Return-Path: Received: from userp1040.oracle.com ([156.151.31.81]:34924 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751676AbdATSRU (ORCPT ); Fri, 20 Jan 2017 13:17:20 -0500 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) Subject: Re: [PATCH v1 0/5] Fix "support large inline thresholds" From: Chuck Lever In-Reply-To: <021301d27342$e9f59fb0$bde0df10$@opengridcomputing.com> Date: Fri, 20 Jan 2017 10:17:17 -0800 Cc: linux-rdma@vger.kernel.org, Linux NFS Mailing List Message-Id: <367EA1AA-83EF-4772-B369-F14A3AF198F1@oracle.com> References: <20170113173023.32692.30661.stgit@manet.1015granger.net> <021301d27342$e9f59fb0$bde0df10$@opengridcomputing.com> To: Steve Wise Sender: linux-nfs-owner@vger.kernel.org List-ID: > On Jan 20, 2017, at 9:30 AM, Steve Wise wrote: > >> >> I've received a number of reports that v4.9 commit 655fec6987be >> ("xprtrdma: Use gathered Send for large inline messages") causes >> NFS/RDMA mounts to fail for devices that have a small max_sge. >> >> This series addresses that problem. >> >> A much smaller fix was provided initially. It worked for devices >> with as small as five send SGEs. However, additional research has >> shown that there is at least one in-tree device that supports only >> three send SGEs. >> >> The current series should enable NFS/RDMA again on those devices. >> >> >> Available in the "nfs-rdma-for-4.10-rc" topic branch of this git repo: >> >> git://git.linux-nfs.org/projects/cel/cel-2.6.git > > Hey Chuck, > > Tests ok on cxgb4. > > Tested-by: Steve Wise Thanks. I've also received confirmation that Ram's device works now, and ocrdma's issue is cleared too. I'll post a final version of this series on Monday. -- Chuck Lever