Credits
~~~~~~~

This work is based on earlier work by
* Michael Clark <michael@metaparadigm.com> (C) 2004, GPLv2 only
  - http://gort.metaparadigm.com/userblk/
* Ulrich Drepper <drepper@gnu.ai.mit.edu> (C) 1995, GPLv2 or later
  - from glibc


Log Structured Block Device
~~~~~~~~~~~~~~~~~~~~~~~~~~~