LU-9183 ptlrpc: handle changes in struct group_info

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

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 395e1cc..7ad54f3 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -2427,6 +2427,25 @@ full_name_hash_3args, [
 ]) # LC_FULL_NAME_HASH_3ARGS
 
 #
+# LC_GROUP_INFO_GID
+#
+# Kernel version 4.9 commit 81243eacfa400f5f7b89f4c2323d0de9982bb0fb
+# cred: simpler, 1D supplementary groups
+#
+AC_DEFUN([LC_GROUP_INFO_GID], [
+LB_CHECK_COMPILE([if 'struct group_info' has member 'gid'],
+group_info_gid, [
+       #include <linux/cred.h>
+],[
+       kgid_t *p;
+       p = ((struct group_info *)0)->gid;
+],[
+       AC_DEFINE(HAVE_GROUP_INFO_GID, 1,
+               [struct group_info has member gid])
+])
+]) # LC_GROUP_INFO_GID
+
+#
 # LC_PROG_LINUX
 #
 # Lustre linux kernel checks
@@ -2626,6 +2645,9 @@ AC_DEFUN([LC_PROG_LINUX], [
        LC_D_COMPARE_4ARGS
        LC_FULL_NAME_HASH_3ARGS
 
+       # 4.9
+       LC_GROUP_INFO_GID
+
        #
        AS_IF([test "x$enable_server" != xno], [
                LC_FUNC_DEV_SET_RDONLY