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Date: Fri, 3 Mar 2006 09:43:42 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Snapshot heads up for 20060301 2310 version
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On Mar  2 20:27, Eric Blake wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> According to Karl M on 3/2/2006 2:11 PM:
> >>
> >> However, you're aware of the problems with mapping cygdrive to "/", are
> >> you?  You'll never see the list of available drives since the special
> >> cygdrive handling can't kick in for the root dir.  This also results in
> >> a wrong link count for the root dir.  There's no easy way to fix that
> >> and it's definitely not of any priority to us to change this.
> >>
> > What are the implications of having the wrong link count for the root dir?
> 
> Is the link count really wrong?  The problem occurs when the link count of
> / is greater than 1, but is not exactly 2 more than the number of
> subdirectories returned by readdir.  Then programs doing recursive
> traversal, such as find in findutils-4.2.27, fail to visit all
> subdirectories when they take the traditional optimization that they can
> stop stat'ing files to see whether there is another subdirectory to enter
> once link count - 2 subdirectories have been encountered (the other two
> link counts belong to . and ..).  But if readdir doesn't list drive
> letters when 'cygdrive' is set to /, then the link count may be okay after
> all [...]

Yes, you got that right and I got that wrong.  The link count is still
ok, you just can't see the drives.  Maybe it's not that bad after all.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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