Re: [RFC PATCH v5 10/19] virtio/vsock: simplify credit update function API

2021-02-23 Thread Stefano Garzarella

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 
---
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





[RFC PATCH v5 10/19] virtio/vsock: simplify credit update function API

2021-02-17 Thread Arseny Krasnov
'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 
---
 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,
};
 
@@ -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