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authorRusty Russell <rusty@rustcorp.com.au>2012-01-12 00:14:42 -0500
committerRusty Russell <rusty@rustcorp.com.au>2012-01-12 00:14:42 -0500
commitf96fde41f7f9af6cf20f6a1919f5d9670f84d574 (patch)
tree14b8a0343b255989ac8ba0ea34e18dca419723df /drivers/virtio/virtio_ring.c
parent5dfc17628d57f9e62043ed0cba03a6e3eb019a78 (diff)
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/virtio_ring.c')
-rw-r--r--drivers/virtio/virtio_ring.c22
1 files changed, 11 insertions, 11 deletions
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,
167} 167}
168 168
169/** 169/**
170 * virtqueue_add_buf_gfp - expose buffer to other end 170 * virtqueue_add_buf - expose buffer to other end
171 * @vq: the struct virtqueue we're talking about. 171 * @vq: the struct virtqueue we're talking about.
172 * @sg: the description of the buffer(s). 172 * @sg: the description of the buffer(s).
173 * @out_num: the number of sg readable by other side 173 * @out_num: the number of sg readable by other side
@@ -183,12 +183,12 @@ static int vring_add_indirect(struct vring_virtqueue *vq,
183 * positive return values as "available": indirect buffers mean that 183 * positive return values as "available": indirect buffers mean that
184 * we can put an entire sg[] array inside a single queue entry. 184 * we can put an entire sg[] array inside a single queue entry.
185 */ 185 */
186int virtqueue_add_buf_gfp(struct virtqueue *_vq, 186int virtqueue_add_buf(struct virtqueue *_vq,
187 struct scatterlist sg[], 187 struct scatterlist sg[],
188 unsigned int out, 188 unsigned int out,
189 unsigned int in, 189 unsigned int in,
190 void *data, 190 void *data,
191 gfp_t gfp) 191 gfp_t gfp)
192{ 192{
193 struct vring_virtqueue *vq = to_vvq(_vq); 193 struct vring_virtqueue *vq = to_vvq(_vq);
194 unsigned int i, avail, uninitialized_var(prev); 194 unsigned int i, avail, uninitialized_var(prev);
@@ -259,13 +259,13 @@ add_head:
259 259
260 return vq->num_free; 260 return vq->num_free;
261} 261}
262EXPORT_SYMBOL_GPL(virtqueue_add_buf_gfp); 262EXPORT_SYMBOL_GPL(virtqueue_add_buf);
263 263
264/** 264/**
265 * virtqueue_kick - update after add_buf 265 * virtqueue_kick - update after add_buf
266 * @vq: the struct virtqueue 266 * @vq: the struct virtqueue
267 * 267 *
268 * After one or more virtqueue_add_buf_gfp calls, invoke this to kick 268 * After one or more virtqueue_add_buf calls, invoke this to kick
269 * the other side. 269 * the other side.
270 * 270 *
271 * Caller must ensure we don't call this with other virtqueue 271 * 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)
341 * operations at the same time (except where noted). 341 * operations at the same time (except where noted).
342 * 342 *
343 * Returns NULL if there are no used buffers, or the "data" token 343 * Returns NULL if there are no used buffers, or the "data" token
344 * handed to virtqueue_add_buf_gfp(). 344 * handed to virtqueue_add_buf().
345 */ 345 */
346void *virtqueue_get_buf(struct virtqueue *_vq, unsigned int *len) 346void *virtqueue_get_buf(struct virtqueue *_vq, unsigned int *len)
347{ 347{
@@ -490,7 +490,7 @@ EXPORT_SYMBOL_GPL(virtqueue_enable_cb_delayed);
490 * virtqueue_detach_unused_buf - detach first unused buffer 490 * virtqueue_detach_unused_buf - detach first unused buffer
491 * @vq: the struct virtqueue we're talking about. 491 * @vq: the struct virtqueue we're talking about.
492 * 492 *
493 * Returns NULL or the "data" token handed to virtqueue_add_buf_gfp(). 493 * Returns NULL or the "data" token handed to virtqueue_add_buf().
494 * This is not valid on an active queue; it is useful only for device 494 * This is not valid on an active queue; it is useful only for device
495 * shutdown. 495 * shutdown.
496 */ 496 */