On Thu, Aug 28, 2025 at 12:01:33AM +0200, David Hildenbrand wrote:
> It's no longer required to use nth_page() when iterating pages within a
> single SG entry, so let's drop the nth_page() usage.
>
> Reviewed-by: Bart Van Assche <bvanass...@acm.org>
> Cc: "James E.J. Bottomley" <james.bottom...@hansenpartnership.com>
> Cc: "Martin K. Petersen" <martin.peter...@oracle.com>
> Signed-off-by: David Hildenbrand <da...@redhat.com>

LGTM, so:

Reviewed-by: Lorenzo Stoakes <lorenzo.stoa...@oracle.com>

> ---
>  drivers/scsi/scsi_lib.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
> index 0c65ecfedfbd6..d7e42293b8645 100644
> --- a/drivers/scsi/scsi_lib.c
> +++ b/drivers/scsi/scsi_lib.c
> @@ -3148,8 +3148,7 @@ void *scsi_kmap_atomic_sg(struct scatterlist *sgl, int 
> sg_count,
>       /* Offset starting from the beginning of first page in this sg-entry */
>       *offset = *offset - len_complete + sg->offset;
>
> -     /* Assumption: contiguous pages can be accessed as "page + i" */

Nice to drop this :)

> -     page = nth_page(sg_page(sg), (*offset >> PAGE_SHIFT));
> +     page = sg_page(sg) + (*offset >> PAGE_SHIFT);
>       *offset &= ~PAGE_MASK;
>
>       /* Bytes in this sg-entry from *offset to the end of the page */
> --
> 2.50.1
>

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