Received: by 2002:a05:6358:11c7:b0:104:8066:f915 with SMTP id i7csp3715355rwl; Sun, 9 Apr 2023 23:06:55 -0700 (PDT) X-Google-Smtp-Source: AKy350Yvc6/o6o8ntm1GSPjl0PcLIGIr++pKGTq/IXW6gg0P/G7aUq5xkD0Bs9aujHoNUBonKgPt X-Received: by 2002:aa7:9f4a:0:b0:639:182c:f43c with SMTP id h10-20020aa79f4a000000b00639182cf43cmr886729pfr.19.1681106815471; Sun, 09 Apr 2023 23:06:55 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1681106815; cv=none; d=google.com; s=arc-20160816; b=rIiUULzFEvzQI8OWoa1G8D/mbFmRdhucavZtdL7Pwit6Kdh0V1wDkNZzZke9BFEey0 /5IvpmbKuFgV+TXunSm2V8ULcfwiqCWC7E+IRHcLybfhYYFe40S1W5QitnncLdqnYJmi QE0/U6c4WKIyaqwbsC7jFYvbs8Du107xoOlndnq7FSzjphVNcZQyU1Gy70izSWHX3SuS Hy0cOy87YSfQLVWtHFO+7DEFWtIb0uSodkF6mQZ09ZiKcD6jDY6Tm4AGKuXhWz51nz5D rYXRhbwelTBwuJ218+zuMZTjr/SbJDfJ4JBEPZmb/q/0mpIdjGZGZSudwoOI/TSQIr/f LIBg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:cc:to:subject:user-agent:mime-version:date:message-id; bh=i+QeY7xnX15BgGJYR7/HZw11hEhXN4v53fgQLPlIwJw=; b=TADuiAISSC6Z1CDI3QaxZt5TMviNus6OAvAM9gBwuRdhCMlaWEYKU4JHODAcQxuAVv zeUM1YuxoPJkThd7nB6TQGPFyMvKpAC82QuDLQ6gjhqbTI7h4PZAFzRvBwqYIneC1+Li iqQlLx1s1M8OEAwNBut3nTmatdfr15SfQvUKEbkyYoe7ZoSmxzdhOTe88AFmeA1c5Lgd w2180kSHhE1ka4vRlWLtd9sRWYFVXkQ8t3oT2EMAInYA2aM/5CFoc6sIgBo0qeSBvzx5 cWp0Blf9jf6cFzge0XQ0L0MUxs1fNjmWnrj4zwlXF3ZZNiWI0yolweMT500qE/AIJDct /iog== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id q3-20020aa78423000000b00623c117f214si10294445pfn.80.2023.04.09.23.06.40; Sun, 09 Apr 2023 23:06:55 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229562AbjDJFzB (ORCPT + 99 others); Mon, 10 Apr 2023 01:55:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32950 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229482AbjDJFzA (ORCPT ); Mon, 10 Apr 2023 01:55:00 -0400 Received: from out30-113.freemail.mail.aliyun.com (out30-113.freemail.mail.aliyun.com [115.124.30.113]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C84D82D58 for ; Sun, 9 Apr 2023 22:54:58 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R141e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046051;MF=hsiangkao@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0VfgkPSi_1681106095; Received: from 30.97.49.25(mailfrom:hsiangkao@linux.alibaba.com fp:SMTPD_---0VfgkPSi_1681106095) by smtp.aliyun-inc.com; Mon, 10 Apr 2023 13:54:56 +0800 Message-ID: <24cc6f3a-6524-7858-2c6c-88019a36c41e@linux.alibaba.com> Date: Mon, 10 Apr 2023 13:54:54 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Subject: Re: [PATCH v2 7/7] erofs: enable long extended attribute name prefixes To: Jingbo Xu Cc: linux-kernel@vger.kernel.org, Gao Xiang , Chao Yu , Yue Hu , linux-erofs mailing list References: <20230407141710.113882-8-jefflexu@linux.alibaba.com> <20230407222808.19670-1-jefflexu@linux.alibaba.com> From: Gao Xiang In-Reply-To: <20230407222808.19670-1-jefflexu@linux.alibaba.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-10.9 required=5.0 tests=ENV_AND_HDR_SPF_MATCH, NICE_REPLY_A,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,USER_IN_DEF_SPF_WL autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2023/4/8 06:28, Jingbo Xu wrote: > Let's enable long xattr name prefix feature. Old kernels will just > ignore / skip such extended attributes so that in case you don't want > to mount such images. Add another incompatible feature as an option > for this. > > Signed-off-by: Jingbo Xu > --- > v2: fix build error when CONFIG_EROFS_FS_XATTR is not defined Reviewed-by: Gao Xiang Thanks, Gao Xiang