The block job has the aio context change notifier, we should allow it
here as well.

Signed-off-by: Fam Zheng <famz@redhat.com>
---
 block/commit.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/block/commit.c b/block/commit.c
index 2832482..a1805c2 100644
--- a/block/commit.c
+++ b/block/commit.c
@@ -388,7 +388,8 @@ void commit_start(const char *job_id, BlockDriverState *bs,
                       | BLK_PERM_RESIZE,
                       BLK_PERM_CONSISTENT_READ
                       | BLK_PERM_GRAPH_MOD
-                      | BLK_PERM_WRITE_UNCHANGED);
+                      | BLK_PERM_WRITE_UNCHANGED
+                      | BLK_PERM_AIO_CONTEXT_CHANGE);
     ret = blk_insert_bs(s->base, base, errp);
     if (ret < 0) {
         goto fail;
-- 
2.9.3