Date: Mon, 15 Mar 2004 17:15:41 +0100
From: =?iso-8859-1?Q?J=F6rn?= Engel <joern@wohnheim.fh-wedel.de>
To: Ian Kent <raven@themaw.net>
Cc: Carsten Otte <cotte@freenet.de>, linux-kernel@vger.kernel.org,
       mszeredi@inf.bme.hu, herbert@13thfloor.at
Subject: Re: unionfs
Message-ID: <20040315161541.GE16615@wohnheim.fh-wedel.de>
References: <200403151235.25877.cotte@freenet.de> <20040315121934.GB16615@wohnheim.fh-wedel.de> <Pine.LNX.4.58.0403152045290.14862@raven.themaw.net> <20040315131601.GC16615@wohnheim.fh-wedel.de>
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On Mon, 15 March 2004 14:16:01 +0100, J?rn Engel wrote:
> On Mon, 15 March 2004 20:47:05 +0800, Ian Kent wrote:
> > On Mon, 15 Mar 2004, [iso-8859-1] J?rn Engel wrote:
> > > 
> > > You could also have some sort of 'hidden symlink', i.e. something that
> > > behaves just like a file but is in fact a link to some other
> > > filesystem.  If that other filesystem is not accessable, all
> > > operations return -EIO.
> > 
> > Sounds a bit untidy.
> 
> If you have a cleaner idea, I'm open for suggestions.

Stupid me.  Simply open a file in the cached fs, so it can't be
umounted.

J?rn

-- 
Measure. Don't tune for speed until you've measured, and even then
don't unless one part of the code overwhelms the rest.
-- Rob Pike
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