public static DiskIo OpenFile(string fileName, MemoryPool pool, bool isReadOnly)
{
int fileStructureBlockSize;
CustomFileStream fileStream = CustomFileStream.OpenFile(fileName, pool.PageSize, out fileStructureBlockSize, isReadOnly, true);
DiskMedium disk = DiskMedium.OpenFile(fileStream, pool, fileStructureBlockSize);
return new DiskIo(disk, isReadOnly);
}
}