diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index 6fa3cf5..21bd803 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -113,6 +113,7 @@
 	struct list_head slist; /* list of sessions registered with v9fs */
 	struct backing_dev_info bdi;
 	struct rw_semaphore rename_sem;
+	struct p9_fid *root_fid; /* Used for file system sync */
 };
 
 struct p9_fid *v9fs_session_init(struct v9fs_session_info *, const char *,