void ptlrpc_pinger_commit_expected(struct obd_import *imp);
void ptlrpc_pinger_wake_up(void);
void ptlrpc_ping_import_soon(struct obd_import *imp);
void ptlrpc_pinger_commit_expected(struct obd_import *imp);
void ptlrpc_pinger_wake_up(void);
void ptlrpc_ping_import_soon(struct obd_import *imp);