-extern spinlock_t ptlrpc_last_xid_lock;
-#if RS_DEBUG
-extern spinlock_t ptlrpc_rs_debug_lock;
-#endif
-extern spinlock_t ptlrpc_all_services_lock;
-extern struct mutex pinger_mutex;
-extern struct mutex ptlrpcd_mutex;
-
-__init int ptlrpc_init(void)