From 005dd44919cdd25159bd5ad474eae6cc0d034996 Mon Sep 17 00:00:00 2001
From: Sebastian Burckhardt <sburckha@microsoft.com>
Date: Tue, 15 Feb 2022 15:07:17 -0800
Subject: [PATCH] do not remove ioPendingRequests in RMWAsync if there was no
 disk request

---
 cs/src/core/Async/RMWAsync.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/cs/src/core/Async/RMWAsync.cs b/cs/src/core/Async/RMWAsync.cs
index 0c1b0fd53..3a0f57d82 100644
--- a/cs/src/core/Async/RMWAsync.cs
+++ b/cs/src/core/Async/RMWAsync.cs
@@ -62,7 +62,10 @@ public bool CompletePendingIO(IFasterSession<Key, Value, Input, Output, Context>
             /// <inheritdoc/>
             public void DecrementPending(FasterExecutionContext<Input, Output, Context> currentCtx, ref PendingContext<Input, Output, Context> pendingContext)
             {
-                currentCtx.ioPendingRequests.Remove(pendingContext.id);
+                if (!this.diskRequest.IsDefault())
+                {
+                    currentCtx.ioPendingRequests.Remove(pendingContext.id);
+                }
                 currentCtx.asyncPendingCount--;
                 currentCtx.pendingReads.Remove();
             }