int lustre_uuid_to_peer(const char *uuid, lnet_nid_t *peer_nid, int index);
int class_add_uuid(const char *uuid, __u64 nid);
int class_del_uuid (const char *uuid);
+int class_check_uuid(struct obd_uuid *uuid, __u64 nid);
void class_init_uuidlist(void);
void class_exit_uuidlist(void);