mtl/ofi: log request type on callback error

Currently the log does not provide enough information to debug callback failures.
This patch adds the request type to guide the developer to the corresponding
callback function.

Signed-off-by: Wenduo Wang <wenduwan@amazon.com>

Author: wenduwan

ompi/mca/mtl/ofi/mtl_ofi.h

@@ -153,9 +153,10 @@ ompi_mtl_ofi_context_progress(int ctxt_id)
                 assert(ofi_req);
                 ret = ofi_req->event_callback(&ompi_mtl_ofi_wc[i], ofi_req);
                 if (OMPI_SUCCESS != ret) {
-                    opal_output(0, "%s:%d: Error returned by request event callback: %zd.\n"
-                                   "*** The Open MPI OFI MTL is aborting the MPI job (via exit(3)).\n",
-                                   __FILE__, __LINE__, ret);
+                    opal_output(0,
+                                "%s:%d: Error returned by request (type: %d) event callback: %zd.\n"
+                                "*** The Open MPI OFI MTL is aborting the MPI job (via exit(3)).\n",
+                                __FILE__, __LINE__, ofi_req->type, ret);
                     fflush(stderr);
                     exit(1);
                 }
@@ -671,6 +672,7 @@ ompi_mtl_ofi_ssend_recv(ompi_mtl_ofi_request_t *ack_req,
     assert(ack_req);
 
     ack_req->parent = ofi_req;
+    ack_req->type = OMPI_MTL_OFI_ACK;
     ack_req->event_callback = ompi_mtl_ofi_send_ack_callback;
     ack_req->error_callback = ompi_mtl_ofi_send_ack_error_callback;
 
@@ -882,6 +884,7 @@ ompi_mtl_ofi_send_generic(struct mca_mtl_base_module_t *mtl,
     /**
      * Create a send request, start it and wait until it completes.
      */
+    ofi_req.type = OMPI_MTL_OFI_SEND;
     ofi_req.event_callback = ompi_mtl_ofi_send_callback;
     ofi_req.error_callback = ompi_mtl_ofi_send_error_callback;
 
@@ -1130,6 +1133,7 @@ ompi_mtl_ofi_isend_generic(struct mca_mtl_base_module_t *mtl,
     }
     set_thread_context(ctxt_id);
 
+    ofi_req->type = OMPI_MTL_OFI_SEND;
     ofi_req->event_callback = ompi_mtl_ofi_isend_callback;
     ofi_req->error_callback = ompi_mtl_ofi_send_error_callback;
 
@@ -1142,7 +1146,6 @@ ompi_mtl_ofi_isend_generic(struct mca_mtl_base_module_t *mtl,
     ompi_ret = ompi_mtl_datatype_pack(convertor, &start, &length, &free_after);
     if (OPAL_UNLIKELY(OMPI_SUCCESS != ompi_ret)) return ompi_ret;
 
-    ofi_req->type = OMPI_MTL_OFI_SEND;
     ofi_req->buffer = (free_after) ? start : NULL;
     ofi_req->length = length;
     ofi_req->status.MPI_ERROR = OMPI_SUCCESS;