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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 CDE22C352A3 for ; Tue, 11 Feb 2020 17:16:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9CB8520578 for ; Tue, 11 Feb 2020 17:16:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="GsnKazxY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728078AbgBKRQW (ORCPT ); Tue, 11 Feb 2020 12:16:22 -0500 Received: from mail-wr1-f67.google.com ([209.85.221.67]:45193 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727954AbgBKRQV (ORCPT ); Tue, 11 Feb 2020 12:16:21 -0500 Received: by mail-wr1-f67.google.com with SMTP id g3so12292250wrs.12 for ; Tue, 11 Feb 2020 09:16:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=ZfNwHwXfw/8GSZ4MKcK5t1g/zszh0xJvL2d+WT45nRM=; b=GsnKazxYJEWfa+2xu7z2B9lz+NfLGCHbj08hYDehOYyBAFLDRyryPJvG9+y+8TmadJ Q5bHCWmrVCYEMsr0Del81n9JNQTG+79bxxnbQGe5LglwWH3aGh9Tdjl1BL94kwv8tWmy lfgNIkAOnDaXMy8A4UNhS2hvoewpyykVWgVHhCedDI2ZEkhFn9KechLpWkBK/9oqCV1P S2C3jg15VREOiKM9ChMWaCGLWA0AUmluPXQ12iq+fGaMmxGYvZ5yAaPLbw+PXri2EG77 YJAuXg94ROkIlOf34L3LwMTeWRn/mDZN075FYA84waDMSu9W9h65luiVD0FeIvb/Q6Jv NN9A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to:user-agent; bh=ZfNwHwXfw/8GSZ4MKcK5t1g/zszh0xJvL2d+WT45nRM=; b=MLvNgT8QLwssOwH/P96xLiZulIASPVHj3ev+YsCuyIXYlulB4CerxxOlbhYrLEpvQa buQplLNJJAFUFw03C/6ZZ6dLe97lmo1zKM85cG9lk02cPM2cCOpOXQHgOdxqKFM46qLH mhR9Aa49rDb0cBGgCuHJ1Y+cFk3hrVCV6+yvM7CgoOqEqAYR17YoJUtE0tOEKhdsDIam HvG4lHB0WyMhhh1DVSVg24rLk63ADxnWlvSJdGqXJbYZY/WnC2SjQmm7ah3v+qxD120s 4Jda6ROwMCBfiid8cRDeyLPl2I6L1cvLl6gVoot4Jy4odB1oAtjLp/sEGeRRhqI9dKS1 NSow== X-Gm-Message-State: APjAAAVJEREEWfpwNfsgFws3Qfx1OC0M+ZeisLNBPLAr63OQC+5HnkRV SLIvTW5HGVIwX9lEYs6hnQ== X-Google-Smtp-Source: APXvYqweTv2ibV99v1h3KroC6nOkHCZ7bZeqTjBV47GJOjvjaWFQ+OXw0d3izJOIiJJdkGju3HXoMg== X-Received: by 2002:a5d:66cc:: with SMTP id k12mr9322580wrw.72.1581441379571; Tue, 11 Feb 2020 09:16:19 -0800 (PST) Received: from avx2 ([46.53.254.169]) by smtp.gmail.com with ESMTPSA id a198sm4439954wme.12.2020.02.11.09.16.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Feb 2020 09:16:19 -0800 (PST) Date: Tue, 11 Feb 2020 20:16:16 +0300 From: Alexey Dobriyan To: Matias =?utf-8?B?QmrDuHJsaW5n?= Cc: axboe@kernel.dk, linux-block@vger.kernel.org, damien.lemoal@wdc.com Subject: Re: [PATCH v2] block: support arbitrary zone size Message-ID: <20200211171616.GA2187@avx2> References: <20200210220816.GA7769@avx2> <20200210222045.GA1495@avx2> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Tue, Feb 11, 2020 at 12:28:17AM +0100, Matias Bjørling wrote: > The ZNS specification is specifically written to accommodate this. It > has two type of zone sizes, the Zone Size (which is what should be a > power of two) and the Zone Capacity (that is the writable capacity of > the zone). Ouch, what an embarassing patch I've sent. For some reason holes in LBA space completely escaped my mind. Alexey