diff options
| author | Koichiro Den <koichiro.den@canonical.com> | 2024-12-06 10:10:46 +0900 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2024-12-10 11:22:21 +0100 |
| commit | 8d2da07c813ad333c20eb803e15f8c4541f25350 (patch) | |
| tree | e168fb706d8c1fc5af982ecdca64c6e47b45a2b1 /drivers/virtio/virtio_ring.c | |
| parent | 1480f0f61b675567ca5d0943d6ef2e39172dcafd (diff) | |
virtio_ring: add a func argument 'recycle_done' to virtqueue_reset()
When virtqueue_reset() has actually recycled all unused buffers,
additional work may be required in some cases. Relying solely on its
return status is fragile, so introduce a new function argument
'recycle_done', which is invoked when it really occurs.
Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/virtio/virtio_ring.c')
| -rw-r--r-- | drivers/virtio/virtio_ring.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 6af8cf6a619e..fdd2d2b07b5a 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -2827,6 +2827,7 @@ EXPORT_SYMBOL_GPL(virtqueue_resize); * virtqueue_reset - detach and recycle all unused buffers * @_vq: the struct virtqueue we're talking about. * @recycle: callback to recycle unused buffers + * @recycle_done: callback to be invoked when recycle for all unused buffers done * * Caller must ensure we don't call this with other virtqueue operations * at the same time (except where noted). @@ -2838,7 +2839,8 @@ EXPORT_SYMBOL_GPL(virtqueue_resize); * -EPERM: Operation not permitted */ int virtqueue_reset(struct virtqueue *_vq, - 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; @@ -2846,6 +2848,8 @@ int virtqueue_reset(struct virtqueue *_vq, err = virtqueue_disable_and_recycle(_vq, recycle); if (err) return err; + if (recycle_done) + recycle_done(_vq); if (vq->packed_ring) virtqueue_reinit_packed(vq); |