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 D1FA5C19F21 for ; Wed, 27 Jul 2022 23:19:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231128AbiG0XTr (ORCPT ); Wed, 27 Jul 2022 19:19:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229576AbiG0XTq (ORCPT ); Wed, 27 Jul 2022 19:19:46 -0400 Received: from mail-pj1-f50.google.com (mail-pj1-f50.google.com [209.85.216.50]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2AB5152DC9; Wed, 27 Jul 2022 16:19:42 -0700 (PDT) Received: by mail-pj1-f50.google.com with SMTP id o5-20020a17090a3d4500b001ef76490983so471154pjf.2; Wed, 27 Jul 2022 16:19:42 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=kOepgtwcdLQRP/qRZeoxPArZsGP7iFtltMUiXWZxlTA=; b=tY2wqxBhbn9ED5ntQXGfZBBks9gGvurFn6sqilqP77TsBC0B2P7jo/G7+I81iNbgqo 607caZN/vWRb6YkI75+6j31y3qOf6VGviIGOidumkzN+W1uaVeuOjSPigEdUPOCXAd+A 86kLkq7w0YEaefrFarspw1P+TvukOXAsc+O41P/vHE9p4niqbumydjUIGgDe3/Zdr1Kc p3h0+3K2OMZ/XgnTu25z2dKyU+TUdp6Ols2hpmSThYvWjcA9qzsOj6uQhU7R/4hRubJe zSh24iE8BI8HloJujvtAmeIoGG0wMbO0NiL5G5dRhhSv2hGQquAHvEPx03FO0re0ed1K eKpg== X-Gm-Message-State: AJIora+0t3bEJXENua95U/PotGj6i9hSQ6ELB1dvyQdcORZueNV0L5nI La8s5X6Kt6z9LLqYP71EX+I= X-Google-Smtp-Source: AGRyM1v4arIrU8OrBsKV8oknRZWNQ7p4sPrLDkPKFw6Y11E+aVKagxx/UxaZflYaD5XeZX1L1eA7ig== X-Received: by 2002:a17:903:2282:b0:16c:500f:b78e with SMTP id b2-20020a170903228200b0016c500fb78emr23736794plh.49.1658963981476; Wed, 27 Jul 2022 16:19:41 -0700 (PDT) Received: from ?IPV6:2620:15c:211:201:a84e:2ec1:1b57:b033? ([2620:15c:211:201:a84e:2ec1:1b57:b033]) by smtp.gmail.com with ESMTPSA id q13-20020a65684d000000b00419cde333eesm12516908pgt.64.2022.07.27.16.19.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 27 Jul 2022 16:19:40 -0700 (PDT) Message-ID: <51255650-ddc2-4f3d-52e5-14007b9ff538@acm.org> Date: Wed, 27 Jul 2022 16:19:38 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH v8 00/11] support non power of 2 zoned device Content-Language: en-US To: Pankaj Raghav , damien.lemoal@opensource.wdc.com, hch@lst.de, axboe@kernel.dk, snitzer@kernel.org, Johannes.Thumshirn@wdc.com Cc: matias.bjorling@wdc.com, gost.dev@samsung.com, linux-kernel@vger.kernel.org, hare@suse.de, linux-block@vger.kernel.org, pankydev8@gmail.com, jaegeuk@kernel.org, dm-devel@redhat.com, linux-nvme@lists.infradead.org References: <20220727162245.209794-1-p.raghav@samsung.com> From: Bart Van Assche In-Reply-To: <20220727162245.209794-1-p.raghav@samsung.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 7/27/22 09:22, Pankaj Raghav wrote: > This series adds support to npo2 zoned devices in the block and nvme > layer and a new **dm target** is added: dm-po2z-target. This new > target will be initially used for filesystems such as btrfs and > f2fs that does not have native npo2 zone support. Should any SCSI changes be included in this patch series? From sd_zbc.c: if (!is_power_of_2(zone_blocks)) { sd_printk(KERN_ERR, sdkp, "Zone size %llu is not a power of two.\n", zone_blocks); return -EINVAL; } Thanks, Bart.