KVM-test: Add new drive option 'werror'

Add new drive option 'werror' of qemu-kvm command for KVM-autotest workframe.
It can be configured by 'drive_werror' variable in configure file.

Signed-off-by: Amos Kong <akong@redhat.com>


git-svn-id: http://test.kernel.org/svn/autotest/trunk@4149 592f7852-d20e-0410-864c-8624ca9c26a4
diff --git a/client/tests/kvm/kvm_vm.py b/client/tests/kvm/kvm_vm.py
index 5383744..6731927 100755
--- a/client/tests/kvm/kvm_vm.py
+++ b/client/tests/kvm/kvm_vm.py
@@ -221,6 +221,8 @@
                 qemu_cmd += ",if=%s" % image_params.get("drive_format")
             if image_params.get("drive_cache"):
                 qemu_cmd += ",cache=%s" % image_params.get("drive_cache")
+            if image_params.get("drive_werror"):
+                qemu_cmd += ",werror=%s" % image_params.get("drive_werror")
             if image_params.get("drive_serial"):
                 qemu_cmd += ",serial=%s" % image_params.get("drive_serial")
             if image_params.get("image_snapshot") == "yes":