X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=config%2Fkernel-check-disk-size-change.m4;h=ea5c75f39f2078740add085f39622d5e99fff87d;hb=705741827ab55e7d92c3eb74f332a5ddd24971b5;hp=1a730c0c5715c43d33f8e1b4544a07afffaaffeb;hpb=fc88a6dda92a4fc00491a8afa24d144cc94063e4;p=zfs.git

diff --git a/config/kernel-check-disk-size-change.m4 b/config/kernel-check-disk-size-change.m4
index 1a730c0..ea5c75f 100644
--- a/config/kernel-check-disk-size-change.m4
+++ b/config/kernel-check-disk-size-change.m4
@@ -2,11 +2,17 @@ dnl #
 dnl # 2.6.28 API change
 dnl # Added check_disk_size_change() helper function.
 dnl #
-AC_DEFUN([ZFS_AC_KERNEL_CHECK_DISK_SIZE_CHANGE], [
-	ZFS_CHECK_SYMBOL_EXPORT(
-		[check_disk_size_change],
-		[fs/block_dev.c],
-		[AC_DEFINE(HAVE_CHECK_DISK_SIZE_CHANGE, 1,
-		[check_disk_size_change() is available])],
-		[])
+AC_DEFUN([ZFS_AC_KERNEL_CHECK_DISK_SIZE_CHANGE],
+	[AC_MSG_CHECKING([whether check_disk_size_change() is available])
+	ZFS_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/fs.h>
+	], [
+		check_disk_size_change(NULL, NULL);
+	], [check_disk_size_change], [fs/block_dev.c], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_CHECK_DISK_SIZE_CHANGE, 1,
+		          [check_disk_size_change() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])