qed: track dirty flag status

Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/block/qed.c b/block/qed.c
index d6c158086670ae694846e46a9bdebe41153dd069..19d87f3bef9b4aec94cf965b535b807a83d2711f 100644 (file)
--- a/block/qed.c
+++ b/block/qed.c
@@ -1434,6 +1434,7 @@ static int bdrv_qed_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
 
     memset(bdi, 0, sizeof(*bdi));
     bdi->cluster_size = s->header.cluster_size;
+    bdi->is_dirty = s->header.features & QED_F_NEED_CHECK;
     return 0;
 }