From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030182AbWFIOgF (ORCPT ); Fri, 9 Jun 2006 10:36:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030185AbWFIOgE (ORCPT ); Fri, 9 Jun 2006 10:36:04 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:3978 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S1030181AbWFIOgC (ORCPT ); Fri, 9 Jun 2006 10:36:02 -0400 Message-ID: <4489874C.1020108@garzik.org> Date: Fri, 09 Jun 2006 10:35:56 -0400 From: Jeff Garzik User-Agent: Thunderbird 1.5.0.2 (X11/20060501) MIME-Version: 1.0 To: Alex Tomas CC: Christoph Hellwig , Mingming Cao , linux-kernel@vger.kernel.org, ext2-devel , linux-fsdevel@vger.kernel.org Subject: Re: [Ext2-devel] [RFC 0/13] extents and 48bit ext3 References: <1149816055.4066.60.camel@dyn9047017069.beaverton.ibm.com> <20060609091327.GA3679@infradead.org> <44898476.80401@garzik.org> In-Reply-To: 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 Alex Tomas wrote: >>>>>> Jeff Garzik (JG) writes: > > JG> And thus, inodes are progressively incompatible with older > JG> kernels. Boot into an older kernel, and you can now only read half > JG> your filesystem (if it even allows mount at all). > > nope, you aren't allowed to mount fs with extents-enabled files > by ext3 which has no the feature compiled in. the same will > happen if you call it ext4. This is my point... why increase user confusion by calling it ext3, then? Extent magnify the "what ext3 filesystem am I talking to, today?" problem. Jeff