1 files changed, 6 insertions, 37 deletions

diff --git a/src/core/lib/channel/channel_stack.c b/src/core/lib/channel/channel_stack.c
index 8f08b427fb..ec973d4e7f 100644
--- a/src/core/lib/channel/channel_stack.c
+++ b/src/core/lib/channel/channel_stack.c
@@ -170,7 +170,7 @@ grpc_error *grpc_call_stack_init(
     grpc_exec_ctx *exec_ctx, grpc_channel_stack *channel_stack,
     int initial_refs, grpc_iomgr_cb_func destroy, void *destroy_arg,
     grpc_call_context_element *context, const void *transport_server_data,
-    grpc_mdstr *path, gpr_timespec start_time, gpr_timespec deadline,
+    grpc_slice path, gpr_timespec start_time, gpr_timespec deadline,
     grpc_call_stack *call_stack) {
   grpc_channel_element *channel_elems = CHANNEL_ELEMS_FROM_STACK(channel_stack);
   grpc_call_element_args args;
@@ -288,41 +288,10 @@ grpc_call_stack *grpc_call_stack_from_top_element(grpc_call_element *elem) {
       sizeof(grpc_call_stack)));
 }
 
-static void destroy_op(grpc_exec_ctx *exec_ctx, void *op, grpc_error *error) {
-  gpr_free(op);
-}
-
-void grpc_call_element_send_cancel(grpc_exec_ctx *exec_ctx,
-                                   grpc_call_element *elem) {
-  grpc_transport_stream_op *op = gpr_malloc(sizeof(*op));
-  memset(op, 0, sizeof(*op));
-  op->cancel_error = GRPC_ERROR_CANCELLED;
-  op->on_complete =
-      grpc_closure_create(destroy_op, op, grpc_schedule_on_exec_ctx);
-  elem->filter->start_transport_stream_op(exec_ctx, elem, op);
-}
-
-void grpc_call_element_send_cancel_with_message(grpc_exec_ctx *exec_ctx,
-                                                grpc_call_element *elem,
-                                                grpc_status_code status,
-                                                grpc_slice *optional_message) {
-  grpc_transport_stream_op *op = gpr_malloc(sizeof(*op));
-  memset(op, 0, sizeof(*op));
-  op->on_complete =
-      grpc_closure_create(destroy_op, op, grpc_schedule_on_exec_ctx);
-  grpc_transport_stream_op_add_cancellation_with_message(exec_ctx, op, status,
-                                                         optional_message);
-  elem->filter->start_transport_stream_op(exec_ctx, elem, op);
-}
-
-void grpc_call_element_send_close_with_message(grpc_exec_ctx *exec_ctx,
-                                               grpc_call_element *elem,
-                                               grpc_status_code status,
-                                               grpc_slice *optional_message) {
-  grpc_transport_stream_op *op = gpr_malloc(sizeof(*op));
-  memset(op, 0, sizeof(*op));
-  op->on_complete =
-      grpc_closure_create(destroy_op, op, grpc_schedule_on_exec_ctx);
-  grpc_transport_stream_op_add_close(exec_ctx, op, status, optional_message);
+void grpc_call_element_signal_error(grpc_exec_ctx *exec_ctx,
+                                    grpc_call_element *elem,
+                                    grpc_error *error) {
+  grpc_transport_stream_op *op = grpc_make_transport_stream_op(NULL);
+  op->cancel_error = error;
   elem->filter->start_transport_stream_op(exec_ctx, elem, op);
 }