[lxc-users] shared mount and umount propogation.

[Serge Hallyn]

Quoting Craig Ruff (cruff at ucar.edu):
> Oops, made a major typo.  I meant to say I had to do a
> "mount --make-rslave /" to get things to behave.

Ah, that makes a lot more sense :)

So we just need a function to walk all the mounts and convert
them.

thanks,
-serge