Adaptation of IO classes to the VTs

[Brian S O'Neill]

 > On 2023-07-05 04:57 AM, Ron Pressler wrote:
> But for filesystem operations where an asynchronous version is not provided by the OS, the OS blocks the OS thread, and in those situations the virtual thread scheduler compensates by adding more workers.

I recently noticed that this compensation isn't being performed by the 
FileDescriptor.sync method. Am I mistaken?