rbd: use bvec_virt

Use bvec_virt instead of open coding it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20210804095634.460779-8-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 6d596c2c2cd6a5b1d39fa20506225366a50ab623..e65c9d706f6fbaf174b49f84d0b52899571ea6af 100644 (file)
--- 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;