Re: [PATCH] block: Drop granularity check in queue_limit_discard_alignment()

[John Garry <john.g.garry@oracle.com>]

On 12/11/2024 09:21, John Garry wrote:
> lim->discard_granularity is always at least SECTOR_SIZE, so drop the
> pointless check for granularity less than SECTOR_SIZE.
> 
> Signed-off-by: John Garry <john.g.garry@oracle.com>

Just a reminder in case this can still make v6.13

I wouldn't say that it is a fix.

Thanks,
John

> 
> diff --git a/block/blk-settings.c b/block/blk-settings.c
> index 7d6b296997c2..4091794c5a1c 100644
> --- a/block/blk-settings.c
> +++ b/block/blk-settings.c
> @@ -457,8 +457,6 @@ static unsigned int queue_limit_discard_alignment(
>   	/* Why are these in bytes, not sectors? */
>   	alignment = lim->discard_alignment >> SECTOR_SHIFT;
>   	granularity = lim->discard_granularity >> SECTOR_SHIFT;
> -	if (!granularity)
> -		return 0;
>   
>   	/* Offset of the partition start in 'granularity' sectors */
>   	offset = sector_div(sector, granularity);