nvme-rdma: Use rq_dma_dir macro

Remove code duplication.

Signed-off-by: Israel Rukshin <israelr@mellanox.com>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>

diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 0ef05a7..5e30bcf 100644 (file)
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -1146,9 +1146,7 @@ static void nvme_rdma_unmap_data(struct nvme_rdma_queue *queue,
                req->mr = NULL;
        }
 
-       ib_dma_unmap_sg(ibdev, req->sg_table.sgl,
-                       req->nents, rq_data_dir(rq) ==
-                                   WRITE ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
+       ib_dma_unmap_sg(ibdev, req->sg_table.sgl, req->nents, rq_dma_dir(rq));
 
        nvme_cleanup_cmd(rq);
        sg_free_table_chained(&req->sg_table, SG_CHUNK_SIZE);
@@ -1274,7 +1272,7 @@ static int nvme_rdma_map_data(struct nvme_rdma_queue *queue,
        req->nents = blk_rq_map_sg(rq->q, rq, req->sg_table.sgl);
 
        count = ib_dma_map_sg(ibdev, req->sg_table.sgl, req->nents,
-                   rq_data_dir(rq) == WRITE ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
+                             rq_dma_dir(rq));
        if (unlikely(count <= 0)) {
                ret = -EIO;
                goto out_free_table;
@@ -1303,9 +1301,7 @@ out:
        return 0;
 
 out_unmap_sg:
-       ib_dma_unmap_sg(ibdev, req->sg_table.sgl,
-                       req->nents, rq_data_dir(rq) ==
-                       WRITE ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
+       ib_dma_unmap_sg(ibdev, req->sg_table.sgl, req->nents, rq_dma_dir(rq));
 out_free_table:
        sg_free_table_chained(&req->sg_table, SG_CHUNK_SIZE);
        return ret;