linux-kernel - Re: [PATCH v7 13/13] dm: add non power of 2 zoned target

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Date:   Wed, 15 Jun 2022 12:54:53 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Pankaj Raghav <p.raghav@...sung.com>, hch@....de,
        snitzer@...hat.com, damien.lemoal@...nsource.wdc.com,
        axboe@...nel.dk
Cc:     bvanassche@....org, linux-kernel@...r.kernel.org,
        jiangbo.365@...edance.com, hare@...e.de, pankydev8@...il.com,
        dm-devel@...hat.com, jonathan.derrick@...ux.dev,
        gost.dev@...sung.com, dsterba@...e.com, jaegeuk@...nel.org,
        linux-nvme@...ts.infradead.org, Johannes.Thumshirn@....com,
        linux-block@...r.kernel.org, Damien Le Moal <damien.lemoal@....com>
Subject: Re: [PATCH v7 13/13] dm: add non power of 2 zoned target

Hi--

On 6/15/22 03:19, Pankaj Raghav wrote:

> ---
>  drivers/md/Kconfig                |   9 +
>  drivers/md/Makefile               |   2 +
>  drivers/md/dm-zone.c              |   9 +
>  drivers/md/dm-zoned-npo2-target.c | 268 ++++++++++++++++++++++++++++++
>  4 files changed, 288 insertions(+)
>  create mode 100644 drivers/md/dm-zoned-npo2-target.c
> 
> diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
> index 998a5cfdb..773314536 100644
> --- a/drivers/md/Kconfig
> +++ b/drivers/md/Kconfig
> @@ -518,6 +518,15 @@ config DM_FLAKEY
>  	help
>  	 A target that intermittently fails I/O for debugging purposes.
>  
> +config DM_ZONED_NPO2
> +	tristate "Zoned non power of 2 target"

	         "Zoned non-power-of-2 target"

> +	depends on BLK_DEV_DM
> +	depends on BLK_DEV_ZONED
> +	help
> +	A target that converts a zoned device with non power of 2 zone size to

	                                           non-power-of-2 zone size to

> +	be power of 2. This is done by introducing gaps in between the zone
> +	capacity and the power of 2 zone size.

All help text should be indented with one tab and 2 spaces
according to Documentation/process/coding-style.rst.

> +
>  config DM_VERITY
>  	tristate "Verity target support"
>  	depends on BLK_DEV_DM

[snip]

> +
> +MODULE_DESCRIPTION(DM_NAME " non power 2 zoned target");

                                non-power-of-2

> +MODULE_AUTHOR("Pankaj Raghav <p.raghav@...sung.com>");
> +MODULE_LICENSE("GPL");
> +

-- 
~Randy