# Re: \[PATCH 02/30\] block: add a bdev\_nr\_bytes helper

- From: Matthew Wilcox \<willy@infradead.org\>
- Date: 2021-10-15 13:39:05 
- List: linux-ext4
- Page: https://ratatoskr.run/linux-ext4/2021/10/216113
- Thread: https://ratatoskr.run/linux-block/2021/10/216086/t.md

```text
On Fri, Oct 15, 2021 at 03:26:15PM +0200, Christoph Hellwig wrote:
> +static inline sector_t bdev_nr_bytes(struct block_device *bdev)
> +{
> +	return i_size_read(bdev->bd_inode);

Uh.  loff_t, surely?
```