diff mbox series

[rdma-next,12/12] RDMA/mlx5: Use odp instead of mr->umem in pagefault_mr

Message ID 20190819111710.18440-13-leon@kernel.org (mailing list archive)
State Accepted
Delegated to: Jason Gunthorpe
Headers show
Series Improvements for ODP | expand

Commit Message

Leon Romanovsky Aug. 19, 2019, 11:17 a.m. UTC 
From: Jason Gunthorpe <jgg@mellanox.com>

These are the same thing since mr always comes from odp->private. It is
confusing to reference the same memory via two names.

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
---
 drivers/infiniband/hw/mlx5/odp.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index 70e0a3555f11..8b155a1f0b38 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -603,7 +603,7 @@  static int pagefault_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr,
 	start_idx = (io_virt - (mr->mmkey.iova & page_mask)) >> page_shift;
 	access_mask = ODP_READ_ALLOWED_BIT;
 
-	if (prefetch && !downgrade && !mr->umem->writable) {
+	if (prefetch && !downgrade && !odp->umem.writable) {
 		/* prefetch with write-access must
 		 * be supported by the MR
 		 */
@@ -611,7 +611,7 @@  static int pagefault_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr,
 		goto out;
 	}
 
-	if (mr->umem->writable && !downgrade)
+	if (odp->umem.writable && !downgrade)
 		access_mask |= ODP_WRITE_ALLOWED_BIT;
 
 	current_seq = READ_ONCE(odp->notifiers_seq);
@@ -621,8 +621,8 @@  static int pagefault_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr,
 	 */
 	smp_rmb();
 
-	ret = ib_umem_odp_map_dma_pages(to_ib_umem_odp(mr->umem), io_virt, size,
-					access_mask, current_seq);
+	ret = ib_umem_odp_map_dma_pages(odp, io_virt, size, access_mask,
+					current_seq);
 
 	if (ret < 0)
 		goto out;
@@ -630,8 +630,7 @@  static int pagefault_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr,
 	np = ret;
 
 	mutex_lock(&odp->umem_mutex);
-	if (!ib_umem_mmu_notifier_retry(to_ib_umem_odp(mr->umem),
-					current_seq)) {
+	if (!ib_umem_mmu_notifier_retry(odp, current_seq)) {
 		/*
 		 * No need to check whether the MTTs really belong to
 		 * this MR, since ib_umem_odp_map_dma_pages already