From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from 004.mia.mailroute.net (004.mia.mailroute.net [199.89.3.7]) (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 9EBDD2E62B9; Fri, 18 Jul 2025 16:32:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=199.89.3.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752856341; cv=none; b=K5X6NQjyISIJJu+jZsMNSHCE4MptdvM5Krorr2HJDkVGtyhQ+Mdm4r7DjhqC2vvwedzMEGt0noI9Wwj5Pft+XuKKAaqnZL/+Lv11i0hrL0ax0nJ1dfmfRfIU4wOF6PLvVKIBBOX6JI7F0PUnXxmKugB5BtFNpsvoIBKI9OTZyEw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752856341; c=relaxed/simple; bh=L3lDMDXyd/6/F9dfMzCJxOqS8xiHs9Q04y/rowjgKog=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=MVoUydeoDwsBh74Y5eGEYV7hDNLdhWeXkli3ebsYNTAAcU1tHajPAS0cUc/DHjq4LyXkWLfk6Z6xeXZ+bZeCfjwcLl2W5EPeol+lcCH7MoiwEcsqaKsrsgFI+KsYS4Jt2hb4qW8H/xJJyDbH/ew+ITeQ3gmH7VaSHjlBn+S4eyw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org; spf=pass smtp.mailfrom=acm.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b=wMcQo1uc; arc=none smtp.client-ip=199.89.3.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=acm.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b="wMcQo1uc" Received: from localhost (localhost [127.0.0.1]) by 004.mia.mailroute.net (Postfix) with ESMTP id 4bkFgk55q7zm0ySG; Fri, 18 Jul 2025 16:32:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=acm.org; h= content-transfer-encoding:content-type:content-type:in-reply-to :from:from:content-language:references:subject:subject :user-agent:mime-version:date:date:message-id:received:received; s=mr01; t=1752856336; x=1755448337; bh=PO92qdt1Q6jYJiDKfKKIr6tS 6eT1IljAZ52lfVvwCZk=; b=wMcQo1ucmjr1f+qgPiH2wH/iWkN+lFOmEp/4fwgs etC0+KTH0XoGURBUR1cvJ3w6OXUX2wfnYhtQekwhezhSXqve3fh5dibFrPxzskm4 nM9f06X/kpgyW8zdFB2HAcNYxgYZAty8Id/OoWmVTYZquhSSaXtjrVpyh9hVq8lK 85CSuhY7U0hEq6B/9s5SekPaKYaLhzuSdWiwWJ+jaRKI5C2j6Yp5g7CaGTNAs2n4 C7xhVRqI5Tkd3i6/KmgTnxfzIyfRdKIsKQshoP4Ucqa0IyXuV+05/zg2c7NA9aiJ D9+yzMxleIxWwIAd4/ISUVRgrjJ7E7nmlMhkL84aqAi4KQ== X-Virus-Scanned: by MailRoute Received: from 004.mia.mailroute.net ([127.0.0.1]) by localhost (004.mia [127.0.0.1]) (mroute_mailscanner, port 10029) with LMTP id oIwaxjOPCRXb; Fri, 18 Jul 2025 16:32:16 +0000 (UTC) Received: from [100.66.154.22] (unknown [104.135.204.82]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bvanassche@acm.org) by 004.mia.mailroute.net (Postfix) with ESMTPSA id 4bkFgd5rVzzm0ySc; Fri, 18 Jul 2025 16:32:12 +0000 (UTC) Message-ID: Date: Fri, 18 Jul 2025 09:32:11 -0700 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: Damien Le Moal , 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: Bart Van Assche In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 7/18/25 12:39 AM, Damien Le Moal wrote: > 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 ? It does, but modifying scsi_debug is sufficient to test this patch series. Do you perhaps want me to restore the null_blk patch? Thanks, Bart.