/- uclient bugs
/- msgr: unidirectional option (client->mon, client->mds, client->osd)
/- mon subscriptions to get osd, mds map updates. single mon connection.
+- many libceph/uclient fixes (version api, readahead, hadoop client improvements)
+- deb packages fixed up
-- kclient: retry alloc on ENOMEM when reading from connection
+- kclient: retry alloc on ENOMEM when reading from connection?
- client authentication
- radosgw
- uclient: fix write vs max_size?
bugs
- premature filejournal trimming?
- weird osd_lock contention during osd restart?
-- clientid needs to be u64, and consistent throughout
- ceph needs to detect monitor session drop
later