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

*** 172,183 ****
          {SHOPT_NOACLFAB, OPT_NOACLFAB, OPT_TYPE_BOOLEAN},
  #define OPT_UIDMAP      18
          {SHOPT_UIDMAP, OPT_UIDMAP, OPT_TYPE_MAPPING},
  #define OPT_GIDMAP      19
          {SHOPT_GIDMAP, OPT_GIDMAP, OPT_TYPE_MAPPING},
  #ifdef VOLATILE_FH_TEST /* XXX added for testing volatile fh's only */
! #define OPT_VOLFH       20
          {SHOPT_VOLFH, OPT_VOLFH},
  #endif /* VOLATILE_FH_TEST */
          NULL
  };
  
--- 172,185 ----
          {SHOPT_NOACLFAB, OPT_NOACLFAB, OPT_TYPE_BOOLEAN},
  #define OPT_UIDMAP      18
          {SHOPT_UIDMAP, OPT_UIDMAP, OPT_TYPE_MAPPING},
  #define OPT_GIDMAP      19
          {SHOPT_GIDMAP, OPT_GIDMAP, OPT_TYPE_MAPPING},
+ #define OPT_NOHIDE      20
+         {SHOPT_NOHIDE, OPT_NOHIDE, OPT_TYPE_BOOLEAN},
  #ifdef VOLATILE_FH_TEST /* XXX added for testing volatile fh's only */
! #define OPT_VOLFH       21
          {SHOPT_VOLFH, OPT_VOLFH},
  #endif /* VOLATILE_FH_TEST */
          NULL
  };
  
*** 1025,1034 ****
--- 1027,1044 ----
                              strcmp(value, "1") == 0))
                                  export->ex_flags |= EX_NOACLFAB;
                          else
                                  export->ex_flags &= ~EX_NOACLFAB;
                          break;
+                 case OPT_NOHIDE:
+                         if (value != NULL && (strcasecmp(value, "true") == 0 ||
+                             strcmp(value, "1") == 0))
+                                 export->ex_flags |= EX_NOHIDE;
+                         else
+                                 export->ex_flags &= ~EX_NOHIDE;
+ 
+                         break;
                  default:
                          /* have a syntactic error */
                          (void) printf(dgettext(TEXT_DOMAIN,
                              "NFS: unrecognized option %s=%s\n"),
                              name != NULL ? name : "",