From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) (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 CC5F2248F6F; Mon, 12 May 2025 06:32:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.51 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747031556; cv=none; b=hIqKOHQZKhHFcG7WyPEaEHZ1pOaZdHY8rLeh1+g7abA75uBBIGDKhf0VhOh9hEdR6oRDOq9NLXUbAIi+MM1L8p7Qq3WKrz7VOryPIsCyMOpK/TroXRsGkO9hqk5lVC3AzfLWXpCEjV0CVURqTsv3WbUEHqQ+S3A6Gwzah7SAE7k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747031556; c=relaxed/simple; bh=OVnIJSo3gvJWfZ6jBLIh/B4SYoZ8VMDA1y0Verh6B7Q=; h=Subject:To:Cc:References:From:Message-ID:Date:MIME-Version: In-Reply-To:Content-Type; b=b+x52YWQxBC4IjGacT4khP2Wm1Id8MJ+uRhyUcYq+71PgUKHVDXGU+fuD6Kd8k5fE86IQRbjJIWSY0MjPhJsB6YdeRLXGTd2BpadwhgJSCBooygw+L6hkUKkSK/alh2VeYL0QoHhmwVJAMbIleUvRk97SpIC3h3w8+N3AYo93L4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.93.142]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4ZwqX32Dlzz4f3lVX; Mon, 12 May 2025 14:32:03 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id 79B361A018D; Mon, 12 May 2025 14:32:29 +0800 (CST) Received: from [10.174.179.143] (unknown [10.174.179.143]) by APP4 (Coremail) with SMTP id gCh0CgDXOl_8lSFoWoarMA--.57954S3; Mon, 12 May 2025 14:32:29 +0800 (CST) Subject: Re: [PATCH RFC md-6.16 v3 06/19] md: add a new parameter 'offset' to md_super_write() To: Christoph Hellwig , Yu Kuai Cc: xni@redhat.com, colyli@kernel.org, agk@redhat.com, snitzer@kernel.org, mpatocka@redhat.com, song@kernel.org, linux-kernel@vger.kernel.org, dm-devel@lists.linux.dev, linux-raid@vger.kernel.org, yi.zhang@huawei.com, yangerkun@huawei.com, johnny.chenyi@huawei.com, "yukuai (C)" References: <20250512011927.2809400-1-yukuai1@huaweicloud.com> <20250512011927.2809400-7-yukuai1@huaweicloud.com> <20250512045511.GF868@lst.de> From: Yu Kuai Message-ID: <491de6df-9b9b-3152-c2ca-1bc3a0ac8b68@huaweicloud.com> Date: Mon, 12 May 2025 14:32:28 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <20250512045511.GF868@lst.de> Content-Type: text/plain; charset=gbk; format=flowed Content-Transfer-Encoding: 8bit X-CM-TRANSID:gCh0CgDXOl_8lSFoWoarMA--.57954S3 X-Coremail-Antispam: 1UD129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73 VFW2AGmfu7bjvjm3AaLaJ3UjIYCTnIWjp_UUUYN7AC8VAFwI0_Gr0_Xr1l1xkIjI8I6I8E 6xAIw20EY4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM28Cjx kF64kEwVA0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8I cVCY1x0267AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87 Iv6xkF7I0E14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE 6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1Y6r17McIj6I8E87Iv67AKxVWUJVW8JwAm72 CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IY64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4II rI8v6xkF7I0E8cxan2IY04v7Mxk0xIA0c2IEe2xFo4CEbIxvr21l42xK82IYc2Ij64vIr4 1l4c8EcI0Ec7CjxVAaw2AFwI0_Jw0_GFyl4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAq x4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r 43MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF 7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxV W8JVWxJwCI42IY6I8E87Iv6xkF7I0E14v26r4UJVWxJrUvcSsGvfC2KfnxnUUI43ZEXa7V UbE_M3UUUUU== X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ Hi, ÔÚ 2025/05/12 12:55, Christoph Hellwig дµÀ: > On Mon, May 12, 2025 at 09:19:14AM +0800, Yu Kuai wrote: >> From: Yu Kuai >> >> The parameter is always set to 0 for now, following patches will use >> this helper to write llbitmap to underlying disks, allow writing >> dirty sectors instead of the whole page. > > Givne that there is nothing super-block specific in md_super_write, > maybe use the chance to rename it? Ok, how about md_write_metadata()? Thanks, Kuai > > . >