[PATCH V5 04/12] vhost: take worker or vq instead of dev for flushing

[Mike Christie <michael.christie@xxxxxxxxxx>]

This patch has the core work flush function take a worker for when we
support multiple workers.

Signed-off-by: Mike Christie <michael.christie@xxxxxxxxxx>
---
 drivers/vhost/vhost.c | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 86192e1658af..e5f5acc7e648 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -246,6 +246,20 @@ static void vhost_work_queue_on(struct vhost_worker *worker,
 	}
 }
 
+static void vhost_work_flush_on(struct vhost_worker *worker)
+{
+	struct vhost_flush_struct flush;
+
+	if (!worker)
+		return;
+
+	init_completion(&flush.wait_event);
+	vhost_work_init(&flush.work, vhost_flush_work);
+
+	vhost_work_queue_on(worker, &flush.work);
+	wait_for_completion(&flush.wait_event);
+}
+
 void vhost_work_queue(struct vhost_dev *dev, struct vhost_work *work)
 {
 	vhost_work_queue_on(dev->worker, work);
@@ -260,15 +274,7 @@ EXPORT_SYMBOL_GPL(vhost_vq_work_queue);
 
 void vhost_work_dev_flush(struct vhost_dev *dev)
 {
-	struct vhost_flush_struct flush;
-
-	if (dev->worker) {
-		init_completion(&flush.wait_event);
-		vhost_work_init(&flush.work, vhost_flush_work);
-
-		vhost_work_queue(dev, &flush.work);
-		wait_for_completion(&flush.wait_event);
-	}
+	vhost_work_flush_on(dev->worker);
 }
 EXPORT_SYMBOL_GPL(vhost_work_dev_flush);
 
-- 
2.25.1