58 using FileId = int16_t;  typedef
122     FileId file_id;            // 2 bytes
131     FileId file_id;                    // 2 bytes
152     File(const char* filepath, FileId id, int64_t size, unique_fd fd, int64_t tree_offset,  in File()
182     const FileId id;
186     File(const char* filepath, FileId id, int64_t size, int64_t tree_offset)  in File()
239     SendResult SendDataBlock(FileId fileId, BlockIdx blockIdx, bool flush = false);
241     bool SendTreeBlock(FileId fileId, int32_t fileBlockIdx, BlockIdx blockIdx);
242     bool SendTreeBlocksForDataBlock(FileId fileId, BlockIdx blockIdx);
347     request.file_id = readBigEndian<FileId>(&commandBuf[2]);  in ReadRequest()
352 bool IncrementalServer::SendTreeBlocksForDataBlock(const FileId fileId, const BlockIdx blockIdx) {  in SendTreeBlocksForDataBlock()
388 bool IncrementalServer::SendTreeBlock(FileId fileId, int32_t fileBlockIdx, BlockIdx blockIdx) {  in SendTreeBlock()
410 auto IncrementalServer::SendDataBlock(FileId fileId, BlockIdx blockIdx, bool flush) -> SendResult {  in SendDataBlock()
551     std::unordered_set<FileId> prefetchedFiles;  in Serve()
581             FileId fileId = request->file_id;  in Serve()
597                     if (fileId < 0 || fileId >= (FileId)files_.size() || blockIdx < 0 ||  in Serve()