linux-kernel - Re: [PATCH review 18/85] coda: Restrict coda messages to the initial user namespace

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Message-ID: <20130213181450.GJ30800@cs.cmu.edu>
Date:	Wed, 13 Feb 2013 13:14:51 -0500
From:	Jan Harkes <jaharkes@...cmu.edu>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	linux-fsdevel@...r.kernel.org,
	Linux Containers <containers@...ts.linux-foundation.org>,
	linux-kernel@...r.kernel.org, "Serge E. Hallyn" <serge@...lyn.com>
Subject: Re: [PATCH review 18/85] coda: Restrict coda messages to the initial
 user namespace

On Wed, Feb 13, 2013 at 09:51:07AM -0800, Eric W. Biederman wrote:
> From: "Eric W. Biederman" <ebiederm@...ssion.com>
> 
> Remove the slight chance that uids and gids in coda messages will be
> interpreted in the wrong user namespace.

Awesome, I was wondering how to handle uid's from different namespaces
cleanly in Coda's userspace daemon without resorting to exporting kuids
to userspace.

But this is a much more elegant solution, every namespace that cares
about Coda should just run their own mountpoint and userspace daemon.

Jan
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