12764 Holes prevent TRIM

*** 415,425 ****
              &child, &children);
  
          if (children == 0) {
                  char *path = zpool_vdev_name(g_zfs, zhp, nvroot, 0);
  
!                 if (strcmp(path, VDEV_TYPE_INDIRECT) != 0)
                          fnvlist_add_boolean(res, path);
  
                  free(path);
                  return;
          }
--- 415,426 ----
              &child, &children);
  
          if (children == 0) {
                  char *path = zpool_vdev_name(g_zfs, zhp, nvroot, 0);
  
!                 if (strcmp(path, VDEV_TYPE_INDIRECT) != 0 &&
!                     strcmp(path, VDEV_TYPE_HOLE) != 0)
                          fnvlist_add_boolean(res, path);
  
                  free(path);
                  return;
          }