# \[PATCH 02/29\] drbd: use bdev\_nr\_sectors instead of open coding it

- From: Christoph Hellwig \<hch@lst.de\>
- Date: 2021-10-13 05:16:11 
- List: linux-ext4
- Page: https://ratatoskr.run/linux-ext4/2021/10/215822
- Thread: https://ratatoskr.run/linux-block/2021/10/215820/t.md

```text
Use the proper helper to read the block device size.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 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;
 }
 
 /**
-- 
2.30.2

```