AS_IF([test -z "$LDISKFS_SERIES"], [
AS_IF([test x$RHEL_KERNEL = xyes], [
case $RHEL_RELEASE_NO in
+ 74) LDISKFS_SERIES="3.10-rhel7.4.series" ;;
73) LDISKFS_SERIES="3.10-rhel7.3.series" ;;
72) LDISKFS_SERIES="3.10-rhel7.2.series" ;;
71) LDISKFS_SERIES="3.10-rhel7.series" ;;