From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Dilger Subject: Re: [PATCH, RFC] ext4: Rename ext4dev to ext4 Date: Tue, 07 Oct 2008 05:07:52 -0600 Message-ID: <20081007110752.GV2009@webber.adilger.int> References: <1223356130-22006-1-git-send-email-tytso@mit.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7BIT Cc: linux-ext4@vger.kernel.org To: "Theodore Ts'o" Return-path: Received: from sca-es-mail-2.Sun.COM ([192.18.43.133]:65113 "EHLO sca-es-mail-2.sun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752832AbYJGLIG (ORCPT ); Tue, 7 Oct 2008 07:08:06 -0400 Received: from fe-sfbay-09.sun.com ([192.18.43.129]) by sca-es-mail-2.sun.com (8.13.7+Sun/8.12.9) with ESMTP id m97B84SV014780 for ; Tue, 7 Oct 2008 04:08:05 -0700 (PDT) Received: from conversion-daemon.fe-sfbay-09.sun.com by fe-sfbay-09.sun.com (Sun Java System Messaging Server 6.2-8.04 (built Feb 28 2007)) id <0K8D00G01833K600@fe-sfbay-09.sun.com> (original mail from adilger@sun.com) for linux-ext4@vger.kernel.org; Tue, 07 Oct 2008 04:08:04 -0700 (PDT) In-reply-to: <1223356130-22006-1-git-send-email-tytso@mit.edu> Content-disposition: inline Sender: linux-ext4-owner@vger.kernel.org List-ID: On Oct 07, 2008 01:08 -0400, Theodore Ts'o wrote: > + This is the next generation of the ext3 filesystem. > > Unlike the change from ext2 filesystem to ext3 filesystem, > + the on-disk format of ext4 is not backwardscompatible with Actually, it is not _forwards_ compatible with ext2/ext3 drivers, but it is most certainly _backwards_ compatible with older ext3 filesystems. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc.