[Xen-devel] [PATCH] xend: fix BlktapController's device creation

["Ryan O'Connor" <rjo@xxxxxxxxx>]

Reset BlktapController's device class back to 'tap' once the device has
been created. This fixes save/restore for VMs with blktap2 disks.

Signed-off-by: Ryan O'Connor <rjo@xxxxxxxxx>
Signed-off-by: Dutch Meyer <dmeyer@xxxxxxxxx>

diff -r 55ca7ef865b4 -r b3be5993ab7c 
tools/python/xen/xend/server/BlktapController.py
--- a/tools/python/xen/xend/server/BlktapController.py  Tue Jun 16 11:01:17 
2009 +0100
+++ b/tools/python/xen/xend/server/BlktapController.py  Thu Jun 18 17:05:47 
2009 -0700
@@ -149,6 +149,8 @@ class BlktapController(BlkifController):
         #modify the configuration to attach as a vbd, now that the
         #device is configured.  Then continue to create the device
         config.update({'uname' : 'phy:' + device.rstrip()})
+
         self.deviceClass='vbd'
-
-        return BlkifController.createDevice(self, config);
+        devid = BlkifController.createDevice(self, config)
+        self.deviceClass='tap'
+        return devid

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