vdo_get_work_queue_owner
struct vdo_thread *thread = vdo_get_work_queue_owner(vdo_get_current_work_queue());
(vdo == vdo_get_work_queue_owner(current_work_queue)->vdo));
struct vdo_thread *vdo_get_work_queue_owner(struct vdo_work_queue *queue);
struct vdo_thread *thread = vdo_get_work_queue_owner(vdo_get_current_work_queue());
thread = vdo_get_work_queue_owner(queue);