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- #ifndef _LINUX_MINIX_FS_H
- #define _LINUX_MINIX_FS_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. It's not actually implemented yet, but I'll look into
- * it.
- */
-
- #ifndef BLOCK_SIZE
- #define BLOCK_SIZE 1024l
- #endif
-
- #define MINIX_NAME_LEN 14
- #define MINIX_ROOT_INO 1
-
- #define MINIX_I_MAP_SLOTS 8
- #define MINIX_Z_MAP_SLOTS 8
- #define MINIX_SUPER_MAGIC 0x137F
- #define NEW_MINIX_SUPER_MAGIC 0x2468
-
- #define MINIX_INODES_PER_BLOCK ((BLOCK_SIZE)/(sizeof (struct minix_inode)))
- #define NEW_MINIX_INODES_PER_BLOCK ((BLOCK_SIZE)/(sizeof(struct new_minix_inode)))
- #define MINIX_DIR_ENTRIES_PER_BLOCK ((BLOCK_SIZE)/(sizeof (struct minix_dir_entry)))
-
- struct minix_inode {
- unsigned short i_mode;
- unsigned short i_uid;
- unsigned long i_size;
- unsigned long i_time;
- unsigned char i_gid;
- unsigned char i_nlinks;
- unsigned short 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 new_minix_inode {
- unsigned short i_mode;
- unsigned short i_nlinks;
- unsigned short i_uid;
- unsigned short i_gid;
- unsigned long i_size;
- unsigned long i_atime;
- unsigned long i_mtime;
- unsigned long i_ctime;
- unsigned long i_zone[10];
- };
-
- /*
- * minix super-block data on disk
- */
- struct minix_super_block {
- unsigned short s_ninodes;
- unsigned short s_nzones;
- unsigned short s_imap_blocks;
- unsigned short s_zmap_blocks;
- unsigned short s_firstdatazone;
- unsigned short s_log_zone_size;
- unsigned long s_max_size;
- unsigned short s_magic;
- unsigned short s_pad; /* Padding */
- unsigned long s_zones; /* Number of zones for V2 */
- };
-
- #endif
-