gitweb.dragonflybsd.org Git - dragonfly.git/blame - sys/vfs/isofs/cd9660/cd9660

Commit	Line	Data
984263bc MD	1	/*-
	2	* Copyright (c) 1994
	3	* The Regents of the University of California. All rights reserved.
	4	*
	5	* This code is derived from software contributed to Berkeley
	6	* by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
	7	* Support code is derived from software contributed to Berkeley
	8	* by Atsushi Murai (amurai@spec.co.jp).
	9	*
	10	* Redistribution and use in source and binary forms, with or without
	11	* modification, are permitted provided that the following conditions
	12	* are met:
	13	* 1. Redistributions of source code must retain the above copyright
	14	* notice, this list of conditions and the following disclaimer.
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in the
	17	* documentation and/or other materials provided with the distribution.
2c64e990	18	* 3. Neither the name of the University nor the names of its contributors
984263bc MD	19	* may be used to endorse or promote products derived from this software
	20	* without specific prior written permission.
	21	*
	22	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	23	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	24	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	25	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	26	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	27	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	28	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	29	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	30	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	31	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	32	* SUCH DAMAGE.
	33	*
	34	* @(#)cd9660_node.h 8.6 (Berkeley) 5/14/95
	35	* $FreeBSD: src/sys/isofs/cd9660/cd9660_node.h,v 1.20 1999/12/29 04:54:37 peter Exp $
	36	*/
	37
508ceb09 JS	38	#include <sys/lockf.h>
508ceb09 JS	39
984263bc MD	40	/*
	41	* Theoretically, directories can be more than 2Gb in length,
	42	* however, in practice this seems unlikely. So, we define
	43	* the type doff_t as a long to keep down the cost of doing
	44	* lookup on a 32-bit machine. If you are porting to a 64-bit
	45	* architecture, you should make doff_t the same as off_t.
	46	*/
	47	#define doff_t long
	48
	49	typedef struct {
	50	struct timespec iso_atime; /* time of last access */
	51	struct timespec iso_mtime; /* time of last modification */
	52	struct timespec iso_ctime; /* time file changed */
	53	u_short iso_mode; /* files access mode and type */
	54	uid_t iso_uid; /* owner user id */
	55	gid_t iso_gid; /* owner group id */
	56	short iso_links; /* links of file */
91ffdfc5	57	dev_t iso_rdev; /* Major/Minor number for special */
984263bc MD	58	} ISO_RRIP_INODE;
	59
	60
	61	struct iso_node {
3446c007	62	struct iso_node i_next; / hash chain */
984263bc MD	63	struct vnode i_vnode; / vnode associated with this inode */
	64	struct vnode i_devvp; / vnode for block I/O */
	65	u_long i_flag; /* see below */
b13267a5	66	cdev_t i_dev; /* device where inode resides */
984263bc MD	67	ino_t i_number; /* the identity of the inode */
	68	/* we use the actual starting block of the file */
	69	struct iso_mnt i_mnt; / filesystem associated with this inode */
508ceb09	70	struct lockf i_lockf; /* head of byte-level lock list */
984263bc MD	71	doff_t i_endoff; /* end of useful stuff in directory */
	72	doff_t i_diroff; /* offset in dir, where we found last entry */
	73	doff_t i_offset; /* offset of free space in directory */
	74	ino_t i_ino; /* inode number of found directory */
	75
5d757fe4 SS	76	unsigned long iso_extent; /* extent of file */
	77	unsigned long i_size;
	78	unsigned long iso_start; /* actual start of data of file (may be different */
	79	/* from iso_extent, if file has extended attributes) */
984263bc MD	80	ISO_RRIP_INODE inode;
	81	};
	82
	83	#define i_forw i_chain[0]
	84	#define i_back i_chain[1]
	85
	86	/* flags */
	87	#define IN_ACCESS 0x0020 /* inode access time to be updated */
	88
	89	#define VTOI(vp) ((struct iso_node *)(vp)->v_data)
	90	#define ITOV(ip) ((ip)->i_vnode)
	91
	92	#ifdef _KERNEL
	93
	94	#ifdef MALLOC_DECLARE
	95	MALLOC_DECLARE(M_ISOFSMNT);
	96	MALLOC_DECLARE(M_ISOFSNODE);
	97	#endif
	98
	99	struct buf;
	100	struct vop_bmap_args;
e62afb5f	101	struct vop_old_lookup_args;
984263bc MD	102	struct vop_inactive_args;
	103	struct vop_reclaim_args;
	104
	105	/*
	106	* Prototypes for ISOFS vnode operations
	107	*/
e961ef71	108	int cd9660_lookup(struct vop_old_lookup_args *);
	109	int cd9660_inactive(struct vop_inactive_args *);
	110	int cd9660_reclaim(struct vop_reclaim_args *);
	111	int cd9660_bmap(struct vop_bmap_args *);
	112	int cd9660_blkatoff(struct vnode vp, off_t offset, char res, struct buf *bpp);
	113	int cd9660_devblkatoff(struct vnode vp, off_t offset, char res, struct buf *bpp);
984263bc	114
e961ef71	115	void cd9660_defattr(struct iso_directory_record *,
a6ee311a	116	struct iso_node , struct buf , enum ISO_FTYPE);
e961ef71	117	void cd9660_deftstamp(struct iso_directory_record *,
a6ee311a	118	struct iso_node , struct buf , enum ISO_FTYPE);
e961ef71	119	struct vnode *cd9660_ihashget(cdev_t, ino_t);
	120	int cd9660_ihashins(struct iso_node *);
	121	int cd9660_tstamp_conv7(u_char , struct timespec , enum ISO_FTYPE);
	122	int cd9660_tstamp_conv17(u_char , struct timespec );
984263bc MD	123
984263bc MD	124	#endif /* _KERNEL */