[Drbd-dev] [PATCH 04/30] drbd: use bdev_nr_sectors instead of open coding it

Lee Duncan lduncan at suse.com
Fri Oct 15 20:00:57 CEST 2021


On 10/15/21 6:26 AM, Christoph Hellwig wrote:
> Use the proper helper to read the block device size.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>
> Reviewed-by: Kees Cook <keescook at chromium.org>
> Reviewed-by: Chaitanya Kulkarni <kch at nvidia.com>
> ---
>  drivers/block/drbd/drbd_int.h | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
> index 5d9181382ce19..75fda53eed8cf 100644
> --- a/drivers/block/drbd/drbd_int.h
> +++ b/drivers/block/drbd/drbd_int.h
> @@ -1826,8 +1826,7 @@ static inline sector_t drbd_md_last_sector(struct drbd_backing_dev *bdev)
>  /* Returns the number of 512 byte sectors of the device */
>  static inline sector_t drbd_get_capacity(struct block_device *bdev)
>  {
> -	/* return bdev ? get_capacity(bdev->bd_disk) : 0; */
> -	return bdev ? i_size_read(bdev->bd_inode) >> 9 : 0;
> +	return bdev ? bdev_nr_sectors(bdev) : 0;
>  }
>  
>  /**
> 

Reviewed-by: Lee Duncan <lduncan at suse.com>



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