PSARC 2008/290 lofi mount
6384817 Need persistent lofi based mounts and direct mount(1m) support for lofi

*** 17,27 ****
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
!  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*
   * lofiadm - administer lofi(7d). Very simple, add and remove file<->device
--- 17,27 ----
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
!  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*
   * lofiadm - administer lofi(7d). Very simple, add and remove file<->device
*** 28,38 ****
   * associations, and display status. All the ioctls are private between
   * lofi and lofiadm, and so are very simple - device information is
   * communicated via a minor number.
   */
  
! #pragma ident   "@(#)main.c     1.8     07/12/18 SMI"
  
  #include <sys/types.h>
  #include <sys/param.h>
  #include <sys/lofi.h>
  #include <sys/stat.h>
--- 28,38 ----
   * associations, and display status. All the ioctls are private between
   * lofi and lofiadm, and so are very simple - device information is
   * communicated via a minor number.
   */
  
! #pragma ident   "@(#)main.c     1.9     08/05/07 SMI"
  
  #include <sys/types.h>
  #include <sys/param.h>
  #include <sys/lofi.h>
  #include <sys/stat.h>
*** 302,311 ****
--- 302,313 ----
      boolean_t force)
  {
          struct lofi_ioctl li;
  
          li.li_force = force;
+         li.li_cleanup = 0;
+ 
          if (devicename == NULL) {
                  /* delete by filename */
                  (void) strlcpy(li.li_filename, filename,
                      sizeof (li.li_filename));
                  li.li_minor = 0;