servers/mfs/proto.h

   1 #ifndef __MFS_PROTO_H__
   2 #define __MFS_PROTO_H__
   3
   4 /* Some shortcuts to functions in -lminixfs */
   5 #define get_block(d, b, t) lmfs_get_block(d, b, t)
   6 #define put_block(b, t) lmfs_put_block(b, t)
   7
   8 /* Function prototypes. */
   9
  10 /* Structs used in prototypes must be declared as such first. */
  11 struct buf;
  12 struct filp;
  13 struct inode;
  14 struct super_block;
  15
  16
  17 /* cache.c */
  18 zone_t alloc_zone(dev_t dev, zone_t z);
  19 void free_zone(dev_t dev, zone_t numb);
  20
  21 /* inode.c */
  22 struct inode *alloc_inode(dev_t dev, mode_t bits);
  23 void dup_inode(struct inode *ip);
  24 struct inode *find_inode(dev_t dev, ino_t numb);
  25 int fs_putnode(void);
  26 void init_inode_cache(void);
  27 struct inode *get_inode(dev_t dev, ino_t numb);
  28 void put_inode(struct inode *rip);
  29 void update_times(struct inode *rip);
  30 void rw_inode(struct inode *rip, int rw_flag);
  31
  32 /* link.c */
  33 int fs_ftrunc(void);
  34 int fs_link(void);
  35 int fs_rdlink(void);
  36 int fs_rename(void);
  37 int fs_unlink(void);
  38 int truncate_inode(struct inode *rip, off_t len);
  39
  40 /* misc.c */
  41 int fs_flush(void);
  42 int fs_sync(void);
  43 int fs_new_driver(void);
  44
  45 /* mount.c */
  46 int fs_mountpoint(void);
  47 int fs_readsuper(void);
  48 int fs_unmount(void);
  49
  50 /* open.c */
  51 int fs_create(void);
  52 int fs_inhibread(void);
  53 int fs_mkdir(void);
  54 int fs_mknod(void);
  55 int fs_slink(void);
  56
  57 /* path.c */
  58 int fs_lookup(void);
  59 struct inode *advance(struct inode *dirp, char string[MFS_NAME_MAX], int
  60         chk_perm);
  61 int search_dir(struct inode *ldir_ptr, char string [MFS_NAME_MAX], ino_t
  62         *numb, int flag, int check_permissions);
  63
  64
  65 /* protect.c */
  66 int fs_chmod(void);
  67 int fs_chown(void);
  68 int fs_getdents(void);
  69 int forbidden(struct inode *rip, mode_t access_desired);
  70 int read_only(struct inode *ip);
  71
  72 /* read.c */
  73 int fs_breadwrite(void);
  74 int fs_readwrite(void);
  75 void read_ahead(void);
  76 block_t read_map(struct inode *rip, off_t pos);
  77 zone_t rd_indir(struct buf *bp, int index);
  78
  79 /* stadir.c */
  80 int fs_fstatfs(void);
  81 int fs_stat(void);
  82 int fs_statvfs(void);
  83
  84 /* super.c */
  85 bit_t alloc_bit(struct super_block *sp, int map, bit_t origin);
  86 void free_bit(struct super_block *sp, int map, bit_t bit_returned);
  87 unsigned int get_block_size(dev_t dev);
  88 struct super_block *get_super(dev_t dev);
  89 int read_super(struct super_block *sp);
  90 int write_super(struct super_block *sp);
  91
  92 /* stats.c */
  93 bit_t count_free_bits(struct super_block *sp, int map);
  94
  95 /* time.c */
  96 int fs_utime(void);
  97
  98 /* utility.c */
  99 time_t clock_time(void);
 100 unsigned conv2(int norm, int w);
 101 long conv4(int norm, long x);
 102 void mfs_nul_f(char *file, int line, char *str, unsigned int len,
 103         unsigned int maxlen);
 104 int min(unsigned int l, unsigned int r);
 105 int no_sys(void);
 106 void sanitycheck(char *file, int line);
 107 #define SANITYCHECK sanitycheck(__FILE__, __LINE__)
 108
 109 /* write.c */
 110 void clear_zone(struct inode *rip, off_t pos, int flag);
 111 struct buf *new_block(struct inode *rip, off_t position);
 112 void zero_block(struct buf *bp);
 113 int write_map(struct inode *, off_t, zone_t, int);
 114
 115 #endif
 116