# Re: don't use -\>bd\_inode to access the block device size v3

- From: Christoph Hellwig \<hch@lst.de\>
- Date: 2021-10-18 17:49:11 
- List: linux-bcache
- Page: https://ratatoskr.run/linux-bcache/2021/10/216334
- Thread: https://ratatoskr.run/linux-block/2021/10/216197/t.md

```text
On Mon, Oct 18, 2021 at 11:40:51AM -0600, Jens Axboe wrote:
>  static inline loff_t bdev_nr_bytes(struct block_device *bdev)
>  {
> -	return i_size_read(bdev->bd_inode);
> +	return bdev->bd_nr_sectors;

This hunk needs to go into bdev_nr_sectors, and the bdev_nr_bytes
probably wants to call bdev_nr_sectors and do the shifting.
```