#ifndef _CRAMFS_FS_SB
  #define _CRAMFS_FS_SB
  
  /*
   * cramfs super-block data in memory
   */
  struct cramfs_sb_info {
  			unsigned long magic;
  			unsigned long size;
  			unsigned long blocks;
  			unsigned long files;
  			unsigned long flags;
  };
  
  static inline struct cramfs_sb_info *CRAMFS_SB(struct super_block *sb)
  {
  	return sb->s_fs_info;
  }
  
  #endif