2 files changed, 8 insertions, 2 deletions
diff --git a/src/zenstore/include/zenstore/blockstore.h b/src/zenstore/include/zenstore/blockstore.h
index c28aa8102..7ef2f7baa 100644
--- a/src/zenstore/include/zenstore/blockstore.h
+++ b/src/zenstore/include/zenstore/blockstore.h
@@ -110,6 +110,7 @@ private:
 };
 
 class BlockStoreCompactState;
+class WorkerThreadPool;
 
 class BlockStore
 {
@@ -178,8 +179,9 @@ public:
 						const ClaimDiskReserveCallback&		   DiskReserveCallback = []() { return 0; });
 
 	void IterateChunks(const std::vector<BlockStoreLocation>& ChunkLocations,
-					   const IterateChunksSmallSizeCallback&  SmallSizeCallback,
-					   const IterateChunksLargeSizeCallback&  LargeSizeCallback);
+					   const IterateChunksSmallSizeCallback&  AsyncSmallSizeCallback,
+					   const IterateChunksLargeSizeCallback&  AsyncLargeSizeCallback,
+					   WorkerThreadPool*					  OptionalWorkerPool);
 
 	void CompactBlocks(
 		const BlockStoreCompactState&	CompactState,
diff --git a/src/zenstore/include/zenstore/cidstore.h b/src/zenstore/include/zenstore/cidstore.h
index 54f562767..d95fa7cd4 100644
--- a/src/zenstore/include/zenstore/cidstore.h
+++ b/src/zenstore/include/zenstore/cidstore.h
@@ -18,6 +18,7 @@ class CasStore;
 class CompressedBuffer;
 class IoBuffer;
 class ScrubContext;
+class WorkerThreadPool;
 
 struct CidStoreSize
 {
@@ -79,6 +80,9 @@ public:
 										std::span<IoHash>	RawHashes,
 										InsertMode			Mode = InsertMode::kMayBeMovedInPlace);
 	virtual IoBuffer		  FindChunkByCid(const IoHash& DecompressedId) override;
+	bool					  IterateChunks(std::span<IoHash>												  DecompressedIds,
+											const std::function<bool(size_t Index, const IoBuffer& Payload)>& AsyncCallback,
+											WorkerThreadPool*												  OptionalWorkerPool);
 	bool					  ContainsChunk(const IoHash& DecompressedId);
 	void					  FilterChunks(HashKeySet& InOutChunks);
 	void					  Flush();