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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED autolearn=ham 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 45578C43334 for ; Sun, 2 Sep 2018 07:56:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E036120841 for ; Sun, 2 Sep 2018 07:56:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="qpnQiPOv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E036120841 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726711AbeIBMLF (ORCPT ); Sun, 2 Sep 2018 08:11:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:50498 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726000AbeIBMLF (ORCPT ); Sun, 2 Sep 2018 08:11:05 -0400 Received: from [192.168.0.101] (unknown [49.77.178.191]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C563220837; Sun, 2 Sep 2018 07:56:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1535874972; bh=vQ/Ipz/UsVKab4OkoXpElVZMlrbFmrgaDXwuz3mJvT4=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=qpnQiPOvimEfjnwcZqY1/kojEz5IY0YVmInwwZpEkh4jssblzJYCfdvCayLmyXO/K i5e/gCWwTjBR2OcvAtUYCUvxEbKyYi7DVNWksJaG5Rg134cAlkALLmbHcIl7FSlXCt dZ5k4EqILm9p9owy9BKieJRcDbkujuus5YTEaUxs= Subject: Re: [f2fs-dev] [PATCH v2 3/5] f2fs: cache NULL when both default_acl and acl are NULL To: Chengguang Xu , jack@suse.com, tytso@mit.edu, adilger.kernel@dilger.ca, jaegeuk@kernel.org, yuchao0@huawei.com, shaggy@kernel.org, hubcap@omnibond.com, martin@omnibond.com Cc: jfs-discussion@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, devel@lists.orangefs.org References: <20180831143352.22970-1-cgxu519@gmx.com> <20180831143352.22970-3-cgxu519@gmx.com> From: Chao Yu Message-ID: <900e5d34-f95a-279d-2d1b-bd8333be7f55@kernel.org> Date: Sun, 2 Sep 2018 15:55:52 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20180831143352.22970-3-cgxu519@gmx.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2018/8/31 22:33, Chengguang Xu wrote: > default_acl and acl of newly created inode will be initiated > as ACL_NOT_CACHED in vfs function inode_init_always() and later > will be updated by calling xxx_init_acl() in specific filesystems. > Howerver, when default_acl and acl are NULL then they keep the value > of ACL_NOT_CACHED, this patch tries to cache NULL for acl/default_acl > in this case. > > Signed-off-by: Chengguang Xu Acked-by: Chao Yu Thanks,