X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=config%2Fkernel-d-obtain-alias.m4;h=2b4b11eccc1b906fa2110846baff15b9c08ef77b;hb=131cc95ca78b8552c13555d2cded791808008ff3;hp=d80a1c89c4467247cba4b2cc02c3e96af05cbed1;hpb=055656d4f4dfc1a85646a2c0cc10b9dce86da72b;p=zfs.git

diff --git a/config/kernel-d-obtain-alias.m4 b/config/kernel-d-obtain-alias.m4
index d80a1c8..2b4b11e 100644
--- a/config/kernel-d-obtain-alias.m4
+++ b/config/kernel-d-obtain-alias.m4
@@ -2,11 +2,17 @@ dnl #
 dnl # 2.6.28 API change
 dnl # Added d_obtain_alias() helper function.
 dnl #
-AC_DEFUN([ZFS_AC_KERNEL_D_OBTAIN_ALIAS], [
-	ZFS_CHECK_SYMBOL_EXPORT(
-		[d_obtain_alias],
-		[fs/dcache.c],
-		[AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1,
-		[d_obtain_alias() is available])],
-		[])
+AC_DEFUN([ZFS_AC_KERNEL_D_OBTAIN_ALIAS],
+	[AC_MSG_CHECKING([whether d_obtain_alias() is available])
+	ZFS_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/dcache.h>
+	], [
+		d_obtain_alias(NULL);
+	], [d_obtain_alias], [fs/dcache.c], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1,
+		          [d_obtain_alias() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])