IB/iser: Don't register memory for all immediate data writes
When all the task data is sent as immediate data, we are
allowed to use the local_dma_lkey as it is not sent to
the wire.
Signed-off-by: Jenny Derzhavetz <[email protected]>
Signed-off-by: Sagi Grimberg <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index 44ecb89..bc96dcb 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -72,7 +72,7 @@
return err;
}
- err = iser_reg_rdma_mem(iser_task, ISER_DIR_IN);
+ err = iser_reg_rdma_mem(iser_task, ISER_DIR_IN, false);
if (err) {
iser_err("Failed to set up Data-IN RDMA\n");
return err;
@@ -126,7 +126,8 @@
return err;
}
- err = iser_reg_rdma_mem(iser_task, ISER_DIR_OUT);
+ err = iser_reg_rdma_mem(iser_task, ISER_DIR_OUT,
+ buf_out->data_len == imm_sz);
if (err != 0) {
iser_err("Failed to register write cmd RDMA mem\n");
return err;
