From e14fb91312b27754aa30e78d4bb4ad5cb183b646 Mon Sep 17 00:00:00 2001
From: Fam Zheng <famz@redhat.com>
Date: Wed, 4 Dec 2013 09:07:01 +0800
Subject: [PATCH] qemu-iotests: Change default cache mode to "writeback"

So that the tests can run faster.

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 tests/qemu-iotests/common | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/qemu-iotests/common b/tests/qemu-iotests/common
index 4743c9e007..b2a0944ae0 100644
--- a/tests/qemu-iotests/common
+++ b/tests/qemu-iotests/common
@@ -49,7 +49,7 @@ export IMGFMT=raw
 export IMGFMT_GENERIC=true
 export IMGPROTO=file
 export IMGOPTS=""
-export CACHEMODE="writethrough"
+export CACHEMODE="writeback"
 export QEMU_IO_OPTIONS=""
 export CACHEMODE_IS_DEFAULT=true