From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josef Sipek Subject: Re: [RFC] VFS: FS CoW using redirection Date: Wed, 23 Aug 2006 14:05:52 -0400 Message-ID: <20060823180552.GC28873@filer.fsl.cs.sunysb.edu> References: <200607082041.54489.a1426z@gawab.com> <200607091550.36407.a1426z@gawab.com> <20060823172402.GC15851@wohnheim.fh-wedel.de> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Al Boldi , Eric Van Hensbergen , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: Received: from filer.fsl.cs.sunysb.edu ([130.245.126.2]:44487 "EHLO filer.fsl.cs.sunysb.edu") by vger.kernel.org with ESMTP id S932448AbWHWSF4 (ORCPT ); Wed, 23 Aug 2006 14:05:56 -0400 To: =?iso-8859-1?Q?J=F6rn?= Engel Content-Disposition: inline In-Reply-To: <20060823172402.GC15851@wohnheim.fh-wedel.de> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On Wed, Aug 23, 2006 at 07:24:02PM +0200, J=F6rn Engel wrote: > On Sun, 9 July 2006 15:50:36 +0300, Al Boldi wrote: > >=20 > > Consider something simple like this: > >=20 > > VFS - anyFS1 (r/w) used normally, unless ENotFound, then redirect r= ead to > > \ anyFS2, or CoW from anyFS2 to anyFS1. > > anyFS2 (r/o) used normally. >=20 > That concept is known as union mount. Jan Blunck did some patches in > that direction, you might be able to find them in the archives. If > not, just send him a mail. Or you can give Unionfs a try: http://www.unionfs.org Josef "Jeff" Sipek. --=20 The box said "Windows XP or better required". So I installed Linux. - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel= " in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html