Subject: Re: [PATCH 01/24] Unionfs: Documentation
From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Jan Kara <jack@suse.cz>
Cc: Erez Zadok <ezk@cs.sunysb.edu>, Andrew Morton <akpm@osdl.org>,
       "Josef 'Jeff' Sipek" <jsipek@cs.sunysb.edu>,
       linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
       hch@infradead.org, viro@ftp.linux.org.uk, torvalds@osdl.org,
       mhalcrow@us.ibm.com, David Quigley <dquigley@cs.sunysb.edu>
In-Reply-To: <20070109170426.GB23174@atrey.karlin.mff.cuni.cz>
References: <20070108111852.ee156a90.akpm@osdl.org>
	 <200701082051.l08KpV8b011212@agora.fsl.cs.sunysb.edu>
	 <20070109122644.GB1260@atrey.karlin.mff.cuni.cz>
	 <1168360778.6054.26.camel@lade.trondhjem.org>
	 <20070109170426.GB23174@atrey.karlin.mff.cuni.cz>
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Date: Tue, 09 Jan 2007 12:07:05 -0500
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On Tue, 2007-01-09 at 18:04 +0100, Jan Kara wrote:
>   But once you have MS_RDONLY set, there should be no modifications of
> the underlying filesystem, should they? And I have understood that the
> only problem is modifying the filesystem underneath unionfs. But maybe
> I'm missing something.

Remote filesystems. The MS_RDONLY bit on your client means bugger all to
the server and all the other clients.

Trond

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