LU-16508 netlink: resv_start_op for [lnet|lustre]_family

[fs/lustre-release.git] / lustre / autoconf / lustre-core.m4

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 7280e58..fa8f8b1 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -2692,6 +2692,30 @@ AC_DEFUN([LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK], [
 ]) # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
 
 #
+# LC_GENL_FAMILY_HAS_RESV_START_OP
+#
+# Linux v5.0-11693-g3b0f31f2b8c9
+#   genetlink: make policy common to family
+#
+AC_DEFUN([LC_SRC_GENL_FAMILY_HAS_RESV_START_OP], [
+       LB2_LINUX_TEST_SRC([genl_family_has_resv_start_op], [
+               #include <net/genetlink.h>
+       ],[
+               static const struct genl_family family = {
+                       .resv_start_op = 42,
+               };
+               (void)family;
+       ],[-Werror])
+])
+AC_DEFUN([LC_GENL_FAMILY_HAS_RESV_START_OP], [
+       AC_MSG_CHECKING([if struct genl_family has resv_start_op member])
+       LB2_LINUX_TEST_RESULT([genl_family_has_resv_start_op], [
+               AC_DEFINE(GENL_FAMILY_HAS_RESV_START_OP, 1,
+                       [struct genl_family has resv_start_op member])
+       ])
+]) # LC_GENL_FAMILY_HAS_RESV_START_OP
+
+#
 # LC_HAVE_BVEC_ITER_ALL
 #
 # kernel 5.1 commit 6dc4f100c175dd0511ae8674786e7c9006cdfbfa
@@ -3786,6 +3810,9 @@ AC_DEFUN([LC_PROG_LINUX_SRC], [
        LC_SRC_UAPI_LINUX_MOUNT_H
        LC_SRC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
 
+       # 5.0
+       LC_SRC_GENL_FAMILY_HAS_RESV_START_OP
+
        # 5.1
        LC_SRC_HAVE_BVEC_ITER_ALL
 
@@ -4033,6 +4060,9 @@ AC_DEFUN([LC_PROG_LINUX_RESULTS], [
        LC_UAPI_LINUX_MOUNT_H
        LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
 
+       # 5.0
+       LC_GENL_FAMILY_HAS_RESV_START_OP
+
        # 5.1
        LC_HAVE_BVEC_ITER_ALL