DEFINE_NFSD_CB_LIFETIME_EVENT
DEFINE_NFSD_CB_LIFETIME_EVENT(queue);
DEFINE_NFSD_CB_LIFETIME_EVENT(destroy);
DEFINE_NFSD_CB_LIFETIME_EVENT(restart);
DEFINE_NFSD_CB_LIFETIME_EVENT(bc_update);
DEFINE_NFSD_CB_LIFETIME_EVENT(bc_shutdown);