class MOSDPGBackfillRemove;
class MOSDPGCreate2;
class MOSDPGCreated;
-class MOSDPGCreate;
class MOSDPGInfo;
class MOSDPGLog;
class MOSDPGNotify;
class MOSDRepScrub;
class MOSDRepScrubMap;
class MOSDScrub2;
-class MOSDScrub;
class MOSDScrubReserve;
class MPGStatsAck;
class MPGStats;