iser-target: Use a single DMA MR and PD per device
This is to favor the HCA cache hit rate using less MRs
and PDs. This commit partially reverts commit:
"eb6ab13 IB/isert: separate connection protection domains and dma MRs"
At the time I thought this would be needed.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h
index 8dc8415..e386092 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.h
+++ b/drivers/infiniband/ulp/isert/ib_isert.h
@@ -169,8 +169,6 @@
struct completion login_req_comp;
struct iser_tx_desc conn_login_tx_desc;
struct rdma_cm_id *conn_cm_id;
- struct ib_pd *conn_pd;
- struct ib_mr *conn_mr;
struct ib_qp *conn_qp;
struct isert_device *conn_device;
struct mutex conn_mutex;
@@ -211,6 +209,8 @@
bool pi_capable;
int refcount;
struct ib_device *ib_device;
+ struct ib_pd *pd;
+ struct ib_mr *mr;
struct isert_comp *comps;
int comps_used;
struct list_head dev_node;