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Petersen" Organization: Oracle Corporation Message-ID: References: <20200615233424.13458-1-keith.busch@wdc.com> <20200615233424.13458-2-keith.busch@wdc.com> Date: Tue, 16 Jun 2020 11:41:21 -0400 In-Reply-To: <20200615233424.13458-2-keith.busch@wdc.com> (Keith Busch's message of "Tue, 16 Jun 2020 08:34:20 +0900") MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9654 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 malwarescore=0 mlxscore=0 suspectscore=1 mlxlogscore=999 phishscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006160110 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9654 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 adultscore=0 mlxscore=0 phishscore=0 mlxlogscore=999 lowpriorityscore=0 clxscore=1011 suspectscore=1 spamscore=0 bulkscore=0 malwarescore=0 impostorscore=0 cotscore=-2147483648 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006160110 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200616_084142_682194_D3C80D09 X-CRM114-Status: GOOD ( 12.18 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jens Axboe , Damien Le Moal , Sagi Grimberg , linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, Christoph Hellwig , Matias =?utf-8?Q?Bj=C3=B8rling?= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Keith, > In the zoned storage model, the sectors within a zone are typically > all writeable. With the introduction of the Zoned Namespace (ZNS) > Command Set in the NVM Express organization, the model was extended to > have a specific writeable capacity. > > Extend the zone descriptor data structure with a zone capacity field to > indicate to the user how many sectors in a zone are writeable. > > Introduce backward compatibility in the zone report ioctl by extending > the zone report header data structure with a flags field to indicate if > the capacity field is available. Reviewed-by: Martin K. Petersen -- Martin K. Petersen Oracle Linux Engineering _______________________________________________ linux-nvme mailing list linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme