From 5a783956c2b90179b852dd58a2ee668f16dfe980 Mon Sep 17 00:00:00 2001 From: Jason Gunthorpe Date: Thu, 30 Jul 2015 17:22:24 -0600 Subject: [PATCH] ib_srpt: Remove ib_get_dma_mr calls The pd now has a local_dma_lkey member which completely replaces ib_get_dma_mr, use it instead. Signed-off-by: Jason Gunthorpe Reviewed-by: Sagi Grimberg Signed-off-by: Doug Ledford --- drivers/infiniband/ulp/srpt/ib_srpt.c | 15 ++++----------- drivers/infiniband/ulp/srpt/ib_srpt.h | 1 - 2 files changed, 4 insertions(+), 12 deletions(-) diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 3ab015b0236d..f6fe0414139b 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -783,7 +783,7 @@ static int srpt_post_recv(struct srpt_device *sdev, list.addr = ioctx->ioctx.dma; list.length = srp_max_req_size; - list.lkey = sdev->mr->lkey; + list.lkey = sdev->pd->local_dma_lkey; wr.next = NULL; wr.sg_list = &list; @@ -818,7 +818,7 @@ static int srpt_post_send(struct srpt_rdma_ch *ch, list.addr = ioctx->ioctx.dma; list.length = len; - list.lkey = sdev->mr->lkey; + list.lkey = sdev->pd->local_dma_lkey; wr.next = NULL; wr.wr_id = encode_wr_id(SRPT_SEND, ioctx->ioctx.index); @@ -1206,7 +1206,7 @@ static int srpt_map_sg_to_ib_sge(struct srpt_rdma_ch *ch, while (rsize > 0 && tsize > 0) { sge->addr = dma_addr; - sge->lkey = ch->sport->sdev->mr->lkey; + sge->lkey = ch->sport->sdev->pd->local_dma_lkey; if (rsize >= dma_len) { sge->length = @@ -3211,10 +3211,6 @@ static void srpt_add_one(struct ib_device *device) if (IS_ERR(sdev->pd)) goto free_dev; - sdev->mr = ib_get_dma_mr(sdev->pd, IB_ACCESS_LOCAL_WRITE); - if (IS_ERR(sdev->mr)) - goto err_pd; - sdev->srq_size = min(srpt_srq_size, sdev->dev_attr.max_srq_wr); srq_attr.event_handler = srpt_srq_event; @@ -3226,7 +3222,7 @@ static void srpt_add_one(struct ib_device *device) sdev->srq = ib_create_srq(sdev->pd, &srq_attr); if (IS_ERR(sdev->srq)) - goto err_mr; + goto err_pd; pr_debug("%s: create SRQ #wr= %d max_allow=%d dev= %s\n", __func__, sdev->srq_size, sdev->dev_attr.max_srq_wr, @@ -3311,8 +3307,6 @@ err_cm: ib_destroy_cm_id(sdev->cm_id); err_srq: ib_destroy_srq(sdev->srq); -err_mr: - ib_dereg_mr(sdev->mr); err_pd: ib_dealloc_pd(sdev->pd); free_dev: @@ -3357,7 +3351,6 @@ static void srpt_remove_one(struct ib_device *device, void *client_data) srpt_release_sdev(sdev); ib_destroy_srq(sdev->srq); - ib_dereg_mr(sdev->mr); ib_dealloc_pd(sdev->pd); srpt_free_ioctx_ring((struct srpt_ioctx **)sdev->ioctx_ring, sdev, diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h index 21f8df67522a..5faad8acd789 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.h +++ b/drivers/infiniband/ulp/srpt/ib_srpt.h @@ -393,7 +393,6 @@ struct srpt_port { struct srpt_device { struct ib_device *device; struct ib_pd *pd; - struct ib_mr *mr; struct ib_srq *srq; struct ib_cm_id *cm_id; struct ib_device_attr dev_attr; -- 2.20.1