diff options
| -rw-r--r-- | net/9p/trans_rdma.c | 26 |
1 files changed, 2 insertions, 24 deletions
diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c index 37a78d20c0f6..ba1210253f5e 100644 --- a/net/9p/trans_rdma.c +++ b/net/9p/trans_rdma.c @@ -94,8 +94,6 @@ struct p9_trans_rdma { struct ib_pd *pd; struct ib_qp *qp; struct ib_cq *cq; - struct ib_mr *dma_mr; - u32 lkey; long timeout; int sq_depth; struct semaphore sq_sem; @@ -382,9 +380,6 @@ static void rdma_destroy_trans(struct p9_trans_rdma *rdma) if (!rdma) return; - if (rdma->dma_mr && !IS_ERR(rdma->dma_mr)) - ib_dereg_mr(rdma->dma_mr); - if (rdma->qp && !IS_ERR(rdma->qp)) ib_destroy_qp(rdma->qp); @@ -415,7 +410,7 @@ post_recv(struct p9_client *client, struct p9_rdma_context *c) sge.addr = c->busa; sge.length = client->msize; - sge.lkey = rdma->lkey; + sge.lkey = rdma->pd->local_dma_lkey; wr.next = NULL; c->wc_op = IB_WC_RECV; @@ -506,7 +501,7 @@ dont_need_post_recv: sge.addr = c->busa; sge.length = c->req->tc->size; - sge.lkey = rdma->lkey; + sge.lkey = rdma->pd->local_dma_lkey; wr.next = NULL; c->wc_op = IB_WC_SEND; @@ -647,7 +642,6 @@ rdma_create_trans(struct p9_client *client, const char *addr, char *args) struct p9_trans_rdma *rdma; struct rdma_conn_param conn_param; struct ib_qp_init_attr qp_attr; - struct ib_device_attr devattr; struct ib_cq_init_attr cq_attr = {}; /* Parse the transport specific mount options */ @@ -700,11 +694,6 @@ rdma_create_trans(struct p9_client *client, const char *addr, char *args) if (err || (rdma->state != P9_RDMA_ROUTE_RESOLVED)) goto error; - /* Query the device attributes */ - err = ib_query_device(rdma->cm_id->device, &devattr); - if (err) - goto error; - /* Create the Completion Queue */ cq_attr.cqe = opts.sq_depth + opts.rq_depth + 1; rdma->cq = ib_create_cq(rdma->cm_id->device, cq_comp_handler, @@ -719,17 +708,6 @@ rdma_create_trans(struct p9_client *client, const char *addr, char *args) if (IS_ERR(rdma->pd)) goto error; - /* Cache the DMA lkey in the transport */ - rdma->dma_mr = NULL; - if (devattr.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY) - rdma->lkey = rdma->cm_id->device->local_dma_lkey; - else { - rdma->dma_mr = ib_get_dma_mr(rdma->pd, IB_ACCESS_LOCAL_WRITE); - if (IS_ERR(rdma->dma_mr)) - goto error; - rdma->lkey = rdma->dma_mr->lkey; - } - /* Create the Queue Pair */ memset(&qp_attr, 0, sizeof qp_attr); qp_attr.event_handler = qp_event_handler; |