[openib-general] Re: Re: libibverbs and max inline data

[Sean Hefty]

Michael S. Tsirkin wrote:
>>ib[v]_create_qp should return an error when an unsupported inline data 
>>size is requested.
> 
> Why is it important? The user could always check the max_inline_data
> returned and close the qp if thats too small, but I dont see
> many users doing this - inline data is mainly a tuning opportunity.

The user could also try to create the QP again if the request fails.  IMO, a 
return value of success should be sufficient for an app to determine if a 
request was successful.  Automatically reducing the inline data size 
requested by the user, but indicating success is similar to allocating a QP 
smaller than what was requested, but still indicating success.

- Sean