[COMPILE TEST ONLY PATCH V3 9/9] xen/blkback: use helper in vbd_sz()

Chaitanya Kulkarni
2019-07-02T17:42:35Z

This patch updates the vbd_sz() macro with newly introduced helper
function to read the nr_sects from block device's hd_parts with the
help of part_nr_sects_read().

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
---
drivers/block/xen-blkback/common.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h
index 1d3002d773f7..f96cb8d1cb99 100644
--- a/drivers/block/xen-blkback/common.h
+++ b/drivers/block/xen-blkback/common.h
@@ -359,7 +359,7 @@ struct pending_req {

#define vbd_sz(_v) ((_v)->bdev->bd_part ? \
- (_v)->bdev->bd_part->nr_sects : \
+ bdev_nr_sects((_v)->bdev) : \
get_capacity((_v)->bdev->bd_disk))

#define xen_blkif_get(_b) (atomic_inc(&(_b)->refcnt))