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SubjectRe: [RFC PATCH v5 10/19] virtio/vsock: simplify credit update function API
On Thu, Feb 18, 2021 at 08:39:23AM +0300, Arseny Krasnov wrote:
>'virtio_transport_send_credit_update()' has some extra args:
>1) 'type' may be set in 'virtio_transport_send_pkt_info()' using type
> of socket.
>2) This function is static and 'hdr' arg was always NULL.
>
>Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
>---
> net/vmw_vsock/virtio_transport_common.c | 15 ++++-----------
> 1 file changed, 4 insertions(+), 11 deletions(-)
>
>diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
>index 1c9d71ca5e8e..833104b71a1c 100644
>--- a/net/vmw_vsock/virtio_transport_common.c
>+++ b/net/vmw_vsock/virtio_transport_common.c
>@@ -271,13 +271,10 @@ void virtio_transport_put_credit(struct virtio_vsock_sock *vvs, u32 credit)
> }
> EXPORT_SYMBOL_GPL(virtio_transport_put_credit);
>
>-static int virtio_transport_send_credit_update(struct vsock_sock *vsk,
>- int type,
>- struct virtio_vsock_hdr *hdr)
>+static int virtio_transport_send_credit_update(struct vsock_sock *vsk)
> {
> struct virtio_vsock_pkt_info info = {
> .op = VIRTIO_VSOCK_OP_CREDIT_UPDATE,
>- .type = type,
> .vsk = vsk,
> };

I don't know if it's better to remove type with the others changes in
the previous patch, maybe it's more consistent.

I mean only the removal of 'type' parameter, the 'hdr' parameter should
be removed with this patch.

>
>@@ -385,11 +382,8 @@ virtio_transport_stream_do_dequeue(struct vsock_sock *vsk,
> * messages, we set the limit to a high value. TODO: experiment
> * with different values.
> */
>- if (free_space < VIRTIO_VSOCK_MAX_PKT_BUF_SIZE) {
>- virtio_transport_send_credit_update(vsk,
>-
>VIRTIO_VSOCK_TYPE_STREAM,
>- NULL);
>- }
>+ if (free_space < VIRTIO_VSOCK_MAX_PKT_BUF_SIZE)
>+ virtio_transport_send_credit_update(vsk);
>
> return total;
>
>@@ -498,8 +492,7 @@ void virtio_transport_notify_buffer_size(struct vsock_sock *vsk, u64 *val)
>
> vvs->buf_alloc = *val;
>
>- virtio_transport_send_credit_update(vsk, VIRTIO_VSOCK_TYPE_STREAM,
>- NULL);
>+ virtio_transport_send_credit_update(vsk);
> }
> EXPORT_SYMBOL_GPL(virtio_transport_notify_buffer_size);
>
>--
>2.25.1
>

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