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Date: Sat, 14 Dec 1996 23:14:56 +1100
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199612141214.XAA03949@godzilla.zeta.org.au>
To: bde@zeta.org.au, peter@spinner.DIALix.COM
Subject: Re: cvs vs mount points
Cc: bugs@freebsd.org
Sender: owner-bugs@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk

>> cvs usually begins by lstat'ing all parent directories up to "/" and
>> then all entries in "/".  There are usually a lot of mount points in
>> "/" and lstat'ing them can take a long time if their vnodes are not
>> cached.  E.g., my IDE cdrom on /b takes a couple of seconds to start
>> up.
>> 
>> Bruce
>
>It's just doing a getcwd() library call I think..

So it is.  I was confused by only checking what /bin/pwd did when I was
chdir'ed to tmp.  getcwd() has a special case for mount points and my
/tmp is not a mount point, but my /usr is, so starting up applications
that call getcwd() when I'm chdir'ed to /usr/src is often slow.

Bruce