From: Eric Sandeen Subject: Re: Concise description of disk layout? Date: Wed, 15 Apr 2009 19:49:57 -0500 Message-ID: <49E680B5.4050603@redhat.com> References: <1239838392.12688.4.camel@bobble.smo.corp.google.com> <20090416002809.GG21586@mit.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Frank Mayhar , linux-ext4@vger.kernel.org To: Theodore Tso Return-path: Received: from mx2.redhat.com ([66.187.237.31]:35077 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752923AbZDPAuF (ORCPT ); Wed, 15 Apr 2009 20:50:05 -0400 In-Reply-To: <20090416002809.GG21586@mit.edu> Sender: linux-ext4-owner@vger.kernel.org List-ID: Theodore Tso wrote: > On Wed, Apr 15, 2009 at 04:33:12PM -0700, Frank Mayhar wrote: >> Does such a thing exist anywhere? I.e. "inodes are here, data blocks >> are here, etc., etc." I need to come up with something like this but if >> one already exists that would save a lot of time. > > At what level? You mean something like this: > > http://e2fsprogs.sourceforge.net/ext2intro.html > > but updated for ext4? Or do you mean like some XML DTD for a generic description? That's the first thing that came to mind when I read it. or ... an e2image actually *captures* all of that information about a filesystem... depends what you're looking for I suppose? -Eric