From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from 009.lax.mailroute.net (009.lax.mailroute.net [199.89.1.12]) (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 5EE2013792C; Fri, 29 Mar 2024 21:22:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=199.89.1.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711747356; cv=none; b=dgo6O0B2xnrg3xADN1nSbUHv2E5Y2EA4B1GECRsFIaJnYvfYw4sgeHO1tdMoziF5BOfqLnFUubQIFyDySFnHMk28cJ1bPPS1acot3mv2kJKZWapFekuzXHtJIEnnmtXDki/CfPFZdQQJw9V+Z2Vf5ElxkbI0AtQG5MX5Mu4L75Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711747356; c=relaxed/simple; bh=QgZYRYaa8a9iCxhW7qjxiU+OnRe8oTJFGisnmUV8P5c=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=Ci7dGmMqGGsuVGyepHSSP09+E8Zl1grNEDYInDkkJIbfaz0gFqOOfogCwPguqr1RDI3H/zYIEx9qplQgS8u6x3srtXvfpgfieya664gNj+/iblyn3eyGt9mmpCQ55Cobi4xCh6HVDQOsvOrQeDYrf50dwf8ZJqpKdi4wVVHIZ+Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none 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=vqlBIOnm; arc=none smtp.client-ip=199.89.1.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none 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="vqlBIOnm" Received: from localhost (localhost [127.0.0.1]) by 009.lax.mailroute.net (Postfix) with ESMTP id 4V5tfK6FbzzlgVnN; Fri, 29 Mar 2024 21:22:33 +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=1711747350; x=1714339351; bh=QgZYRYaa8a9iCxhW7qjxiU+O nRe8oTJFGisnmUV8P5c=; b=vqlBIOnmERprvcdhibbbOjSOXSiGVzGIYUBgy4t2 f659cctbeAEw6pf19gZrbbQ7JegB6djAQB1ep9oAMzVksnZfYUbAhl3qvcR0Aoic 3howFRbyJ2JejMPnnlnbviz04FAxLU240YDqGqDa2510ryTCWPgc5jpLlEkRmFT8 Svq8+kNnXoENsWpoXpwXiD8FiAqh6NbfIr+w0NJCfTDcmuroEM5bxDGUFUTowfBT ZrJmsoMDbxtMEnBGFJlmwnk5rG+qoqKSqi2SstX7lVcShaL+BJVPW1J3sRIIb3+B tZpWO/GYo10SwD8OIQ36h9rmvmkmB5A7wbzUdKebMxOyYw== X-Virus-Scanned: by MailRoute Received: from 009.lax.mailroute.net ([127.0.0.1]) by localhost (009.lax [127.0.0.1]) (mroute_mailscanner, port 10029) with LMTP id qEUGB76_WZXP; Fri, 29 Mar 2024 21:22:30 +0000 (UTC) Received: from [192.168.3.219] (c-73-231-117-72.hsd1.ca.comcast.net [73.231.117.72]) (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 009.lax.mailroute.net (Postfix) with ESMTPSA id 4V5tfC6gcvzlgTGW; Fri, 29 Mar 2024 21:22:27 +0000 (UTC) Message-ID: <35ae7b56-b624-4bf7-b112-35c620719e11@acm.org> Date: Fri, 29 Mar 2024 14:22:26 -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 v3 12/30] block: Implement zone append emulation To: Damien Le Moal , linux-block@vger.kernel.org, Jens Axboe , linux-scsi@vger.kernel.org, "Martin K . Petersen" , dm-devel@lists.linux.dev, Mike Snitzer , linux-nvme@lists.infradead.org, Keith Busch , Christoph Hellwig References: <20240328004409.594888-1-dlemoal@kernel.org> <20240328004409.594888-13-dlemoal@kernel.org> Content-Language: en-US From: Bart Van Assche In-Reply-To: <20240328004409.594888-13-dlemoal@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 3/27/24 5:43 PM, Damien Le Moal wrote: > Given that zone write plugging manages all writes to zones of a zoned > block device and track the write pointer position of all zones, > emulating zone append operations using regular writes can be > implemented generically, without relying on the underlying device driver > to implement such emulation. This is needed for devices that do not > natively support the zone append command, e.g. SMR hard-disks. Reviewed-by: Bart Van Assche