diff --git a/src/sys/ubixfsv2/fsAbstract.h b/src/sys/ubixfsv2/fsAbstract.h
index 87cbdaa..9ea69b5 100644
--- a/src/sys/ubixfsv2/fsAbstract.h
+++ b/src/sys/ubixfsv2/fsAbstract.h
@@ -5,6 +5,8 @@
  protected:
  public: 
   virtual bool format(void) = 0;
+  virtual bool write(void) = 0;
+  virtual bool read(void) = 0;
   virtual bool mount(void) = 0;
   virtual bool unmount(void) = 0;
   virtual bool verify(void) = 0;
diff --git a/src/sys/ubixfsv2/superblock.h b/src/sys/ubixfsv2/superblock.h
index 856f000..fac50cd 100644
--- a/src/sys/ubixfsv2/superblock.h
+++ b/src/sys/ubixfsv2/superblock.h
@@ -55,10 +55,7 @@
 // indicies
   inodeAddr indicies      __attribute__ ((packed));
 
-// container list
-  inodeAddr containers    __attribute__ ((packed));
-
-  int32     pad[92]        __attribute__ ((packed));
+  int32     pad[94]        __attribute__ ((packed));
   
 } diskSuperBlock;