Index: virt-manager-0.10.0/virtinst/VirtualDisk.py
===================================================================
--- virt-manager-0.10.0.orig/virtinst/VirtualDisk.py
+++ virt-manager-0.10.0/virtinst/VirtualDisk.py
@@ -312,10 +312,13 @@ class VirtualDisk(VirtualDevice):
     driver_types = [DRIVER_TAP_RAW, DRIVER_TAP_QCOW,
         DRIVER_TAP_QED, DRIVER_TAP_VMDK, DRIVER_TAP_VDISK]
 
+    CACHE_MODE_DIRECTSYNC = "directsync"
     CACHE_MODE_NONE = "none"
+    CACHE_MODE_UNSAFE = "unsafe"
     CACHE_MODE_WRITETHROUGH = "writethrough"
     CACHE_MODE_WRITEBACK = "writeback"
-    cache_types = [CACHE_MODE_NONE, CACHE_MODE_WRITETHROUGH,
+    cache_types = [CACHE_MODE_DIRECTSYNC, CACHE_MODE_NONE,
+        CACHE_MODE_UNSAFE, CACHE_MODE_WRITETHROUGH,
         CACHE_MODE_WRITEBACK]
 
     DEVICE_DISK = "disk"
@@ -599,7 +602,7 @@ class VirtualDisk(VirtualDevice):
         @type bus: C{str}
         @param shareable: If disk can be shared among VMs
         @type shareable: C{bool}
-        @param driverCache: Disk cache mode (none, writethrough, writeback)
+        @param driverCache: Disk cache mode (none, directsync, unsafe, writethrough, writeback)
         @type driverCache: member of cache_types
         @param format: Storage volume format to use when creating storage
         @type format: C{str}