From 7547ed12975fc3ac94fdbdac68b1a2bd85e806a5 Mon Sep 17 00:00:00 2001
From: Peter Krempa <pkrempa@redhat.com>
Date: Tue, 26 Sep 2017 14:00:57 +0200
Subject: [PATCH] conf: Make backing store index optional

Index will remain an internal property even if we allow backing store
parsing from the XML, so we need to allow backing store without it in
the schema.
---
 docs/schemas/domaincommon.rng | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index 4dbda6932d..874af3ffa3 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -1415,9 +1415,11 @@
 
   <define name="diskBackingStore">
     <element name="backingStore">
-      <attribute name="index">
-        <ref name="positiveInteger"/>
-      </attribute>
+      <optional>
+        <attribute name="index">
+          <ref name="positiveInteger"/>
+        </attribute>
+      </optional>
       <interleave>
         <ref name="diskSource"/>
         <ref name="diskBackingChain"/>
-- 
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