2988 nfssrv: need ability to go to submounts for v3 and v2 protocols
Portions contributed by: Marcel Telka <marcel.telka@nexenta.com>
Portions contributed by: Jean McCormack <jean.mccormack@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>
Reviewed by: Dan Fields <dan.fields@nexenta.com>
Reviewed by: Dan McDonald <danmcd@joyent.com>
Change-Id: I6fdf110cc17e789353c4442b83a46cb80643456e

*** 18,29 ****
   *
   * CDDL HEADER END
   */
  
  /*
-  * Copyright 2016 Nexenta Systems, Inc.  All rights reserved.
   * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
   * Copyright 2016 Jason King.
   */
  
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  /*        All Rights Reserved   */
--- 18,29 ----
   *
   * CDDL HEADER END
   */
  
  /*
   * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
+  * Copyright 2016 Nexenta Systems, Inc.  All rights reserved.
   * Copyright 2016 Jason King.
   */
  
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  /*        All Rights Reserved   */
*** 187,196 ****
--- 187,197 ----
  
  #define EX_CHARMAP      0x1000  /* NFS may need a character set conversion */
  #define EX_NOACLFAB     0x2000  /* If set, NFSv2 and v3 servers won't */
                                  /* fabricate an aclent_t ACL on file systems */
                                  /* that don't support aclent_t ACLs */
+ #define EX_NOHIDE       0x4000  /* traversable from exported parent */
  
  #ifdef  _KERNEL
  
  #define RPC_IDEMPOTENT  0x1     /* idempotent or not */
  /*