208   uint64_t OffsetInBlock = Offset % BlockSize;  in tryReadContiguously()  local
209   uint64_t BytesFromFirstBlock = std::min(Size, BlockSize - OffsetInBlock);  in tryReadContiguously()
232   BlockData = BlockData.drop_front(OffsetInBlock);  in tryReadContiguously()
240   uint64_t OffsetInBlock = Offset % BlockSize;  in readBytes()  local
257     const uint8_t *ChunkStart = BlockData.data() + OffsetInBlock;  in readBytes()
258     uint64_t BytesInChunk = std::min(BytesLeft, BlockSize - OffsetInBlock);  in readBytes()
264     OffsetInBlock = 0;  in readBytes()
392   uint64_t OffsetInBlock = Offset % getBlockSize();  in writeBytes()  local
399         std::min(BytesLeft, getBlockSize() - OffsetInBlock);  in writeBytes()
404     MsfOffset += OffsetInBlock;  in writeBytes()
411     OffsetInBlock = 0;  in writeBytes()