diff --git a/src/sys/ubixfsv2/fsAbstract.h b/src/sys/ubixfsv2/fsAbstract.h
index 9ea69b5..e4dbd1e 100644
--- a/src/sys/ubixfsv2/fsAbstract.h
+++ b/src/sys/ubixfsv2/fsAbstract.h
@@ -3,13 +3,23 @@
 
 class FSAbstract {
  protected:
+  FSAbstract * prev;
+  FSAbstract * next;
+  void * dev;
  public: 
+  virtual bool close(void) = 0;
+  virtual bool init(void) = 0;
   virtual bool format(void) = 0;
-  virtual bool write(void) = 0;
+  virtual bool mkdir(void) = 0;
+  virtual bool open(void) = 0;
   virtual bool read(void) = 0;
-  virtual bool mount(void) = 0;
-  virtual bool unmount(void) = 0;
+  virtual bool readDir(void) = 0;
+  virtual bool rename(void) = 0;
+  virtual bool stop(void) = 0;
+  virtual bool sync(void) = 0;
+  virtual bool unlink(void) = 0;
   virtual bool verify(void) = 0;
+  virtual bool write(void) = 0;
   virtual     ~FSAbstract(void) { };
 }; // FSAbstract
 
diff --git a/src/sys/ubixfsv2/superblock.h b/src/sys/ubixfsv2/superblock.h
index fac50cd..c778ca4 100644
--- a/src/sys/ubixfsv2/superblock.h
+++ b/src/sys/ubixfsv2/superblock.h
@@ -32,6 +32,7 @@
   off_t     numBlocks     __attribute__ ((packed));
   off_t     usedBlocks    __attribute__ ((packed));
   
+  uInt32    inodeCount    __attribute__ ((packed));
   int32     inodeSize     __attribute__ ((packed));
   int32     magic2        __attribute__ ((packed));
   int32     blocksPerAG   __attribute__ ((packed));
@@ -55,7 +56,7 @@
 // indicies
   inodeAddr indicies      __attribute__ ((packed));
 
-  int32     pad[94]        __attribute__ ((packed));
+  char     pad[372]        __attribute__ ((packed));
   
 } diskSuperBlock;