mount namespace : who mounted what ?

[Daniel Lezcano]

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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