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

- From: Kees Cook \<hidden\>
- Date: 2021-10-15 15:49:38 
- List: linux-block
- Page: https://ratatoskr.run/linux-block/2021/10/216125
- Thread: https://ratatoskr.run/linux-block/2021/10/216086/t.md

```text
On Fri, Oct 15, 2021 at 02:37:41PM +0000, Anton Altaparmakov wrote:
> Hi Christoph,
> 
> > On 15 Oct 2021, at 14:26, Christoph Hellwig [ref] wrote:
> > 
> > Add a helpe to query the size of a block device in bytes.  This
> > will be used to remove open coded access to ->bd_inode.
> 
> Matthew already pointed out the return type for bdev_nr_bytes() but also your commit message has a typo: "Add a helpe" -> "Add a helper".

Right. With these fixed, I'm a fan. :)

Reviewed-by: Kees Cook <redacted>

-Kees

-- 
Kees Cook
```