linux-kernel - Re: [PATCH] f2fs:remove the restriction on zone sector being align to pow2

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Date: Sun, 28 Apr 2024 19:23:19 +0800
From: Chao Yu <chao@...nel.org>
To: Liao Yuanhong <liaoyuanhong@...o.com>, Jaegeuk Kim <jaegeuk@...nel.org>
Cc: bo.wu@...o.com, linux-f2fs-devel@...ts.sourceforge.net,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] f2fs:remove the restriction on zone sector being align to
 pow2

On 2024/4/28 19:14, Liao Yuanhong wrote:
> For zoned-UFS, sector size may not aligned to pow2, so we need to remove
> the pow2 limitation.
> 
> Signed-off-by: Liao Yuanhong <liaoyuanhong@...o.com>
> ---
>   drivers/md/dm-table.c | 4 ----
>   1 file changed, 4 deletions(-)
> 
> diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
> index 41f1d731ae5a..823f2f6a2d53 100644
> --- a/drivers/md/dm-table.c
> +++ b/drivers/md/dm-table.c

Hi, please discuss this in dm-devel@...ts.linux.dev, thanks.

Thanks,

> @@ -1663,10 +1663,6 @@ static int validate_hardware_zoned(struct dm_table *t, bool zoned,
>   		return -EINVAL;
>   	}
>   
> -	/* Check zone size validity and compatibility */
> -	if (!zone_sectors || !is_power_of_2(zone_sectors))
> -		return -EINVAL;
> -
>   	if (dm_table_any_dev_attr(t, device_not_matches_zone_sectors, &zone_sectors)) {
>   		DMERR("%s: zone sectors is not consistent across all zoned devices",
>   		      dm_device_name(t->md));