On Thu 26-11-20 14:04:05, Christoph Hellwig wrote:
> Now that struct hd_struct has a block_device pointer use that to
> find the disk.
> 
> Signed-off-by: Christoph Hellwig <[email protected]>
> Acked-by: Tejun Heo <[email protected]>

Looks good to me. You can add:

Reviewed-by: Jan Kara <[email protected]>

                                                                Honza

> ---
>  include/linux/genhd.h | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/include/linux/genhd.h b/include/linux/genhd.h
> index 42a51653c7303e..6ba91ee54cb2f6 100644
> --- a/include/linux/genhd.h
> +++ b/include/linux/genhd.h
> @@ -218,13 +218,9 @@ struct gendisk {
>  
>  static inline struct gendisk *part_to_disk(struct hd_struct *part)
>  {
> -     if (likely(part)) {
> -             if (part->partno)
> -                     return dev_to_disk(part_to_dev(part)->parent);
> -             else
> -                     return dev_to_disk(part_to_dev(part));
> -     }
> -     return NULL;
> +     if (unlikely(!part))
> +             return NULL;
> +     return part->bdev->bd_disk;
>  }
>  
>  static inline int disk_max_parts(struct gendisk *disk)
> -- 
> 2.29.2
> 
-- 
Jan Kara <[email protected]>
SUSE Labs, CR

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