From: Chaitanya Kulkarni <Chaitanya.Kulkarni@wdc.com>
To: Damien Le Moal <Damien.LeMoal@wdc.com>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
Jens Axboe <axboe@kernel.dk>
Cc: "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
Christoph Hellwig <hch@lst.de>, Keith Busch <Keith.Busch@wdc.com>
Subject: Re: [PATCH v4 6/8] zonefs: use zone write granularity as block size
Date: Thu, 28 Jan 2021 05:17:24 +0000 [thread overview]
Message-ID: <BYAPR04MB4965377962784FD8065FAF9886BA9@BYAPR04MB4965.namprd04.prod.outlook.com> (raw)
In-Reply-To: 20210128044733.503606-7-damien.lemoal@wdc.com
On 1/27/21 20:47, Damien Le Moal wrote:
> Zoned block devices have different granularity constraints for write
> operations into sequential zones. E.g. ZBC and ZAC devices require that
> writes be aligned to the device physical block size while NVMe ZNS
> devices allow logical block size aligned write operations. To correctly
> handle such difference, use the device zone write granularity limit to
> set the block size of a zonefs volume, thus allowing the smallest
> possible write unit for all zoned device types.
>
> Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Looks good.
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
next prev parent reply other threads:[~2021-01-28 5:18 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-28 4:47 [PATCH v4 0/8] block: add zone write granularity limit Damien Le Moal
2021-01-28 4:47 ` [PATCH v4 1/8] block: document zone_append_max_bytes attribute Damien Le Moal
2021-01-28 10:20 ` Johannes Thumshirn
2021-01-28 4:47 ` [PATCH v4 2/8] nvme: cleanup zone information initialization Damien Le Moal
2021-01-28 9:17 ` Christoph Hellwig
2021-01-28 9:27 ` Damien Le Moal
2021-01-28 9:32 ` Christoph Hellwig
2021-01-28 4:47 ` [PATCH v4 3/8] nullb: use blk_queue_set_zoned() to setup zoned devices Damien Le Moal
2021-01-28 5:12 ` Chaitanya Kulkarni
2021-01-28 9:17 ` Christoph Hellwig
2021-01-28 11:17 ` Johannes Thumshirn
2021-01-28 4:47 ` [PATCH v4 4/8] block: use blk_queue_set_zoned in add_partition() Damien Le Moal
2021-01-28 5:16 ` Chaitanya Kulkarni
2021-01-28 9:17 ` Christoph Hellwig
2021-01-28 11:28 ` Johannes Thumshirn
2021-01-28 4:47 ` [PATCH v4 5/8] block: introduce zone_write_granularity limit Damien Le Moal
2021-01-28 9:19 ` Christoph Hellwig
2021-01-28 11:32 ` Johannes Thumshirn
2021-02-05 2:54 ` Martin K. Petersen
2021-01-28 4:47 ` [PATCH v4 6/8] zonefs: use zone write granularity as block size Damien Le Moal
2021-01-28 5:17 ` Chaitanya Kulkarni [this message]
2021-01-28 11:33 ` Johannes Thumshirn
2021-01-28 4:47 ` [PATCH v4 7/8] block: introduce blk_queue_clear_zone_settings() Damien Le Moal
2021-01-28 5:26 ` Chaitanya Kulkarni
2021-01-28 9:21 ` Christoph Hellwig
2021-01-28 9:32 ` Damien Le Moal
2021-01-28 9:33 ` Christoph Hellwig
2021-01-28 11:43 ` Johannes Thumshirn
2021-01-28 4:47 ` [PATCH v4 8/8] sd_zbc: clear zone resources for non-zoned case Damien Le Moal
2021-01-28 5:38 ` Chaitanya Kulkarni
2021-01-28 5:40 ` Damien Le Moal
2021-01-28 9:24 ` Christoph Hellwig
2021-01-28 9:36 ` Damien Le Moal
2021-01-28 11:48 ` Johannes Thumshirn
2021-02-05 2:56 ` Martin K. Petersen
2021-02-04 8:47 ` [PATCH v4 0/8] block: add zone write granularity limit Damien Le Moal
2021-02-08 17:17 ` Christoph Hellwig
2021-02-10 14:45 ` Jens Axboe
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