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From: Hannes Reinecke <hare@suse.de>
To: Keith Busch <kbusch@kernel.org>,
	linux-nvme@lists.infradead.org, hch@lst.de, sagi@grimberg.me,
	linux-block@vger.kernel.org, axboe@kernel.dk
Cc: "Matias Bjørling" <matias.bjorling@wdc.com>,
	"Chaitanya Kulkarni" <chaitanya.kulkarni@wdc.com>,
	"Javier González" <javier.gonz@samsung.com>,
	"Daniel Wagner" <dwagner@suse.de>,
	"Johannes Thumshirn" <johannes.thumshirn@wdc.com>,
	"Martin K . Petersen" <martin.petersen@oracle.com>
Subject: Re: [PATCHv3 1/5] block: add capacity field to zone descriptors
Date: Tue, 23 Jun 2020 08:15:15 +0200
Message-ID: <d6b828c4-c0ff-d082-a6c4-2bfb2736a62c@suse.de> (raw)
In-Reply-To: <20200622162530.1287650-2-kbusch@kernel.org>

On 6/22/20 6:25 PM, Keith Busch wrote:
> From: Matias Bjørling <matias.bjorling@wdc.com>
> 
> 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: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
> Reviewed-by: Javier González <javier.gonz@samsung.com>
> Reviewed-by: Daniel Wagner <dwagner@suse.de>
> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
> Signed-off-by: Matias Bjørling <matias.bjorling@wdc.com>
> ---
>   block/blk-zoned.c              |  1 +
>   drivers/block/null_blk_zoned.c |  2 ++
>   drivers/scsi/sd_zbc.c          |  1 +
>   include/uapi/linux/blkzoned.h  | 15 +++++++++++++--
>   4 files changed, 17 insertions(+), 2 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke            Teamlead Storage & Networking
hare@suse.de                               +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer

  reply index

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-22 16:25 [PATCHv3 0/5] nvme support for zoned namespace command set Keith Busch
2020-06-22 16:25 ` [PATCHv3 1/5] block: add capacity field to zone descriptors Keith Busch
2020-06-23  6:15   ` Hannes Reinecke [this message]
2020-06-23  8:44   ` Sagi Grimberg
2020-06-26 12:17   ` Jens Axboe
2020-06-22 16:25 ` [PATCHv3 2/5] null_blk: introduce zone capacity for zoned device Keith Busch
2020-06-23  6:16   ` Hannes Reinecke
2020-06-23  8:45   ` Sagi Grimberg
2020-06-22 16:25 ` [PATCHv3 3/5] nvme: implement I/O Command Sets Command Set support Keith Busch
2020-06-23  6:20   ` Hannes Reinecke
2020-06-23  9:20     ` Niklas Cassel
2020-06-23 14:25       ` Keith Busch
2020-06-23  8:53   ` Sagi Grimberg
2020-06-23 11:25     ` Niklas Cassel
2020-06-23 14:59       ` Keith Busch
2020-06-23 22:10       ` Keith Busch
2020-06-23 23:17         ` Sagi Grimberg
2020-06-24 17:25           ` Keith Busch
2020-06-24 17:46             ` Sagi Grimberg
2020-06-24 18:03               ` Keith Busch
2020-06-24 18:28                 ` Sagi Grimberg
2020-06-24 18:33                   ` Sagi Grimberg
2020-06-24 18:40                     ` Keith Busch
2020-06-24 19:03                       ` Sagi Grimberg
2020-06-24 21:49                         ` Keith Busch
2020-06-24 22:54                           ` Sagi Grimberg
2020-06-24 23:54                             ` Keith Busch
2020-06-23 23:20       ` Sagi Grimberg
2020-06-26  8:54     ` Christoph Hellwig
2020-06-22 16:25 ` [PATCHv3 4/5] nvme: support for multi-command set effects Keith Busch
2020-06-23  6:21   ` Hannes Reinecke
2020-06-23 17:43   ` Sagi Grimberg
2020-06-22 16:25 ` [PATCHv3 5/5] nvme: support for zoned namespaces Keith Busch
2020-06-22 16:48   ` Johannes Thumshirn
2020-06-23  6:23   ` Hannes Reinecke
2020-06-23 17:45   ` Sagi Grimberg
2020-06-24  9:11   ` Javier González
2020-06-29 13:53   ` Johannes Thumshirn

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