linux-kernel - Re: [RFC] AT_NO_JUMPS/LOOKUP_NO

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Message-ID: <20170502195740.GA4427@amd>
Date:   Tue, 2 May 2017 21:57:40 +0200
From:   Pavel Machek <pavel@....cz>
To:     Al Viro <viro@...IV.linux.org.uk>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [RFC] AT_NO_JUMPS/LOOKUP_NO_JUMPS

On Sun 2017-03-19 17:24:15, Al Viro wrote:
> 	Bringing back an old conversation - what do you think about the
> potential usefulness of the following ...at() option:
> 	* no mountpoint crossings allowed (mount --bind included)

Returning error or returning the object that should be hidden by the
mount?

I believe the second option would be a bit dangerous...
								Pavel
								
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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