ceph/ceph — pull request #2159 by jcsp (2014-07-29 13:05:42+00:00)
Title: tools/cephfs: fuller header in dump/undump

There were two problems here:
* write_pos was modified through an undump/dump cycle,
because it was probed during recovery.
* stream format was being forgotten.

Signed-off-by: John Spray