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iser-target: Use a single DMA MR and PD per device

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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>
This commit is contained in:
Sagi Grimberg
2015-03-29 15:52:05 +03:00
committed by Nicholas Bellinger
parent 4a579da258
commit 67cb394925
2 changed files with 55 additions and 48 deletions
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4
drivers/infiniband/ulp/isert/ib_isert.h
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@@ -169,8 +169,6 @@ struct isert_conn {
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 @@ struct isert_device {
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;