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src/core/surface/call.c

@@ -374,6 +374,8 @@ grpc_call *grpc_call_create(grpc_channel *channel, grpc_call *parent_call,
     }
     /* for now GRPC_PROPAGATE_TRACING_CONTEXT *MUST* be passed with
      * GRPC_PROPAGATE_STATS_CONTEXT */
+    /* TODO(ctiller): This should change to use the appropriate census start_op
+     * call. */
     if (propagation_mask & GRPC_PROPAGATE_CENSUS_TRACING_CONTEXT) {
       GPR_ASSERT(propagation_mask & GRPC_PROPAGATE_CENSUS_STATS_CONTEXT);
       grpc_call_context_set(call, GRPC_CONTEXT_TRACING,