8115 parallel zfs mount

*** 21,30 ****
--- 21,31 ----
  
  /*
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   * Copyright 2016 Nexenta Systems, Inc.
+  * Copyright (c) 2017 by Delphix. All rights reserved.
   */
  
  /*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
  /*        All Rights Reserved   */
  
*** 194,204 ****
  
  static vfsdef_t vfw = {
          VFSDEF_VERSION,
          "ufs",
          ufsinit,
!         VSW_HASPROTO|VSW_CANREMOUNT|VSW_STATS|VSW_CANLOFI,
          &ufs_mntopts
  };
  
  /*
   * Module linkage information for the kernel.
--- 195,205 ----
  
  static vfsdef_t vfw = {
          VFSDEF_VERSION,
          "ufs",
          ufsinit,
!         VSW_HASPROTO|VSW_CANREMOUNT|VSW_STATS|VSW_CANLOFI|VSW_MOUNTDEV,
          &ufs_mntopts
  };
  
  /*
   * Module linkage information for the kernel.
*** 257,267 ****
  
  
  static int
  ufs_mount(struct vfs *vfsp, struct vnode *mvp, struct mounta *uap,
          struct cred *cr)
- 
  {
          char *data = uap->dataptr;
          int datalen = uap->datalen;
          dev_t dev;
          struct vnode *lvp = NULL;
--- 258,267 ----