linux-kernel - Re: [PATCH] autofs4 - detect invalid direct mount requests

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Message-ID: <x49iqw4tg63.fsf@segfault.boston.devel.redhat.com>
Date:	Fri, 20 Jun 2008 09:00:20 -0400
From:	Jeff Moyer <jmoyer@...hat.com>
To:	Ian Kent <raven@...maw.net>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Kernel Mailing List <linux-kernel@...r.kernel.org>,
	autofs mailing list <autofs@...ux.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: [PATCH] autofs4 - detect invalid direct mount requests

Ian Kent <raven@...maw.net> writes:

> autofs v5 dierct and offset mounts within an autofs filesystem are
> triggered by existing autofs triger mounts so the mount point dentry
> must be positive. If the mount point dentry is negative then the
> trigger doesn't exist so we can return fail immediately.

What are the conditions that lead us here in that case?

-Jeff
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