don't use ->bd_inode to access the block device size v3

[Kari Argillander]

On Mon, Oct 18, 2021 at 11:53:08AM -0600, Jens Axboe wrote:

snip..

> diff --git a/include/linux/genhd.h b/include/linux/genhd.h
> index 7b0326661a1e..a967b3fb3c71 100644
> --- a/include/linux/genhd.h
> +++ b/include/linux/genhd.h
> @@ -236,14 +236,14 @@ static inline sector_t get_start_sect(struct block_device *bdev)
>  	return bdev->bd_start_sect;
>  }
>  
> -static inline loff_t bdev_nr_bytes(struct block_device *bdev)
> +static inline sector_t bdev_nr_sectors(struct block_device *bdev)
>  {
> -	return i_size_read(bdev->bd_inode);
> +	return bdev->bd_nr_sectors;
>  }
>  
> -static inline sector_t bdev_nr_sectors(struct block_device *bdev)
> +static inline loff_t bdev_nr_bytes(struct block_device *bdev)
>  {
> -	return bdev_nr_bytes(bdev) >> SECTOR_SHIFT;
> +	return bdev_nr_setors(bdev) << SECTOR_SHIFT;

setors -> sectors

>  }
>  
>  static inline sector_t get_capacity(struct gendisk *disk)
> 
> -- 
> Jens Axboe
>