[unix-history] / usr / src / sys.386bsd / isofs / isofs_node.h

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;
	unsigned char iso_time[7];
	int iso_flags;
	int iso_unit_size;
	int iso_interleave_gap;
	int iso_volume_seq;
	int iso_namelen;
};

#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)

#define VT_ISOFS (VT_MFS+1)

/*
 * 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
7977dadd WJ	1	struct iso_node {
	2	struct iso_node i_chain[2]; / hash chain, MUST be first */
	3	struct vnode i_vnode; / vnode associated with this inode */
	4	struct vnode i_devvp; / vnode for block I/O */
	5	u_long i_flag; /* see below */
	6	dev_t i_dev; /* device where inode resides */
	7	ino_t i_number; /* the identity of the inode */
	8	struct iso_mnt i_mnt; / filesystem associated with this inode */
	9	struct lockf i_lockf; / head of byte-level lock list */
	10	long i_diroff; /* offset in dir, where we found last entry */
	11	off_t i_endoff; /* end of useful stuff in directory */
	12	long i_spare0;
	13	long i_spare1;
	14
	15
	16	int iso_reclen;
	17	int iso_extlen;
	18	int iso_extent;
	19	int i_size;
	20	unsigned char iso_time[7];
	21	int iso_flags;
	22	int iso_unit_size;
	23	int iso_interleave_gap;
	24	int iso_volume_seq;
	25	int iso_namelen;
	26	};
	27
	28	#define i_forw i_chain[0]
	29	#define i_back i_chain[1]
	30
	31	/* flags */
	32	#define ILOCKED 0x0001 /* inode is locked */
	33	#define IWANT 0x0002 /* some process waiting on lock */
	34	#define IACC 0x0020 /* inode access time to be updated */
	35
	36	#define VTOI(vp) ((struct iso_node *)(vp)->v_data)
	37	#define ITOV(ip) ((ip)->i_vnode)
	38
	39	#define ISO_ILOCK(ip) iso_ilock(ip)
	40	#define ISO_IUNLOCK(ip) iso_iunlock(ip)
	41
	42	#define VT_ISOFS (VT_MFS+1)
	43
	44	/*
	45	* Prototypes for ISOFS vnode operations
	46	*/
	47	int isofs_lookup __P((struct vnode vp, struct nameidata ndp, struct proc *p));
	48	int isofs_open __P((struct vnode vp, int mode, struct ucred cred,
	49	struct proc *p));
	50	int isofs_close __P((struct vnode vp, int fflag, struct ucred cred,
	51	struct proc *p));
	52	int isofs_access __P((struct vnode vp, int mode, struct ucred cred,
	53	struct proc *p));
	54	int isofs_getattr __P((struct vnode vp, struct vattr vap, struct ucred *cred,
	55	struct proc *p));
	56	int isofs_read __P((struct vnode vp, struct uio uio, int ioflag,
	57	struct ucred *cred));
	58	int isofs_ioctl __P((struct vnode *vp, int command, caddr_t data, int fflag,
	59	struct ucred cred, struct proc p));
	60	int isofs_select __P((struct vnode vp, int which, int fflags, struct ucred cred,
	61	struct proc *p));
	62	int isofs_mmap __P((struct vnode vp, int fflags, struct ucred cred,
	63	struct proc *p));
	64	int isofs_seek __P((struct vnode *vp, off_t oldoff, off_t newoff,
65	struct ucred *cred));
66	int isofs_readdir __P((struct vnode vp, struct uio uio, struct ucred *cred,
67	int *eofflagp));
68	int isofs_abortop __P((struct nameidata *ndp));
69	int isofs_inactive __P((struct vnode vp, struct proc p));
70	int isofs_reclaim __P((struct vnode *vp));
71	int isofs_lock __P((struct vnode *vp));
72	int isofs_unlock __P((struct vnode *vp));
73	int isofs_strategy __P((struct buf *bp));
74	int isofs_print __P((struct vnode *vp));
75	int isofs_islocked __P((struct vnode *vp));
76