From: Chuck Lever <chuck.lever@oracle.com>
Subject: Re: Connectathon locking test fails over NFSv3 with EBUSY
Date: Wed, 23 Jun 2010 15:55:58 -0400
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Cc: Staubach_Peter@emc.com, linux-nfs@vger.kernel.org
To: Trond Myklebust <Trond.Myklebust@netapp.com>
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On 06/23/10 03:26 PM, Trond Myklebust wrote:
> On Wed, 2010-06-23 at 15:17 -0400, Chuck Lever wrote:
>> On 06/23/10 02:06 PM, Staubach_Peter@emc.com wrote:
>>> Perhaps the oprofile support is retaining an additional reference to the in-core
>>> inode which is causing the .nfsXXXX files to get created and is also delaying their
>>> removal?
>>
>> The files do not appear in oprofiled's fd list (in /proc).  Killing the
>> oprofiled process after the test finishes does make those files go away.
>>    Just shutting down the profiler leaves oprofiled, so additionally
>> killing the daemon appears to be necessary to finish the silly removal
>> process.
>>
>> These files are all executables (part of the connectathon suite), but I
>> don't have the "profile user space binaries" checkbox selected.
>
> OK. That makes more sense... Do these files perhaps appear in
> the /proc/<pid>/maps and/or /proc/<pid>/smaps pseudofile for oprofiled?

I don't see anything suspicious in those files.