servers/ext2/proto.h

   1 #ifndef EXT2_PROTO_H
   2 #define EXT2_PROTO_H
   3
   4 #define get_block(d, n, t) lmfs_get_block(d, n, t)
   5 #define put_block(n, t) lmfs_put_block(n, t)
   6
   7 /* Function prototypes. */
   8
   9 /* Structs used in prototypes must be declared as such first. */
  10 struct buf;
  11 struct filp;
  12 struct inode;
  13 struct super_block;
  14
  15
  16 /* balloc.c */
  17 void discard_preallocated_blocks(struct inode *rip);
  18 block_t alloc_block(struct inode *rip, block_t goal);
  19 void free_block(struct super_block *sp, bit_t bit);
  20
  21 /* ialloc.c */
  22 struct inode *alloc_inode(struct inode *parent, mode_t bits);
  23 void free_inode(struct inode *rip);
  24
  25 /* inode.c */
  26 void dup_inode(struct inode *ip);
  27 struct inode *find_inode(dev_t dev, ino_t numb);
  28 int fs_putnode(void);
  29 void init_inode_cache(void);
  30 struct inode *get_inode(dev_t dev, ino_t numb);
  31 void put_inode(struct inode *rip);
  32 void update_times(struct inode *rip);
  33 void rw_inode(struct inode *rip, int rw_flag);
  34
  35 /* link.c */
  36 int fs_ftrunc(void);
  37 int fs_link(void);
  38 int fs_rdlink(void);
  39 int fs_rename(void);
  40 int fs_unlink(void);
  41 int truncate_inode(struct inode *rip, off_t len);
  42
  43 /* misc.c */
  44 int fs_flush(void);
  45 int fs_sync(void);
  46 int fs_new_driver(void);
  47
  48 /* mount.c */
  49 int fs_mountpoint(void);
  50 int fs_readsuper(void);
  51 int fs_unmount(void);
  52
  53 /* open.c */
  54 int fs_create(void);
  55 int fs_inhibread(void);
  56 int fs_mkdir(void);
  57 int fs_mknod(void);
  58 int fs_slink(void);
  59
  60 /* path.c */
  61 int fs_lookup(void);
  62 struct inode *advance(struct inode *dirp, char string[NAME_MAX + 1], int
  63         chk_perm);
  64 int search_dir(struct inode *ldir_ptr, char string [NAME_MAX + 1], ino_t
  65         *numb, int flag, int check_permissions, int ftype);
  66
  67 /* protect.c */
  68 int fs_chmod(void);
  69 int fs_chown(void);
  70 int fs_getdents(void);
  71 int forbidden(struct inode *rip, mode_t access_desired);
  72 int read_only(struct inode *ip);
  73
  74 /* read.c */
  75 int fs_breadwrite(void);
  76 int fs_readwrite(void);
  77 void read_ahead(void);
  78 block_t read_map(struct inode *rip, off_t pos);
  79 block_t rd_indir(struct buf *bp, int index);
  80
  81 /* stadir.c */
  82 int fs_fstatfs(void);
  83 int fs_stat(void);
  84 int fs_statvfs(void);
  85
  86 /* super.c */
  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 void write_super(struct super_block *sp);
  91 struct group_desc* get_group_desc(unsigned int bnum);
  92
  93 /* time.c */
  94 int fs_utime(void);
  95
  96 /* utility.c */
  97 time_t clock_time(void);
  98 unsigned conv2(int norm, int w);
  99 long conv4(int norm, long x);
 100 void mfs_nul_f(char *file, int line, char *str, unsigned int len,
 101         unsigned int maxlen);
 102 int min(unsigned int l, unsigned int r);
 103 int no_sys(void);
 104 void sanitycheck(char *file, int line);
 105 #define SANITYCHECK sanitycheck(__FILE__, __LINE__)
 106 int ansi_strcmp(register const char* ansi_s, register const char *s2,
 107         register size_t ansi_s_length);
 108 bit_t setbit(bitchunk_t *bitmap, bit_t max_bits, unsigned int word);
 109 bit_t setbyte(bitchunk_t *bitmap, bit_t max_bits);
 110 int unsetbit(bitchunk_t *bitmap, bit_t bit);
 111
 112 /* write.c */
 113 struct buf *new_block(struct inode *rip, off_t position);
 114 void zero_block(struct buf *bp);
 115 int write_map(struct inode *, off_t, block_t, int);
 116
 117 #endif /* EXT2_PROTO_H */