1 files changed, 2 insertions, 0 deletions

diff --git a/fsvar.h b/fsvar.h
index 4388f75..dba45d5 100644
--- a/fsvar.h
+++ b/fsvar.h
@@ -10,3 +10,5 @@ struct inode {
   uint size;
   uint addrs[NDIRECT];
 };
+
+extern uint rootdev;