static void mount_callback_data_notify ( gpointer data , GObject * object ) {
 GMountOperation * mount_op ;
 mount_op = G_MOUNT_OPERATION ( data ) ;
 g_object_set_data ( G_OBJECT ( mount_op ) , "mount-callback" , NULL ) ;
 g_object_set_data ( G_OBJECT ( mount_op ) , "mount-callback-data" , NULL ) ;
 }
static void mount_callback_data_notify ( gpointer data , GObject * object ) {
 GMountOperation * mount_op ;
 mount_op = G_MOUNT_OPERATION ( data ) ;
 g_object_set_data ( G_OBJECT ( mount_op ) , "mount-callback" , NULL ) ;
 g_object_set_data ( G_OBJECT ( mount_op ) , "mount-callback-data" , NULL ) ;
 }