[OpenAFS] File locking

2014-07-17 Thread Todd Lewis
We have a commercial application we've been running for years on an openafs-1.4.14 client on a RedHat Linux box. This week we upgraded the client to 1.6.9, but quickly had to revert. The difference has to do with file locking. The section of strace output below shows the behavior in the old

Re: [OpenAFS] File locking

2014-07-17 Thread chas williams - CONTRACTOR
On Thu, 17 Jul 2014 10:07:07 -0400 Todd Lewis todd_le...@unc.edu wrote: Was there some change in file locking semantics that would make sense of this? Does this application tickle a corner case error in openafs's file locking, or does more rigorous lock handling in the newer client expose a

[OpenAFS] Re: File locking

2014-07-17 Thread Andrew Deason
On Thu, 17 Jul 2014 10:07:07 -0400 Todd Lewis todd_le...@unc.edu wrote: Was there some change in file locking semantics that would make sense of this? Does this application tickle a corner case error in openafs's file locking, or does more rigorous lock handling in the newer client expose a

Re: [OpenAFS] Re: File locking

2014-07-17 Thread Todd Lewis
Andrew, The suggested patch was applied, installed, and our application now works correctly again with the new client. Thank you very much for your timely response. Looking forward to this patch making its way to release soon. -- todd_le...@unc.edu On 07/17/2014 11:59 AM, Andrew Deason

Re: [OpenAFS] Re: File locking

2014-07-17 Thread Stephan Wiesand
Todd, unless there's a problem found with it, this patch will be part of the next ordinary stable release. Thanks a lot for reporting your problems with 1.6 and reporting back on the proposed fix. And Kudos to Andrew for whipping that up so swiftly. Stephan On Jul 17, 2014, at 21:20