# Re: \[PATCH 03/29\] dm: use bdev\_nr\_sectors instead of open coding it

- From: Mike Snitzer \<hidden\>
- Date: 2021-10-13 16:43:22 
- List: linux-btrfs
- Page: https://ratatoskr.run/linux-btrfs/2021/10/215915
- Thread: https://ratatoskr.run/linux-block/2021/10/215820/t.md

```text
On Wed, Oct 13 2021 at  1:10P -0400,
Christoph Hellwig [ref] wrote:

> Use the proper helper to read the block device size.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Acked-by: Mike Snitzer <redacted>

```
