netdev - Re: virtio: remove obsolete virtqueue_get_queue

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Date:	Thu, 21 Mar 2013 10:01:46 +0100
From:	Cornelia Huck <cornelia.huck@...ibm.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	<mst@...hat.com>, <netdev@...r.kernel.org>
Subject: Re: virtio: remove obsolete virtqueue_get_queue_index()

On Thu, 21 Mar 2013 17:47:03 +1030
Rusty Russell <rusty@...tcorp.com.au> wrote:

> You can access it directly now, since 3.8: v3.7-rc1-13-g06ca287
> 'virtio: move queue_index and num_free fields into core struct
> virtqueue.'
> 
> Cc: Cornelia Huck <cornelia.huck@...ibm.com>
> Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
> 

> diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/kvm/virtio_ccw.c
> index 2029b6c..a7eddc7 100644
> --- a/drivers/s390/kvm/virtio_ccw.c
> +++ b/drivers/s390/kvm/virtio_ccw.c
> @@ -166,7 +166,7 @@ static void virtio_ccw_kvm_notify(struct virtqueue *vq)
> 
>  	vcdev = to_vc_device(info->vq->vdev);
>  	ccw_device_get_schid(vcdev->cdev, &schid);
> -	do_kvm_notify(schid, virtqueue_get_queue_index(vq));
> +	do_kvm_notify(schid, vq->index);
>  }
> 
>  static int virtio_ccw_read_vq_conf(struct virtio_ccw_device *vcdev,
> @@ -188,7 +188,7 @@ static void virtio_ccw_del_vq(struct virtqueue *vq, struct ccw1 *ccw)
>  	unsigned long flags;
>  	unsigned long size;
>  	int ret;
> -	unsigned int index = virtqueue_get_queue_index(vq);
> +	unsigned int index = vq->index;
> 
>  	/* Remove from our list. */
>  	spin_lock_irqsave(&vcdev->lock, flags);
> @@ -610,7 +610,7 @@ static struct virtqueue *virtio_ccw_vq_by_ind(struct virtio_ccw_device *vcdev,
>  	vq = NULL;
>  	spin_lock_irqsave(&vcdev->lock, flags);
>  	list_for_each_entry(info, &vcdev->virtqueues, node) {
> -		if (virtqueue_get_queue_index(info->vq) == index) {
> +		if (vq->index == index) {

Should be
		if (info->vq->index == index) {

>  			vq = info->vq;
>  			break;
>  		}

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