From patchwork Mon Aug 3 17:02:59 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuck Lever III X-Patchwork-Id: 6931321 Return-Path: X-Original-To: patchwork-linux-rdma@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id DB882C05AC for ; Mon, 3 Aug 2015 17:03:14 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D8458200D0 for ; Mon, 3 Aug 2015 17:03:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 32ECB2060B for ; Mon, 3 Aug 2015 17:03:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754566AbbHCRDE (ORCPT ); Mon, 3 Aug 2015 13:03:04 -0400 Received: from mail-qk0-f177.google.com ([209.85.220.177]:33468 "EHLO mail-qk0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753195AbbHCRDD (ORCPT ); Mon, 3 Aug 2015 13:03:03 -0400 Received: by qkdg63 with SMTP id g63so52958804qkd.0; Mon, 03 Aug 2015 10:03:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:subject:from:to:date:message-id:in-reply-to:references :user-agent:mime-version:content-type:content-transfer-encoding; bh=Z4iyhqeHHM6Eun5t7wpxc43Te6ZGDJZZ5NX0pY4KGKk=; b=XlCQ9XhGx8PwCfptUSv2BnavdqHzP0PahS4apFy76vf+PuweOE18lqzWv+5D5xHNAM 6w2E2bSXYFz1qdLZbOWj4OUUGaYLtqlfnHMOeiN6j6KDh7fIJTGfXtsLshHAitXjP+P8 iPx95Ce5Q8q8GlNQkpj1mYgbzyj4oTahP8aPaBu1sXoLrD6kNHjf3CyE5fMYZ+r9+lyQ JGjIz8ZsplsWLFC7NcV1ecRYyeLtmNwZXR5ZoctjIbbffdKcNfrlF/9LPcaP1Xj1KWVZ HHcb2ahjb4qjffqq4uYZ+p72/knt0+gQqEsk72riDtgiJqm2kNFtyJm7iegpKIE6DH/k EVMA== X-Received: by 10.55.31.213 with SMTP id n82mr8536626qkh.102.1438621382362; Mon, 03 Aug 2015 10:03:02 -0700 (PDT) Received: from manet.1015granger.net ([2604:8800:100:81fc:82ee:73ff:fe43:d64f]) by smtp.gmail.com with ESMTPSA id q70sm7094717qha.17.2015.08.03.10.03.00 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 03 Aug 2015 10:03:01 -0700 (PDT) Subject: [PATCH v4 03/16] xprtrdma: Increase default credit limit From: Chuck Lever To: linux-rdma@vger.kernel.org, linux-nfs@vger.kernel.org Date: Mon, 03 Aug 2015 13:02:59 -0400 Message-ID: <20150803170259.9115.66904.stgit@manet.1015granger.net> In-Reply-To: <20150803165807.9115.23842.stgit@manet.1015granger.net> References: <20150803165807.9115.23842.stgit@manet.1015granger.net> User-Agent: StGit/0.17.1-3-g7d0f MIME-Version: 1.0 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Spam-Status: No, score=-7.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In preparation for similar increases on NFS/RDMA servers, bump the advertised credit limit for RPC/RDMA to 128. This allocates some extra resources, but the client will continue to allow only the number of RPCs in flight that the server requests via its advertised credit limit. Signed-off-by: Chuck Lever Reviewed-By: Sagi Grimberg Tested-by: Devesh Sharma --- include/linux/sunrpc/xprtrdma.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/include/linux/sunrpc/xprtrdma.h b/include/linux/sunrpc/xprtrdma.h index b176130..b7b279b 100644 --- a/include/linux/sunrpc/xprtrdma.h +++ b/include/linux/sunrpc/xprtrdma.h @@ -49,7 +49,7 @@ * a single chunk type per message is supported currently. */ #define RPCRDMA_MIN_SLOT_TABLE (2U) -#define RPCRDMA_DEF_SLOT_TABLE (32U) +#define RPCRDMA_DEF_SLOT_TABLE (128U) #define RPCRDMA_MAX_SLOT_TABLE (256U) #define RPCRDMA_DEF_INLINE (1024) /* default inline max */