IB/core: Add passing an offset into the SG to ib_map_mr_sg
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Steve Wise <swise@opengridcomputing.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index ce0b5aa..b04f623 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -528,9 +528,8 @@
return 0;
}
-int mlx4_ib_map_mr_sg(struct ib_mr *ibmr,
- struct scatterlist *sg,
- int sg_nents)
+int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
+ unsigned int sg_offset)
{
struct mlx4_ib_mr *mr = to_mmr(ibmr);
int rc;
@@ -541,7 +540,7 @@
sizeof(u64) * mr->max_pages,
DMA_TO_DEVICE);
- rc = ib_sg_to_pages(ibmr, sg, sg_nents, mlx4_set_page);
+ rc = ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset, mlx4_set_page);
ib_dma_sync_single_for_device(ibmr->device, mr->page_map,
sizeof(u64) * mr->max_pages,