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 556A4C4332F for ; Tue, 17 May 2022 15:35:27 +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=vMDcL1Sj3ecZF/PHO33RMl8MajLs+NitzTG2owdTZQA=; b=rmTRZccA5KYG6o8UEWVBs0/Sfx 4U19adIUyCShlws70Rh0PmPFSh7BpPjeQpezvX/asvj1QKu0P6pM+x1+UNlBTB2KgeyAik9LtMtWH VSuAI0JVrSO1R64k79Niotc2hAVJ5H4o6MVSrc2pyLTw8EczJRNylFWZPgtRm6RtTi5AUHyoTHfvA ALjXGI8knjwIWvKcX1tKlMrDhlKpD+n2bODgHIqEhc44q6xfrUhDuQcsmjgsDQaXr78Zo+SnxDQY9 26Qgstgf9D/ZGREzNFFbbuw4ftHqu/sLWeHWeeiGXuFI836FjR6d/22UGOwB0SM5VowWZGy9pZ9q6 37Fi1j1g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nqzEI-00EiSA-Ki; Tue, 17 May 2022 15:35:22 +0000 Received: from outgoing-auth-1.mit.edu ([18.9.28.11] helo=outgoing.mit.edu) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nqzEB-00EiFK-L0 for linux-nvme@lists.infradead.org; Tue, 17 May 2022 15:35:20 +0000 Received: from cwcc.thunk.org (pool-108-7-220-252.bstnma.fios.verizon.net [108.7.220.252]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 24HFYsQ9026768 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 17 May 2022 11:34:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mit.edu; s=outgoing; t=1652801701; bh=vMDcL1Sj3ecZF/PHO33RMl8MajLs+NitzTG2owdTZQA=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=QWWYv+c38E0Js5EJ5O4LH7stm0/N/0G+zlZGaxwbAbrJcoBFiFX+I8aMjlxDXtdcH HpQFgO3vNojUXJc8f+tn6qApIq1oq89uILHK6aqbgkyPptilbkipvXh8b+UDCORwcJ NTcZRZaecteMkr4C9FEtPqcOV8/1Z/mJK25oUPZYeYBBp6sBYjgpZEf9xgcokZgDBW jWBIxHO+AVv5V5gBQlM1SENquz5Y+sM7mT5fnlB7PvD9DdOkb+WioPJCoeulEVoACn ngUKDte0snQOFU95pMNMLZkRMx8s9GtBCC6kwv6i26eYPhX3g2IKwzeEwICOgNvimy LqJbC9V4JwF5A== Received: by cwcc.thunk.org (Postfix, from userid 15806) id 8636C15C3EC0; Tue, 17 May 2022 11:34:54 -0400 (EDT) Date: Tue, 17 May 2022 11:34:54 -0400 From: "Theodore Ts'o" To: Christoph Hellwig Cc: Pankaj Raghav , axboe@kernel.dk, pankydev8@gmail.com, gost.dev@samsung.com, damien.lemoal@opensource.wdc.com, jiangbo.365@bytedance.com, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, dm-devel@redhat.com, dsterba@suse.com, linux-btrfs@vger.kernel.org Subject: Re: [dm-devel] [PATCH v4 00/13] support non power of 2 zoned devices Message-ID: References: <20220516165416.171196-1-p.raghav@samsung.com> <20220517081048.GA13947@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220517081048.GA13947@lst.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220517_083515_973970_C2353102 X-CRM114-Status: GOOD ( 11.41 ) 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 Tue, May 17, 2022 at 10:10:48AM +0200, Christoph Hellwig wrote: > I'm a little surprised about all this activity. > > I though the conclusion at LSF/MM was that for Linux itself there > is very little benefit in supporting this scheme. It will massively > fragment the supported based of devices and applications, while only > having the benefit of supporting some Samsung legacy devices. FWIW, That wasn't my impression from that LSF/MM session, but once the videos become available, folks can decide for themselves. - Ted