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| author | Fabian Frederick <fabf@skynet.be> | 2015-06-16 20:44:07 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-06-21 09:32:08 -0700 |
| commit | d2a9ec6472650c49ac3f285637b9c04b53f11ae6 (patch) | |
| tree | 848d2ea1f17d75d20094fca6a9b82bb29548ea5a /net/rds/ib.h | |
| parent | 59f211181b5b10d4a95e1b9226febb0c0b6497c6 (diff) | |
| download | linux-stable-d2a9ec6472650c49ac3f285637b9c04b53f11ae6.tar.gz linux-stable-d2a9ec6472650c49ac3f285637b9c04b53f11ae6.tar.bz2 linux-stable-d2a9ec6472650c49ac3f285637b9c04b53f11ae6.zip | |
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: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rds/ib.h')
| -rw-r--r-- | net/rds/ib.h | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/net/rds/ib.h b/net/rds/ib.h index c36d713229e0..2de28982260c 100644 --- a/net/rds/ib.h +++ b/net/rds/ib.h @@ -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); } } |