From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161036AbWFJWNM (ORCPT ); Sat, 10 Jun 2006 18:13:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161035AbWFJWNL (ORCPT ); Sat, 10 Jun 2006 18:13:11 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:64966 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S1161032AbWFJWNK (ORCPT ); Sat, 10 Jun 2006 18:13:10 -0400 Message-ID: <448B43EB.6050607@garzik.org> Date: Sat, 10 Jun 2006 18:12:59 -0400 From: Jeff Garzik User-Agent: Thunderbird 1.5.0.2 (X11/20060501) MIME-Version: 1.0 To: Theodore Tso CC: Linus Torvalds , Kyle Moffett , Chase Venters , Alex Tomas , Andreas Dilger , Andrew Morton , ext2-devel , 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: <20060609181020.GB5964@schatzie.adilger.int> <4489C580.7080001@garzik.org> <17D07BC0-4B41-4981-80F5-7AAEC0BB6CC8@mac.com> <20060610212624.GD6641@thunk.org> In-Reply-To: <20060610212624.GD6641@thunk.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.2 (----) X-Spam-Report: SpamAssassin version 3.1.1 on srv5.dvmed.net summary: Content analysis details: (-4.2 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Theodore Tso wrote: > As far as people who want to use ext3 as the beginning point > to do something that is has no forwards- compatibility, there's > nothing stopping them from creating a jgarzikfs if they want. But I > think I can speak for most of the ext3 development community that we > feel that one of the strengths of ext2/3 is its ability to do smooth > upgrades (and in many cases, downgrades as well, when people need to > migrate a filesystem so it can be mounted on older kernels), and that > it's one of the reasons why ext3 has been more succesful, than say, > JFS. When did I ever say smooth upgrades were a bad idea? The whole point of 'cp -a ext3 ext4' is to ensure smooth upgrades continue. A key theme is to avoid -backporting- all this new stuff that's going into ext4. IMO ext3 shouldn't be a devel platform at this point in its lifecycle. Jeff