+void ptlrpc_lprocfs_rpc_sent(struct ptlrpc_request *req, long amount);
+void ptlrpc_lprocfs_do_request_stat (struct ptlrpc_request *req,
+ long q_usec, long work_usec);
+#else
+#define ptlrpc_lprocfs_register_service(params...) do{}while(0)
+#define ptlrpc_lprocfs_unregister_service(params...) do{}while(0)
+#define ptlrpc_lprocfs_rpc_sent(params...) do{}while(0)
+#define ptlrpc_lprocfs_do_request_stat(params...) do{}while(0)
+#endif /* LPROCFS */
+
+/* NRS */
+
+/**
+ * NRS core object.
+ *
+ * Holds NRS core fields.
+ */
+struct nrs_core {
+ /**
+ * Protects nrs_core::nrs_policies, serializes external policy
+ * registration/unregistration, and NRS core lprocfs operations.
+ */
+ struct mutex nrs_mutex;
+ /* XXX: This is just for liblustre. Remove the #if defined directive
+ * when the * "cfs_" prefix is dropped from cfs_list_head. */
+#if defined (__linux__) && defined(__KERNEL__)
+ /**
+ * List of all policy descriptors registered with NRS core; protected
+ * by nrs_core::nrs_mutex.
+ */
+ struct list_head nrs_policies;
+#else
+ struct cfs_list_head nrs_policies;
+#endif
+
+};
+
+int ptlrpc_service_nrs_setup(struct ptlrpc_service *svc);
+void ptlrpc_service_nrs_cleanup(struct ptlrpc_service *svc);
+
+void ptlrpc_nrs_req_initialize(struct ptlrpc_service_part *svcpt,
+ struct ptlrpc_request *req, bool hp);
+void ptlrpc_nrs_req_finalize(struct ptlrpc_request *req);
+void ptlrpc_nrs_req_stop_nolock(struct ptlrpc_request *req);
+void ptlrpc_nrs_req_add(struct ptlrpc_service_part *svcpt,
+ struct ptlrpc_request *req, bool hp);
+
+struct ptlrpc_request *
+ptlrpc_nrs_req_get_nolock0(struct ptlrpc_service_part *svcpt, bool hp,
+ bool peek, bool force);