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path: root/drivers/virtio/virtio_ring.c
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Diffstat (limited to 'drivers/virtio/virtio_ring.c')
-rw-r--r--drivers/virtio/virtio_ring.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 98374ed7c577..0112742e4504 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -2716,6 +2716,7 @@ EXPORT_SYMBOL_GPL(vring_create_virtqueue_dma);
* @_vq: the struct virtqueue we're talking about.
* @num: new ring num
* @recycle: callback to recycle unused buffers
+ * @recycle_done: callback to be invoked when recycle for all unused buffers done
*
* When it is really necessary to create a new vring, it will set the current vq
* into the reset state. Then call the passed callback to recycle the buffer
@@ -2736,7 +2737,8 @@ EXPORT_SYMBOL_GPL(vring_create_virtqueue_dma);
*
*/
int virtqueue_resize(struct virtqueue *_vq, u32 num,
- void (*recycle)(struct virtqueue *vq, void *buf))
+ void (*recycle)(struct virtqueue *vq, void *buf),
+ void (*recycle_done)(struct virtqueue *vq))
{
struct vring_virtqueue *vq = to_vvq(_vq);
int err;
@@ -2753,6 +2755,8 @@ int virtqueue_resize(struct virtqueue *_vq, u32 num,
err = virtqueue_disable_and_recycle(_vq, recycle);
if (err)
return err;
+ if (recycle_done)
+ recycle_done(_vq);
if (vq->packed_ring)
err = virtqueue_resize_packed(_vq, num);