svc_find_xprt
xprt = svc_find_xprt(serv, name, net, family, 0);
xprt = svc_find_xprt(serv, transport, net, PF_INET, port);
struct svc_xprt *svc_find_xprt(struct svc_serv *serv, const char *xcl_name,
EXPORT_SYMBOL_GPL(svc_find_xprt);