From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: Upgrading datastructures between different filesystem versions Date: Sat, 29 Sep 2007 10:05:56 +0100 Message-ID: <20070929090556.GA27132@infradead.org> References: <7e77a4050709250827p26683c6bqc65832783ba1c365@mail.gmail.com> <46F9F0EB.6020404@gmail.com> <20070926161756.GU32520@schatzie.adilger.int> <20070928131100.GA2904@gateway.home> <20070928133146.GA9139@infradead.org> <20070928194723.GI8688@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Christoph Hellwig , Erik Mouw , Sachin Gaikwad , Jim Cromie , kernel learner , linux-fsdevel@vger.kernel.org, kernelnewbies@nl.linux.org To: Theodore Tso Return-path: Received: from pentafluge.infradead.org ([213.146.154.40]:36427 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753297AbXI2JGE (ORCPT ); Sat, 29 Sep 2007 05:06:04 -0400 Content-Disposition: inline In-Reply-To: <20070928194723.GI8688@thunk.org> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On Fri, Sep 28, 2007 at 03:47:24PM -0400, Theodore Tso wrote: > Ext3 does something similar, zapping space at the beginning AND the > end of the partition (because the MD superblocks are at the end). > It's just a misfeature of reiserfs's mkfs that it doesn't do this. mkfs.xfs of course also whipes at the end. I just wanted to show how easy this is to fix.