From b3df72c4dd1a35e4e2ac4eaa5e044e49084973c4 Mon Sep 17 00:00:00 2001
From: John Ferlan <jferlan@redhat.com>
Date: Tue, 24 Nov 2015 09:23:46 -0500
Subject: [PATCH] storage: Add debug message

I found this useful while processing a volume that wouldn't end up
showing up in the resulting list of block volumes. In this case, the
partition type wasn't found in the disk_types table.
---
 src/storage/storage_backend.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/storage/storage_backend.c b/src/storage/storage_backend.c
index c29b162344..6915b8a10b 100644
--- a/src/storage/storage_backend.c
+++ b/src/storage/storage_backend.c
@@ -1444,6 +1444,10 @@ virStorageBackendDetectBlockVolFormatFD(virStorageSourcePtr target,
         }
     }
 
+    if (target->format == VIR_STORAGE_POOL_DISK_UNKNOWN)
+        VIR_DEBUG("cannot determine the target format for '%s'",
+                  target->path);
+
     return 0;
 }
 
-- 
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