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Date: Sat, 10 Jun 2006 18:21:33 -0400
From: Jeff Garzik <jeff@garzik.org>
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To: Theodore Tso <tytso@mit.edu>, Linus Torvalds <torvalds@osdl.org>,
       Kyle Moffett <mrmacman_g4@mac.com>, Jeff Garzik <jeff@garzik.org>,
       Chase Venters <chase.venters@clientec.com>,
       Alex Tomas <alex@clusterfs.com>, Andreas Dilger <adilger@clusterfs.com>,
       Andrew Morton <akpm@osdl.org>,
       ext2-devel <ext2-devel@lists.sourceforge.net>,
       linux-kernel@vger.kernel.org, cmm@us.ibm.com,
       linux-fsdevel@vger.kernel.org
Subject: Re: [Ext2-devel] [RFC 0/13] extents and 48bit ext3
References: <Pine.LNX.4.64.0606090933130.5498@g5.osdl.org> <20060609181020.GB5964@schatzie.adilger.int> <Pine.LNX.4.64.0606091114270.5498@g5.osdl.org> <m31wty9o77.fsf@bzzz.home.net> <Pine.LNX.4.64.0606091137340.5498@g5.osdl.org> <Pine.LNX.4.64.0606091347590.5541@turbotaz.ourhouse> <4489C580.7080001@garzik.org> <17D07BC0-4B41-4981-80F5-7AAEC0BB6CC8@mac.com> <Pine.LNX.4.64.0606101238110.5498@g5.osdl.org> <Pine.LNX.4.64.0606101248030.5498@g5.osdl.org> <20060610212624.GD6641@thunk.org>
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Theodore Tso wrote:
> 	So you you would be in OK of a model where we copy fs/ext3 to
> "fs/ext4", and do development there which would merged rapidly into
> mainline so that people who want to participate in testing can use
> ext3dev, while people who want stability can use ext3 --- and at some
> point, we remove the old ext3 entirely and let fs/ext4 register itself
> as both the ext3 and ext4 filesystem, and at some point in the future,
> remove the ext3 name entirely?

Yep, and in addition I would argue that you can take the opportunity to 
make ext4 default to extents-enabled, and some similar behavior changes 
(dir_index default?).  The existence of both ext3 and ext4 means you can 
be more aggressive in turning on stuff, IMO.

	Jeff