From 17ecec00ebe6f1bbb5f78bb94021292789dd5a35 Mon Sep 17 00:00:00 2001
From: George Wangensteen <george.wangensteen@mongodb.com>
Date: Tue, 16 May 2023 22:34:21 +0000
Subject: SERVER-77085 Ensure PinnedConnectionTaskExecutor sends requests to
 the network in the order they were scheduled.

---
 src/mongo/executor/pinned_connection_task_executor.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mongo/executor/pinned_connection_task_executor.cpp b/src/mongo/executor/pinned_connection_task_executor.cpp
index 0d6d7570b72..7f5de69fa39 100644
--- a/src/mongo/executor/pinned_connection_task_executor.cpp
+++ b/src/mongo/executor/pinned_connection_task_executor.cpp
@@ -170,7 +170,7 @@ StatusWith<TaskExecutor::CallbackHandle> PinnedConnectionTaskExecutor::scheduleR
               "RPCs scheduled through PinnedConnectionTaskExecutor can only target a single host.");
     RemoteCommandRequest req = RemoteCommandRequest(requestOnAny, 0);
     auto state = PinnedConnectionTaskExecutor::CallbackState::make(cb, baton);
-    _requestQueue.push_front({req, state});
+    _requestQueue.push_back({req, state});
 
     CallbackHandle cbHandle;
     setCallbackForHandle(&cbHandle, state);
-- 
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