NEX-3729 KRRP changes mess up iostat(1M)
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>

*** 78,87 ****
--- 78,88 ----
                  case IODEV_CONTROLLER: return (0);
                  case IODEV_IOPATH_LT: return (0);
                  case IODEV_IOPATH_LI: return (0);
                  case IODEV_NFS: return (0);
                  case IODEV_TAPE: return (0);
+                 case IODEV_ZFS: return (0);
                  case IODEV_IOPATH_LTI: return (IODEV_DISK);
                  case IODEV_DISK: return (IODEV_CONTROLLER);
                  case IODEV_PARTITION: return (IODEV_DISK);
          }
          return (IODEV_UNKNOWN);
*** 676,685 ****
--- 677,688 ----
                  return (IODEV_NFS);
          if (strcmp(ksp->ks_class, "iopath") == 0)
                  return (IODEV_IOPATH_LTI);
          if (strcmp(ksp->ks_class, "tape") == 0)
                  return (IODEV_TAPE);
+         if (strcmp(ksp->ks_class, "zfs") == 0)
+                 return (IODEV_ZFS);
          return (IODEV_UNKNOWN);
  }
  
  /* get the lun/target/initiator from the name, return 1 on success */
  static int