diff options
Diffstat (limited to 'include/linux/xia_fs.h')
| -rw-r--r-- | include/linux/xia_fs.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/include/linux/xia_fs.h b/include/linux/xia_fs.h new file mode 100644 index 000000000..47f3e3f16 --- /dev/null +++ b/include/linux/xia_fs.h @@ -0,0 +1,115 @@ +#ifndef _XIA_FS_H +#define _XIA_FS_H + +/* + * include/linux/xia_fs.h + * + * Copyright (C) Q. Frank Xia, 1993. + * + * Based on Linus' minix_fs.h. + * Copyright (C) Linus Torvalds, 1991, 1992. + */ + +#define _XIAFS_SUPER_MAGIC 0x012FD16D +#define _XIAFS_ROOT_INO 1 +#define _XIAFS_BAD_INO 2 + +#define _XIAFS_NAME_LEN 248 + +#define _XIAFS_INODES_PER_BLOCK ((BLOCK_SIZE)/(sizeof(struct xiafs_inode))) + +struct xiafs_inode { /* 64 bytes */ + mode_t i_mode; + nlink_t i_nlinks; + uid_t i_uid; + gid_t i_gid; + size_t i_size; /* 8 */ + time_t i_ctime; + time_t i_atime; + time_t i_mtime; + daddr_t i_zone[8]; + daddr_t i_ind_zone; + daddr_t i_dind_zone; +}; + +/* + * linux super-block data on disk + */ +struct xiafs_super_block { + u_char s_boot_segment[512]; /* 1st sector reserved for boot */ + u_long s_zone_size; /* 0: the name says it */ + u_long s_nzones; /* 1: volume size, zone aligned */ + u_long s_ninodes; /* 2: # of inodes */ + u_long s_ndatazones; /* 3: # of data zones */ + u_long s_imap_zones; /* 4: # of imap zones */ + u_long s_zmap_zones; /* 5: # of zmap zones */ + u_long s_firstdatazone; /* 6: first data zone */ + u_long s_zone_shift; /* 7: z size = 1KB << z shift */ + u_long s_max_size; /* 8: max size of a single file */ + u_long s_reserved0; /* 9: reserved */ + u_long s_reserved1; /* 10: */ + u_long s_reserved2; /* 11: */ + u_long s_reserved3; /* 12: */ + u_long s_firstkernzone; /* 13: first kernel zone */ + u_long s_kernzones; /* 14: kernel size in zones */ + u_long s_magic; /* 15: magic number for xiafs */ +}; + +struct xiafs_direct { + ino_t d_ino; + u_short d_rec_len; + u_char d_name_len; + char d_name[_XIAFS_NAME_LEN+1]; +}; + +extern int xiafs_lookup(struct inode * dir,const char * name, int len, + struct inode ** result); +extern int xiafs_create(struct inode * dir,const char * name, int len, int mode, + struct inode ** result); +extern int xiafs_mkdir(struct inode * dir, const char * name, int len, int mode); +extern int xiafs_rmdir(struct inode * dir, const char * name, int len); +extern int xiafs_unlink(struct inode * dir, const char * name, int len); +extern int xiafs_symlink(struct inode * inode, const char * name, int len, + const char * symname); +extern int xiafs_link(struct inode * oldinode, struct inode * dir, + const char * name, int len); +extern int xiafs_mknod(struct inode * dir, const char * name, int len, + int mode, int rdev); +extern int xiafs_rename(struct inode * old_dir, const char * old_name, + int old_len, struct inode * new_dir, + const char * new_name, int new_len); +extern struct inode * xiafs_new_inode(struct inode * dir); +extern void xiafs_free_inode(struct inode * inode); +extern unsigned long xiafs_count_free_inodes(struct super_block *sb); +extern int xiafs_new_zone(struct super_block * sb, u_long prev_addr); +extern void xiafs_free_zone(struct super_block * sb, int block); +extern unsigned long xiafs_count_free_zones(struct super_block *sb); + +extern int xiafs_bmap(struct inode *,int); + +extern struct buffer_head * xiafs_getblk(struct inode *, int, int); +extern struct buffer_head * xiafs_bread(struct inode *, int, int); + +extern void xiafs_truncate(struct inode *); +extern void xiafs_put_super(struct super_block *); +extern struct super_block *xiafs_read_super(struct super_block *,void *,int); +extern void xiafs_read_inode(struct inode *); +extern void xiafs_write_inode(struct inode *); +extern void xiafs_put_inode(struct inode *); +extern void xiafs_statfs(struct super_block *, struct statfs *); +extern int xiafs_sync_inode(struct inode *); +extern int xiafs_sync_file(struct inode *, struct file *); + +extern struct inode_operations xiafs_file_inode_operations; +extern struct inode_operations xiafs_dir_inode_operations; +extern struct inode_operations xiafs_symlink_inode_operations; + +#endif /* _XIA_FS_H */ + + + + + + + + |