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SubjectRe: [PATCH net-next 07/14] vsock: handle buffer_size sockopts in the core
On Wed, Oct 23, 2019 at 11:55:47AM +0200, Stefano Garzarella wrote:
> virtio_transport and vmci_transport handle the buffer_size
> sockopts in a very similar way.
>
> In order to support multiple transports, this patch moves this
> handling in the core to allow the user to change the options
> also if the socket is not yet assigned to any transport.
>
> This patch also adds the '.notify_buffer_size' callback in the
> 'struct virtio_transport' in order to inform the transport,
> when the buffer_size is changed by the user. It is also useful
> to limit the 'buffer_size' requested (e.g. virtio transports).
>
> Acked-by: Dexuan Cui <decui@microsoft.com>
> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
> ---
> RFC -> v1:
> - changed .notify_buffer_size return to void (Stefan)
> - documented that .notify_buffer_size is called with sk_lock held (Stefan)
> ---
> drivers/vhost/vsock.c | 7 +-
> include/linux/virtio_vsock.h | 15 +----
> include/net/af_vsock.h | 15 ++---
> net/vmw_vsock/af_vsock.c | 43 ++++++++++---
> net/vmw_vsock/hyperv_transport.c | 36 -----------
> net/vmw_vsock/virtio_transport.c | 8 +--
> net/vmw_vsock/virtio_transport_common.c | 79 ++++-------------------
> net/vmw_vsock/vmci_transport.c | 86 +++----------------------
> net/vmw_vsock/vmci_transport.h | 3 -
> 9 files changed, 65 insertions(+), 227 deletions(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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