Fix zpool_read_label()

[zfs.git] / config / kernel-rq-is_sync.m4

diff --git a/config/kernel-rq-is_sync.m4 b/config/kernel-rq-is_sync.m4
index 40d0de8..f6f51c8 100644 (file)
--- a/config/kernel-rq-is_sync.m4
+++ b/config/kernel-rq-is_sync.m4
@@ -3,6 +3,8 @@ dnl # 2.6.x API change
 dnl #
 AC_DEFUN([ZFS_AC_KERNEL_RQ_IS_SYNC], [
        AC_MSG_CHECKING([whether rq_is_sync() is available])
+       tmp_flags="$EXTRA_KCFLAGS"
+       EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}"
        ZFS_LINUX_TRY_COMPILE([
                #include <linux/blkdev.h>
        ],[
@@ -15,4 +17,5 @@ AC_DEFUN([ZFS_AC_KERNEL_RQ_IS_SYNC], [
        ],[
                AC_MSG_RESULT(no)
        ])
+       EXTRA_KCFLAGS="$tmp_flags"
 ])