From: Al Viro <viro@ZenIV.linux.org.uk>
To: John Ogness <dazukocode@ogness.net>
Cc: Jan Engelhardt <jengelh@medozas.de>,
linux-kernel@vger.kernel.org, malware-list@lists.printk.net,
eparis@redhat.com, hch@infradead.org, alan@lxorguk.ukuu.org.uk
Subject: Re: [PATCHv2 1/5] VFS: DazukoFS, stackable-fs, file access control
Date: Fri, 13 Feb 2009 19:48:12 +0000 [thread overview]
Message-ID: <20090213194812.GM28946@ZenIV.linux.org.uk> (raw)
In-Reply-To: <86y6wagmmg.fsf@johno.fn.ogness.net>
On Fri, Feb 13, 2009 at 08:31:03PM +0100, John Ogness wrote:
> If we want to forbid users from being able to do this, I think it
> would be simpler just to fail the mount if it is _not_ specified for
> direct stacking. This forces users to use a syntax that makes it very
> clear what they are doing.
>
> Since mounting to a different directory could cause problems, I think
> it will be good to forbid it. I will make this change for the next
> patch series.
And just how are you going to do that? Note that underlying directory
may be visible in many places to start with...
next prev parent reply other threads:[~2009-02-13 19:48 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-03 19:14 [PATCHv2 0/5] VFS: DazukoFS, stackable-fs, file access control John Ogness
2009-02-03 19:15 ` [PATCHv2 1/5] " John Ogness
2009-02-03 19:17 ` [PATCHv2 2/5] " John Ogness
2009-02-03 19:18 ` [PATCHv2 3/5] " John Ogness
2009-02-03 19:19 ` [PATCHv2 4/5] " John Ogness
2009-02-03 19:20 ` [PATCHv2 5/5] " John Ogness
2009-02-12 20:24 ` Eric W. Biederman
2009-02-12 20:20 ` [PATCHv2 3/5] " Eric W. Biederman
2009-02-17 8:55 ` John Ogness
2009-02-18 0:41 ` Eric W. Biederman
2009-02-21 18:11 ` [malware-list] " Frantisek Hrbata
2009-02-12 16:00 ` [PATCHv2 2/5] " Jan Engelhardt
2009-02-13 19:33 ` John Ogness
2009-02-12 20:14 ` Eric W. Biederman
2009-02-13 19:39 ` John Ogness
2009-02-12 15:27 ` [PATCHv2 1/5] " Jan Engelhardt
2009-02-12 15:31 ` Al Viro
2009-02-12 15:59 ` Jan Engelhardt
2009-02-12 16:47 ` Al Viro
2009-02-13 19:31 ` John Ogness
2009-02-13 19:48 ` Al Viro [this message]
2009-02-13 20:00 ` Jan Engelhardt
2009-02-13 20:25 ` Al Viro
2009-02-14 8:43 ` John Ogness
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