// Sets the file_info struct for the file with the given handle. This sets the
// file size, creation time, etc.
NTSTATUS CloudStorageFs::GetFileInfoHelper(const FileDescription& file_description, Fsp::FileSystemBase::FileInfo* file_info) {
  BY_HANDLE_FILE_INFORMATION by_handle_file_info;

  if (!GetFileInformationByHandle(file_description.handle, &by_handle_file_info)) {
    return FspNtStatusFromWin32(GetLastError());
  }

  file_info->FileAttributes = by_handle_file_info.dwFileAttributes;
  file_info->ReparseTag = 0;
  file_info->AllocationSize = RoundToAllocationUnit(file_info->FileSize);
  file_info->CreationTime = GetUint64FromLowAndHigh(
      by_handle_file_info.ftCreationTime.dwLowDateTime,
      by_handle_file_info.ftCreationTime.dwHighDateTime);
  file_info->LastAccessTime = GetUint64FromLowAndHigh(
      by_handle_file_info.ftLastAccessTime.dwLowDateTime,
      by_handle_file_info.ftLastAccessTime.dwHighDateTime);
  file_info->LastWriteTime = GetUint64FromLowAndHigh(
      by_handle_file_info.ftLastWriteTime.dwLowDateTime,
      by_handle_file_info.ftLastWriteTime.dwHighDateTime);
   file_info->ChangeTime = file_info->LastWriteTime;
   file_info->IndexNumber = 0;
   file_info->HardLinks = 0;

  // If a ghost file, we have to pull the size from GCS.
  if (file_description.is_ghost) {
         std::uint64_t size;
         bool exists = gcs_client_.GetSize(file_description.name, &size);
         if (!exists) {
                 return ERROR_FILE_NOT_FOUND;
         }
         file_info->FileSize = size;
         return STATUS_SUCCESS;
  }

  // Otherwise get the file size as normal.
  file_info->FileSize = GetUint64FromLowAndHigh(
      by_handle_file_info.nFileSizeLow, by_handle_file_info.nFileSizeHigh);

  // Finally set directory attributes if applicable.
  if (by_handle_file_info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
         file_info->FileAttributes =
                 file_info->FileAttributes | FILE_ATTRIBUTE_DIRECTORY;
  }

  return STATUS_SUCCESS;
}