[Pvfs2-developers] Re: compile error w/ openIB

Scott Atchley atchley at myri.com
Tue Jan 23 08:28:20 EST 2007


On Jan 21, 2007, at 5:58 PM, Scott Atchley wrote:

> On Jan 21, 2007, at 3:55 PM, Pete Wyckoff wrote:
>
>> Oh, bmi_size_t is signed apparently.  Not sure why I did not notice
>> this before.  I'll change it as follows.  Thanks.
>>
>> debug(2, "%s: sq %p len %lld peer %s", __func__, sq, (long long)  
>> total_size,
>>            ibmap->c->peername);
>
> Pete et al,
>
> Does BMI_meth_post_send[unexpected|list]() ever get called with a  
> size greater than 2^31 (singed int)?
>
> I think MX has a limit of 2^31. If it needs to be higher for PVFS2,  
> I can check into it.
>
> Thanks,
>
> Scott

Never mind. I should have read the code before commenting.

A single transfer is limited to 256 segments, _each_ of which can be  
4 GB (unsigned int).

I will update my code to handle larger than 4 GB transfers. :-)

Scott


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