IB/iser: Do not use FMR for a single dma entry sg

[linux-2.6-omap-h63xx.git] / drivers / infiniband / ulp / iser / iser_verbs.c

diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index 72febf1f8ff8d74b974d12333fe4e7e4a81ef50e..ecdca7fc1e4cf0466f58bd6d89b4153891b71e0b 100644 (file)
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -88,8 +88,9 @@ static int iser_create_device_ib_res(struct iser_device *device)
                     iser_cq_tasklet_fn,
                     (unsigned long)device);
 
-       device->mr = ib_get_dma_mr(device->pd,
-                                  IB_ACCESS_LOCAL_WRITE);
+       device->mr = ib_get_dma_mr(device->pd, IB_ACCESS_LOCAL_WRITE |
+                                  IB_ACCESS_REMOTE_WRITE |
+                                  IB_ACCESS_REMOTE_READ);
        if (IS_ERR(device->mr))
                goto dma_mr_err;
 
@@ -150,7 +151,7 @@ static int iser_create_ib_conn_res(struct iser_conn *ib_conn)
        }
        ib_conn->page_vec->pages = (u64 *) (ib_conn->page_vec + 1);
 
-       params.page_shift        = PAGE_SHIFT;
+       params.page_shift        = SHIFT_4K;
        /* when the first/last SG element are not start/end *
         * page aligned, the map whould be of N+1 pages     */
        params.max_pages_per_fmr = ISCSI_ISER_SG_TABLESIZE + 1;
@@ -604,8 +605,9 @@ int iser_reg_page_vec(struct iser_conn     *ib_conn,
 
        mem_reg->lkey  = mem->fmr->lkey;
        mem_reg->rkey  = mem->fmr->rkey;
-       mem_reg->len   = page_vec->length * PAGE_SIZE;
+       mem_reg->len   = page_vec->length * SIZE_4K;
        mem_reg->va    = io_addr;
+       mem_reg->is_fmr = 1;
        mem_reg->mem_h = (void *)mem;
 
        mem_reg->va   += page_vec->offset;