From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 0A7B1A59; Wed, 23 Jul 2025 01:55:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753235739; cv=none; b=aZ1y12igUKWPSVZZmQHT7PnOS36l0+ODQeCMHMYBukoM0s0nMt0VhuN6j4jCFT5EDt1DOQ4JP7uAGcl3MTGLM2J/6LbvMgKtLTlDMIrDDu9W7j+B0q0awF2DSt6Es7G3KbsZFCuVv7xML+AXI+yCfRKgvwdHFfhZZAHa5vRTs/E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753235739; c=relaxed/simple; bh=0Ibjj/zW48hHXJESfbK7QQJtgVZikQYINqPZY1Yh1mM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=VEdrGO9kINdYDLwoBjpbOx9nqpoOy7fub31WtsLfbWg8+tsYJPM4SUPFurhCPR9za80+YWhN5989bDiIZtktOIsFsth2WjzLROX45U1+W4yANMJq1R5cKeK3WrADY3dZrU0N8MD00/7OPmmZNL99D4Np0vWZlkfs/5ofqarztuo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=j+zdax3K; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="j+zdax3K" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7DE75C4CEEB; Wed, 23 Jul 2025 01:55:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753235738; bh=0Ibjj/zW48hHXJESfbK7QQJtgVZikQYINqPZY1Yh1mM=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=j+zdax3KCjsQi6gri/2vjGWcg6tZpwErE1xl/oQYk/2K3rPgiObZFg+ZTt4fTY4qe /CjSHk2DpXLSxzcTjWIYI8Q+tclUU8v2OAe66EuUoByXTcS00x2ldnxrxFEd9MqUhu RidfeFU6yPG0eZ5PCor7ozESwEY4ShrPl2AQyTlRxP/caCyw35xsx3YB0l8i5wtbjo Dt2c4+Y2FOjGhxZi4rN9SnKkQMtKhjfyDNaBFL6ki9GTYF8VYPvKhzIrW9IY/SX7pI wa+M9xQYMSrNBweXHuKMKTZ4C5NtYQkcA+b+ic8c0fWztD6NqabNG2ibipvuvA8zk3 sKibHQ/TIqOLQ== Message-ID: <4b3a5b7c-40b1-494c-9707-6b7a4d483c23@kernel.org> Date: Wed, 23 Jul 2025 10:53:09 +0900 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/6] block, bfq: switch to use elevator lock To: Yu Kuai , hare@suse.de, tj@kernel.org, josef@toxicpanda.com, axboe@kernel.dk, yukuai3@huawei.com Cc: cgroups@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, yi.zhang@huawei.com, yangerkun@huawei.com, johnny.chenyi@huawei.com References: <20250722072431.610354-1-yukuai1@huaweicloud.com> <20250722072431.610354-4-yukuai1@huaweicloud.com> From: Damien Le Moal Content-Language: en-US Organization: Western Digital Research In-Reply-To: <20250722072431.610354-4-yukuai1@huaweicloud.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 7/22/25 4:24 PM, Yu Kuai wrote: > From: Yu Kuai > > Replace the internal spinlock bfqd->lock with the new spinlock in > elevator_queue. There are no functional changes. > > Signed-off-by: Yu Kuai Looks good. Reviewed-by: Damien Le Moal -- Damien Le Moal Western Digital Research