linux-kernel - mount namespace : who mounted what ?

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Message-ID: <4C080ABD.5040902@free.fr>
Date:	Thu, 03 Jun 2010 22:04:13 +0200
From:	Daniel Lezcano <daniel.lezcano@...e.fr>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: mount namespace : who mounted what ?

Hi all,

I was wondering, in a new mount namespace, if it is possible to know 
which mount points were inherited and which were mounted in a new 
namespace ?

I looked at /proc/<pid>/mountinfo and investigated a bit on the mount 
id, but this one is not reliable as it changes in the new namespace. The 
/proc/<pid>/mounts file shows all the mount points visible for the 
process inherited or not.

Any ideas ?

Thanks
   -- Daniel
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