include/linux/affs_fs.h

   1 #ifndef _AFFS_FS_H
   2 #define _AFFS_FS_H
   3 /*
   4  * The affs filesystem constants/structures
   5  */
   6
   7 #include <linux/types.h>
   8
   9 #define AFFS_SUPER_MAGIC 0xadff
  10
  11 /* Get the filesystem block size given an inode. */
  12 #define AFFS_I2BSIZE(inode) ((inode)->i_sb->s_blocksize)
  13
  14 /* Get the filesystem hash table size given an inode. */
  15 #define AFFS_I2HSIZE(inode) ((inode)->i_sb->u.affs_sb.s_hashsize)
  16
  17 /* Get the block number bits given an inode */
  18 #define AFFS_I2BITS(inode) ((inode)->i_sb->s_blocksize_bits)
  19
  20 /* Get the fs type given an inode */
  21 #define AFFS_I2FSTYPE(inode) ((inode)->i_sb->u.affs_sb.s_flags & SF_INTL)
  22
  23 struct DateStamp
  24 {
  25   u32 ds_Days;
  26   u32 ds_Minute;
  27   u32 ds_Tick;
  28 };
  29
  30 /* --- Prototypes ----------------------------------------------------------------------------- */
  31
  32 /* amigaffs.c */
  33
  34 extern int      affs_get_key_entry(int bsize, void *data, int entry_pos);
  35 extern int      affs_get_file_name(int bsize, void *fh_data, unsigned char **name);
  36 extern u32      affs_checksum_block(int bsize, void *data, s32 *ptype, s32 *stype);
  37 extern void     affs_fix_checksum(int bsize, void *data, int cspos);
  38 extern void     secs_to_datestamp(time_t secs, struct DateStamp *ds);
  39 extern int      prot_to_mode(unsigned int prot);
  40 extern u32      mode_to_prot(int mode);
  41 extern int      affs_insert_hash(unsigned long dir_ino, struct buffer_head *header,
  42                         struct inode *inode);
  43 extern int      affs_remove_hash(struct buffer_head *bh, struct inode *inode);
  44 extern int      affs_remove_link(struct buffer_head *bh, struct inode *inode);
  45 extern int      affs_remove_header(struct buffer_head *bh, struct inode *inode);
  46 extern void     affs_error(struct super_block *sb, const char *function, const char *fmt, ...);
  47 extern void     affs_warning(struct super_block *sb, const char *function, const char *fmt, ...);
  48 extern int      affs_check_name(const unsigned char *name, int len);
  49 extern int      affs_copy_name(unsigned char *bstr, const unsigned char *name);
  50
  51 /* bitmap. c */
  52
  53 extern int      affs_count_free_blocks(struct super_block *s);
  54 extern int      affs_count_free_bits(int blocksize, const char *data);
  55 extern void     affs_free_block(struct super_block *sb, s32 block);
  56 extern s32      affs_new_header(struct inode *inode);
  57 extern s32      affs_new_data(struct inode *inode);
  58 extern void     affs_make_zones(struct super_block *sb);
  59
  60 /* namei.c */
  61
  62 extern int      affs_hash_name(const unsigned char *name, int len, int intl, int hashsize);
  63 extern struct dentry *affs_lookup(struct inode *dir, struct dentry *dentry);
  64 extern int      affs_unlink(struct inode *dir, struct dentry *dentry);
  65 extern int      affs_create(struct inode *dir, struct dentry *dentry, int mode);
  66 extern int      affs_mkdir(struct inode *dir, struct dentry *dentry, int mode);
  67 extern int      affs_rmdir(struct inode *dir, struct dentry *dentry);
  68 extern int      affs_link(struct dentry *olddentry, struct inode *dir,
  69                           struct dentry *dentry);
  70 extern int      affs_symlink(struct inode *dir, struct dentry *dentry,
  71                              const char *symname);
  72 extern int      affs_rename(struct inode *old_dir, struct dentry *old_dentry,
  73                             struct inode *new_dir, struct dentry *new_dentry);
  74
  75 /* inode.c */
  76
  77 extern struct buffer_head       *affs_bread(kdev_t dev, int block, int size);
  78 extern void                      affs_brelse(struct buffer_head *buf);
  79 extern unsigned long             affs_parent_ino(struct inode *dir);
  80 extern struct inode             *affs_new_inode(const struct inode *dir);
  81 extern int                       affs_notify_change(struct dentry *dentry, struct iattr *attr);
  82 extern int                       affs_add_entry(struct inode *dir, struct inode *link,
  83                                           struct inode *inode, struct dentry *dentry, s32 type);
  84 extern void                      affs_put_inode(struct inode *inode);
  85 extern void                      affs_delete_inode(struct inode *inode);
  86 extern void                      affs_read_inode(struct inode *inode);
  87 extern void                      affs_write_inode(struct inode *inode, int);
  88
  89 /* super.c */
  90
  91 extern int                       affs_fs(void);
  92
  93 /* file.c */
  94
  95 void            affs_free_prealloc(struct inode *inode);
  96 extern void     affs_truncate(struct inode *);
  97
  98 /* dir.c */
  99
 100 extern void   affs_dir_truncate(struct inode *);
 101
 102 /* jump tables */
 103
 104 extern struct inode_operations   affs_file_inode_operations;
 105 extern struct inode_operations   affs_dir_inode_operations;
 106 extern struct inode_operations   affs_symlink_inode_operations;
 107 extern struct file_operations    affs_file_operations;
 108 extern struct file_operations    affs_file_operations_ofs;
 109 extern struct file_operations    affs_dir_operations;
 110 extern struct address_space_operations   affs_symlink_aops;
 111 extern struct address_space_operations   affs_aops;
 112
 113 extern struct dentry_operations  affs_dentry_operations;
 114 extern struct dentry_operations  affs_dentry_operations_intl;
 115
 116 extern int affs_bmap(struct inode *, int);
 117 #endif