LU-14478 ldiskfs: support Ubuntu 20.04.1 kernel 5.4.0-66

[fs/lustre-release.git] / config / lustre-build-ldiskfs.m4

diff --git a/config/lustre-build-ldiskfs.m4 b/config/lustre-build-ldiskfs.m4
index 74fdbf3..dd05fcc 100644 (file)
--- a/config/lustre-build-ldiskfs.m4
+++ b/config/lustre-build-ldiskfs.m4
@@ -82,7 +82,18 @@ AS_IF([test x$RHEL_KERNEL = xyes], [
        [LDISKFS_SERIES="5.0.0-13-ubuntu19.series"],
        [LDISKFS_SERIES="5.0.0-13-ubuntu19.series"])],
        [LDISKFS_SERIES="5.4.0-42-ubuntu20.series"],
-       [LDISKFS_SERIES="5.4.0-42-ubuntu20.series"],
+       [
+               KPLEV=$(echo $LINUXRELEASE | cut -d'-' -f2)
+               AS_IF(
+                       [test -z "$KPLEV"], [
+                               AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
+                               LDISKFS_SERIES="5.4.0-66-ubuntu20.series"
+                       ],
+                       [test $KPLEV -ge 66], [LDISKFS_SERIES="5.4.0-66-ubuntu20.series"],
+                       [test $KPLEV -ge 26], [LDISKFS_SERIES="5.4.0-42-ubuntu20.series"],
+                       [LDISKFS_SERIES="5.4.0-42-ubuntu20.series"]
+               )
+       ],
        [LDISKFS_SERIES="5.4.0-ml.series"])
 ])
 ])