From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 179F7C43441 for ; Mon, 19 Nov 2018 15:46:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CFC2E20851 for ; Mon, 19 Nov 2018 15:45:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tUbFpQ2N" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CFC2E20851 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nfs-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729886AbeKTCJ5 (ORCPT ); Mon, 19 Nov 2018 21:09:57 -0500 Received: from mail-io1-f67.google.com ([209.85.166.67]:37481 "EHLO mail-io1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729795AbeKTCJ4 (ORCPT ); Mon, 19 Nov 2018 21:09:56 -0500 Received: by mail-io1-f67.google.com with SMTP id a3so15860709ioc.4; Mon, 19 Nov 2018 07:45:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:from:to:cc:date:message-id:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=DSaksjaPkkb7porQgZ1b/gss5qlB0j25PIJ9WHuWVjg=; b=tUbFpQ2NSrpx1kACmmHMrRuhaASLHsd/jEMsCpcWt8hxUZSkqPjxz1TGQh+eiK4JFp vAm3aEfoLzinb1A6Fgt/L8oF6gwf7z4jK+abFJpOshZN1VWBXqYvTYn/agCQ8G92JHDE 8fb5ER64H9R79Fa7+cHr9r3LsOHeAnVzPOsZ02FIZO4apIyqeAodf6j3w8E0vy7WUWgA l+9hxL/owfZrYbMcj8a/8bEC+h3wsQCbAv+V3SnSe4aLcDdDoKM3tFQP4+tsKN+SM5KV NtnsX+7w2EdT3vMXY13JjPk6A6F9okv58QBLXto2j53QtNVFpo5neZPnNzAoc8m6uA68 dPyA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:from:to:cc:date:message-id :in-reply-to:references:user-agent:mime-version :content-transfer-encoding; bh=DSaksjaPkkb7porQgZ1b/gss5qlB0j25PIJ9WHuWVjg=; b=TWSTMfspdZzAZ5Ep7J0urjBa3B5DF5r1CdglqJw9JDXRPF8VW8s3qXX0fkAKmagWP2 NBbUwy2pqSbAmPJUJg3xm9I9jA+7SwyjJj37wju2RdU/lb+egzB/dJ19hi1v675g2eb+ 72KdKUpXwEjjHjHoO3lVyFSuL7tYcmZ0H4ocnUcQGtHJRp26QEYN0TpSg6bg3lEJPlDW LCKH/BRbLtqxWJyPug8Oq1dXoBuCw3WeJrl/tX2yZKQhP8kuS1Gpwn/48wp1f0juiUZX ntdQfePoh/2dz5BZnXBI1pAXmonLtqyvkja9YXxbYXJcnHEf6i0iNhXrBylvoGq/j8vE 5L6Q== X-Gm-Message-State: AA+aEWZrRoRHjL9gojcEcULezjkgDA9UDLVAr8K4Ugf4tifBS0W+gMgl So78x9AWYIPsFcRL1fSe9AW84+mZ X-Google-Smtp-Source: AFSGD/Vsm2ZWda4qP18LgfT+hbZ0kDfZNRm62CUixRlJyFLzsQY4xME7teSA62Rwh5ErTwDySBYGJw== X-Received: by 2002:a6b:c806:: with SMTP id y6mr17520407iof.79.1542642358046; Mon, 19 Nov 2018 07:45:58 -0800 (PST) Received: from gateway.1015granger.net (c-68-61-232-219.hsd1.mi.comcast.net. [68.61.232.219]) by smtp.gmail.com with ESMTPSA id p74sm7659669iod.14.2018.11.19.07.45.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 19 Nov 2018 07:45:57 -0800 (PST) Received: from manet.1015granger.net (manet.1015granger.net [192.168.1.51]) by gateway.1015granger.net (8.14.7/8.14.7) with ESMTP id wAJFjucE023002; Mon, 19 Nov 2018 15:45:56 GMT Subject: [PATCH v1 2/4] xprtrdma: mrs_create off-by-one From: Chuck Lever To: linux-rdma@vger.kernel.org Cc: linux-nfs@vger.kernel.org Date: Mon, 19 Nov 2018 10:45:56 -0500 Message-ID: <20181119154556.10832.39180.stgit@manet.1015granger.net> In-Reply-To: <20181119153707.10832.42881.stgit@manet.1015granger.net> References: <20181119153707.10832.42881.stgit@manet.1015granger.net> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org With certain combinations of krb5i/p and MR size, one extra segment is needed per RPC. Fixes: c421ece68f6 ("xprtrdma: Create more MRs at a time") Signed-off-by: Chuck Lever --- net/sunrpc/xprtrdma/frwr_ops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c index fc6378cc..448e063 100644 --- a/net/sunrpc/xprtrdma/frwr_ops.c +++ b/net/sunrpc/xprtrdma/frwr_ops.c @@ -242,7 +242,7 @@ ia->ri_max_segs = max_t(unsigned int, 1, RPCRDMA_MAX_DATA_SEGS / ia->ri_max_frwr_depth); - ia->ri_max_segs += 2; /* segments for head and tail buffers */ + ia->ri_max_segs += 3; /* segments for head and tail buffers */ return 0; }