bug#5833: 23.1.94; Opening files on network shares on w32 is slow

[Mathias Dahl]

> 7 seconds is an eternity for such small files.

I know :)

> Btw, is "C-x C-f" faster than Dired, by any chance?

No, at least not enough to be measured with a stop watch.

> Can you tell if setting the following variables has any effect?
>
>  (setq vc-handled-backends nil)

>From having taken close to 8 seconds (tried repeatedly), after this
change it takes almost 6, so 2 s better. Still a long time, but
better.

>  (setq locate-dominating-stop-dir-regexp "")

That maybe shaves off half a second. Again, hard to done any
scientific tests using a physical stop watch.

/Mathias