Return-Path: Received: from mga09.intel.com ([134.134.136.24]:31455 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758696AbbGHROG convert rfc822-to-8bit (ORCPT ); Wed, 8 Jul 2015 13:14:06 -0400 From: "Hefty, Sean" To: Sagi Grimberg , "'Christoph Hellwig'" CC: Jason Gunthorpe , 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 Date: Wed, 8 Jul 2015 17:14:04 +0000 Message-ID: <1828884A29C6694DAF28B7E6B8A82373A8FFD4C0@ORSMSX109.amr.corp.intel.com> References: <559AAA22.1000608@dev.mellanox.co.il> <20150707090001.GB11736@infradead.org> <559B9891.8060907@dev.mellanox.co.il> <000b01d0b8bd$f2bfcc10$d83f6430$@opengridcomputing.com> <20150707161751.GA623@obsidianresearch.com> <559BFE03.4020709@dev.mellanox.co.il> <20150707213628.GA5661@obsidianresearch.com> <559CD174.4040901@dev.mellanox.co.il> <20150708081320.GB24203@infradead.org> <559CF5E8.6080000@dev.mellanox.co.il> <20150708102035.GA28421@infradead.org> <559D0498.9050809@dev.mellanox.co.il> In-Reply-To: <559D0498.9050809@dev.mellanox.co.il> Content-Type: text/plain; charset="Windows-1252" MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org List-ID: > I am still not clear if all of us agree that we need it. > Sean and Steve had some disclaimers... A single entry point doesn't help a whole lot if the app must deal with different behavior based on how the API is used. We have a single entry point for post_send, for example, and that makes things worse. IMO, we need fewer registration *methods* not fewer calls.