From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?iso-8859-1?Q?J=F6rn?= Engel Subject: Re: [RFC] VFS: FS CoW using redirection Date: Wed, 23 Aug 2006 19:24:02 +0200 Message-ID: <20060823172402.GC15851@wohnheim.fh-wedel.de> References: <200607082041.54489.a1426z@gawab.com> <200607091550.36407.a1426z@gawab.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Eric Van Hensbergen , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: Received: from wohnheim.fh-wedel.de ([213.39.233.138]:15562 "EHLO wohnheim.fh-wedel.de") by vger.kernel.org with ESMTP id S932324AbWHWRYC (ORCPT ); Wed, 23 Aug 2006 13:24:02 -0400 To: Al Boldi Content-Disposition: inline In-Reply-To: <200607091550.36407.a1426z@gawab.com> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org 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 rea= d to > \ anyFS2, or CoW from anyFS2 to anyFS1. > anyFS2 (r/o) used normally. 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. J=F6rn --=20 =2E..one more straw can't possibly matter... -- Kirby Bakken - 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