[PATCH 3/7] xen-blkback: use sync_blockdev

[Christoph Hellwig <hch@xxxxxx>]

Use sync_blockdev instead of opencoding it.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 drivers/block/xen-blkback/xenbus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/xen-blkback/xenbus.c 
b/drivers/block/xen-blkback/xenbus.c
index 33eba3df4dd9a..914587aabca0c 100644
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -98,7 +98,7 @@ static void xen_update_blkif_status(struct xen_blkif *blkif)
                return;
        }
 
-       err = filemap_write_and_wait(blkif->vbd.bdev->bd_inode->i_mapping);
+       err = sync_blockdev(blkif->vbd.bdev);
        if (err) {
                xenbus_dev_error(blkif->be->dev, err, "block flush");
                return;
-- 
2.30.2