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

[Eli Zaretskii]

> From: Mathias Dahl <mathias.dahl@gmail.com>
> Date: Sat, 3 Apr 2010 23:16:48 +0200
> Cc: 
> 
> emacs -Q
> C-x C-f //some_server/some_share/ RET
> Then, on some file in Dired, opened a file with f or RET.
> 
> This operation is much slower than the same operation done using
> Notepad. For a file about 80 KB in size it takes about one second in
> Notepad and 5-6 seconds in Emacs.

Does it help to set w32-get-true-file-attributes to a nil value?

Also, is this a regression in the last pretest?  IOW, when was the
last time you tried visiting files on that remote file system and it
was much faster than what you see now with 23.1.94?

Thanks.