#ifndef _UFS_UFS_H#define _UFS_UFS_H 1#define UFS_MAX_GROUP_LOADED 8#define UFS_CGNO_EMPTY ((unsigned)-1)struct ufs_sb_private_info;struct ufs_cg_private_info;struct ufs_csum;struct ufs_sb_info {	struct ufs_sb_private_info * s_uspi;	struct ufs_csum	* s_csp;	unsigned s_bytesex;	unsigned s_flags;	struct buffer_head ** s_ucg;	struct ufs_cg_private_info * s_ucpi[UFS_MAX_GROUP_LOADED];	unsigned s_cgno[UFS_MAX_GROUP_LOADED];	unsigned short s_cg_loaded;	unsigned s_mount_opt;};struct ufs_inode_info {	union {		__fs32	i_data[15];		__u8	i_symlink[4*15];		__fs64	u2_i_data[15];	} i_u1;	__u32	i_flags;	__u32	i_shadow;	__u32	i_unused1;	__u32	i_unused2;	__u32	i_oeftflag;	__u16	i_osync;	__u64	i_lastfrag;	__u32   i_dir_start_lookup;	struct inode vfs_inode;};/* mount options */#define UFS_MOUNT_ONERROR		0x0000000F#define UFS_MOUNT_ONERROR_PANIC		0x00000001#define UFS_MOUNT_ONERROR_LOCK		0x00000002#define UFS_MOUNT_ONERROR_UMOUNT	0x00000004#define UFS_MOUNT_ONERROR_REPAIR	0x00000008#define UFS_MOUNT_UFSTYPE		0x0000FFF0#define UFS_MOUNT_UFSTYPE_OLD		0x00000010#define UFS_MOUNT_UFSTYPE_44BSD		0x00000020#define UFS_MOUNT_UFSTYPE_SUN		0x00000040#define UFS_MOUNT_UFSTYPE_NEXTSTEP	0x00000080#define UFS_MOUNT_UFSTYPE_NEXTSTEP_CD	0x00000100#define UFS_MOUNT_UFSTYPE_OPENSTEP	0x00000200#define UFS_MOUNT_UFSTYPE_SUNx86	0x00000400#define UFS_MOUNT_UFSTYPE_HP	        0x00000800#define UFS_MOUNT_UFSTYPE_UFS2		0x00001000#define UFS_MOUNT_UFSTYPE_SUNOS		0x00002000#define ufs_clear_opt(o,opt)	o &= ~UFS_MOUNT_##opt#define ufs_set_opt(o,opt)	o |= UFS_MOUNT_##opt#define ufs_test_opt(o,opt)	((o) & UFS_MOUNT_##opt)/* * Debug code */#ifdef CONFIG_UFS_DEBUG#	define UFSD(f, a...)	{					\		printk ("UFSD (%s, %d): %s:",				\			__FILE__, __LINE__, __func__);		\		printk (f, ## a);					\	}#else#	define UFSD(f, a...)	/**/#endif/* balloc.c */extern void ufs_free_fragments (struct inode *, u64, unsigned);extern void ufs_free_blocks (struct inode *, u64, unsigned);extern u64 ufs_new_fragments(struct inode *, void *, u64, u64,			     unsigned, int *, struct page *);/* cylinder.c */extern struct ufs_cg_private_info * ufs_load_cylinder (struct super_block *, unsigned);extern void ufs_put_cylinder (struct super_block *, unsigned);/* dir.c */extern const struct inode_operations ufs_dir_inode_operations;extern int ufs_add_link (struct dentry *, struct inode *);extern ino_t ufs_inode_by_name(struct inode *, struct dentry *);extern int ufs_make_empty(struct inode *, struct inode *);extern struct ufs_dir_entry *ufs_find_entry(struct inode *, struct dentry *, struct page **);extern int ufs_delete_entry(struct inode *, struct ufs_dir_entry *, struct page *);extern int ufs_empty_dir (struct inode *);extern struct ufs_dir_entry *ufs_dotdot(struct inode *, struct page **);extern void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de,			 struct page *page, struct inode *inode);/* file.c */extern const struct inode_operations ufs_file_inode_operations;extern const struct file_operations ufs_file_operations;extern const struct address_space_operations ufs_aops;/* ialloc.c */extern void ufs_free_inode (struct inode *inode);extern struct inode * ufs_new_inode (struct inode *, int);/* inode.c */extern struct inode *ufs_iget(struct super_block *, unsigned long);extern int ufs_write_inode (struct inode *, int);extern int ufs_sync_inode (struct inode *);extern void ufs_delete_inode (struct inode *);extern struct buffer_head * ufs_bread (struct inode *, unsigned, int, int *);extern int ufs_getfrag_block (struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create);/* namei.c */extern const struct file_operations ufs_dir_operations;/* super.c */extern void ufs_warning (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4)));extern void ufs_error (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4)));extern void ufs_panic (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4)));/* symlink.c */extern const struct inode_operations ufs_fast_symlink_inode_operations;/* truncate.c */extern int ufs_truncate (struct inode *, loff_t);static inline struct ufs_sb_info *UFS_SB(struct super_block *sb){	return sb->s_fs_info;}static inline struct ufs_inode_info *UFS_I(struct inode *inode){	return container_of(inode, struct ufs_inode_info, vfs_inode);}/* * Give cylinder group number for a file system block. * Give cylinder group block number for a file system block. *//* #define	ufs_dtog(d)	((d) / uspi->s_fpg) */static inline u64 ufs_dtog(struct ufs_sb_private_info * uspi, u64 b){	do_div(b, uspi->s_fpg);	return b;}/* #define	ufs_dtogd(d)	((d) % uspi->s_fpg) */static inline u32 ufs_dtogd(struct ufs_sb_private_info * uspi, u64 b){	return do_div(b, uspi->s_fpg);}#endif /* _UFS_UFS_H */