From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH WIP 00/43] New fast registration API Date: Thu, 23 Jul 2015 02:26:36 -0700 Message-ID: <20150723092636.GD32592@infradead.org> References: <1437548143-24893-1-git-send-email-sagig@mellanox.com> <20150722171023.GA18934@infradead.org> <20150722172702.GE26909@obsidianresearch.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20150722172702.GE26909-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jason Gunthorpe Cc: Christoph Hellwig , Sagi Grimberg , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Liran Liss , Oren Duer List-Id: linux-rdma@vger.kernel.org On Wed, Jul 22, 2015 at 11:27:02AM -0600, Jason Gunthorpe wrote: > What is SRP trying to accomplish with that? > > The only reason that springs to mind is to emulate IB_MR_MAP_ARB_SG ? It's not emulating IB_MR_MAP_ARB_SG, it simply allows muliple memory registrations per I/O request. Be that to support gappy SGLs in a generic way, or to allow larger I/O sizes than the HCA MR size. -- 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