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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E754C54EAA for ; Mon, 30 Jan 2023 11:40:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235616AbjA3LkN (ORCPT ); Mon, 30 Jan 2023 06:40:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40854 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230365AbjA3LkN (ORCPT ); Mon, 30 Jan 2023 06:40:13 -0500 Received: from mail-ed1-x535.google.com (mail-ed1-x535.google.com [IPv6:2a00:1450:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 78DBE2BF11 for ; Mon, 30 Jan 2023 03:40:11 -0800 (PST) Received: by mail-ed1-x535.google.com with SMTP id z11so10661843ede.1 for ; Mon, 30 Jan 2023 03:40:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=metaspace-dk.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:in-reply-to:date :subject:cc:to:from:user-agent:references:from:to:cc:subject:date :message-id:reply-to; bh=+z1TZ5dWKjmwb0nA4mLgax3nVn5AMhKS52rfwSoYsO0=; b=Kn5q5DB2IfPtw8RorarLuCa+SXt/43r8YhtaxYLWWICs9C5gaM+eF9cMKX6mzj7wG6 WbPn/Bug3VqVrSMyv0gS6Xvskmxf+f3TeT4RVJ2GQX90A9S9NQ/1lmFAfCsE8nEEcOC/ 7VjlAHLsvib4VQ2ihT885de2pBHMxiv9xBWODdm/R9WTyh1YmiR7FyHeM0c4/2k93FRq cKcV8Jo3IJotlNKFEZNUfejozycxjfmc/Mq5d+Eag90ADgVDAKun17xrwZy8VbQs7Y6O 90hauU5u/No7ySx+rSeFx0j6gLwhblzm3jYsqxIU6bX1R85SoxjfZe7hr/GmOu+/KDqe 8q1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:in-reply-to:date :subject:cc:to:from:user-agent:references:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=+z1TZ5dWKjmwb0nA4mLgax3nVn5AMhKS52rfwSoYsO0=; b=0Ojry+IX/ib6w47EujXFNhczhaPURCEmGy32SwwZ8i5iekzVralV4mdgWTpw++64/A uNotUiNBPcvB1DdWHwS3/TUzU9aBd7lw6LXn2qiAIX+0C3cvYu0NJlnd1TzVrXW79y2K v6S+001ddz85a4Y4tRtF0oRzzy7dJPYVx1OFm+5Eqh4TzF8n4qbA/C5gZBodDgTB4I+x aGJMRgvrTur7g6m6SdHPtVxhxVQcve5QQahiMGp1qS9vU86J6QDD5DzdmQBHHzjcSi+c 8uEAfAhbDe52zdO00IulCVp0tI2VY0q/nXostH48o6V2tiCWfOWevbcbcIXvFGAsWJD1 GsyA== X-Gm-Message-State: AFqh2kqiEJk3DcNpZR3KCxDNb1V1omJzeVzvvtvBRih9opOfndil1XJk n4iznSjsKHN6YjymyKls9kNHEg== X-Google-Smtp-Source: AMrXdXsOoCDY3AFTbZkVVxZNV7DNVyTnQe5kZmjTZzQctK+rrRccUH451GKzCDJury4bqU0zvXB6sQ== X-Received: by 2002:a05:6402:2990:b0:499:8849:5fb8 with SMTP id eq16-20020a056402299000b0049988495fb8mr54662401edb.30.1675078810007; Mon, 30 Jan 2023 03:40:10 -0800 (PST) Received: from localhost ([194.62.217.4]) by smtp.gmail.com with ESMTPSA id g5-20020a50ee05000000b004835bd8dfe5sm6744664eds.35.2023.01.30.03.40.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Jan 2023 03:40:09 -0800 (PST) References: <4CC4F55E-17B3-47E2-A8C5-9098CCEB65D6@dubeyko.com> <5DF10459-88F3-48DA-AEB2-5B436549A194@bytedance.com> User-agent: mu4e 1.8.13; emacs 28.2.50 From: Andreas Hindborg To: Matias =?utf-8?Q?Bj=C3=B8rling?= Cc: Ming Lei , "Viacheslav A.Dubeyko" , Viacheslav Dubeyko , Luis Chamberlain , Linux FS Devel , "linux-block@vger.kernel.org" , Javier =?utf-8?Q?Gonz=C3=A1lez?= , Bart Van Assche , Damien Le Moal , Adam Manzanares , Hans Holmberg , "lsf-pc@lists.linux-foundation.org" , Andreas Hindborg Subject: Re: [External] [LSF/MM/BPF BoF] Session for Zoned Storage 2023 Date: Mon, 30 Jan 2023 12:24:20 +0100 In-reply-to: Message-ID: <87pmawuu7b.fsf@metaspace.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi Ming, Matias, Matias Bj=C3=B8rling writes: >> > >> > I think we can consider such discussions: >> > (1) I assume that we still need to discuss PO2 zone sizes? >> > (2) Status of ZNS SSD support in F2FS, btrfs (maybe, bcachefs and >> > other file systems) >> > (3) Any news from ZoneFS (+ ZenFS maybe)? >> > (4) New ZNS standard features that we need to support on block layer += FS >> levels? >> > (5) ZNS drive emulation + additional testing features? >>=20 >> ZNS drive emulation can be done as one ublk target(userspace implementat= ion >> with ublk driver extension), and it was discussed before: >>=20 >> https://github.com/ming1/ubdsrv/pull/28 >>=20 >>=20 >> Thanks, >> Ming > > Hi Ming,=20 > > Andreas recently transitioned from WD to another company. I am not sure i= f he'll continue this specific work, if he isn=E2=80=99t, my team will pick= it up. It already looks very promising. > > Thanks, Matias I joined Samsung recently, and I plan to continue the work on adding zoned storage support to ublk in that context. I will send the patches to the relevant lists when they get further along. I hope your team will evaluate and provide feedback Matias :) Best regards, Andreas