X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=config%2Fkernel-open-bdev-exclusive.m4;h=0661315a610febf0934885791de6ca0243ac37ea;hb=refs%2Fheads%2Frertzinger%2Ffeature-zpool-get--p;hp=734b2134cc43d747cfb5dc63e5a404ea4cf39e15;hpb=c9c0d073da561bcbefbdf09c87fc75b227415619;p=zfs.git

diff --git a/config/kernel-open-bdev-exclusive.m4 b/config/kernel-open-bdev-exclusive.m4
index 734b213..0661315 100644
--- a/config/kernel-open-bdev-exclusive.m4
+++ b/config/kernel-open-bdev-exclusive.m4
@@ -2,11 +2,17 @@ dnl #
 dnl # 2.6.28 API change
 dnl # open/close_bdev_excl() renamed to open/close_bdev_exclusive()
 dnl #
-AC_DEFUN([ZFS_AC_KERNEL_OPEN_BDEV_EXCLUSIVE], [
-	ZFS_CHECK_SYMBOL_EXPORT(
-		[open_bdev_exclusive],
-		[fs/block_dev.c],
-		[AC_DEFINE(HAVE_OPEN_BDEV_EXCLUSIVE, 1,
-		[open_bdev_exclusive() is available])],
-		[])
+AC_DEFUN([ZFS_AC_KERNEL_OPEN_BDEV_EXCLUSIVE],
+	[AC_MSG_CHECKING([whether open_bdev_exclusive() is available])
+	ZFS_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/fs.h>
+	], [
+		open_bdev_exclusive(NULL, 0, NULL);
+	], [open_bdev_exclusive], [fs/block_dev.c], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_OPEN_BDEV_EXCLUSIVE, 1,
+		          [open_bdev_exclusive() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])