Call progress on send schedule so that prepare_src can run if the rdma ack

lands between sending fragments up to rdma_offset. 

This commit was SVN r6646.

ompi/mca/pml/ob1/pml_ob1.c

@@ -355,6 +355,7 @@ int mca_pml_ob1_add_procs(ompi_proc_t** procs, size_t nprocs)
                 endpoint->btl_send = btl->btl_send;
                 endpoint->btl_put = btl->btl_put;
                 endpoint->btl_get = btl->btl_get;
+                endpoint->btl_progress = btl->btl_component->btl_progress; 
             }
         }
         if(btl_inuse > 0 && NULL != btl->btl_component->btl_progress) {

ompi/mca/pml/ob1/pml_ob1_endpoint.h

@@ -51,6 +51,7 @@ struct mca_pml_ob1_endpoint_t {
     mca_btl_base_module_prepare_fn_t btl_prepare_dst;
     mca_btl_base_module_put_fn_t     btl_put;
     mca_btl_base_module_get_fn_t     btl_get;
+    mca_btl_base_component_progress_fn_t btl_progress; 
 };
 typedef struct mca_pml_ob1_endpoint_t mca_pml_ob1_endpoint_t;
 

ompi/mca/pml/ob1/pml_ob1_sendreq.c

@@ -483,6 +483,7 @@ int mca_pml_ob1_send_request_schedule(mca_pml_ob1_send_request_t* sendreq)
                 if(bytes_remaining == 0)
                     sendreq->t_scheduled = get_profiler_timestamp();
 #endif
+                ep->btl_progress(); /* call progress */  
             }
         } while (OPAL_THREAD_ADD32(&sendreq->req_lock,-1) > 0);
     }