The C and C++ Include Header Files

/usr/include/linux/minix_fs.h


$ cat -n /usr/include/linux/minix_fs.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	#ifndef _LINUX_MINIX_FS_H
     3	#define _LINUX_MINIX_FS_H
     4	
     5	#include <linux/types.h>
     6	#include <linux/magic.h>
     7	
     8	/*
     9	 * The minix filesystem constants/structures
    10	 */
    11	
    12	/*
    13	 * Thanks to Kees J Bot for sending me the definitions of the new
    14	 * minix filesystem (aka V2) with bigger inodes and 32-bit block
    15	 * pointers.
    16	 */
    17	
    18	#define MINIX_ROOT_INO 1
    19	
    20	/* Not the same as the bogus LINK_MAX in <linux/limits.h>. Oh well. */
    21	#define MINIX_LINK_MAX	250
    22	#define MINIX2_LINK_MAX	65530
    23	
    24	#define MINIX_I_MAP_SLOTS	8
    25	#define MINIX_Z_MAP_SLOTS	64
    26	#define MINIX_VALID_FS		0x0001		/* Clean fs. */
    27	#define MINIX_ERROR_FS		0x0002		/* fs has errors. */
    28	
    29	#define MINIX_INODES_PER_BLOCK ((BLOCK_SIZE)/(sizeof (struct minix_inode)))
    30	
    31	/*
    32	 * This is the original minix inode layout on disk.
    33	 * Note the 8-bit gid and atime and ctime.
    34	 */
    35	struct minix_inode {
    36		__u16 i_mode;
    37		__u16 i_uid;
    38		__u32 i_size;
    39		__u32 i_time;
    40		__u8  i_gid;
    41		__u8  i_nlinks;
    42		__u16 i_zone[9];
    43	};
    44	
    45	/*
    46	 * The new minix inode has all the time entries, as well as
    47	 * long block numbers and a third indirect block (7+1+1+1
    48	 * instead of 7+1+1). Also, some previously 8-bit values are
    49	 * now 16-bit. The inode is now 64 bytes instead of 32.
    50	 */
    51	struct minix2_inode {
    52		__u16 i_mode;
    53		__u16 i_nlinks;
    54		__u16 i_uid;
    55		__u16 i_gid;
    56		__u32 i_size;
    57		__u32 i_atime;
    58		__u32 i_mtime;
    59		__u32 i_ctime;
    60		__u32 i_zone[10];
    61	};
    62	
    63	/*
    64	 * minix super-block data on disk
    65	 */
    66	struct minix_super_block {
    67		__u16 s_ninodes;
    68		__u16 s_nzones;
    69		__u16 s_imap_blocks;
    70		__u16 s_zmap_blocks;
    71		__u16 s_firstdatazone;
    72		__u16 s_log_zone_size;
    73		__u32 s_max_size;
    74		__u16 s_magic;
    75		__u16 s_state;
    76		__u32 s_zones;
    77	};
    78	
    79	/*
    80	 * V3 minix super-block data on disk
    81	 */
    82	struct minix3_super_block {
    83		__u32 s_ninodes;
    84		__u16 s_pad0;
    85		__u16 s_imap_blocks;
    86		__u16 s_zmap_blocks;
    87		__u16 s_firstdatazone;
    88		__u16 s_log_zone_size;
    89		__u16 s_pad1;
    90		__u32 s_max_size;
    91		__u32 s_zones;
    92		__u16 s_magic;
    93		__u16 s_pad2;
    94		__u16 s_blocksize;
    95		__u8  s_disk_version;
    96	};
    97	
    98	struct minix_dir_entry {
    99		__u16 inode;
   100		char name[];
   101	};
   102	
   103	struct minix3_dir_entry {
   104		__u32 inode;
   105		char name[];
   106	};
   107	#endif