From: Peter Krempa <pkrempa@redhat.com>
Date: Wed, 15 Jul 2020 10:36:50 +0000 (+0200)
Subject: qemuDomainDiskLookupByNodename: Look also for 'mirror' node names
X-Git-Tag: v6.6.0-rc1~42
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=41c6939660d38597bda0475eacccd3980607ac17;p=thirdparty%2Flibvirt.git

qemuDomainDiskLookupByNodename: Look also for 'mirror' node names

When doing a block copy, there is another chain of images attached to a
disk. Consider them as well when looking up a disk using nodename.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
---

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 2f3cfd6988..dc17fa093d 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -11608,6 +11608,14 @@ qemuDomainDiskLookupByNodename(virDomainDefPtr def,
 
             return def->disks[i];
         }
+
+        if (def->disks[i]->mirror &&
+            (tmp = virStorageSourceFindByNodeName(def->disks[i]->mirror, nodename))) {
+            if (src)
+                *src = tmp;
+
+            return def->disks[i];
+        }
     }
 
     return NULL;