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From f105da1e0b15cdded39ad0a96501aace13e3bd6b Mon Sep 17 00:00:00 2001
From: Stefan Hajnoczi <stefanha@redhat.com>
Date: Fri, 22 Dec 2017 11:08:44 +0100
Subject: [PATCH 26/42] qom: provide root container for internal objs
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RH-Author: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: <20171222110900.24813-5-stefanha@redhat.com>
Patchwork-id: 78486
O-Subject: [RHV7.5 qemu-kvm-rhev PATCH 04/20] qom: provide root container for internal objs
Bugzilla: 1519721
RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>

From: Peter Xu <peterx@redhat.com>

We have object_get_objects_root() to keep user created objects, however
no place for objects that will be used internally.  Create such a
container for internal objects.

CC: Andreas Färber <afaerber@suse.de>
CC: Markus Armbruster <armbru@redhat.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
Suggested-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 20170928025958.1420-2-peterx@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
(cherry picked from commit 7c47c4ead75d0b733ee8f2f51fd1de0644cc1308)
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 include/qom/object.h | 11 +++++++++++
 qom/object.c         | 11 +++++++++++
 2 files changed, 22 insertions(+)

diff --git a/include/qom/object.h b/include/qom/object.h
index 1b82899..dde5086 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -1214,6 +1214,17 @@ Object *object_get_root(void);
 Object *object_get_objects_root(void);
 
 /**
+ * object_get_internal_root:
+ *
+ * Get the container object that holds internally used object
+ * instances.  Any object which is put into this container must not be
+ * user visible, and it will not be exposed in the QOM tree.
+ *
+ * Returns: the internal object container
+ */
+Object *object_get_internal_root(void);
+
+/**
  * object_get_canonical_path_component:
  *
  * Returns: The final component in the object's canonical path.  The canonical
diff --git a/qom/object.c b/qom/object.c
index fe6e744..4e4b2f7 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -1370,6 +1370,17 @@ Object *object_get_objects_root(void)
     return container_get(object_get_root(), "/objects");
 }
 
+Object *object_get_internal_root(void)
+{
+    static Object *internal_root;
+
+    if (!internal_root) {
+        internal_root = object_new("container");
+    }
+
+    return internal_root;
+}
+
 static void object_get_child_property(Object *obj, Visitor *v,
                                       const char *name, void *opaque,
                                       Error **errp)
-- 
1.8.3.1