ceph/ceph — pull request #206 by 6uv1s (2013-04-08 14:17:17+00:00)
Title: mds: Keep LogSegment ref for openc backtrace

The MDRequest is destroyed once the client reply is sent, but
we need the reference to the LogSegment for updating the backtrace, so
store a temporary ref to the LogSegment for later.

Fixes #4660.
Signed-off-by: Sam Lang