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([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 X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, NICE_REPLY_A,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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.