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/linux-4.1.27/drivers/vhost/
Dnet.c242 struct vhost_net_virtqueue *nvq = in vhost_zerocopy_signal_used() local
247 for (i = nvq->done_idx; i != nvq->upend_idx; i = (i + 1) % UIO_MAXIOV) { in vhost_zerocopy_signal_used()
257 add = min(UIO_MAXIOV - nvq->done_idx, j); in vhost_zerocopy_signal_used()
259 &vq->heads[nvq->done_idx], add); in vhost_zerocopy_signal_used()
260 nvq->done_idx = (nvq->done_idx + add) % UIO_MAXIOV; in vhost_zerocopy_signal_used()
295 struct vhost_net_virtqueue *nvq = &net->vqs[VHOST_NET_VQ_TX]; in handle_tx() local
296 struct vhost_virtqueue *vq = &nvq->vq; in handle_tx()
320 hdr_size = nvq->vhost_hlen; in handle_tx()
321 zcopy = nvq->ubufs; in handle_tx()
331 if (unlikely((nvq->upend_idx + vq->num - VHOST_MAX_PEND) in handle_tx()
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