RDS/IB: get the xmit max_sge from the RDS IB device on the connection

[linux-imx.git] / net / rds / ib_send.c

diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index 209dbc6d159d76ec2daee343983d21ef515a1bdf..3f91e794eae931ebfd03b111c70d403ad63d3dbb 100644 (file)
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -806,10 +806,10 @@ int rds_ib_xmit_rdma(struct rds_connection *conn, struct rm_rdma_op *op)
        struct rds_ib_send_work *first;
        struct rds_ib_send_work *prev;
        struct ib_send_wr *failed_wr;
-       struct rds_ib_device *rds_ibdev;
        struct scatterlist *scat;
        unsigned long len;
        u64 remote_addr = op->op_remote_addr;
+       u32 max_sge = ic->rds_ibdev->max_sge;
        u32 pos;
        u32 work_alloc;
        u32 i;
@@ -818,8 +818,6 @@ int rds_ib_xmit_rdma(struct rds_connection *conn, struct rm_rdma_op *op)
        int ret;
        int num_sge;
 
-       rds_ibdev = ib_get_client_data(ic->i_cm_id->device, &rds_ib_client);
-
        /* map the op the first time we see it */
        if (!op->op_mapped) {
                op->op_count = ib_dma_map_sg(ic->i_cm_id->device,
@@ -839,7 +837,7 @@ int rds_ib_xmit_rdma(struct rds_connection *conn, struct rm_rdma_op *op)
         * Instead of knowing how to return a partial rdma read/write we insist that there
         * be enough work requests to send the entire message.
         */
-       i = ceil(op->op_count, rds_ibdev->max_sge);
+       i = ceil(op->op_count, max_sge);
 
        work_alloc = rds_ib_ring_alloc(&ic->i_send_ring, i, &pos);
        if (work_alloc != i) {
@@ -867,9 +865,9 @@ int rds_ib_xmit_rdma(struct rds_connection *conn, struct rm_rdma_op *op)
                send->s_wr.wr.rdma.remote_addr = remote_addr;
                send->s_wr.wr.rdma.rkey = op->op_rkey;
 
-               if (num_sge > rds_ibdev->max_sge) {
-                       send->s_wr.num_sge = rds_ibdev->max_sge;
-                       num_sge -= rds_ibdev->max_sge;
+               if (num_sge > max_sge) {
+                       send->s_wr.num_sge = max_sge;
+                       num_sge -= max_sge;
                } else {
                        send->s_wr.num_sge = num_sge;
                }