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Date: Fri, 16 Mar 2007 16:46:42 +0200
From: "Pekka Enberg" <penberg@cs.helsinki.fi>
To: "Alan Cox" <alan@lxorguk.ukuu.org.uk>
Subject: Re: [PATCH 2/5] revoke: core code
Cc: "Andrew Morton" <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org,
       hch@infradead.org
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On 3/16/07, Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
> > Serious question - do we actually need revoke() on a normal file ? BSD
> > has never had this, SYS5 has never had this.

On 3/16/07, Pekka Enberg <penberg@cs.helsinki.fi> wrote:
> It's needed for forced unmount (bits of it anyway) and
> partial-revocation in SLIM.

And btw, you do need support for tearing down mmap for device files too, right?