text: #ifndef _ADFS_FS_H
  #define _ADFS_FS_H
  
  #include <linux/types.h>
  
  /*
   * Disc Record at disc address 0xc00
   */
  struct adfs_discrecord {
      __u8  log2secsize;
      __u8  secspertrack;
      __u8  heads;
      __u8  density;
      __u8  idlen;
      __u8  log2bpmb;
      __u8  skew;
      __u8  bootoption;
      __u8  lowsector;
      __u8  nzones;
      __le16 zone_spare;
      __le32 root;
      __le32 disc_size;
      __le16 disc_id;
      __u8  disc_name[10];
      __le32 disc_type;
      __le32 disc_size_high;
      __u8  log2sharesize:4;
      __u8  unused40:4;
      __u8  big_flag:1;
      __u8  unused41:1;
      __u8  nzones_high;
      __le32 format_version;
      __le32 root_size;
      __u8  unused52[60 - 52];
  };
  
  #define ADFS_DISCRECORD		(0xc00)
  #define ADFS_DR_OFFSET		(0x1c0)
  #define ADFS_DR_SIZE		 60
  #define ADFS_DR_SIZE_BITS	(ADFS_DR_SIZE << 3)
  #define ADFS_SUPER_MAGIC	 0xadf5
  
  
  #endif
  