vhost: Remove vhost_vq_flush

vhost_vq_flush is no longer used so remove it.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <20240316004707.45557-5-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

drivers/vhost/vhost.c

@@ -263,18 +263,6 @@ bool vhost_vq_work_queue(struct vhost_virtqueue *vq, struct vhost_work *work)
 }
 EXPORT_SYMBOL_GPL(vhost_vq_work_queue);
 
-void vhost_vq_flush(struct vhost_virtqueue *vq)
-{
-	struct vhost_flush_struct flush;
-
-	init_completion(&flush.wait_event);
-	vhost_work_init(&flush.work, vhost_flush_work);
-
-	if (vhost_vq_work_queue(vq, &flush.work))
-		wait_for_completion(&flush.wait_event);
-}
-EXPORT_SYMBOL_GPL(vhost_vq_flush);
-
 /**
  * vhost_worker_flush - flush a worker
  * @worker: worker to flush

drivers/vhost/vhost.h

@@ -205,7 +205,6 @@ int vhost_get_vq_desc(struct vhost_virtqueue *,
 		      struct vhost_log *log, unsigned int *log_num);
 void vhost_discard_vq_desc(struct vhost_virtqueue *, int n);
 
-void vhost_vq_flush(struct vhost_virtqueue *vq);
 bool vhost_vq_work_queue(struct vhost_virtqueue *vq, struct vhost_work *work);
 bool vhost_vq_has_work(struct vhost_virtqueue *vq);
 bool vhost_vq_is_setup(struct vhost_virtqueue *vq);