 PM, Andreas Dilger wrote:
> On 2010-12-10, at 10:55, Ted Ts'o wrote:
>> 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.   :-)
> 
> That doesn't get rid of the maintenance efforts, however.  There are a
> constant stream of "patch for ext[234] needs to be ported to ext[342]".

Agreed....

our 3-way fork is getting cumbersome.
 
> Cheers, Andreas

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