Re: [PATCH v2 8/8] block: add WARN() in bio_split() for sector alignment

[Bart Van Assche]

On 3/25/21 2:26 PM, Satya Tangirala wrote:
> @@ -1458,6 +1458,7 @@ struct bio *bio_split(struct bio *bio, int sectors,
>  
>  	BUG_ON(sectors <= 0);
>  	BUG_ON(sectors >= bio_sectors(bio));
> +	WARN_ON(!IS_ALIGNED(sectors, bio_required_sector_alignment(bio)));

Please change this WARN_ON() into WARN_ON_ONCE() to prevent a storm of
call traces in the kernel log if this warning statement would be hit
repeatedly.

Thanks,

Bart.