+int ptlrpc_expire_one_request(struct ptlrpc_request *req);
+
+/* pers.c */
+void ptlrpc_fill_bulk_md(ptl_md_t *md, struct ptlrpc_bulk_desc *desc);
+void ptlrpc_add_bulk_page(struct ptlrpc_bulk_desc *desc, struct page *page,
+ int pageoffset, int len);
+
+/* pinger.c */
+int ptlrpc_start_pinger(void);
+int ptlrpc_stop_pinger(void);
+void ptlrpc_pinger_sending_on_import(struct obd_import *imp);
+void ptlrpc_pinger_wake_up(void);
+