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jcastillo |
#ifndef _AFFS_FS_H
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#define _AFFS_FS_H
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/*
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* The affs filesystem constants/structures
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*/
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#include <linux/types.h>
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#define AFFS_SUPER_MAGIC 0xadff
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/* Get the filesystem block size given an inode. */
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#define AFFS_I2BSIZE(inode) ((inode)->i_sb->s_blocksize)
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/* Get the filesystem hash table size given an inode. */
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#define AFFS_I2HSIZE(inode) ((inode)->i_sb->u.affs_sb.s_hashsize)
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/* Get the block number bits given an inode */
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#define AFFS_I2BITS(inode) ((inode)->i_sb->s_blocksize_bits)
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/* Get the fs type given an inode */
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#define AFFS_I2FSTYPE(inode) ((inode)->i_sb->u.affs_sb.s_flags & SF_INTL)
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struct DateStamp
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{
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__u32 ds_Days;
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__u32 ds_Minute;
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__u32 ds_Tick;
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};
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/* --- Prototypes ----------------------------------------------------------------------------- */
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/* amigaffs.c */
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extern int affs_get_key_entry(int bsize, void *data, int entry_pos);
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extern int affs_find_next_hash_entry(int bsize, void *dir_data, int *hash_pos);
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extern int affs_get_file_name(int bsize, void *fh_data, char **name);
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extern unsigned int affs_checksum_block(int bsize, void *data, int *ptype, int *stype);
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extern void affs_fix_checksum(int bsize, void *data, int cspos);
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extern void secs_to_datestamp(int secs, struct DateStamp *ds);
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extern int prot_to_mode(unsigned int prot);
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extern unsigned int mode_to_prot(int mode);
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extern int affs_fix_hash_pred(struct inode *startino, int startoffset,
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int key, int newkey);
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extern int affs_fix_link_pred(struct inode *startino, int key, int newkey);
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/* bitmap. c */
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extern int affs_count_free_blocks(struct super_block *s);
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extern int affs_count_free_bits(int blocksize, const char *data);
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extern void affs_free_block(struct super_block *sb, int block);
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extern int affs_new_header(struct inode *inode);
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extern int affs_new_data(struct inode *inode);
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extern void affs_make_zones(struct super_block *sb);
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/* namei.c */
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extern int affs_hash_name(const char *name, int len, int intl, int hashsize);
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extern int affs_lookup(struct inode *dir,const char *name, int len,
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struct inode **result);
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extern int affs_unlink(struct inode *dir, const char *name, int len);
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extern int affs_create(struct inode *dir, const char *name, int len, int mode,
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struct inode **result);
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extern int affs_mkdir(struct inode *dir, const char *name, int len, int mode);
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extern int affs_rmdir(struct inode *dir, const char *name, int len);
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extern int affs_link(struct inode *oldinode, struct inode *dir,
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const char *name, int len);
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extern int affs_symlink(struct inode *dir, const char *name, int len,
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const char *symname);
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extern int affs_fixup(struct buffer_head *bh, struct inode *inode);
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extern int affs_rename(struct inode *old_dir, const char *old_name, int old_len,
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struct inode *new_dir, const char *new_name, int new_len,
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int must_be_dir);
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/* inode.c */
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extern struct buffer_head *affs_bread(kdev_t dev, int block, int size);
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extern void affs_brelse(struct buffer_head *buf);
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extern void affs_put_super(struct super_block *);
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extern int affs_parent_ino(struct inode *dir);
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extern struct super_block *affs_read_super(struct super_block *,void *, int);
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extern void affs_statfs(struct super_block *, struct statfs *, int bufsiz);
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extern void affs_read_inode(struct inode *);
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extern void affs_write_inode(struct inode *);
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extern int affs_notify_change(struct inode *inode, struct iattr *attr);
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extern void affs_put_inode(struct inode *);
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extern struct inode *affs_new_inode(const struct inode *dir);
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extern int affs_add_entry(struct inode *dir, struct inode *link, struct inode *inode,
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const char *name, int len, int type);
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/* file.c */
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extern int affs_bmap(struct inode *inode, int block);
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extern struct buffer_head *affs_getblock(struct inode *inode, int block);
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extern void affs_truncate(struct inode *);
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extern void affs_truncate_ofs(struct inode *);
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/* dir.c */
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extern void affs_dir_truncate(struct inode *);
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/* jump tables */
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extern struct inode_operations affs_file_inode_operations;
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extern struct inode_operations affs_file_inode_operations_ofs;
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extern struct inode_operations affs_dir_inode_operations;
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extern struct inode_operations affs_symlink_inode_operations;
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extern struct inode_operations affs_chrdev_inode_operations;
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extern struct inode_operations affs_blkdev_inode_operations;
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extern int init_affs_fs(void);
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#endif
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