[dcmf] [PATCH 2/3] Use naive strided routines for af_ufs.

Bob Cernohous bobc at us.ibm.com
Fri Feb 15 14:22:56 CST 2008


robl at mcs.anl.gov (Robert Latham) wrote on 02/15/2008 01:18:33 PM:

> On Fri, Feb 15, 2008 at 01:09:45PM -0600, Robert Latham wrote:
> > On Fri, Feb 15, 2008 at 01:02:26PM -0600, Bob Cernohous wrote:
> > > Ok, but the problem I had was non-PVFS.  Your patch enables ad_ufs. 
So 
> > > someone *could* use ufs:filename on non-PVFS, whether we think that 
makes 
> > > sense or not.  So I tried the romio testcase on GPFS and NFS using 
-fname 
> > > ufs:test.   The noncontig tests failed with 
ADIOI_NOLOCK_WriteStrided. 
> > > They worked with ADIOI_GEN_WriteStrided_naive.
> > 
> > I'll look into that.  Doesn't make sense to me.  Perhaps I've
> > introduced some bugs.  Certainly 'correct' wins, but I'm pretty sure
> > NOLOCK should work for everything. 
> 
> Hey you know what this is most likely?  It's probably 97586a12a13b1298
> (which I just sent to the list).

That seemed to fix it for me.

Bob Cernohous:  (T/L 553) 507-253-6093

BobC at us.ibm.com
IBM Rochester, Building 030-2(C335), Department 61L
3605 Hwy 52 North, Rochester,  MN 55901-7829

> Chaos reigns within.
> Reflect, repent, and reboot.
> Order shall return.
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