NFS4ERR_DENIED
if (reply.NFS4Error() != NFS4ERR_DENIED) {
if (reply.NFS4Error() == NFS4ERR_DENIED) {
if (reply.NFS4Error() != NFS4ERR_DENIED || wait) {
case NFS4ERR_DENIED:
if (res != B_WOULD_BLOCK || NFS4Error() != NFS4ERR_DENIED)
case NFS4ERR_DENIED: