Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp136783pxj; Tue, 15 Jun 2021 22:12:43 -0700 (PDT) X-Google-Smtp-Source: ABdhPJy+xj/Y8K74Y5HU/+I4UeJsjOhIaTQqwRSaWsHYjzotGRRa+/gUBR5LEmsFa8E9XEB8z/ZL X-Received: by 2002:a17:906:b0c8:: with SMTP id bk8mr3350243ejb.412.1623820363114; Tue, 15 Jun 2021 22:12:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1623820363; cv=none; d=google.com; s=arc-20160816; b=av38uC+e3YVC2d++lyqoZkTebfMZepxYTj29XL2v/wTZZIqzIXWdEj38/8cMhMZAvq AvhW6l2h6csuAwu7pAJF1X5Gu4dBne/Z827cSthBa2ARcwPqoIdDAPBqWgaXQfgx9IXY C8nrEyU6ig+NwFYlfcKF5nEBOzC7Dsag8PtKVXw5vzvNaYIAYkHDBDAtKx5ugkFEjPya K+S3WLrDhTynp3n8yNk3FEAA5F6OJdmP2BUZ7k5F+bOxpCFMvL4fTe8Tcg/q5BQtfE2j 7Zprml+HWijBZTCREuPC8u6OTo4kDANfrqgvvXcEBSlxzq6agk99dTmi2268/uhiGkG2 1hIw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=CY93Q8HkdUaFWEd0CM+L3x5mizqDiuZJg8BZfH45oYY=; b=jCIO9IcwdH1rVViA64HBLVuwLyhbRr6ZL2t+BIde8IjTCRZfnrBF3UaWeJ0CDBZH6o oDsh8UvECBhfgP+9qcw8axfct4zFOZyLcqkcg2uuoWkXs9E8HyzuwH7n23KRXz2A/54T k7QtWAve+wEae1z2ZqSto19ZEj/6eLOx1oquHi7BfGDM+azxxq7GTKk5DgB3pef8+jXc ISNeVIz2vcYU6nl2GXjfiAIOJ94nu0+A7ZV4H25y7MDy3SsdfIGV/qqtgm07iFiB5y56 zNfGwxSwF/IvWt9qvM2rg/34tlVwdSly5SiPBnJeNznbxpM1F75i+hiDFZ6gWAx2INLh nl4A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=Za6f2SM7; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id v9si1020683edc.545.2021.06.15.22.12.20; Tue, 15 Jun 2021 22:12:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=Za6f2SM7; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231152AbhFPFNH (ORCPT + 99 others); Wed, 16 Jun 2021 01:13:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39680 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229476AbhFPFNG (ORCPT ); Wed, 16 Jun 2021 01:13:06 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6CEA9C061574; Tue, 15 Jun 2021 22:11:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=CY93Q8HkdUaFWEd0CM+L3x5mizqDiuZJg8BZfH45oYY=; b=Za6f2SM7Vq7AHXHxN4C8gmjYlo aOIx4ybFJJskaDdxax79/0MYzY21NgV5WE3JHAFi7x+Um3sjhX6a/FN2IYTbAsZRDz0Pc7mD/cvcg im72QL2U72ZNmYStScgb+HO/PW2wnMYrQ6Jtj03yO8dzv9t3az9dpX9HHi+1llCQPdl8nJE3Ybqmi ud8rS3uJbLn8xv+gzURzk+7iD7rtQcrIiYyWAFDQMaZy+Q1Bcjz3bgeS98J0ze/wFJuDPtCl9eK1/ 2BMYBE8KHqB1eqs+0fUfSvGj1ZYCCyEGvvxVg0WpfsXe5Hz5ay/Obewm4n8dLHBgfxgJ0KJrcRNvr W+u9i8qg==; Received: from hch by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1ltNon-007cWm-6e; Wed, 16 Jun 2021 05:10:28 +0000 Date: Wed, 16 Jun 2021 06:10:25 +0100 From: Christoph Hellwig To: Chen Li Cc: Alexander Viro , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Christian Brauner , Andrew Morton Subject: Re: [PATCH] ramfs: skip mknod if inode already exists. Message-ID: References: <874kdyh65j.wl-chenli@uniontech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <874kdyh65j.wl-chenli@uniontech.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 16, 2021 at 10:53:12AM +0800, Chen Li wrote: > > It's possible we try to mknod a dentry, which have > already bound to an inode, just skip it. How do you think this could happen?