3 files changed, 13 insertions, 22 deletions
diff --git a/zenstore/cidstore.cpp b/zenstore/cidstore.cpp
index 509d21abe..6cf9ee734 100644
--- a/zenstore/cidstore.cpp
+++ b/zenstore/cidstore.cpp
@@ -234,23 +234,22 @@ struct CidStore::Impl
 
 	void RemoveCids(CasChunkSet& CasChunks)
 	{
-		RwLock::ExclusiveLockScope _(m_Lock);
-
-		for (auto It = m_CidMap.begin(), End = m_CidMap.end(); It != End;)
+		std::vector<IndexEntry> RemovedEntries;
+		RemovedEntries.reserve(CasChunks.GetSize());
 		{
-			if (CasChunks.ContainsChunk(It->second))
-			{
-				const IoHash& BadHash = It->first;
-
-				// Log a tombstone record
-				LogMapping(BadHash, IoHash::Zero);
-				It = m_CidMap.erase(It);
-			}
-			else
+			RwLock::SharedLockScope _(m_Lock);
+			for (auto It = m_CidMap.begin(), End = m_CidMap.end(); It != End;)
 			{
+				if (CasChunks.ContainsChunk(It->second))
+				{
+					RemovedEntries.push_back({It->first, IoHash::Zero});
+					It = m_CidMap.erase(It);
+					continue;
+				}
 				++It;
 			}
 		}
+		m_LogFile.Append(RemovedEntries);
 	}
 
 	uint64_t m_LastScrubTime = 0;
diff --git a/zenstore/gc.cpp b/zenstore/gc.cpp
index 856f9af02..21522e46a 100644
--- a/zenstore/gc.cpp
+++ b/zenstore/gc.cpp
@@ -212,9 +212,8 @@ GcContext::ContributeCas(std::span<const IoHash> Cas)
 }
 
 void
-GcContext::ContributeCacheKeys(const std::string& Bucket, std::vector<IoHash> ValidKeys, std::vector<IoHash> ExpiredKeys)
+GcContext::ContributeCacheKeys(const std::string& Bucket, std::vector<IoHash>&& ExpiredKeys)
 {
-	m_State->m_CacheBuckets[Bucket].ValidKeys	= std::move(ValidKeys);
 	m_State->m_CacheBuckets[Bucket].ExpiredKeys = std::move(ExpiredKeys);
 }
 
@@ -255,12 +254,6 @@ GcContext::DeletedCas()
 }
 
 std::span<const IoHash>
-GcContext::ValidCacheKeys(const std::string& Bucket) const
-{
-	return m_State->m_CacheBuckets[Bucket].ValidKeys;
-}
-
-std::span<const IoHash>
 GcContext::ExpiredCacheKeys(const std::string& Bucket) const
 {
 	return m_State->m_CacheBuckets[Bucket].ExpiredKeys;
diff --git a/zenstore/include/zenstore/gc.h b/zenstore/include/zenstore/gc.h
index bc8dee9a3..6268588ec 100644
--- a/zenstore/include/zenstore/gc.h
+++ b/zenstore/include/zenstore/gc.h
@@ -53,7 +53,7 @@ public:
 
 	void ContributeCids(std::span<const IoHash> Cid);
 	void ContributeCas(std::span<const IoHash> Hash);
-	void ContributeCacheKeys(const std::string& Bucket, std::vector<IoHash> ValidKeys, std::vector<IoHash> ExpiredKeys);
+	void ContributeCacheKeys(const std::string& Bucket, std::vector<IoHash>&& ExpiredKeys);
 
 	void IterateCids(std::function<void(const IoHash&)> Callback);
 
@@ -64,7 +64,6 @@ public:
 	void		 DeletedCas(std::span<const IoHash> Cas);
 	CasChunkSet& DeletedCas();
 
-	std::span<const IoHash> ValidCacheKeys(const std::string& Bucket) const;
 	std::span<const IoHash> ExpiredCacheKeys(const std::string& Bucket) const;
 
 	bool IsDeletionMode() const;