use_gss_proxy
ret = cmpxchg(&sn->use_gss_proxy, -1, type);
if (sn->use_gss_proxy == -1)
return sn->use_gss_proxy;
if (!use_gss_proxy(SVC_NET(rqstp)))
snprintf(tbuf, sizeof(tbuf), "%d\n", sn->use_gss_proxy);
sn->use_gss_proxy = -1;
int use_gss_proxy;