[Pvfs2-developers] Small I/O - Write response doesn't fill in total_completed

Sam Lang slang at mcs.anl.gov
Wed Feb 22 15:53:57 EST 2006


Hi Avery,

Can you let me know what version of pvfs2 you're using, and also the  
patterns of the reads you're doing (the memory request and file  
request structures passed to sys_read)?

Thanks,

-sam

On Feb 22, 2006, at 2:05 PM, Avery Ching wrote:

> Hi guys,
> 	I've been trying to debug a nasty noncontiguous I/O problem in PVFS2
> and noticed a problem with the small I/O case.  It appears that the
> resp_io.total_completed = 0 in the write case even though some data
> seems to be written to the file.  I was thinking it might be  
> because the
> small_io_completion_fn() in sys-small.sm seems to only process the  
> read
> case...but I'm not really sure at this point.  Any thoughts?
>
> Avery
>
> _______________________________________________
> Pvfs2-developers mailing list
> Pvfs2-developers at beowulf-underground.org
> http://www.beowulf-underground.org/mailman/listinfo/pvfs2-developers
>



More information about the Pvfs2-developers mailing list