Received: by 2002:ab2:1149:0:b0:1f3:1f8c:d0c6 with SMTP id z9csp1742254lqz; Mon, 1 Apr 2024 16:21:02 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCUW09IcHW3sdbKomCBAYx6zWmUo5BESzcnZ9QRBluSu85jbAmFnC4A0a52nlXxi3aY7usA7ntOTaFnIF3Xtc7zylmYQSC5wUspsgSPYSg== X-Google-Smtp-Source: AGHT+IE85J3xbn1xWa/F6aPE36XXmq7C7zMrfM0VLtnLtgTeRbq6NxUi30TT78o3rn/+72SGCQWr X-Received: by 2002:a17:903:124a:b0:1dd:df8c:4334 with SMTP id u10-20020a170903124a00b001dddf8c4334mr11267081plh.62.1712013661869; Mon, 01 Apr 2024 16:21:01 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1712013661; cv=pass; d=google.com; s=arc-20160816; b=QPI8nckyfwPEuPAuI24SAY3bLNO7AOqCOE/fsn4dvzYTDlpZOmi0Rm9CzJws9v83bU drIZNZmA2vFplWnvig2dlVOdLzYf7UqYkNN3H1g41F9qSPR8kSK9k7eaC8SZyIVziDEH BH4Z8Alhif/vmV39nw9+K8NbN86dUN8EJODZ/3Zv8z7PN1iOwUnC1duWE0Jls2Jk55PG +IhRS/H5nCYZ8IKYNBBjCNqXyzizZlLAbIta2/gTbF97uAB6Vo7JMl6fgsZDz/2n8UOu 1L4axeCeCIBt1sb5Utbovx+AxKJWdZpxaiodUsky6sjjeG9F1oOZA/6xV6YntMQCCgbs 1Stg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:message-id:references:in-reply-to :cc:subject:to:from:date; bh=csVorFp/Ft3eYYeWKlpP0cBS0hhtHinHlEWTrpjLNzk=; fh=lv/5ibFmjVNay7t09FiL8h2W5zLOafCT+J/yqEQT9Ww=; b=XjR2JtIC0IKFqUwaPLjr0HqHqtEnkRObVwr+bWsh2Ly9f6eL8lJelf1fvWHR1KlOYH q3ONdspnjzO11x/+X47PohPfeMZYAPPDA2EqJSjCvMvMbNzGnGLbN7FVk8V7BKI3H/LR 1MAEp/rNqmEMmfNZCuwIT1lpleNAzGVW5zWyg6wlZhrzqQlp+1/hHop/26umKObX6ETF 0PyufkZ1ivOLg/JavuO8x7CxBAuRlru4TZKNXTzZZFMyzeFD7ZdNPBAp6q6zmsqrvKwG hCQuPTdyUnvKSJYOJbh0yyn8s19ssow6Lz8OpM0sLNOZDMykyfgvVLyRqUlzbrzILrOS IUvQ==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; arc=pass (i=1 spf=pass spfdomain=e16-tech.com); spf=pass (google.com: domain of linux-nfs+bounces-2593-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-nfs+bounces-2593-linux.lists.archive=gmail.com@vger.kernel.org" Return-Path: Received: from sy.mirrors.kernel.org (sy.mirrors.kernel.org. [147.75.48.161]) by mx.google.com with ESMTPS id lm8-20020a170903298800b001e25e35d721si1380977plb.296.2024.04.01.16.21.01 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Apr 2024 16:21:01 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-nfs+bounces-2593-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) client-ip=147.75.48.161; Authentication-Results: mx.google.com; arc=pass (i=1 spf=pass spfdomain=e16-tech.com); spf=pass (google.com: domain of linux-nfs+bounces-2593-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-nfs+bounces-2593-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sy.mirrors.kernel.org (Postfix) with ESMTPS id CD973B21492 for ; Mon, 1 Apr 2024 23:20:59 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 5694A56B6B; Mon, 1 Apr 2024 23:20:57 +0000 (UTC) X-Original-To: linux-nfs@vger.kernel.org Received: from out198-173.us.a.mail.aliyun.com (out198-173.us.a.mail.aliyun.com [47.90.198.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F22A856B65 for ; Mon, 1 Apr 2024 23:20:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=47.90.198.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712013657; cv=none; b=q1gqTRLA6susoLn7wMciuTInrF3DIaBnWPZ4li093Wat3J4gTSz49IdnAAuwTEztuEVWdLU76f6VfUBNk2X4NPOiGJaYkqYnCj4zFrRQ8ApRBZlYdLrafDYPSgasiPlaZOQgHxjKbRs7f1P9OtDDjGARgWyqFHzKfipMvyYzZJg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712013657; c=relaxed/simple; bh=EkTCueco7Hd9UmWL0jwv7RjMgaNaXN+ZHWRL4eR/eXQ=; h=Date:From:To:Subject:Cc:In-Reply-To:References:Message-Id: MIME-Version:Content-Type; b=cnQOu3/zVwz5no9KiPxsWP76L3pJnxMfqHrOPrezma18P92rUM3FV4GdBsBbXafhFO5QL/MjoLe1NNEt1A+8fpJ4Bcf3kAgBZLz3gknQUDlKE3JpW7skvhcq60Cmt/mnMkjoa+59mg//rrihQEQSziCsUuN+XIOO22+7E1DVsyc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=e16-tech.com; spf=pass smtp.mailfrom=e16-tech.com; arc=none smtp.client-ip=47.90.198.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=e16-tech.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=e16-tech.com X-Alimail-AntiSpam:AC=CONTINUE;BC=0.1501871|-1;CH=green;DM=|CONTINUE|false|;DS=CONTINUE|ham_social|0.013625-0.000309001-0.986066;FP=0|0|0|0|0|-1|-1|-1;HT=ay29a033018047212;MF=wangyugui@e16-tech.com;NM=1;PH=DS;RN=2;RT=2;SR=0;TI=SMTPD_---.X.abb6H_1712009971; Received: from 192.168.2.112(mailfrom:wangyugui@e16-tech.com fp:SMTPD_---.X.abb6H_1712009971) by smtp.aliyun-inc.com; Tue, 02 Apr 2024 06:19:32 +0800 Date: Tue, 02 Apr 2024 06:19:32 +0800 From: Wang Yugui To: Chuck Lever III Subject: Re: one more patch(nfsd: fix potential race in nfs4_find_file) for 6.1.83+ ? Cc: Linux NFS Mailing List In-Reply-To: References: <20240401190527.7D1D.409509F4@e16-tech.com> Message-Id: <20240402061931.7D26.409509F4@e16-tech.com> Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.81.06 [en] Hi, > > > On Apr 1, 2024, at 7:05?AM, Wang Yugui wrote: > > > > Hi, > > > > We had 13 nfsd patches in 6.1.83, do we need one more patch(*1)? > > > > *1: > > bd6aaf781dae :Jeff Layton: nfsd: fix potential race in nfs4_find_file > > This one went in after v6.2 (where I drew a line in > the sand) and looked more like a clean-up than a bug fix. > > Is the kernel misbehaving? Why do you believe this one > needs to be backported? Yet not find any kernel misbehaving. just fs/nfsd/filecache.c related. Best Regards Wang Yugui (wangyugui@e16-tech.com) 2024/04/02