Re: MNT_DETACH and mount namespace issue

[Ram Pai]

On Mon, Aug 04, 2014 at 11:19:35PM +0200, Richard Weinberger wrote:
> Am 04.08.2014 18:46, schrieb Eric W. Biederman:
> > Richard Weinberger <richard.weinberger@xxxxxxxxx> writes:
> 
> /proc is propagating into another mount namespaces that does not care.
> This happens because systemd creates for several services a mount namespace and sets
> the root tree to MS_SHARED.

if propagations are not needed, than set the root of the new mount
namespace to MS_PRIVATE first and then set it to MS_SHARED.

MS_PRIVATE will delink the propagations, and MS_SHARED later will enable
the new mounts to propagate to whoever wants them.

RP

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