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[2620:137:e000::1:20]) by mx.google.com with ESMTP id t7-20020a170902e84700b001a95d336558si3262896plg.594.2023.06.16.02.18.52; Fri, 16 Jun 2023 02:19:08 -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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244894AbjFPJEL (ORCPT + 99 others); Fri, 16 Jun 2023 05:04:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53306 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244582AbjFPJDt (ORCPT ); Fri, 16 Jun 2023 05:03:49 -0400 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 521AC4237; Fri, 16 Jun 2023 02:02:02 -0700 (PDT) Received: from mail02.huawei.com (unknown [172.30.67.153]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4QjCpG3yF1z4f3tnH; Fri, 16 Jun 2023 17:01:58 +0800 (CST) Received: from [10.174.179.247] (unknown [10.174.179.247]) by APP4 (Coremail) with SMTP id gCh0CgAHuKsGJYxkbj9QLw--.3159S3; Fri, 16 Jun 2023 17:01:59 +0800 (CST) Message-ID: <17faca9e-3574-31dd-73c4-eb07078b4b72@huaweicloud.com> Date: Fri, 16 Jun 2023 17:01:58 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH 0/3] md/raid10: record rdev/replacement in r10bio To: Song Liu , Yu Kuai Cc: linan666@huaweicloud.com, neilb@suse.de, linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org, yi.zhang@huawei.com, houtao1@huawei.com, yangerkun@huawei.com, "yukuai (C)" References: <20230614084740.1493969-1-linan666@huaweicloud.com> <5c6ff37b-4285-f62a-c910-67401b0b9c1f@huaweicloud.com> From: Li Nan In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CM-TRANSID: gCh0CgAHuKsGJYxkbj9QLw--.3159S3 X-Coremail-Antispam: 1UD129KBjvdXoW7JFWUWr17CF1xZw18tF1DWrg_yoW3Zwb_uF 4jyw1xGw1rtan2ka1Yyr4xZFZI9r45Gw4rX345trySq39YgF4xGr1kKryfWw43WF1S9rya kFna9FW7tr12gjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbSxFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j 6F4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oV Cq3wAac4AC62xK8xCEY4vEwIxC4wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC 0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUAVWUtwAv7VC2z280aVAFwI0_Jr0_Gr 1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcVAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIF xwACI402YVCY1x02628vn2kIc2xKxwCYjI0SjxkI62AI1cAE67vIY487MxAIw28IcxkI7V AKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCj r7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6x IIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6xAI w20EY4v20xvaj40_WFyUJVCq3wCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6x kF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjfUo5rcUUUUU X-CM-SenderInfo: polqt0awwwqx5xdzvxpfor3voofrz/ X-CFilter-Loop: Reflected X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,NICE_REPLY_A, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham 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 在 2023/6/16 15:03, Song Liu 写道: > On Wed, Jun 14, 2023 at 8:31 PM Yu Kuai wrote: >> >> Hi, >> >> 在 2023/06/14 16:47, linan666@huaweicloud.com 写道: >>> From: Li Nan >>> >>> Replacement can replace rdev during replacement io pending. >>> mirror->rdev/replacement might be changed during io pending. Get rdev from >>> it is risky. This patch series record rdev/replacement in r10bio, and get >>> rdev from r10bio to fix bugs in normal write. And I want to do >>> this for each io type later. >> >> I personally don't like this, do things by half. I'm good with this >> approch for raid10, but can you send a new version to use this for all >> io? > > Agreed. Please send the fix for all types. > OK, Let me fix all types. > Thanks, > Song > . -- Thanks, Nan