kqueue/kevent - watching an entire filesystem?

[Mikhail T.]

On 25.12.2017 12:41, Conrad Meyer wrote:
> I'm afraid there is nothing better than recursively opening
> subdirectories to monitor a tree (even a whole filesystem) with
> kqueue/kevent.

I wonder, how difficult it would be to implement the kevent-filter 
neccesary for this instead. Can it be just a module, or would it have to 
modify other places in the kernel?

    -mi