# \[PATCH 07/15\] rbd: use bvec\_virt

- From: Christoph Hellwig \<hch@lst.de\>
- Date: 2021-08-04 10:04:30 
- List: linux-block
- Page: https://ratatoskr.run/linux-block/2021/08/6404279
- Thread: https://ratatoskr.run/linux-block/2021/08/6404270/t.md

```text
Use bvec_virt instead of open coding it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/rbd.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 6d596c2c2cd6..e65c9d706f6f 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -2986,8 +2986,7 @@ static bool is_zero_bvecs(struct bio_vec *bvecs, u32 bytes)
 	};
 
 	ceph_bvec_iter_advance_step(&it, bytes, ({
-		if (memchr_inv(page_address(bv.bv_page) + bv.bv_offset, 0,
-			       bv.bv_len))
+		if (memchr_inv(bvec_virt(&bv), 0, bv.bv_len))
 			return false;
 	}));
 	return true;
-- 
2.30.2

```