119 lines
3.1 KiB
C
119 lines
3.1 KiB
C
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#ifndef EXT2_PROTO_H
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#define EXT2_PROTO_H
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#define get_block(d, n, t) lmfs_get_block(d, n, t)
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#define put_block(n, t) lmfs_put_block(n, t)
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/* Function prototypes. */
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/* Structs used in prototypes must be declared as such first. */
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struct buf;
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struct filp;
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struct inode;
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struct super_block;
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/* balloc.c */
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void discard_preallocated_blocks(struct inode *rip);
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block_t alloc_block(struct inode *rip, block_t goal);
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void free_block(struct super_block *sp, bit_t bit);
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/* ialloc.c */
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struct inode *alloc_inode(struct inode *parent, mode_t bits);
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void free_inode(struct inode *rip);
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/* inode.c */
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void dup_inode(struct inode *ip);
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struct inode *find_inode(dev_t dev, ino_t numb);
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int fs_putnode(void);
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void init_inode_cache(void);
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struct inode *get_inode(dev_t dev, ino_t numb);
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void put_inode(struct inode *rip);
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void update_times(struct inode *rip);
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void rw_inode(struct inode *rip, int rw_flag);
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/* link.c */
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int fs_ftrunc(void);
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int fs_link(void);
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int fs_rdlink(void);
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int fs_rename(void);
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int fs_unlink(void);
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int truncate_inode(struct inode *rip, off_t len);
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/* misc.c */
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int fs_flush(void);
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int fs_sync(void);
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int fs_new_driver(void);
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int fs_bpeek(void);
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/* mount.c */
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int fs_mountpoint(void);
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int fs_readsuper(void);
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int fs_unmount(void);
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/* open.c */
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int fs_create(void);
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int fs_inhibread(void);
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int fs_mkdir(void);
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int fs_mknod(void);
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int fs_slink(void);
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/* path.c */
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int fs_lookup(void);
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struct inode *advance(struct inode *dirp, char string[NAME_MAX + 1], int
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chk_perm);
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int search_dir(struct inode *ldir_ptr, const char string [NAME_MAX + 1], ino_t
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*numb, int flag, int check_permissions, int ftype);
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/* protect.c */
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int fs_chmod(void);
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int fs_chown(void);
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int fs_getdents(void);
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int forbidden(struct inode *rip, mode_t access_desired);
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int read_only(struct inode *ip);
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/* read.c */
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int fs_breadwrite(void);
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int fs_readwrite(void);
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void read_ahead(void);
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block_t rd_indir(struct buf *bp, int index);
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block_t read_map(struct inode *rip, off_t pos, int opportunistic);
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struct buf *get_block_map(register struct inode *rip, u64_t position);
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/* stadir.c */
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int fs_stat(void);
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int fs_statvfs(void);
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/* super.c */
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unsigned int get_block_size(dev_t dev);
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struct super_block *get_super(dev_t dev);
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int read_super(struct super_block *sp);
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void write_super(struct super_block *sp);
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struct group_desc* get_group_desc(unsigned int bnum);
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/* time.c */
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int fs_utime(void);
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/* utility.c */
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time_t clock_time(void);
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unsigned conv2(int norm, int w);
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long conv4(int norm, long x);
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void mfs_nul_f(const char *file, int line, const char *str, unsigned int len,
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unsigned int maxlen);
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int min(unsigned int l, unsigned int r);
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int no_sys(void);
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void sanitycheck(char *file, int line);
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#define SANITYCHECK sanitycheck(__FILE__, __LINE__)
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int ansi_strcmp(register const char* ansi_s, register const char *s2,
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register size_t ansi_s_length);
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bit_t setbit(bitchunk_t *bitmap, bit_t max_bits, unsigned int word);
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bit_t setbyte(bitchunk_t *bitmap, bit_t max_bits);
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int unsetbit(bitchunk_t *bitmap, bit_t bit);
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/* write.c */
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struct buf *new_block(struct inode *rip, off_t position);
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void zero_block(struct buf *bp);
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int write_map(struct inode *, off_t, block_t, int);
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#endif /* EXT2_PROTO_H */
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