nfs_session_id_hash
__entry->session = nfs_session_id_hash(&session->sess_id);
__entry->session = nfs_session_id_hash(&args->csa_sessionid);
__entry->session = nfs_session_id_hash(&args->csa_sessionid);
__entry->session = session ? nfs_session_id_hash(&session->sess_id) : 0;