if client connected until mds will be know about real ost count,
getting LOV EA can be fail because mds not allocate enougth buffer
for LOV EA.
Branch b1_8_gate
b=16080
i=tappro
i=johann
int mds_lov_disconnect(struct obd_device *obd);
int mds_lov_write_objids(struct obd_device *obd);
+int mds_lov_prepare_objids(struct obd_device *obd, struct lov_mds_md *lmm);
void mds_lov_update_objids(struct obd_device *obd, struct lov_mds_md *lmm);
int mds_lov_clear_orphans(struct mds_obd *mds, struct obd_uuid *ost_uuid);