AS_IF([test -z "$LDISKFS_SERIES"], [
AS_IF([test x$RHEL_KERNEL = xyes], [
case $RHEL_RELEASE_NO in
+ 82) LDISKFS_SERIES="4.18-rhel8.2.series" ;;
81) LDISKFS_SERIES="4.18-rhel8.1.series" ;;
80) LDISKFS_SERIES="4.18-rhel8.series" ;;
78) LDISKFS_SERIES="3.10-rhel7.8.series" ;;