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=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 6C01EC3A5A1 for ; Mon, 19 Aug 2019 22:41:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4019022CEC for ; Mon, 19 Aug 2019 22:41:21 +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="VuIGbQ0h" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728494AbfHSWlU (ORCPT ); Mon, 19 Aug 2019 18:41:20 -0400 Received: from mail-oi1-f195.google.com ([209.85.167.195]:44668 "EHLO mail-oi1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728402AbfHSWlU (ORCPT ); Mon, 19 Aug 2019 18:41:20 -0400 Received: by mail-oi1-f195.google.com with SMTP id k22so2602463oiw.11; Mon, 19 Aug 2019 15:41:19 -0700 (PDT) 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=XwonKW5E3QU6ws/Gywd0FV6ntfQVppu+1SLDZCu7wNk=; b=VuIGbQ0hRsOODEPtA3aFhe+GcTKcRyJsXycC9v3WDyf9JKrqYeneZ04DPqthoNjOnn r/xA1XbPLidUfTg2TM9Iw6HkEcLsKCRjd2f+lv2iyJ29ewMHLGJ1Aash58fKM3eY3ScZ r2LLxLMk2twedq5ctJsRnkDNsr1TmWhvrUZosecvmguKNZb9ObHArE/cQAycmfVvj1dp uf6oThfM0CxuQEFNjSeUZ1H5B/nfiX+XvoMnIIOnID8Y43zEk3V6BlmHD4xUz+PlpXV+ tY+trSZCYD10YupqRhyxx+tjkO5HfIATNW8jpC2ZUTCXoBxqo2Hkh8Otv/WiWwEhFXI3 EY/w== 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=XwonKW5E3QU6ws/Gywd0FV6ntfQVppu+1SLDZCu7wNk=; b=ZSZQ4eNZCRJDbY+OLKSV7pV+ci5OR11xZi0jR1UwzKpomt5KhxHLLnpZ4P5bVH/FGK TKFSaRbCiqDhvjdlwccMkJHSzaSNJydMXeeJo+7+G5UBYn1TZiUXCoAeBry9gF3I1TFF FCdm5eksWrZhoSlw12GTNZPDE1KbDRt04Udnv6dGmDoGbbVv2ul4B8qblroaL3TfTekD pdzHS7JAohZgdLTBWoipsKYW0iS2WfBBoB4cO6XYDdtyFpuIhqltMPk+QShdkX+mpwsQ s6utPMbkx57krgzl127BREZqhnMSwch9bT7bu3EG1reLRXERzFAxl14OLq37qeeEdTVj fqyw== X-Gm-Message-State: APjAAAUh6qeI8SXqdFzPqp52TBunDmQyMori0LTqHg76MqGbmR4DNzzx YDxH41LGwZG25AvfB+2PZxcrl4TR X-Google-Smtp-Source: APXvYqzCFUSW6iqGsIYX+XwSmETDf9wMbH1eND1jHODm5YypBG49i13QLCbEdYIiwFeSLDawwQd5/w== X-Received: by 2002:a54:4f09:: with SMTP id e9mr15430015oiy.89.1566254479449; Mon, 19 Aug 2019 15:41:19 -0700 (PDT) Received: from seurat29.1015granger.net ([12.235.16.3]) by smtp.gmail.com with ESMTPSA id q85sm4924518oic.52.2019.08.19.15.41.18 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 19 Aug 2019 15:41:19 -0700 (PDT) Subject: [PATCH v2 07/21] xprtrdma: Boost client's max slot table size to match Linux server From: Chuck Lever To: anna.schumaker@netapp.com Cc: linux-nfs@vger.kernel.org, linux-rdma@vger.kernel.org Date: Mon, 19 Aug 2019 18:40:58 -0400 Message-ID: <156625443812.8161.1304836419453818534.stgit@seurat29.1015granger.net> In-Reply-To: <156625401091.8161.14744201497689200191.stgit@seurat29.1015granger.net> References: <156625401091.8161.14744201497689200191.stgit@seurat29.1015granger.net> User-Agent: StGit/unknown-version MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org I've heard rumors of an NFS/RDMA server implementation that has a default credit limit of 1024. The client's default setting remains at 128. Signed-off-by: Chuck Lever --- include/linux/sunrpc/xprtrdma.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/sunrpc/xprtrdma.h b/include/linux/sunrpc/xprtrdma.h index 86fc38ff0355..16c239e0d6dd 100644 --- a/include/linux/sunrpc/xprtrdma.h +++ b/include/linux/sunrpc/xprtrdma.h @@ -49,9 +49,9 @@ * fully-chunked NFS message (read chunks are the largest). Note only * a single chunk type per message is supported currently. */ -#define RPCRDMA_MIN_SLOT_TABLE (2U) +#define RPCRDMA_MIN_SLOT_TABLE (4U) #define RPCRDMA_DEF_SLOT_TABLE (128U) -#define RPCRDMA_MAX_SLOT_TABLE (256U) +#define RPCRDMA_MAX_SLOT_TABLE (16384U) #define RPCRDMA_MIN_INLINE (1024) /* min inline thresh */ #define RPCRDMA_DEF_INLINE (4096) /* default inline thresh */