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Clarifications: CVS Import Bug - Please Respond

From: Oproescu Bogdan (KTXA 3)
Subject: Clarifications: CVS Import Bug - Please Respond
Date: Thu, 11 Aug 2005 16:35:35 +0200

   Hi Derek and all, 

   So, which one is the problem here: is it that RCS-style locks 
   don't work correctly on their NFS-mounted file systems, or is it 
   simply that the source code of CVS is incorrect and omits File 
   and Directory locking prior to cvs imports? You described a fix
   for the second issue when CVS source code is incorrect, but if 
   this was also the case how would we make RCS locks work on NFS? 

   Cheers & Regards, Bogdan 

   Bogdan Oproescu 

   Technology & Services
   Advanced Middleware &
   Development Environments KTXA 3 
   Postfach 600
   CH-8070 Z├╝rich
   Tel.: +41 1 334 6846
   Fax.:+41 1 332 8024
   E-Mail: bogdan.oproescu@credit-suisse.ch
   Internet: http://www.credit-suisse.ch/de/index.html

-----Original Message-----
From: Derek Price [mailto:derek@ximbiot.com] 
Sent: Wednesday, August 10, 2005 11:18 PM
To: Larry Jones
Cc: Oproescu Bogdan (KTXA 3); 'bug-cvs@nongnu.org'; 'Bernd Jendrissek'
Subject: Re: Next Steps: CVS Import Bug - Please Respond

Larry Jones wrote:

>Derek Price writes:
>>Actually, though atomicity and locking are disjoint concepts, it sure
>>looks like import is skipping directory locks.  Please see my previous post.
>Our posts crossed in the e-mail.  I'm simply astounded -- if anyone else
>had said it, I don't think I would have believed it.  I can't believe no
>one has ever reported it before.

I just waded through the code and can barely believe it myself.  I had
only meant to glance through to refresh my memory...

>It's also possible that the RCS-style locks don't work correctly on
>their NFS-mounted file system.

Perhaps no one has reported this before because the RCS locks have been
saving people in general.  This particular combination of an NFS mounted
repo and heavily used imports may be rare.



Derek R. Price
CVS Solutions Architect
Ximbiot <http://ximbiot.com>
v: +1 717.579.6168
f: +1 717.234.3125

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