Return-Path: Received: from quartz.orcorp.ca ([184.70.90.242]:46622 "EHLO quartz.orcorp.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751149AbbGMQfL (ORCPT ); Mon, 13 Jul 2015 12:35:11 -0400 Date: Mon, 13 Jul 2015 10:35:02 -0600 From: Jason Gunthorpe To: "'Christoph Hellwig'" Cc: Sagi Grimberg , Tom Talpey , Steve Wise , dledford@redhat.com, sagig@mellanox.com, ogerlitz@mellanox.com, roid@mellanox.com, linux-rdma@vger.kernel.org, eli@mellanox.com, target-devel@vger.kernel.org, linux-nfs@vger.kernel.org, trond.myklebust@primarydata.com, bfields@fieldses.org, Oren Duer Subject: Re: [PATCH V3 1/5] RDMA/core: Transport-independent access flags Message-ID: <20150713163502.GB23832@obsidianresearch.com> References: <20150707161751.GA623@obsidianresearch.com> <559BFE03.4020709@dev.mellanox.co.il> <20150707213628.GA5661@obsidianresearch.com> <559CD174.4040901@dev.mellanox.co.il> <20150708190842.GB11740@obsidianresearch.com> <559D983D.6000804@talpey.com> <20150708233604.GA20765@obsidianresearch.com> <559E54AB.2010905@dev.mellanox.co.il> <20150709170142.GA21921@obsidianresearch.com> <20150711102538.GB14741@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20150711102538.GB14741@infradead.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Sat, Jul 11, 2015 at 03:25:38AM -0700, 'Christoph Hellwig' wrote: > So a FRMR-like API that allows to use FMRs underneath might be a good > start. If the imput to that API are S/G lists as in my suggestion we'll > get indirect registration support almost for free. That would be an excellent outcome in my view. Jason