qemu: add private data to virDomainFSDef

Wire up the allocation and disposal of private data.
Signed-off-by: NJán Tomko <jtomko@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>

src/qemu/qemu_domain.c

@@ -1407,6 +1407,43 @@ qemuDomainNetworkPrivateDispose(void *obj G_GNUC_UNUSED)
 }
 
 
+static virClassPtr qemuDomainFSPrivateClass;
+static void qemuDomainFSPrivateDispose(void *obj);
+
+
+static int
+qemuDomainFSPrivateOnceInit(void)
+{
+    if (!VIR_CLASS_NEW(qemuDomainFSPrivate, virClassForObject()))
+        return -1;
+
+    return 0;
+}
+
+
+VIR_ONCE_GLOBAL_INIT(qemuDomainFSPrivate);
+
+
+static virObjectPtr
+qemuDomainFSPrivateNew(void)
+{
+    qemuDomainFSPrivatePtr priv;
+
+    if (qemuDomainFSPrivateInitialize() < 0)
+        return NULL;
+
+    if (!(priv = virObjectNew(qemuDomainFSPrivateClass)))
+        return NULL;
+
+    return (virObjectPtr) priv;
+}
+
+
+static void
+qemuDomainFSPrivateDispose(void *obj G_GNUC_UNUSED)
+{
+}
+
 static virClassPtr qemuDomainVideoPrivateClass;
 static void qemuDomainVideoPrivateDispose(void *obj);
 
@@ -3865,6 +3902,7 @@ virDomainXMLPrivateDataCallbacks virQEMUDriverPrivateDataCallbacks = {
     .graphicsNew = qemuDomainGraphicsPrivateNew,
     .networkNew = qemuDomainNetworkPrivateNew,
     .videoNew = qemuDomainVideoPrivateNew,
+    .fsNew = qemuDomainFSPrivateNew,
     .parse = qemuDomainObjPrivateXMLParse,
     .format = qemuDomainObjPrivateXMLFormat,
     .getParseOpaque = qemuDomainObjPrivateXMLGetParseOpaque,

src/qemu/qemu_domain.h

@@ -560,6 +560,18 @@ struct _qemuDomainNetworkPrivate {
 };
 
 
+#define QEMU_DOMAIN_FS_PRIVATE(dev) \
+    ((qemuDomainFSPrivatePtr) (dev)->privateData)
+
+typedef struct _qemuDomainFSPrivate qemuDomainFSPrivate;
+typedef qemuDomainFSPrivate *qemuDomainFSPrivatePtr;
+struct _qemuDomainFSPrivate {
+    virObject parent;
+
+    int dummy;
+};
+
+
 typedef enum {
     QEMU_PROCESS_EVENT_WATCHDOG = 0,
     QEMU_PROCESS_EVENT_GUESTPANIC,