From patchwork Wed Apr 24 13:39:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuck Lever X-Patchwork-Id: 10914785 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 253FE1515 for ; Wed, 24 Apr 2019 13:39:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 15B9628A4B for ; Wed, 24 Apr 2019 13:39:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 09F1F28AAF; Wed, 24 Apr 2019 13:39:48 +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 AE35B28A4B for ; Wed, 24 Apr 2019 13:39:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730480AbfDXNjp (ORCPT ); Wed, 24 Apr 2019 09:39:45 -0400 Received: from mail-it1-f194.google.com ([209.85.166.194]:33681 "EHLO mail-it1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730462AbfDXNjp (ORCPT ); Wed, 24 Apr 2019 09:39:45 -0400 Received: by mail-it1-f194.google.com with SMTP id v8so5383935itf.0; Wed, 24 Apr 2019 06:39:44 -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=/mL6PL08rwV4R3G11E6ax6rMV4qUz+im5sUnzyLJuLo=; b=B4MmP77C/14b1Vvq42C3zLNjY21Kxl4jtywcQlLYkGGhBdyYeLsh1NiG+a8fBokTOG lpdCOtwAg2Mq0Tm0MCkgUriMURvrA/yt6l5ImI1m2WA6TO9H8c4Q6mH052nMHkiPX5md 5mjPL1EBM4T6RfmXkUQCNxwXTvKoROtHnvNE+szn1c6johumGlImIhTmcedkEk49QALh UJ4bNDqPf+tTAU7y+NHbpKWXDDIisAuwSxYHYdDtlKC277G5PszKhSYm3+ZdljVCJIuw y+hNWSAjB/SETKcb1hsy5L1wKG9MGPRIVFiMBFjNeaTwpElHZd9lRyw3u1PmizNQ3Ec4 p1gQ== 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=/mL6PL08rwV4R3G11E6ax6rMV4qUz+im5sUnzyLJuLo=; b=qYyRnsSp0RtU9+eyeAiMMPp3wOWz6Qpfb0aFm12Fv3Fo+yp9Ro2AgIigOdge2ft0NB 5aJ7tPR2jPDhrjJjbBMTkuPNdyCnGfx5Ufwwq6FMUD0OgcEv7Jq7W98Zmy7ddi1u1Na8 +EnUR08JkjKoEBWYENggSN92xbKqvDbTyDS+ZS9oc1fNyhuvweLbFVXPHb/9FVFfg5fZ 7pmC+RxWY1Jd4CS6xXVZhEhQU7fN3QhU4BBYdwuB4dQ/V/Hl8aQxrhyT3o59Fh/s1lO4 Vdpkyn4yl3RwPx9vKcIWQAq69KI6c5E0523QMUqO5NrFjeAJT5OJChzBmlzzcH6F6WnU ahrA== X-Gm-Message-State: APjAAAWmk3s2WT3+F7+vVqzuJ4Ny6gZo0VUxQjupZeDalIPphRTztAO7 l/Ej/mneklatqvxwcpeaegY= X-Google-Smtp-Source: APXvYqxAhqs4PwQNouiTjBd/bcRPjDAevJvsbziBthvRkW7+51TV55ZF0DTarrnUEj/epVzCLFuMdA== X-Received: by 2002:a24:cac2:: with SMTP id k185mr6620430itg.152.1556113184211; Wed, 24 Apr 2019 06:39:44 -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 r21sm9057166itb.35.2019.04.24.06.39.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 24 Apr 2019 06:39:43 -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 x3ODdg3n011298; Wed, 24 Apr 2019 13:39:42 GMT Subject: [PATCH v3 10/21] xprtrdma: Increase maximum number of backchannel requests From: Chuck Lever To: anna.schumaker@netapp.com Cc: linux-rdma@vger.kernel.org, linux-nfs@vger.kernel.org Date: Wed, 24 Apr 2019 09:39:42 -0400 Message-ID: <20190424133942.5077.2520.stgit@manet.1015granger.net> In-Reply-To: <20190424133516.5077.67283.stgit@manet.1015granger.net> References: <20190424133516.5077.67283.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