From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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.lore.kernel.org (Postfix) with ESMTPS id 9FB2DC433EF for ; Mon, 14 Mar 2022 08:14:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=hnWtxscawJ/CAHfHFc1KSSFLlsZLYl3yWejmUyS5cyo=; b=oSoVg3rZFpaSOrspr+p8GNnCcI 6J8j5POjEKGjUIRRwLTu5oCH4ajaDNK50xjhuc72MVKbIrOYci48LRO3BNMueqCS/7Tx0KXr77u4+ grHikucohKSqfRkyGWITZ5e1n5tT1nCxtsBDIAq7x8rOu/hU8vR0BJZIbdnr1PpKJZLAnHpjZVQ1Q 8f405dFN/37/V6Dvxs5EUkdKD6CE1k6LJycfZ4GS/Md+pJFHHDF6dczticIXFG+Z08LvxjPAxRt/K 1dOf31swA8ZWTJqg5FTzNB8E0NIRTnO8ZrWhYi3f1FEwV8NkqzqFbCs7s39gosY/hD2/x2UzGcXZN fDNL4bvQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nTfqS-004Nb5-Cp; Mon, 14 Mar 2022 08:14:24 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nTfba-004GuP-Gy for linux-nvme@lists.infradead.org; Mon, 14 Mar 2022 07:59:03 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 929E468AFE; Mon, 14 Mar 2022 08:58:58 +0100 (CET) Date: Mon, 14 Mar 2022 08:58:58 +0100 From: Christoph Hellwig To: Damien Le Moal Cc: Christoph Hellwig , Luis Chamberlain , Keith Busch , Pankaj Raghav , Adam Manzanares , Javier =?iso-8859-1?Q?Gonz=E1lez?= , jiangbo.365@bytedance.com, kanchan Joshi , Jens Axboe , Sagi Grimberg , Matias =?iso-8859-1?Q?Bj=F8rling?= , Pankaj Raghav , Kanchan Joshi , linux-block@vger.kernel.org, linux-nvme@lists.infradead.org Subject: Re: [PATCH 0/6] power_of_2 emulation support for NVMe ZNS devices Message-ID: <20220314075858.GA4921@lst.de> References: <20220310144449.GA1695@lst.de> <20220311205135.GA413653@dhcp-10-100-145-180.wdc.com> <20220311213102.GA2309@dhcp-10-100-145-180.wdc.com> <20220314073537.GA4204@lst.de> <05a1fde2-12bd-1059-6177-2291307dbd8d@opensource.wdc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <05a1fde2-12bd-1059-6177-2291307dbd8d@opensource.wdc.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220314_005902_760880_6B9C7818 X-CRM114-Status: GOOD ( 11.03 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Mon, Mar 14, 2022 at 04:45:12PM +0900, Damien Le Moal wrote: > Nope, this is currently not possible: DM requires the target zone size > to be the same as the underlying device zone size. So that would not work. Indeed.