need to call mpool_release on all registrations obtained in the pml.

sanity checks 

This commit was SVN r7530.

ompi/mca/mpool/base/mpool_base_mem_cb.c

@@ -69,6 +69,13 @@ void mca_mpool_base_mem_cb(void* base, size_t size, void* cbdata)
                     if(base_addr < (void*) reg->bound) { 
                         base_addr = down_align_addr( reg->bound, mca_mpool_base_page_size_log ); 
                     }
+                    if(reg->flags & MCA_MPOOL_FLAGS_CACHE) { 
+                        assert(reg->ref_count <= 3);
+                    } else if(reg->flags & MCA_MPOOL_FLAGS_PERSIST) { 
+                        assert(reg->ref_count <= 2); 
+                    } else { 
+                        assert(reg->ref_count <= 1); 
+                    }
                     current->mpool_module->mpool_deregister(current->mpool_module, reg); 
                 }
             }

ompi/mca/mpool/mvapi/mpool_mvapi_module.c

@@ -210,7 +210,7 @@ int mca_mpool_mvapi_release(
     mca_mpool_base_registration_t* registration
     )
 {
-    if(0 == OPAL_THREAD_ADD32(&registration->ref_count, -1)) {
+    if(0 >= OPAL_THREAD_ADD32(&registration->ref_count, -1)) {
         VAPI_ret_t ret; 
         mca_mpool_mvapi_module_t * mpool_mvapi = (mca_mpool_mvapi_module_t*) mpool; 
         mca_mpool_mvapi_registration_t * vapi_reg; 

ompi/mca/pml/ob1/pml_ob1_recvreq.c

@@ -403,7 +403,11 @@ static void mca_pml_ob1_recv_request_rget(
         bml_btl, 
         recvreq->req_recv.req_base.req_addr,
         recvreq->req_recv.req_bytes_packed);
-
+    
+    recvreq->req_rdma[0].bml_btl = bml_btl; 
+    recvreq->req_rdma[0].btl_reg = reg;
+    recvreq->req_rdma_cnt = 1;
+    
     /* prepare descriptor */
     mca_bml_base_prepare_dst(
         bml_btl,