Date: Wed, 23 Aug 2006 14:05:52 -0400
From: Josef Sipek <jsipek@fsl.cs.sunysb.edu>
To: =?iso-8859-1?Q?J=F6rn?= Engel <joern@wohnheim.fh-wedel.de>
Cc: Al Boldi <a1426z@gawab.com>, Eric Van Hensbergen <ericvh@gmail.com>,
       linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC] VFS: FS CoW using redirection
Message-ID: <20060823180552.GC28873@filer.fsl.cs.sunysb.edu>
References: <200607082041.54489.a1426z@gawab.com> <a4e6962a0607081132u4558473cgf89b8b25fcea317d@mail.gmail.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-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <20060823172402.GC15851@wohnheim.fh-wedel.de>
User-Agent: Mutt/1.4.1i
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 909
Lines: 24

On Wed, Aug 23, 2006 at 07:24:02PM +0200, J?rn Engel wrote:
> On Sun, 9 July 2006 15:50:36 +0300, Al Boldi wrote:
> > 
> > Consider something simple like this:
> > 
> > VFS - anyFS1 (r/w) used normally, unless ENotFound, then redirect read 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.

Or you can give Unionfs a try: http://www.unionfs.org

Josef "Jeff" Sipek.

-- 
The box said "Windows XP or better required". So I installed Linux.
-
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/