linux-kernel - Re: RFC: permit link(2) to work across --bind mounts ?

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Message-ID: <x7k5na1yjb.fsf@saeurebad.de>
Date:	Wed, 19 Dec 2007 16:42:32 +0100
From:	Johannes Weiner <hannes@...urebad.de>
To:	Al Viro <viro@....linux.org.uk>
Cc:	Bodo Eggert <7eggert@....de>, Mark Lord <lkml@....ca>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: RFC: permit link(2)  to work across --bind mounts ?

Hi Al,

Al Viro <viro@....linux.org.uk> writes:

> On Wed, Dec 19, 2007 at 02:43:26PM +0100, Bodo Eggert wrote:
>
>> Since nobody knows about this "security boundary" and everybody knows about
>> the annoying "can't link across bind-mountpoints bug",
>
> ... how about teaching people to RTFM?  Starting, perhaps, with man 2
> link?

Making people RTFM?  Are you trippin? ;)

But in the sense of providing mechanism not (only) policy, a mount
option for that behaviour would still be nice.

	Hannes
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