Re: [PATCH] s390/dcssblk:: don't call bio_split_to_limits

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On Mon, Jan 23, 2023 at 08:53:56AM +0100, Christoph Hellwig wrote:
> s390 iterates over the bio using bio_for_each_segment and doesn't need
> any bio splitting.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
>  drivers/s390/block/dcssblk.c | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
> index c0f85ffb2b62de..c09f2e053bf863 100644
> --- a/drivers/s390/block/dcssblk.c
> +++ b/drivers/s390/block/dcssblk.c
> @@ -864,10 +864,6 @@ dcssblk_submit_bio(struct bio *bio)
>  	unsigned long source_addr;
>  	unsigned long bytes_done;
>  
> -	bio = bio_split_to_limits(bio);
> -	if (!bio)
> -		return;
> -
>  	bytes_done = 0;
>  	dev_info = bio->bi_bdev->bd_disk->private_data;
>  	if (dev_info == NULL)

Acked-by: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>



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