X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=config%2Fkernel-truncate-setsize.m4;h=7e4aff479a90e0952888191c55eabd51a6bddc3e;hb=074e72953cb3229e270e384f4dabd6d05c836060;hp=d8b2b47bd7de4007dead8d1548206290bd0b6a54;hpb=b312979252c5b566d2f59febcda67f309637e18c;p=zfs.git

diff --git a/config/kernel-truncate-setsize.m4 b/config/kernel-truncate-setsize.m4
index d8b2b47..7e4aff4 100644
--- a/config/kernel-truncate-setsize.m4
+++ b/config/kernel-truncate-setsize.m4
@@ -2,11 +2,17 @@ dnl #
 dnl # 2.6.35 API change
 dnl # Added truncate_setsize() helper function.
 dnl #
-AC_DEFUN([ZFS_AC_KERNEL_TRUNCATE_SETSIZE], [
-	ZFS_CHECK_SYMBOL_EXPORT(
-		[truncate_setsize],
-		[mm/truncate.c],
-		[AC_DEFINE(HAVE_TRUNCATE_SETSIZE, 1,
-		[truncate_setsize() is available])],
-		[])
+AC_DEFUN([ZFS_AC_KERNEL_TRUNCATE_SETSIZE],
+	[AC_MSG_CHECKING([whether truncate_setsize() is available])
+	ZFS_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/mm.h>
+	], [
+		truncate_setsize(NULL, 0);
+	], [truncate_setsize], [mm/truncate.c], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_TRUNCATE_SETSIZE, 1,
+		          [truncate_setsize() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])