From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from dggsgout12.his.huawei.com (dggsgout12.his.huawei.com [45.249.212.56]) (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 6AAF824466C; Wed, 2 Jul 2025 09:33:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751448824; cv=none; b=fGdn67jXXkZQ6/SvedL/OQ/vynX2lZgYDAoCNCgAnt56SEppxcsqKJru+fjwomuaA9ck50Pyw14HiTSucKp5d8FVmh1Cwd9ttb6iIWj2i3+dkAsU8O3byFJciPGje0EMBxUOVkSeNrjLfAI93fNVFMMmQRGp+2eLCgPkd91H/nw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751448824; c=relaxed/simple; bh=b9CRuRPjH8bn+fiDF02AF7R2oNXbNMiUBSe4EfhH6DA=; h=Subject:To:Cc:References:From:Message-ID:Date:MIME-Version: In-Reply-To:Content-Type; b=QwW+lZV8JBjLXmoaMM5DBZg7fP+RbeTNPLVLPzJcMTvXEyx1A5t0YyZ5uyvjfBr96SKSW6MQlNgsGa39rYAHPdvxKuKn64+sfFrglwePdsCZprDre78cAJL3r6fzqt0NwS4JqjJjXYbhTKGI9xR1bY4ETrhJhQnq6ysIdXYAyO0= 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=45.249.212.56 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 [172.19.163.235]) by dggsgout12.his.huawei.com (SkyGuard) with ESMTPS id 4bXF8675DMzKHMx3; Wed, 2 Jul 2025 17:33:42 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.252]) by mail.maildlp.com (Postfix) with ESMTP id 63E8F1A083E; Wed, 2 Jul 2025 17:33:41 +0800 (CST) Received: from [10.174.179.143] (unknown [10.174.179.143]) by APP3 (Coremail) with SMTP id _Ch0CgBnxyT0_GRoOT2hAQ--.44744S3; Wed, 02 Jul 2025 17:33:41 +0800 (CST) Subject: Re: [PATCH v2 3/5] md/raid10: set chunk_sectors limit To: John Garry , agk@redhat.com, snitzer@kernel.org, mpatocka@redhat.com, song@kernel.org, hch@lst.de, nilay@linux.ibm.com, axboe@kernel.dk Cc: dm-devel@lists.linux.dev, linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, linux-block@vger.kernel.org, ojaswin@linux.ibm.com, martin.petersen@oracle.com, "yukuai (C)" References: <20250618083737.4084373-1-john.g.garry@oracle.com> <20250618083737.4084373-4-john.g.garry@oracle.com> From: Yu Kuai Message-ID: <13b0be8a-298d-e2eb-aae4-f37273ab2ee2@huaweicloud.com> Date: Wed, 2 Jul 2025 17:33:40 +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-raid@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <20250618083737.4084373-4-john.g.garry@oracle.com> Content-Type: text/plain; charset=gbk; format=flowed Content-Transfer-Encoding: 8bit X-CM-TRANSID:_Ch0CgBnxyT0_GRoOT2hAQ--.44744S3 X-Coremail-Antispam: 1UD129KBjvdXoWruFy8WFWxKr1rAFWUGr4rXwb_yoWfZrcEga 4fZF13Xr1I9r1I9w1jkF1SkrW5X348WFn7ZFy3Kr45X3WrWF18CFyj934rCa1YyFy2qF1q yrs7ua1FyF1kZjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbaxYFVCjjxCrM7AC8VAFwI0_Gr0_Xr1l1xkIjI8I6I8E6xAIw20E Y4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM28CjxkF64kEwV A0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x02 67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I 0E14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40E x7xfMcIj6xIIjxv20xvE14v26r106r15McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x 0Yz7v_Jr0_Gr1lF7xvr2IY64vIr41lFIxGxcIEc7CjxVA2Y2ka0xkIwI1lc7I2V7IY0VAS 07AlzVAYIcxG8wCY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4 IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1r MI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJV WUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j 6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYx BIdaVFxhVjvjDU0xZFpf9x07UQ6p9UUUUU= X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ ÔÚ 2025/06/18 16:37, John Garry дµÀ: > Same as done for raid0, set chunk_sectors limit to appropriately set the > atomic write size limit. > > Signed-off-by: John Garry > --- > drivers/md/raid10.c | 1 + > 1 file changed, 1 insertion(+) > Reviewed-by: Yu Kuai > diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c > index b74780af4c22..97065bb26f43 100644 > --- a/drivers/md/raid10.c > +++ b/drivers/md/raid10.c > @@ -4004,6 +4004,7 @@ static int raid10_set_queue_limits(struct mddev *mddev) > md_init_stacking_limits(&lim); > lim.max_write_zeroes_sectors = 0; > lim.io_min = mddev->chunk_sectors << 9; > + lim.chunk_sectors = mddev->chunk_sectors; > lim.io_opt = lim.io_min * raid10_nr_stripes(conf); > lim.features |= BLK_FEAT_ATOMIC_WRITES; > err = mddev_stack_rdev_limits(mddev, &lim, MDDEV_STACK_INTEGRITY); >