[openib-general] Re: Some Initial RMPP Comments and Questions

[Hal Rosenstock]

On Fri, 2005-04-29 at 18:09, Sean Hefty wrote:
> By the time the kernel client gets the MAD, it's been reassembled, and 
> the exact size that's needed is known.  So, I don't think that this is 
> an issue for kernel clients.
> 
> Maybe you could add a peek for usermode or have read return the correct 
> size if the requested size is too small.  

I especially like the requested size too small touch. That saves a
potential extra operation.

> Since you have to do a data 
> copy for usermode anyway, I think it makes sense to just return the 
> coalesced buffer.  This makes me think that I should implement 
> ib_coalesce_recv_mad() now.

That would make the receive side of user space much easier. Shall I
defer implementing this part until coalesce is implemented ?

Thanks.

-- Hal