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 98A7422D9E9; Fri, 18 Jul 2025 07:39:16 +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=1752824356; cv=none; b=PFoMNtZrKd7VK/uNnGX+1yVqKbEDWspZA/xOyER0KtYjGfqga6DBzXgNyHRKrZCAZsX0GDsRTu+YKqR3py+1yhjSS4Y93GdLYzfftpAxr/9tzaW/uqDh45odeUKzhM3bUrvcP2tfnzSo4n22Me70IWh2DO7Fl94Ux/eJ4NaJ19w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752824356; c=relaxed/simple; bh=PyDz5g8wBHRrjg2C8+mw8LkItjWRYCEWrUQxhkLOzrk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ntz+LeENwWXeJW2HX4Gdf03v+Sg185n9pl03OPtB9PNuTIQbb3ORL6bdCwrIa/9uwcbl0OdLMpe8O31JkYzOTnKmHb4CYZBo+Nup0yozY9wiPIUpzEr2ydm3RMukg2G++dkkL4pdP8vepdnzCYmZfBkD53JUGj45/pvWamny7xU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fzAJTDnD; 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="fzAJTDnD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 72875C4CEED; Fri, 18 Jul 2025 07:39:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752824356; bh=PyDz5g8wBHRrjg2C8+mw8LkItjWRYCEWrUQxhkLOzrk=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=fzAJTDnDZJ9LKezj0wG8RhpoO0A06pAsaQS9oXWCztGedI+8Bj05evsx/YvKLsSXB Kn27BeuRLB5KuToum2ZWzJ0TJ0tPNQOiL3A/TEldVOGXf1JmKWAmLXqx3XdlbM4c7G uHY1g1AWNETWXqiH7/xxluFJWyzdNWBTLTTJ1KaPeDN7iVJ7410kcYz1vGoz2w2GbQ NWkHrz5Jk6No/FbzDxBCaQfBBwrJW20nW/Gq8RVQzcbbctKrGO67N2IlYDpCM38L0Z 5icKP/CQTDX7ruysI01Fz8AcnHKcrik2eG/5bNFsSKHD4KUopTY3VKDavyNr3IRU/T J3ZZPoWg4eKOg== Message-ID: Date: Fri, 18 Jul 2025 16:39:14 +0900 Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v21 00/12] Improve write performance for zoned UFS devices To: Bart Van Assche , Jens Axboe Cc: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, Christoph Hellwig References: <20250717205808.3292926-1-bvanassche@acm.org> Content-Language: en-US From: Damien Le Moal Organization: Western Digital Research In-Reply-To: <20250717205808.3292926-1-bvanassche@acm.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 7/18/25 05:57, Bart Van Assche wrote: > Changes compared to v20: > - Converted a struct queue_limits member variable into a queue_limits feature > flag. > - Optimized performance of blk_mq_requeue_work(). > - Instead of splitting blk_zone_wplug_bio_work(), introduce a loop in that > function. > - Reworked patch "blk-zoned: Support pipelining of zoned writes". > - Dropped the null_blk driver patch. Why ? null_blk does not maintain submission order ? -- Damien Le Moal Western Digital Research