From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 87B3E386 for ; Fri, 1 Mar 2024 13:09:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709298581; cv=none; b=CBCSbS/7W/RcBPFs0xW4Lg4z3VWsFuF7uDsQbZOyMvdNEOkqwxtKdf+HKGXbyrb7H2iInspBfFVEZyEliLoFNCCkp2Pviv1kuro9aLKbs5ANlzcb2wG4l1hNfVLLvJixlxUZlR56rt+QeQ5jLyLdd21ymKZ99uWwTDswlMRmdds= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709298581; c=relaxed/simple; bh=Xnna1e1Qs4t/3f93q6ndQjs8WRzM/MY5pBHGrRT2570=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=I4jQNLZPOK2MHCL0aVKgSVvqTcpbK5lUVOLS/4jZh4CxexzJiWn5oCUcfsLuPheHwTFFkrEPCINEO9yi1CXWCde9IISPeqjW8SBpgEeod6yLPTGGw2PQwKHEE9FHWp60DyF3fdvKGpK+UMs9Sijx/F45UPbspW77d3lZHG0yl/k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=qyi73H3P; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="qyi73H3P" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=jx0zbgdVVbCPN4biVhBYRSnxgg8WOhkzuTYYwRMiclg=; b=qyi73H3P1hGHrJ5hp9nN35UdFW fHocVqj+hwM95fUgrZCLeri8XAMtFEKI274xj57svoeANJEHoBErhlS0H1XOj6VWDKaK3DwjrJ7if u7O7HpfeNeGYeCbYWK1sHtpYOg0B+Mue8DeJQZaFpINoatoQiNRrk3PJKSu3sIFMFRtBOJVVgbDtN MornpvrjULpVjfpzlOdulBQtoh5EQziKBJO6pfD8BoNh2QrhznJLLlj6Un4Plr4D+O2DK1N5fE40B Q1rdo3LYB6BjeZg3ZQV78NOa4JHWiTjP3QnmL2JFl2z4IV6OW5RMw/3S2owFYdwDC5o8p0fg4iw77 GvaVwjFw==; Received: from hch by bombadil.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1rg2dt-00000000Jso-2aNn; Fri, 01 Mar 2024 13:09:37 +0000 Date: Fri, 1 Mar 2024 05:09:37 -0800 From: Christoph Hellwig To: Bart Van Assche Cc: "Martin K . Petersen" , linux-scsi@vger.kernel.org, Damien Le Moal , Niklas Cassel , "James E.J. Bottomley" Subject: Re: [PATCH] scsi/sd_zbc: Use READ(10)/WRITE(10) for zoned UFS devices Message-ID: References: <20240229172333.2494378-1-bvanassche@acm.org> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240229172333.2494378-1-bvanassche@acm.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Thu, Feb 29, 2024 at 09:23:32AM -0800, Bart Van Assche wrote: > READ(10) and WRITE(10) are sufficient for zoned UFS devices. UFS device > manufacturers prefer to minimize the size of their firmware and hence But ZBS rquires the 16byte formats. It UFS vendors keep ignoring SCSI they should not claim to implement it.