Re: [RFC 0/8] Reliably generate large request from SRP

David Dillow
2011-02-22T14:49:50Z

On Tue, 2011-02-22 at 08:36 +0200, Or Gerlitz wrote:
> David Dillow wrote:
> > It looks like I can only have up to 256 keys for each fast page
> > registration MR, so that seems to limit the mappings in flight
>
> My understanding is that for --specific-- MR, its associated rkey would
> wrap every 256 mappings see ib_update_fast_reg_key and friends. And
> anyway, for specific MR you can have only one mapping living at any
> point of time (e.g set before sending the request, invalidated remotely
> with the response or locally after getting the response)

Thanks for the note Or -- you confirmed my suspensions after testing
last night. Looks like multiple MRs per request, then.
--
Dave Dillow
National Center for Computational Science
Oak Ridge National Laboratory
(865) 241-6602 office