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virtio_balloon: use simplified virtqueue accessors. 

We never add buffers with input and output parts, so use the new accessors.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2013-03-20 15:44:30 +10:30
parent cee51d69a4
commit 92549abc6a
1 changed files with 3 additions and 3 deletions
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6
drivers/virtio/virtio_balloon.c
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@ -108,7 +108,7 @@ static void tell_host(struct virtio_balloon *vb, struct virtqueue *vq)
sg_init_one(&sg, vb->pfns, sizeof(vb->pfns[0]) * vb->num_pfns);
/* We should always be able to add one buffer to an empty queue. */
if (virtqueue_add_buf(vq, &sg, 1, 0, vb, GFP_KERNEL) < 0)
if (virtqueue_add_outbuf(vq, &sg, 1, vb, GFP_KERNEL) < 0)
BUG();
virtqueue_kick(vq);
@ -256,7 +256,7 @@ static void stats_handle_request(struct virtio_balloon *vb)
if (!virtqueue_get_buf(vq, &len))
return;
sg_init_one(&sg, vb->stats, sizeof(vb->stats));
if (virtqueue_add_buf(vq, &sg, 1, 0, vb, GFP_KERNEL) < 0)
if (virtqueue_add_outbuf(vq, &sg, 1, vb, GFP_KERNEL) < 0)
BUG();
virtqueue_kick(vq);
}
@ -341,7 +341,7 @@ static int init_vqs(struct virtio_balloon *vb)
* use it to signal us later.
*/
sg_init_one(&sg, vb->stats, sizeof vb->stats);
if (virtqueue_add_buf(vb->stats_vq, &sg, 1, 0, vb, GFP_KERNEL)
if (virtqueue_add_outbuf(vb->stats_vq, &sg, 1, vb, GFP_KERNEL)
< 0)
BUG();
virtqueue_kick(vb->stats_vq);