3630 NFS server should not allocate oversized buffers
Reviewed by: Jeff Biseda <jeff.biseda@delphix.com>
Reviewed by: Eric Schrock <Eric.Schrock@delphix.com>
Reviewed by: Gordon Ross <gordon.ross@nexenta.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Reviewed by: Marcel Telka <marcel.telka@nexenta.com>
Approved by: Albert Lee <trisk@nexenta.com>