From 3535f88d16fe3a10f2d4fb4aa4e5b542c7c835ba Mon Sep 17 00:00:00 2001
From: Marcus Sorensen <marcus@betterservers.com>
Date: Tue, 5 Feb 2013 12:39:36 -0700
Subject: [PATCH] Summary: Disallow shrinking volume type QCOW2 to fail with
 better message

Signed-off-by: Marcus Sorensen <marcus@betterservers.com> 1360093176 -0700
---
 .../cloud/hypervisor/kvm/resource/LibvirtComputingResource.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java b/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
index d3a4a229b49..88c3aff6fab 100755
--- a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
+++ b/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
@@ -1429,6 +1429,8 @@ ServerResource {
             if (type == null) {
                 return new ResizeVolumeAnswer(cmd, false, "Unsupported volume format: pool type '" 
                                 + pool.getType() + "' and volume format '" + vol.getFormat() + "'");
+            } else if (type.equals("QCOW2") && shrinkOk) {
+                return new ResizeVolumeAnswer(cmd, false, "Unable to shrink volumes of type " + type);
             }
 
             s_logger.debug("got to the stage where we execute the volume resize, params:"