LU-17193 build: fix gcc-12 compiler warnings

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

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index b6e673d..d71694c 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -778,9 +778,6 @@ AC_DEFUN([LC_SRC_VFS_RENAME_5ARGS], [
                #include <linux/fs.h>
        ],[
                vfs_rename(NULL, NULL, NULL, NULL, NULL);
-       ], [
-               AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
-                       [kernel has vfs_rename with 5 args])
        ])
 ])
 AC_DEFUN([LC_VFS_RENAME_5ARGS], [
@@ -3167,8 +3164,10 @@ AC_DEFUN([LC_SRC_HAVE_USER_NAMESPACE_ARG], [
        LB2_LINUX_TEST_SRC([inode_ops_has_user_namespace_argument], [
                #include <linux/fs.h>
        ],[
-               ((struct inode_operations *)1)->getattr((struct user_namespace *)NULL,
-                                                       NULL, NULL, 0, 0);
+               struct inode_operations *iops = NULL;
+               struct user_namespace *user_ns = NULL;
+
+               iops->getattr(user_ns, NULL, NULL, 0, 0);
        ],[-Werror])
 ])
 AC_DEFUN([LC_HAVE_USER_NAMESPACE_ARG], [
@@ -3189,19 +3188,21 @@ AC_DEFUN([LC_HAVE_USER_NAMESPACE_ARG], [
 # first few iterations, so don't commit to a particular signature
 # here.  Hopefully we will only want to support the final version.
 #
-AC_DEFUN([LC_HAVE_FILEATTR_GET], [
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_CHECK_COMPILE([if 'inode_operations' has fileattr_get (and fileattr_set)],
-fileattr_set, [
-       #include <linux/fs.h>
-],[
-       ((struct inode_operations *)1)->fileattr_get(NULL, NULL);
-],[
-       AC_DEFINE(HAVE_FILEATTR_GET, 1,
-               ['inode_operations' has fileattr_get and fileattr_set])
+AC_DEFUN([LC_SRC_HAVE_FILEATTR_GET], [
+       LB2_LINUX_TEST_SRC([fileattr_set], [
+               #include <linux/fs.h>
+       ],[
+               struct inode_operations *iops = NULL;
+               iops->fileattr_get(NULL, NULL);
+       ],[-Werror])
 ])
-EXTRA_KCFLAGS="$tmp_flags"
+AC_DEFUN([LC_HAVE_FILEATTR_GET], [
+       AC_MSG_CHECKING([if 'inode_operations' has fileattr_get (and fileattr_set)])
+       LB2_LINUX_TEST_RESULT([fileattr_set], [
+               AC_DEFINE(HAVE_FILEATTR_GET, 1,
+                       ['inode_operations' has fileattr_get and fileattr_set])
+       ])
+
 ]) # LC_HAVE_FILEATTR_GET
 
 # LC_HAVE_COPY_PAGE_FROM_ITER_ATOMIC
@@ -4194,6 +4195,7 @@ AC_DEFUN([LC_PROG_LINUX_SRC], [
 
        # 5.13
        LC_SRC_HAVE_COPY_PAGE_FROM_ITER_ATOMIC
+       LC_SRC_HAVE_FILEATTR_GET
 
        # 5.15
        LC_SRC_HAVE_GET_ACL_RCU_ARG