Update s3api_object_handlers.go

weed/s3api/s3api_object_handlers.go

@@ -2552,6 +2552,8 @@ func (s3a *S3ApiServer) detectPrimarySSEType(entry *filer_pb.Entry) string {
 }
 
 // createMultipartSSECDecryptedReaderDirect creates a reader that decrypts each chunk independently for multipart SSE-C objects (direct volume path)
+// Note: encryptedStream parameter is unused (always nil) as this function fetches chunks directly to avoid double I/O.
+// It's kept in the signature for API consistency with non-Direct versions.
 func (s3a *S3ApiServer) createMultipartSSECDecryptedReaderDirect(ctx context.Context, encryptedStream io.ReadCloser, customerKey *SSECustomerKey, entry *filer_pb.Entry) (io.Reader, error) {
 	// Sort chunks by offset to ensure correct order
 	chunks := entry.GetChunks()
@@ -2627,6 +2629,8 @@ func (s3a *S3ApiServer) createMultipartSSECDecryptedReaderDirect(ctx context.Con
 }
 
 // createMultipartSSEKMSDecryptedReaderDirect creates a reader that decrypts each chunk independently for multipart SSE-KMS objects (direct volume path)
+// Note: encryptedStream parameter is unused (always nil) as this function fetches chunks directly to avoid double I/O.
+// It's kept in the signature for API consistency with non-Direct versions.
 func (s3a *S3ApiServer) createMultipartSSEKMSDecryptedReaderDirect(ctx context.Context, encryptedStream io.ReadCloser, entry *filer_pb.Entry) (io.Reader, error) {
 	// Sort chunks by offset to ensure correct order
 	chunks := entry.GetChunks()