[unix-history] / sys / isofs / isofs_node.h

/*
 *	$Id: isofs_node.h,v 1.5 1993/07/19 13:40:05 cgd Exp $
 */


typedef	struct	{
	unsigned	iso_cln;	/* Child link */
	unsigned	iso_pln;	/* Parents link */
	struct timeval	iso_atime;	/* time of last access */
	struct timeval	iso_mtime;	/* time of last modification */
	struct timeval	iso_ctime;	/* time file changed */
	u_short		iso_mode;	/* files access mode and type */
	uid_t		iso_uid;	/* owner user id */
	gid_t		iso_gid;	/* owner group id */
} ISO_RRIP_INODE;

struct iso_node {
	struct	iso_node *i_chain[2]; /* hash chain, MUST be first */
	struct	vnode *i_vnode;	/* vnode associated with this inode */
	struct	vnode *i_devvp;	/* vnode for block I/O */
	u_long	i_flag;		/* see below */
	dev_t	i_dev;		/* device where inode resides */
	ino_t	i_number;	/* the identity of the inode */
	struct	iso_mnt *i_mnt;	/* filesystem associated with this inode */
	struct	lockf *i_lockf;	/* head of byte-level lock list */
	long	i_diroff;	/* offset in dir, where we found last entry */
	off_t	i_endoff;	/* end of useful stuff in directory */
	long	i_spare0;
	long	i_spare1;


	int iso_reclen;
	int iso_extlen;
	int iso_extent;
	int i_size;
	int iso_flags;
	int iso_unit_size;
	int iso_interleave_gap;
	int iso_volume_seq;
	int iso_namelen;	/* ISO9660/RRIP name len */
	int iso_parent;		/* byte offset in beginning of dir record */
	int iso_parent_ext;	/* block number of dir record */
	ISO_RRIP_INODE  inode;
};

#define	i_forw		i_chain[0]
#define	i_back		i_chain[1]

/* flags */
#define	ILOCKED		0x0001		/* inode is locked */
#define	IWANT		0x0002		/* some process waiting on lock */
#define	IACC		0x0020		/* inode access time to be updated */

#define VTOI(vp) ((struct iso_node *)(vp)->v_data)
#define ITOV(ip) ((ip)->i_vnode)

#define ISO_ILOCK(ip)	iso_ilock(ip)
#define ISO_IUNLOCK(ip)	iso_iunlock(ip)

/*
 * Prototypes for ISOFS vnode operations
 */
int isofs_lookup __P((struct vnode *vp, struct nameidata *ndp, struct proc *p));
int isofs_open __P((struct vnode *vp, int mode, struct ucred *cred,
	struct proc *p));
int isofs_close __P((struct vnode *vp, int fflag, struct ucred *cred,
	struct proc *p));
int isofs_access __P((struct vnode *vp, int mode, struct ucred *cred,
	struct proc *p));
int isofs_getattr __P((struct vnode *vp, struct vattr *vap, struct ucred *cred,
	struct proc *p));
int isofs_read __P((struct vnode *vp, struct uio *uio, int ioflag,
	struct ucred *cred));
int isofs_ioctl __P((struct vnode *vp, int command, caddr_t data, int fflag,
	struct ucred *cred, struct proc *p));
int isofs_select __P((struct vnode *vp, int which, int fflags, struct ucred *cred,
	struct proc *p));
int isofs_mmap __P((struct vnode *vp, int fflags, struct ucred *cred,
	struct proc *p));
int isofs_seek __P((struct vnode *vp, off_t oldoff, off_t newoff,
	struct ucred *cred));
int isofs_readdir __P((struct vnode *vp, struct uio *uio, struct ucred *cred,
	int *eofflagp));
int isofs_abortop __P((struct nameidata *ndp));
int isofs_inactive __P((struct vnode *vp, struct proc *p));
int isofs_reclaim __P((struct vnode *vp));
int isofs_lock __P((struct vnode *vp));
int isofs_unlock __P((struct vnode *vp));
int isofs_strategy __P((struct buf *bp));
int isofs_print __P((struct vnode *vp));
int isofs_islocked __P((struct vnode *vp));
Commit	Line	Data
15637ed4	1	/*
584fddaa	2	* $Id: isofs_node.h,v 1.5 1993/07/19 13:40:05 cgd Exp $
15637ed4	3	*/
584fddaa JH	4
	5
	6	typedef struct {
	7	unsigned iso_cln; /* Child link */
	8	unsigned iso_pln; /* Parents link */
	9	struct timeval iso_atime; /* time of last access */
	10	struct timeval iso_mtime; /* time of last modification */
	11	struct timeval iso_ctime; /* time file changed */
	12	u_short iso_mode; /* files access mode and type */
	13	uid_t iso_uid; /* owner user id */
	14	gid_t iso_gid; /* owner group id */
	15	} ISO_RRIP_INODE;
	16
15637ed4 RG	17	struct iso_node {
	18	struct iso_node i_chain[2]; / hash chain, MUST be first */
	19	struct vnode i_vnode; / vnode associated with this inode */
	20	struct vnode i_devvp; / vnode for block I/O */
	21	u_long i_flag; /* see below */
	22	dev_t i_dev; /* device where inode resides */
	23	ino_t i_number; /* the identity of the inode */
	24	struct iso_mnt i_mnt; / filesystem associated with this inode */
	25	struct lockf i_lockf; / head of byte-level lock list */
	26	long i_diroff; /* offset in dir, where we found last entry */
	27	off_t i_endoff; /* end of useful stuff in directory */
	28	long i_spare0;
	29	long i_spare1;
	30
	31
	32	int iso_reclen;
	33	int iso_extlen;
	34	int iso_extent;
	35	int i_size;
15637ed4 RG	36	int iso_flags;
	37	int iso_unit_size;
	38	int iso_interleave_gap;
	39	int iso_volume_seq;
584fddaa JH	40	int iso_namelen; /* ISO9660/RRIP name len */
	41	int iso_parent; /* byte offset in beginning of dir record */
	42	int iso_parent_ext; /* block number of dir record */
	43	ISO_RRIP_INODE inode;
15637ed4 RG	44	};
	45
	46	#define i_forw i_chain[0]
	47	#define i_back i_chain[1]
	48
	49	/* flags */
	50	#define ILOCKED 0x0001 /* inode is locked */
	51	#define IWANT 0x0002 /* some process waiting on lock */
	52	#define IACC 0x0020 /* inode access time to be updated */
	53
	54	#define VTOI(vp) ((struct iso_node *)(vp)->v_data)
	55	#define ITOV(ip) ((ip)->i_vnode)
	56
	57	#define ISO_ILOCK(ip) iso_ilock(ip)
	58	#define ISO_IUNLOCK(ip) iso_iunlock(ip)
	59
15637ed4 RG	60	/*
	61	* Prototypes for ISOFS vnode operations
	62	*/
	63	int isofs_lookup __P((struct vnode vp, struct nameidata ndp, struct proc *p));
	64	int isofs_open __P((struct vnode vp, int mode, struct ucred cred,
	65	struct proc *p));
	66	int isofs_close __P((struct vnode vp, int fflag, struct ucred cred,
	67	struct proc *p));
	68	int isofs_access __P((struct vnode vp, int mode, struct ucred cred,
	69	struct proc *p));
	70	int isofs_getattr __P((struct vnode vp, struct vattr vap, struct ucred *cred,
	71	struct proc *p));
	72	int isofs_read __P((struct vnode vp, struct uio uio, int ioflag,
	73	struct ucred *cred));
	74	int isofs_ioctl __P((struct vnode *vp, int command, caddr_t data, int fflag,
	75	struct ucred cred, struct proc p));
	76	int isofs_select __P((struct vnode vp, int which, int fflags, struct ucred cred,
	77	struct proc *p));
	78	int isofs_mmap __P((struct vnode vp, int fflags, struct ucred cred,
	79	struct proc *p));
	80	int isofs_seek __P((struct vnode *vp, off_t oldoff, off_t newoff,
	81	struct ucred *cred));
	82	int isofs_readdir __P((struct vnode vp, struct uio uio, struct ucred *cred,
	83	int *eofflagp));
	84	int isofs_abortop __P((struct nameidata *ndp));
	85	int isofs_inactive __P((struct vnode vp, struct proc p));
	86	int isofs_reclaim __P((struct vnode *vp));
	87	int isofs_lock __P((struct vnode *vp));
	88	int isofs_unlock __P((struct vnode *vp));
	89	int isofs_strategy __P((struct buf *bp));
	90	int isofs_print __P((struct vnode *vp));
	91	int isofs_islocked __P((struct vnode *vp));
	92