Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264912AbTGBKo0 (ORCPT ); Wed, 2 Jul 2003 06:44:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264923AbTGBKo0 (ORCPT ); Wed, 2 Jul 2003 06:44:26 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:12051 "EHLO atrey.karlin.mff.cuni.cz") by vger.kernel.org with ESMTP id S264912AbTGBKoX (ORCPT ); Wed, 2 Jul 2003 06:44:23 -0400 Date: Tue, 1 Jul 2003 22:03:09 +0200 From: Pavel Machek To: viro@parcelfarce.linux.theplanet.co.uk Cc: rmoser , linux-kernel@vger.kernel.org Subject: Re: File System conversion -- ideas Message-ID: <20030701200309.GB6810@zaurus.ucw.cz> References: <200306291011.h5TABQXB000391@81-2-122-30.bradfords.org.uk> <20030629132807.GA25170@mail.jlokier.co.uk> <3EFEEF8F.7050607@post.pl> <20030629192847.GB26258@mail.jlokier.co.uk> <20030629194215.GG27348@parcelfarce.linux.theplanet.co.uk> <200306291545410600.02136814@smtp.comcast.net> <20030629200020.GH27348@parcelfarce.linux.theplanet.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030629200020.GH27348@parcelfarce.linux.theplanet.co.uk> User-Agent: Mutt/1.3.27i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1357 Lines: 31 Hi! > > >Uh-huh. You want to get in-kernel conversion between ext* and reiserfs? > > >With recoverable state if aborted? Get real. > > > > no, in-kernel conversion between everything. You don't think it can be done? > > It's not that difficult a problem to manage data like that :D > > I think that I will believe it when I see the patchset implementing it. > Provided that it will be convincing enough. Other than that... Not > really. You will need code for each pair of filesystems, since > convertor will need to know *both* layouts. No amount of handwaving > is likely to work around that. And we have what, something between > 10 and 20 local filesystems? Have fun... > > If you want your idea to be considered seriously - take reiserfs code, > take ext3 code, copy both to userland and put together a conversion > between them. Both ways. That, by definition, is easier than doing Actually partition surprise should be able to do ext2<=>reiser. It does not have journal, IIRC :-(. Pavel -- Pavel Written on sharp zaurus, because my Velo1 broke. If you have Velo you don't need... - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/