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vsock/virtio: support MSG_ZEROCOPY for transport
Add 'msgzerocopy_allow()' callback for virtio transport. Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 7 additions and 0 deletions
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@ -486,6 +486,11 @@ static bool virtio_transport_can_msgzerocopy(int bufs_num)
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return res;
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}
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static bool virtio_transport_msgzerocopy_allow(void)
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{
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return true;
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}
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static bool virtio_transport_seqpacket_allow(u32 remote_cid);
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static struct virtio_transport virtio_transport = {
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@ -519,6 +524,8 @@ static struct virtio_transport virtio_transport = {
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.seqpacket_allow = virtio_transport_seqpacket_allow,
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.seqpacket_has_data = virtio_transport_seqpacket_has_data,
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.msgzerocopy_allow = virtio_transport_msgzerocopy_allow,
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.notify_poll_in = virtio_transport_notify_poll_in,
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.notify_poll_out = virtio_transport_notify_poll_out,
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.notify_recv_init = virtio_transport_notify_recv_init,
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