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 <hch@xxxxxx>
> Acked-by: Tejun Heo <tj@xxxxxxxxxx>
Looks good to me. You can add:
Reviewed-by: Jan Kara <jack@xxxxxxx>
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 <jack@xxxxxxxx>
SUSE Labs, CR
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