diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index efe84be65a44..74b82390fe84 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -3762,6 +3762,8 @@ static int try_flush_qgroup(struct btrfs_root *root)
 		return 0;
 	}
 
+	btrfs_run_delayed_iputs(root->fs_info);
+	btrfs_wait_on_delayed_iputs(root->fs_info);
 	ret = btrfs_start_delalloc_snapshot(root, true);
 	if (ret < 0)
 		goto out;