X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=config%2Fkernel-d-make-root.m4;h=9c2b73dcbf5912682bd6d4f3c535b074b667ccdd;hb=1a33036df9de8f95aea38ec0d9e483106d1abaa4;hp=fd2c52d74a4024700d86485716cd10a5b53e7008;hpb=6a0936babc14a44986265a12f206c41999bd48c3;p=zfs.git

diff --git a/config/kernel-d-make-root.m4 b/config/kernel-d-make-root.m4
index fd2c52d..9c2b73d 100644
--- a/config/kernel-d-make-root.m4
+++ b/config/kernel-d-make-root.m4
@@ -2,11 +2,16 @@ dnl #
 dnl # 3.4.0 API change
 dnl # Added d_make_root() to replace previous d_alloc_root() function.
 dnl #
-AC_DEFUN([ZFS_AC_KERNEL_D_MAKE_ROOT], [
-	ZFS_CHECK_SYMBOL_EXPORT(
-		[d_make_root],
-		[fs/dcache.c],
-		[AC_DEFINE(HAVE_D_MAKE_ROOT, 1,
-		[d_make_root() is available])],
-		[])
+AC_DEFUN([ZFS_AC_KERNEL_D_MAKE_ROOT],
+	[AC_MSG_CHECKING([whether d_make_root() is available])
+	ZFS_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/dcache.h>
+	], [
+		d_make_root(NULL);
+	], [d_make_root], [fs/dcache.c], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_D_MAKE_ROOT, 1, [d_make_root() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])