6198 Let's EOL cachefs

*** 20,32 ****
   */
  
  /*
   * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
  
  /*
   * This program does the following:
   *
   * a) Returns:
--- 20,32 ----
   */
  
  /*
   * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
   */
  
  
  /*
   * This program does the following:
   *
   * a) Returns:
*** 34,44 ****
   *      !0      - if an error occurred.
   *
   * b) If the program is successful, it prints three tokens to
   *    stdout: <root fs type> <interface name> <net config strategy>.
   *    where:
!  *      <root fs type>          -       "nfs" or "ufs"
   *      <interface name>        -       "hme0" or "none"
   *      <net config strategy>   -       "dhcp", "rarp", "bootprops"
   *                                      or "none"
   *
   *    Eg:
--- 34,44 ----
   *      !0      - if an error occurred.
   *
   * b) If the program is successful, it prints three tokens to
   *    stdout: <root fs type> <interface name> <net config strategy>.
   *    where:
!  *      <root fs type>          -       "nfs", "ufs" or "zfs"
   *      <interface name>        -       "hme0" or "none"
   *      <net config strategy>   -       "dhcp", "rarp", "bootprops"
   *                                      or "none"
   *
   *    Eg:
*** 306,323 ****
          /*
           * We're not "nfs dhcp", "nfs none" is impossible, and we don't handle
           * "ufs rarp" (consumers are coded to deal with this reality), so
           * there are three possible situations:
           *
!          *      1. We're "ufs dhcp" if there are any interfaces which have
!          *         obtained their addresses through DHCP.  That is, if there
!          *         are any IFF_UP and non-IFF_VIRTUAL interfaces also have
!          *         IFF_DHCPRUNNING set.
           *
!          *      2. We're "ufs none" if our filesystem is local and there
!          *         are no interfaces which have obtained their addresses
!          *         through DHCP.
           *
           *      3. We're "nfs rarp" if our filesystem is remote and there's
           *         at least IFF_UP non-IFF_VIRTUAL interface (which there
           *         *must* be, since we're running over NFS somehow), then
           *         it must be RARP since SI_DHCP_CACHE call above failed.
--- 306,323 ----
          /*
           * We're not "nfs dhcp", "nfs none" is impossible, and we don't handle
           * "ufs rarp" (consumers are coded to deal with this reality), so
           * there are three possible situations:
           *
!          *      1. We're either "ufs dhcp" or "zfs dhcp" if there are any
!          *         interfaces which have obtained their addresses through DHCP.
!          *         That is, if there are any IFF_UP and non-IFF_VIRTUAL
!          *         interfaces also have IFF_DHCPRUNNING set.
           *
!          *      2. We're either "ufs none" or "zfs none" if our filesystem
!          *         is local and there are no interfaces which have obtained
!          *         their addresses through DHCP.
           *
           *      3. We're "nfs rarp" if our filesystem is remote and there's
           *         at least IFF_UP non-IFF_VIRTUAL interface (which there
           *         *must* be, since we're running over NFS somehow), then
           *         it must be RARP since SI_DHCP_CACHE call above failed.
*** 327,337 ****
          interface = get_first_interface(&dhcp_running);
  
          if (dhcp_running)
                  strategy = "dhcp";
  
!         if (strcmp(root, "nfs") == 0 || strcmp(root, "cachefs") == 0) {
                  if (interface == NULL) {
                          (void) fprintf(stderr,
                              "%s: cannot identify root interface.\n", program);
                          close_sockets();
                          return (2);
--- 327,337 ----
          interface = get_first_interface(&dhcp_running);
  
          if (dhcp_running)
                  strategy = "dhcp";
  
!         if (strcmp(root, "nfs") == 0) {
                  if (interface == NULL) {
                          (void) fprintf(stderr,
                              "%s: cannot identify root interface.\n", program);
                          close_sockets();
                          return (2);