text: //
  //  SuperBlock.h
  //  OS_IEXT2
  //
  //  Created by jimzhai on 13-11-25.
  //  Copyright (c) 2013年 com.jimzhai. All rights reserved.
  //
  
  #ifndef OS_IEXT2_SuperBlock_h
  #define OS_IEXT2_SuperBlock_h
  
  struct SuperBlock{
      unsigned int inodes_count;//inode total quantity（max value:2^32）
      unsigned int blocks_count;//block total quantity（max value:2^32）
      unsigned int block_groups;//block groups total quantity (max value:2^32)
      unsigned short int blocks_per_group;//the quantity of blocks in each bloks group (max value:2^16)
      unsigned int inodes_per_group;//the quantity of inodes in each bloks group (max value:2^32)
      unsigned short int block_size;//the size of block
      unsigned int free_inodes_count;
      unsigned int free_blocks_count;
  };
  
  #endif
  