* Repeatedly unmount file systems until a fixpoint is reached (no more   file systems can be unmounted). * Remount all un-unmountable file systems as read-only. * Explicitly call losetup to get rid of loopback devices to work   around a bug in mount.
* Repeatedly unmount file systems until a fixpoint is reached (no more
  file systems can be unmounted).
* Remount all un-unmountable file systems as read-only.
* Explicitly call losetup to get rid of loopback devices to work
  around a bug in mount.


git-svn-id: 71c8032c709790ec749031c4215f8515ac00dc5a@7454 70bd8c7a-acb8-0310-9f0d-9cc1c95dcdbb

falsifian/personal_nixos,falsifian/personal_nixos,falsifian/personal_nixos,falsifian/personal_nixos,falsifian/personal_nixos