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Commit d2a9ec64 authored by Fabian Frederick's avatar Fabian Frederick Committed by David S. Miller
Browse files

net: rds: use for_each_sg() for scatterlist parsing 



This patch also renames sg to sglist and aligns function parameters.
See Documentation/DMA-API.txt - Part Id for scatterlist details

Signed-off-by: default avatarFabian Frederick <fabf@skynet.be>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 59f21118

net/rds/ib.h

+14 −8
Original line number Diff line number Diff line
@@ -235,28 +235,34 @@ extern struct workqueue_struct *rds_ib_wq; 
 * doesn't define it.

 */

static inline void rds_ib_dma_sync_sg_for_cpu(struct ib_device *dev,

		struct scatterlist *sg, unsigned int sg_dma_len, int direction)

					      struct scatterlist *sglist,

					      unsigned int sg_dma_len,

					      int direction)

{

	struct scatterlist *sg;

	unsigned int i;



	for (i = 0; i < sg_dma_len; ++i) {

	for_each_sg(sglist, sg, sg_dma_len, i) {

		ib_dma_sync_single_for_cpu(dev,

				ib_sg_dma_address(dev, &sg[i]),

				ib_sg_dma_len(dev, &sg[i]),

				ib_sg_dma_address(dev, sg),

				ib_sg_dma_len(dev, sg),

				direction);

	}

}

#define ib_dma_sync_sg_for_cpu	rds_ib_dma_sync_sg_for_cpu



static inline void rds_ib_dma_sync_sg_for_device(struct ib_device *dev,

		struct scatterlist *sg, unsigned int sg_dma_len, int direction)

						 struct scatterlist *sglist,

						 unsigned int sg_dma_len,

						 int direction)

{

	struct scatterlist *sg;

	unsigned int i;



	for (i = 0; i < sg_dma_len; ++i) {

	for_each_sg(sglist, sg, sg_dma_len, i) {

		ib_dma_sync_single_for_device(dev,

				ib_sg_dma_address(dev, &sg[i]),

				ib_sg_dma_len(dev, &sg[i]),

				ib_sg_dma_address(dev, sg),

				ib_sg_dma_len(dev, sg),

				direction);

	}

}