ceph/ceph — pull request #2880 by jcsp (2014-11-07 14:45:09+00:00)
Title: #10025/firefly -- tools: fix MDS journal import

Previously it only worked on fresh filesystems which
hadn't been trimmed yet, and resulted in an invalid
trimmed_pos when expire_pos wasn't on an object
boundary.

Fixes: #10025

Signed-off-by: John Spray
(cherry picked from commit fb29e71f9a97c12354045ad2e128156e503be696)