5914 pipe generates inodes with ino > 4G

*** 20,29 ****
--- 20,32 ----
   */
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  
  /*
   * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
+  *
+  * Copyright 2017 Ivan Richwalski <ivan@seppuku.net>
+  *
   */
  
  /*
   * The routines defined in this file are supporting routines for FIFOFS
   * file system type.
*** 550,565 ****
          nvp2->v_rdev = fifodev;
  }
  
  /*
   * Attempt to establish a unique pipe id.  Only un-named pipes use this
!  * routine.
   */
  ino_t
  fifogetid(void)
  {
!         static ino_t fifo_ino = 0;
          ino_t fino;
  
          mutex_enter(&fino_lock);
          fino = fifo_ino++;
          mutex_exit(&fino_lock);
--- 553,569 ----
          nvp2->v_rdev = fifodev;
  }
  
  /*
   * Attempt to establish a unique pipe id.  Only un-named pipes use this
!  * routine. Use a 32-bit ino_t so any 32-bit processes that aren't large
!  * file aware can still stat() a pipe fd and not fail with EOVERFLOW.
   */
  ino_t
  fifogetid(void)
  {
!         static ino32_t fifo_ino = 0;
          ino_t fino;
  
          mutex_enter(&fino_lock);
          fino = fifo_ino++;
          mutex_exit(&fino_lock);