Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262698AbUCOQRV (ORCPT ); Mon, 15 Mar 2004 11:17:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262720AbUCOQRT (ORCPT ); Mon, 15 Mar 2004 11:17:19 -0500 Received: from mail.fh-wedel.de ([213.39.232.194]:43242 "EHLO mail.fh-wedel.de") by vger.kernel.org with ESMTP id S262698AbUCOQNk (ORCPT ); Mon, 15 Mar 2004 11:13:40 -0500 Date: Mon, 15 Mar 2004 17:13:23 +0100 From: =?iso-8859-1?Q?J=F6rn?= Engel To: Ian Kent Cc: Carsten Otte , linux-kernel@vger.kernel.org, mszeredi@inf.bme.hu, herbert@13thfloor.at Subject: Re: unionfs Message-ID: <20040315161323.GD16615@wohnheim.fh-wedel.de> References: <200403151235.25877.cotte@freenet.de> <20040315121934.GB16615@wohnheim.fh-wedel.de> <20040315131601.GC16615@wohnheim.fh-wedel.de> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 771 Lines: 23 On Mon, 15 March 2004 22:35:20 +0800, Ian Kent wrote: > > I don't understand the requirement properly. Sorry. Depends on who you ask, but imo it boils down to this: - Use one filesystem as backing store, usually ro. - Have another filesystem on top for extra functionality, usually rw access. Famous example is a rw-CDROM, where writes go to hard drive and unchanged data is read from CDROM. But it makes sense for other things as well. J?rn -- Data expands to fill the space available for storage. -- Parkinson's Law - 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/