diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 34f4d014ba..57b610c221 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -8558,3 +8558,25 @@ qemuDomainDiskLookupByNodename(virDomainDefPtr def,
 
     return NULL;
 }
+
+
+/**
+ * qemuDomainDiskBackingStoreGetName:
+ *
+ * Creates a name using the indexed syntax (vda[1])for the given backing store
+ * entry for a disk.
+ */
+char *
+qemuDomainDiskBackingStoreGetName(virDomainDiskDefPtr disk,
+                                  virStorageSourcePtr src ATTRIBUTE_UNUSED,
+                                  unsigned int idx)
+{
+    char *ret = NULL;
+
+    if (idx)
+        ignore_value(virAsprintf(&ret, "%s[%d]", disk->dst, idx));
+    else
+        ignore_value(VIR_STRDUP(ret, disk->dst));
+
+    return ret;
+}
diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h
index efdf393486..74d76a88cd 100644
--- a/src/qemu/qemu_domain.h
+++ b/src/qemu/qemu_domain.h
@@ -883,4 +883,8 @@ virDomainDiskDefPtr qemuDomainDiskLookupByNodename(virDomainDefPtr def,
                                                    virStorageSourcePtr *src,
                                                    unsigned int *idx);
 
+char *qemuDomainDiskBackingStoreGetName(virDomainDiskDefPtr disk,
+                                        virStorageSourcePtr src,
+                                        unsigned int idx);
+
 #endif /* __QEMU_DOMAIN_H__ */