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SubjectRe: [PATCH 12/16] virtio_console: use simplified virtqueue accessors.
On 02/19/2013 03:56 PM, Rusty Russell wrote:
> We never add buffers with input and output parts, so use the new accessors.
>
> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

Reviewed-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>

> ---
> drivers/char/virtio_console.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
> index e905d5f..6d59f16 100644
> --- a/drivers/char/virtio_console.c
> +++ b/drivers/char/virtio_console.c
> @@ -502,7 +502,7 @@ static int add_inbuf(struct virtqueue *vq, struct port_buffer *buf)
>
> sg_init_one(sg, buf->buf, buf->size);
>
> - ret = virtqueue_add_buf(vq, sg, 0, 1, buf, GFP_ATOMIC);
> + ret = virtqueue_add_inbuf(vq, sg, 1, buf, GFP_ATOMIC);
> virtqueue_kick(vq);
> if (!ret)
> ret = vq->num_free;
> @@ -569,7 +569,7 @@ static ssize_t __send_control_msg(struct ports_device *portdev, u32 port_id,
> vq = portdev->c_ovq;
>
> sg_init_one(sg, &cpkt, sizeof(cpkt));
> - if (virtqueue_add_buf(vq, sg, 1, 0, &cpkt, GFP_ATOMIC) == 0) {
> + if (virtqueue_add_outbuf(vq, sg, 1, &cpkt, GFP_ATOMIC) == 0) {
> virtqueue_kick(vq);
> while (!virtqueue_get_buf(vq, &len))
> cpu_relax();
> @@ -618,7 +618,7 @@ static ssize_t __send_to_port(struct port *port, struct scatterlist *sg,
>
> reclaim_consumed_buffers(port);
>
> - err = virtqueue_add_buf(out_vq, sg, nents, 0, data, GFP_ATOMIC);
> + err = virtqueue_add_outbuf(out_vq, sg, nents, data, GFP_ATOMIC);
>
> /* Tell Host to go! */
> virtqueue_kick(out_vq);
>



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