AS_IF([test -z "$LDISKFS_SERIES"], [
AS_IF([test x$RHEL_KERNEL = xyes], [
case $RHEL_RELEASE_NO in
+ 76) LDISKFS_SERIES="3.10-rhel7.6.series" ;;
75) LDISKFS_SERIES="3.10-rhel7.5.series" ;;
74) LDISKFS_SERIES="3.10-rhel7.4.series" ;;
73) LDISKFS_SERIES="3.10-rhel7.3.series" ;;