Commit c64dc3bd authored Nov 23, 2020 by Christoph Hellwig Committed by Jens Axboe Dec 01, 2020

block: simplify part_to_disk



Now that struct hd_struct has a block_device pointer use that to
find the disk.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent 37c3fc9a

include/linux/genhd.h

+3 −7

Original line number	Diff line number	Diff line
		@@ -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));
		}
		if (unlikely(!part))
		return NULL;
		return part->bdev->bd_disk;
		}

		static inline int disk_max_parts(struct gendisk *disk)