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 X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6136C2D0CD for ; Tue, 17 Dec 2019 13:05:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7E2D52146E for ; Tue, 17 Dec 2019 13:05:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726623AbfLQNFt (ORCPT ); Tue, 17 Dec 2019 08:05:49 -0500 Received: from mout.kundenserver.de ([212.227.126.134]:42211 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726191AbfLQNFt (ORCPT ); Tue, 17 Dec 2019 08:05:49 -0500 Received: from [192.168.1.155] ([95.114.21.161]) by mrelayeu.kundenserver.de (mreue012 [212.227.15.167]) with ESMTPSA (Nemesis) id 1N4eOd-1hjMRu0z83-011hdK; Tue, 17 Dec 2019 14:05:41 +0100 Subject: Re: [PATCH 0/2] New zonefs file system To: Damien Le Moal , Carlos Maiolino , "linux-fsdevel@vger.kernel.org" , "linux-xfs@vger.kernel.org" References: <20191212183816.102402-1-damien.lemoal@wdc.com> <29fb138e-e9e5-5905-5422-4454c956e685@metux.net> <20191216093557.2vackj7qakk2jngd@orion> <20191216094241.til4qae4ihzi7ors@orion.redhat.com> From: "Enrico Weigelt, metux IT consult" Message-ID: <3565a0e7-b9ba-4f32-9f4b-3387f0a379a1@metux.net> Date: Tue, 17 Dec 2019 14:05:09 +0100 User-Agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: tl Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:+ABngioGkIBLDL6fLn8WCq3MvTH87+LP+0U3o+yGUKK5bO3Vh62 6tUB8Z8zlSuT6yjUhIPhfiv8XDi56UUazaAhK8DbChs6tgAIngH/dRvFQxadl6vvfrs99Q+ FtuHBf6sHVRw5F8IKs2EJm5KvVcrd+HeeX3rz0dbIhSDDXtmAi2x+kzFPqPLkzYdrXxS19V hNOqtfCJhjSaDRPyBF5QQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:Cbpw+reR0po=:oCZ4QpXWXVdJvR4emq05Ya +ENqKlNd7LhKXVzBvmgQwGndst/nG18+d/PEQDo1BcT6BPUvox03LjweuBMpkv/7mNHQvIyX1 6iwoNnMyh73Hcbx80xLVAlRPJME6DEBPg1Tcp/e83Z6maz3Jh92Ker9BnhU95lLG33kF+OUTl 1CnnmmviB4RL893JfY1ma1/7Zk3E/c4a7fIsv4vSAle1UAYLy+Q7SR3vp9rDCQxF6hAAmKMS1 4/R+QkEZu2qcAiLkOi6WOzP3dhADw9CDtQxwvFtFpk+ogIEOtMm3hCJYk3s9RzuotXwrs3qnN nHZ+v2F0xjgKzCr0PlqYwb207wE8If7u9IYmypQaQ9R4g0CkTJSvj8cOstLCvziKstQiuIg+o Rev8SMdkYWum9olIL3VSsfviI6xncGPKApOJuQguBnHBiV3u/+6Jj1CdQsoutIcfNPrHzl/6H KjhvorICqOgX2AcOugkuHPksupygpD7V5IwK91DTVQdCDn8otPwDyIFzZH47xQaEL3ZerHD0h brSi7PVWjSONlrbXt6Ou0NckhJvh7z8LWHJgf9AUMKgaKe7cz7ZhjPgcJiZCx2ZfhEG40IGQz UZ36BoUjzFVr7bh3/8wq9MO6r3D7+ef3veP0pQP/aIrnq92mJ1WnsDN/g44S4JroUPUFkIyxm IZWsZQ+31sx2ESSKGiVj1iBkVPa6FpatOFWhtMRgDVo881XUuXTO+ePLzO8ibM3XFmnbuUdbf p+R6J3cNpmG6hYrO4e0NRVyffnFC7RKGwEu6zzBvyM5Qhv8qq5b75hTrYhDn6QuNzZ5+0ADlB X2bnpqwqdQre4XUWmjPoKIzwr6bkwo/gj6lNfn8zVSSDv1gTLcfQYTvwwZjE8ArscMNHQRrpP vSDzSgJU3TOtRWpu1/Fg== Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 17.12.19 01:26, Damien Le Moal wrote: Hi, > On the SSD front, NVMe Zoned Namespace standard is still a draft and > being worked on be the NVMe committee and no devices are available on > the market yet. anybody here who can tell why this could be useful ? Can erase blocks made be so enourmously huge and is there really a huge gain in doing so, which makes any practical difference ? Oh, BTW, since the write semantics seem so similar, why not treating them similar to raw flashes ? --mtx -- --- Hinweis: unverschlüsselte E-Mails können leicht abgehört und manipuliert werden ! Für eine vertrauliche Kommunikation senden Sie bitte ihren GPG/PGP-Schlüssel zu. --- Enrico Weigelt, metux IT consult Free software and Linux embedded engineering info@metux.net -- +49-151-27565287