LU-9183 ptlrpc: handle posix_acl: xattr representation cleanups

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

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 9a89cae..46d2ca8 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -2446,6 +2446,27 @@ group_info_gid, [
 ]) # LC_GROUP_INFO_GID
 
 #
+# LC_STRUCT_POSIX_ACL_XATTR
+#
+# Kernel version 4.8 commit 2211d5ba5c6c4e972ba6dbc912b2897425ea6621
+# posix_acl: xattr representation cleanups
+#
+AC_DEFUN([LC_STRUCT_POSIX_ACL_XATTR], [
+LB_CHECK_COMPILE([if 'struct posix_acl_xattr_{header,entry}' defined],
+struct_posix_acl_xattr, [
+       #include <linux/fs.h>
+       #include <linux/posix_acl_xattr.h>
+],[
+       struct posix_acl_xattr_header *h = NULL;
+       struct posix_acl_xattr_entry  *e;
+       e = (void *)(h + 1);
+],[
+       AC_DEFINE(HAVE_STRUCT_POSIX_ACL_XATTR, 1,
+               [struct posix_acl_xattr_{header,entry} defined])
+])
+]) # LC_STRUCT_POSIX_ACL_XATTR
+
+#
 # LC_PROG_LINUX
 #
 # Lustre linux kernel checks
@@ -2644,6 +2665,7 @@ AC_DEFUN([LC_PROG_LINUX], [
        LC_HAVE_POSIX_ACL_VALID_USER_NS
        LC_D_COMPARE_4ARGS
        LC_FULL_NAME_HASH_3ARGS
+       LC_STRUCT_POSIX_ACL_XATTR
 
        # 4.9
        LC_GROUP_INFO_GID