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#ifndef _LINUX_MINIX_FS_H

#define _LINUX_MINIX_FS_H

#include <linux/magic.h>

/*

 * The minix filesystem constants/structures

 */

/*

 * Thanks to Kees J Bot for sending me the definitions of the new

 * minix filesystem (aka V2) with bigger inodes and 32-bit block

 * pointers.

 */

#define MINIX_ROOT_INO 1

/* Not the same as the bogus LINK_MAX in <linux/limits.h>. Oh well. */

#define MINIX_LINK_MAX  250

#define MINIX2_LINK_MAX 65530

#define MINIX_I_MAP_SLOTS       8

#define MINIX_Z_MAP_SLOTS       64

#define MINIX_VALID_FS          0x0001          /* Clean fs. */

#define MINIX_ERROR_FS          0x0002          /* fs has errors. */

#define MINIX_INODES_PER_BLOCK ((BLOCK_SIZE)/(sizeof (struct minix_inode)))

/*

 * This is the original minix inode layout on disk.

 * Note the 8-bit gid and atime and ctime.

 */

struct minix_inode {

        __u16 i_mode;

        __u16 i_uid;

        __u32 i_size;

        __u32 i_time;

        __u8  i_gid;

        __u8  i_nlinks;

        __u16 i_zone[9];

};

/*

 * The new minix inode has all the time entries, as well as

 * long block numbers and a third indirect block (7+1+1+1

 * instead of 7+1+1). Also, some previously 8-bit values are

 * now 16-bit. The inode is now 64 bytes instead of 32.

 */

struct minix2_inode {

        __u16 i_mode;

        __u16 i_nlinks;

        __u16 i_uid;

        __u16 i_gid;

        __u32 i_size;

        __u32 i_atime;

        __u32 i_mtime;

        __u32 i_ctime;

        __u32 i_zone[10];

};

/*

 * minix super-block data on disk

 */

struct minix_super_block {

        __u16 s_ninodes;

        __u16 s_nzones;

        __u16 s_imap_blocks;

        __u16 s_zmap_blocks;

        __u16 s_firstdatazone;

        __u16 s_log_zone_size;

        __u32 s_max_size;

        __u16 s_magic;

        __u16 s_state;

        __u32 s_zones;

};

/*

 * V3 minix super-block data on disk

 */

struct minix3_super_block {

        __u32 s_ninodes;

        __u16 s_pad0;

        __u16 s_imap_blocks;

        __u16 s_zmap_blocks;

        __u16 s_firstdatazone;

        __u16 s_log_zone_size;

        __u16 s_pad1;

        __u32 s_max_size;

        __u32 s_zones;

        __u16 s_magic;

        __u16 s_pad2;

        __u16 s_blocksize;

        __u8  s_disk_version;

};

struct minix_dir_entry {

        __u16 inode;

        char name[0];

};

struct minix3_dir_entry {

        __u32 inode;

        char name[0];

};

#endif