- orphan handling to avoid losing space on client/server crashes
- ptlrpcd can be blocked, stopping ALL progress (2477)
- recovery for initial connections (2355)
- - orphan recovery problems in b_eq (1934)
+ - fixes for mds_cleanup_orphans (1934)
- block all file creations until orphan recovery completes (1901)
- client remove rq_connection from request struct (2423)
- conf-sanity test_5, proper cleanup in umount log not availale (2640)