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authorRusty Russell <rusty@rustcorp.com.au>2012-01-12 15:44:42 +1030
committerRusty Russell <rusty@rustcorp.com.au>2012-01-12 15:44:42 +1030
commitf96fde41f7f9af6cf20f6a1919f5d9670f84d574 (patch)
tree14b8a0343b255989ac8ba0ea34e18dca419723df /drivers/virtio
parent5dfc17628d57f9e62043ed0cba03a6e3eb019a78 (diff)
downloadblackbird-op-linux-f96fde41f7f9af6cf20f6a1919f5d9670f84d574.tar.gz
blackbird-op-linux-f96fde41f7f9af6cf20f6a1919f5d9670f84d574.zip
virtio: rename virtqueue_add_buf_gfp to virtqueue_add_buf
Remove wrapper functions. This makes the allocation type explicit in all callers; I used GPF_KERNEL where it seemed obvious, left it at GFP_ATOMIC otherwise. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/virtio')
-rw-r--r--drivers/virtio/virtio_balloon.c7
-rw-r--r--drivers/virtio/virtio_ring.c22
2 files changed, 15 insertions, 14 deletions
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index f64ff185b8b5..0a6425aadf95 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -88,7 +88,7 @@ static void tell_host(struct virtio_balloon *vb, struct virtqueue *vq)
init_completion(&vb->acked);
/* We should always be able to add one buffer to an empty queue. */
- if (virtqueue_add_buf(vq, &sg, 1, 0, vb) < 0)
+ if (virtqueue_add_buf(vq, &sg, 1, 0, vb, GFP_KERNEL) < 0)
BUG();
virtqueue_kick(vq);
@@ -220,7 +220,7 @@ static void stats_handle_request(struct virtio_balloon *vb)
vq = vb->stats_vq;
sg_init_one(&sg, vb->stats, sizeof(vb->stats));
- if (virtqueue_add_buf(vq, &sg, 1, 0, vb) < 0)
+ if (virtqueue_add_buf(vq, &sg, 1, 0, vb, GFP_KERNEL) < 0)
BUG();
virtqueue_kick(vq);
}
@@ -313,7 +313,8 @@ static int virtballoon_probe(struct virtio_device *vdev)
* 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) < 0)
+ if (virtqueue_add_buf(vb->stats_vq, &sg, 1, 0, vb, GFP_KERNEL)
+ < 0)
BUG();
virtqueue_kick(vb->stats_vq);
}
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index fe50486341a4..6ea92a6d1134 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -167,7 +167,7 @@ static int vring_add_indirect(struct vring_virtqueue *vq,
}
/**
- * virtqueue_add_buf_gfp - expose buffer to other end
+ * virtqueue_add_buf - expose buffer to other end
* @vq: the struct virtqueue we're talking about.
* @sg: the description of the buffer(s).
* @out_num: the number of sg readable by other side
@@ -183,12 +183,12 @@ static int vring_add_indirect(struct vring_virtqueue *vq,
* positive return values as "available": indirect buffers mean that
* we can put an entire sg[] array inside a single queue entry.
*/
-int virtqueue_add_buf_gfp(struct virtqueue *_vq,
- struct scatterlist sg[],
- unsigned int out,
- unsigned int in,
- void *data,
- gfp_t gfp)
+int virtqueue_add_buf(struct virtqueue *_vq,
+ struct scatterlist sg[],
+ unsigned int out,
+ unsigned int in,
+ void *data,
+ gfp_t gfp)
{
struct vring_virtqueue *vq = to_vvq(_vq);
unsigned int i, avail, uninitialized_var(prev);
@@ -259,13 +259,13 @@ add_head:
return vq->num_free;
}
-EXPORT_SYMBOL_GPL(virtqueue_add_buf_gfp);
+EXPORT_SYMBOL_GPL(virtqueue_add_buf);
/**
* virtqueue_kick - update after add_buf
* @vq: the struct virtqueue
*
- * After one or more virtqueue_add_buf_gfp calls, invoke this to kick
+ * After one or more virtqueue_add_buf calls, invoke this to kick
* the other side.
*
* Caller must ensure we don't call this with other virtqueue
@@ -341,7 +341,7 @@ static inline bool more_used(const struct vring_virtqueue *vq)
* operations at the same time (except where noted).
*
* Returns NULL if there are no used buffers, or the "data" token
- * handed to virtqueue_add_buf_gfp().
+ * handed to virtqueue_add_buf().
*/
void *virtqueue_get_buf(struct virtqueue *_vq, unsigned int *len)
{
@@ -490,7 +490,7 @@ EXPORT_SYMBOL_GPL(virtqueue_enable_cb_delayed);
* virtqueue_detach_unused_buf - detach first unused buffer
* @vq: the struct virtqueue we're talking about.
*
- * Returns NULL or the "data" token handed to virtqueue_add_buf_gfp().
+ * Returns NULL or the "data" token handed to virtqueue_add_buf().
* This is not valid on an active queue; it is useful only for device
* shutdown.
*/
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