From: Andreas Dilger Subject: Re: ext4 fails on ext2 filesystems Date: Tue, 20 Jan 2009 07:30:59 +0800 Message-ID: <20090119233059.GH3286@webber.adilger.int> References: <20090118013516.GA4876@alea.gnuu.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-ext4@vger.kernel.org To: =?utf-8?B?Su+/vXJn?= Sommer Return-path: Received: from sca-es-mail-1.Sun.COM ([192.18.43.132]:37211 "EHLO sca-es-mail-1.sun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754184AbZASXbI (ORCPT ); Mon, 19 Jan 2009 18:31:08 -0500 Received: from fe-sfbay-10.sun.com ([192.18.43.129]) by sca-es-mail-1.sun.com (8.13.7+Sun/8.12.9) with ESMTP id n0JNV2dl021763 for ; Mon, 19 Jan 2009 15:31:02 -0800 (PST) Received: from conversion-daemon.fe-sfbay-10.sun.com by fe-sfbay-10.sun.com (Sun Java System Messaging Server 6.2-8.04 (built Feb 28 2007)) id <0KDQ00501RU8P400@fe-sfbay-10.sun.com> (original mail from adilger@sun.com) for linux-ext4@vger.kernel.org; Mon, 19 Jan 2009 15:31:01 -0800 (PST) In-reply-to: <20090118013516.GA4876@alea.gnuu.de> Content-disposition: inline Sender: linux-ext4-owner@vger.kernel.org List-ID: On Jan 18, 2009 02:35 +0100, J=EF=BF=BDrg Sommer wrote: > I've an ext2 filesystem as root filesystem, because it's mounted read= only > for the most part. I've built in the support for ext[234] in the kern= el. > Ext4 takes precedence over ext2 and it mounts the root filesystem: Hmm, probably an unintended consequence of the newly-added patch to allow ext4 to mount ext2 filesystems. > But when remounting the filesystem read/write and changing a file, th= e > changes are written to the filesystem, but it's remounted readonly > immediatly. I've set the mount option remount-ro. >=20 > [ 203.082300] EXT4 FS on hda3, no journal > [ 205.746713] EXT4-fs error (device hda3): ext4_free_data: circular = indirect block detected, inode=3D165056, block=3D184476 > motherboard : PowerBook6,3 MacRISC3 Power Macintosh Hmm, looks like it might be a bug in the endian conversion? Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html