linux-kernel - [PATCH V6 09/19] virtio_ring: use vring_virtqueue for enable_cb

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Message-ID: <20250919073154.49278-10-jasowang@redhat.com>
Date: Fri, 19 Sep 2025 15:31:44 +0800
From: Jason Wang <jasowang@...hat.com>
To: mst@...hat.com,
	jasowang@...hat.com,
	xuanzhuo@...ux.alibaba.com,
	eperezma@...hat.com,
	virtualization@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH V6 09/19] virtio_ring: use vring_virtqueue for enable_cb_delayed variants

Those variants are used internally so let's switch to use
vring_virtqueue as parameter to be consistent with other internal
virtqueue helpers.

Acked-by: Eugenio Pérez <eperezma@...hat.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Signed-off-by: Jason Wang <jasowang@...hat.com>
---
 drivers/virtio/virtio_ring.c | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index cb013af446f9..4cf98767af0f 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -921,9 +921,8 @@ static unsigned int virtqueue_enable_cb_prepare_split(struct vring_virtqueue *vq
 	return last_used_idx;
 }
 
-static bool virtqueue_enable_cb_delayed_split(struct virtqueue *_vq)
+static bool virtqueue_enable_cb_delayed_split(struct vring_virtqueue *vq)
 {
-	struct vring_virtqueue *vq = to_vvq(_vq);
 	u16 bufs;
 
 	START_USE(vq);
@@ -937,7 +936,7 @@ static bool virtqueue_enable_cb_delayed_split(struct virtqueue *_vq)
 		vq->split.avail_flags_shadow &= ~VRING_AVAIL_F_NO_INTERRUPT;
 		if (!vq->event)
 			vq->split.vring.avail->flags =
-				cpu_to_virtio16(_vq->vdev,
+				cpu_to_virtio16(vq->vq.vdev,
 						vq->split.avail_flags_shadow);
 	}
 	/* TODO: tune this threshold */
@@ -945,9 +944,9 @@ static bool virtqueue_enable_cb_delayed_split(struct virtqueue *_vq)
 
 	virtio_store_mb(vq->weak_barriers,
 			&vring_used_event(&vq->split.vring),
-			cpu_to_virtio16(_vq->vdev, vq->last_used_idx + bufs));
+			cpu_to_virtio16(vq->vq.vdev, vq->last_used_idx + bufs));
 
-	if (unlikely((u16)(virtio16_to_cpu(_vq->vdev, vq->split.vring.used->idx)
+	if (unlikely((u16)(virtio16_to_cpu(vq->vq.vdev, vq->split.vring.used->idx)
 					- vq->last_used_idx) > bufs)) {
 		END_USE(vq);
 		return false;
@@ -1836,9 +1835,8 @@ static unsigned int virtqueue_enable_cb_prepare_packed(struct vring_virtqueue *v
 	return vq->last_used_idx;
 }
 
-static bool virtqueue_enable_cb_delayed_packed(struct virtqueue *_vq)
+static bool virtqueue_enable_cb_delayed_packed(struct vring_virtqueue *vq)
 {
-	struct vring_virtqueue *vq = to_vvq(_vq);
 	u16 used_idx, wrap_counter, last_used_idx;
 	u16 bufs;
 
@@ -2634,8 +2632,8 @@ bool virtqueue_enable_cb_delayed(struct virtqueue *_vq)
 	if (vq->event_triggered)
 		data_race(vq->event_triggered = false);
 
-	return vq->packed_ring ? virtqueue_enable_cb_delayed_packed(_vq) :
-				 virtqueue_enable_cb_delayed_split(_vq);
+	return vq->packed_ring ? virtqueue_enable_cb_delayed_packed(vq) :
+				 virtqueue_enable_cb_delayed_split(vq);
 }
 EXPORT_SYMBOL_GPL(virtqueue_enable_cb_delayed);
 
-- 
2.31.1