public async ValueTask Flush()
{
if (_LengthChanged)
{
await InnerStorage.Resize(Length);
}
foreach (var page in pages.Where(p => p.Value.Dirty))
{
await FlushPage(page.Value);
}
await InnerStorage.Flush();
_LengthChanged = false;
}
/// <summary>
/// Make sure the underlying file can grow to write the data to commit
/// </summary>
/// <returns></returns>
public async ValueTask ResizeInner()
{
await InnerStorage.Resize(Length);
}