linux-kernel - Re: [PATCH v3] vfs: new O

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Message-Id: <E1NH1MB-0007v8-Ps@pomaz-ex.szeredi.hu>
Date:	Sat, 05 Dec 2009 21:35:55 +0100
From:	Miklos Szeredi <miklos@...redi.hu>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	miklos@...redi.hu, luto@....edu, miklos@...redi.hu,
	akpm@...ux-foundation.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] vfs: new O_NODE open flag

On Sat, 5 Dec 2009, Alan Cox wrote:
> I am concerned primarily about the lack of ability to get rid of such a
> handle in a controlled fashion. The udev/device unload case is simply one
> obvious way to exploit it.

I don't understand your concern.  Can you please ellaborate on the way
to exploit O_NODE?

Thanks,
Miklos
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