From patchwork Tue Apr 16 13:37:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuck Lever III X-Patchwork-Id: 10903075 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C08B5922 for ; Tue, 16 Apr 2019 13:37:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9ED77289D2 for ; Tue, 16 Apr 2019 13:37:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 93D92289E0; Tue, 16 Apr 2019 13:37:50 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 459FC289DA for ; Tue, 16 Apr 2019 13:37:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729362AbfDPNht (ORCPT ); Tue, 16 Apr 2019 09:37:49 -0400 Received: from mail-it1-f196.google.com ([209.85.166.196]:50917 "EHLO mail-it1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728032AbfDPNhq (ORCPT ); Tue, 16 Apr 2019 09:37:46 -0400 Received: by mail-it1-f196.google.com with SMTP id q14so17958920itk.0; Tue, 16 Apr 2019 06:37:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:from:to:date:message-id:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=/mL6PL08rwV4R3G11E6ax6rMV4qUz+im5sUnzyLJuLo=; b=X1S+++s4Oa+FzQk11EUJTuzCq/ThWX0Pr8auGRd9EJK6HatWJ41OhxskF5LdvYUB48 LiRE4e2iCe8GlXi2bXH6klT6rAhnxeiTiZeqO3R9aD1SDTllq2TO836T3pVKZ323v/b3 +C5XepmcA5fCtJtYvqu60fA2qS1zu7mgXEMfYxGoIXmlWmS5glm2Z2zjcPO7XDso5zyI 9WQimznz7DySj7uwzUO+/OEL30Em/cQGmjt0FNKsBwUwAMLoWduPdet7W7HYtw1T0PIq b5AZlGYWR0otgLiRjfy8mag81Vvrh3brvR5fKh73FPlyzsOiMdceai8JAum6a+XWGTXI nWew== 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:date:message-id :in-reply-to:references:user-agent:mime-version :content-transfer-encoding; bh=/mL6PL08rwV4R3G11E6ax6rMV4qUz+im5sUnzyLJuLo=; b=uO/FdmVaNzut8rfn6aKu5LseU4LHvAITxz5s2v859nEi2i0kvn9S0FQqL0864gaIOR hs2Xy//LDYHQDwHfCZUQQgCjSqcawYKV3DBl93QtfwWzYJP1dDoORYwrOqeq0Zc/cCAd vwI+4Pt4ULFhYf3/0RHKQJZuovyvG/vqVAM1Ggq0WzP3mrQGzDBONafgScqKpokER8Be xjkJKNrX5tjWDMlXe21z0oqlQdPtfs+X9NemKI7wZKQ++cpTtr5zOmRA5lnbd2eNPyyu ThnfigobAYuXuUBBeQiu5ihumdIWvcXh7UojnPQOzxmyQvrcKU4T5SsyCFgy/p22BLeW N0Cw== X-Gm-Message-State: APjAAAU8540vWdsLUsus5cwdV2QcH2744VNZO8M9t1B1jiIL950l1wnJ qfh1YZldi0dwv981CNnuqSdNAQV4 X-Google-Smtp-Source: APXvYqwIBYuBBLChdAUeXRXnf34DjeSeiEYndrdhFXtX4oEZ9Cik/F43Xw1LioKJiCGKbxwlQBFW/w== X-Received: by 2002:a24:c544:: with SMTP id f65mr29643641itg.90.1555421865545; Tue, 16 Apr 2019 06:37:45 -0700 (PDT) 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 q22sm19576242ion.15.2019.04.16.06.37.44 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 16 Apr 2019 06:37:44 -0700 (PDT) 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 x3GDbinM021226; Tue, 16 Apr 2019 13:37:44 GMT Subject: [PATCH v2 10/21] xprtrdma: Increase maximum number of backchannel request From: Chuck Lever To: linux-rdma@vger.kernel.org, linux-nfs@vger.kernel.org Date: Tue, 16 Apr 2019 09:37:44 -0400 Message-ID: <20190416133744.23113.28165.stgit@manet.1015granger.net> In-Reply-To: <20190416133156.23113.91846.stgit@manet.1015granger.net> References: <20190416133156.23113.91846.stgit@manet.1015granger.net> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Reflects the change introduced in commit 067c46967160 ("NFSv4.1: Bump the default callback session slot count to 16"). Signed-off-by: Chuck Lever --- net/sunrpc/xprtrdma/xprt_rdma.h | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index b942c9d..7621e2d 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -103,12 +103,14 @@ struct rpcrdma_ep { /* Pre-allocate extra Work Requests for handling backward receives * and sends. This is a fixed value because the Work Queues are - * allocated when the forward channel is set up. + * allocated when the forward channel is set up, long before the + * backchannel is provisioned. This value is two times + * NFS4_DEF_CB_SLOT_TABLE_SIZE. */ #if defined(CONFIG_SUNRPC_BACKCHANNEL) -#define RPCRDMA_BACKWARD_WRS (8) +#define RPCRDMA_BACKWARD_WRS (32) #else -#define RPCRDMA_BACKWARD_WRS (0) +#define RPCRDMA_BACKWARD_WRS (0) #endif /* Registered buffer -- registered kmalloc'd memory for RDMA SEND/RECV