IB: Modify ib_create_mr API

Use ib_alloc_mr with specific parameters.
Change the existing callers.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index 7122186..32d73c1 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -284,9 +284,7 @@
 		  struct fast_reg_descriptor *desc)
 {
 	struct iser_pi_context *pi_ctx = NULL;
-	struct ib_mr_init_attr mr_init_attr = {.max_reg_descriptors = 2,
-					       .flags = IB_MR_SIGNATURE_EN};
-	int ret = 0;
+	int ret;
 
 	desc->pi_ctx = kzalloc(sizeof(*desc->pi_ctx), GFP_KERNEL);
 	if (!desc->pi_ctx)
@@ -309,7 +307,7 @@
 	}
 	desc->reg_indicators |= ISER_PROT_KEY_VALID;
 
-	pi_ctx->sig_mr = ib_create_mr(pd, &mr_init_attr);
+	pi_ctx->sig_mr = ib_alloc_mr(pd, IB_MR_TYPE_SIGNATURE, 2);
 	if (IS_ERR(pi_ctx->sig_mr)) {
 		ret = PTR_ERR(pi_ctx->sig_mr);
 		goto sig_mr_failure;
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index c054af1..fd0aa93c 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -508,7 +508,6 @@
 		    struct ib_device *device,
 		    struct ib_pd *pd)
 {
-	struct ib_mr_init_attr mr_init_attr;
 	struct pi_context *pi_ctx;
 	int ret;
 
@@ -536,10 +535,7 @@
 	}
 	desc->ind |= ISERT_PROT_KEY_VALID;
 
-	memset(&mr_init_attr, 0, sizeof(mr_init_attr));
-	mr_init_attr.max_reg_descriptors = 2;
-	mr_init_attr.flags |= IB_MR_SIGNATURE_EN;
-	pi_ctx->sig_mr = ib_create_mr(pd, &mr_init_attr);
+	pi_ctx->sig_mr = ib_alloc_mr(pd, IB_MR_TYPE_SIGNATURE, 2);
 	if (IS_ERR(pi_ctx->sig_mr)) {
 		isert_err("Failed to allocate signature enabled mr err=%ld\n",
 			  PTR_ERR(pi_ctx->sig_mr));