NFSD_A_SVC_EXPORT_PATH
nla_put_string(skb, NFSD_A_SVC_EXPORT_PATH, pth)) {
if (!tb[NFSD_A_SVC_EXPORT_PATH]) {
err = kern_path(nla_data(tb[NFSD_A_SVC_EXPORT_PATH]), 0,
[NFSD_A_SVC_EXPORT_PATH] = { .type = NLA_NUL_STRING, },