From mboxrd@z Thu Jan 1 00:00:00 1970 From: Or Gerlitz Subject: Re: [RFC 0/8] Reliably generate large request from SRP Date: Tue, 22 Feb 2011 08:36:36 +0200 Message-ID: <4D635974.10807@mellanox.com> References: <1295411242-26148-1-git-send-email-dillowda@ornl.gov> <1298074037.15679.17.camel@lap75545.ornl.gov> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1298074037.15679.17.camel-FqX9LgGZnHWDB2HL1qBt2PIbXMQ5te18@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: David Dillow Cc: Roland Dreier , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org 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) Or. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html