root / lab4 / .minix-src / include / isofs / cd9660 / cd9660_node.h @ 14
History | View | Annotate | Download (5.07 KB)
1 |
/* $NetBSD: cd9660_node.h,v 1.16 2014/06/16 09:55:49 hannken Exp $ */
|
---|---|
2 |
|
3 |
/*-
|
4 |
* Copyright (c) 1994
|
5 |
* The Regents of the University of California. All rights reserved.
|
6 |
*
|
7 |
* This code is derived from software contributed to Berkeley
|
8 |
* by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
|
9 |
* Support code is derived from software contributed to Berkeley
|
10 |
* by Atsushi Murai (amurai@spec.co.jp).
|
11 |
*
|
12 |
* Redistribution and use in source and binary forms, with or without
|
13 |
* modification, are permitted provided that the following conditions
|
14 |
* are met:
|
15 |
* 1. Redistributions of source code must retain the above copyright
|
16 |
* notice, this list of conditions and the following disclaimer.
|
17 |
* 2. Redistributions in binary form must reproduce the above copyright
|
18 |
* notice, this list of conditions and the following disclaimer in the
|
19 |
* documentation and/or other materials provided with the distribution.
|
20 |
* 3. Neither the name of the University nor the names of its contributors
|
21 |
* may be used to endorse or promote products derived from this software
|
22 |
* without specific prior written permission.
|
23 |
*
|
24 |
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
25 |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
26 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
27 |
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
28 |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
29 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
30 |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
31 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
32 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
33 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
34 |
* SUCH DAMAGE.
|
35 |
*
|
36 |
* @(#)cd9660_node.h 8.6 (Berkeley) 5/14/95
|
37 |
*/
|
38 |
|
39 |
#ifndef _ISOFS_CD9660_CD9660_NODE_H_
|
40 |
#define _ISOFS_CD9660_CD9660_NODE_H_
|
41 |
|
42 |
#include <miscfs/genfs/genfs_node.h> |
43 |
|
44 |
/*
|
45 |
* Theoretically, directories can be more than 2Gb in length,
|
46 |
* however, in practice this seems unlikely. So, we define
|
47 |
* the type doff_t as a long to keep down the cost of doing
|
48 |
* lookup on a 32-bit machine. If you are porting to a 64-bit
|
49 |
* architecture, you should make doff_t the same as off_t.
|
50 |
*/
|
51 |
#define doff_t long |
52 |
|
53 |
typedef struct { |
54 |
struct timespec iso_atime; /* time of last access */ |
55 |
struct timespec iso_mtime; /* time of last modification */ |
56 |
struct timespec iso_ctime; /* time file changed */ |
57 |
u_short iso_mode; /* files access mode and type */
|
58 |
uid_t iso_uid; /* owner user id */
|
59 |
gid_t iso_gid; /* owner group id */
|
60 |
short iso_links; /* links of file */ |
61 |
dev_t iso_rdev; /* Major/Minor number for special */
|
62 |
} ISO_RRIP_INODE; |
63 |
|
64 |
struct iso_node {
|
65 |
struct genfs_node i_gnode;
|
66 |
struct vnode *i_vnode; /* vnode associated with this inode */ |
67 |
struct vnode *i_devvp; /* vnode for block I/O */ |
68 |
u_long i_flag; /* see below */
|
69 |
dev_t i_dev; /* device where inode resides */
|
70 |
ino_t i_number; /* the identity of the inode */
|
71 |
/* we use the actual starting block of the file */
|
72 |
struct iso_mnt *i_mnt; /* filesystem associated with this inode */ |
73 |
struct lockf *i_lockf; /* head of byte-level lock list */ |
74 |
doff_t i_endoff; /* end of useful stuff in directory */
|
75 |
doff_t i_diroff; /* offset in dir, where we found last entry */
|
76 |
doff_t i_offset; /* offset of free space in directory */
|
77 |
ino_t i_ino; /* inode number of found directory */
|
78 |
|
79 |
unsigned long iso_extent; /* extent of file */ |
80 |
unsigned long i_size; |
81 |
unsigned long iso_start; /* actual start of data of file (may be different */ |
82 |
/* from iso_extent, if file has extended attributes) */
|
83 |
ISO_RRIP_INODE inode; |
84 |
}; |
85 |
|
86 |
#define i_forw i_chain[0] |
87 |
#define i_back i_chain[1] |
88 |
|
89 |
/* flags */
|
90 |
#define IN_ACCESS 0x0020 /* inode access time to be updated */ |
91 |
|
92 |
#define VTOI(vp) ((struct iso_node *)(vp)->v_data) |
93 |
#define ITOV(ip) ((ip)->i_vnode)
|
94 |
|
95 |
#ifdef _KERNEL
|
96 |
/*
|
97 |
* Prototypes for ISOFS vnode operations
|
98 |
*/
|
99 |
int cd9660_lookup(void *); |
100 |
#define cd9660_open genfs_nullop
|
101 |
#define cd9660_close genfs_nullop
|
102 |
int cd9660_access(void *); |
103 |
int cd9660_getattr(void *); |
104 |
int cd9660_read(void *); |
105 |
#define cd9660_ioctl genfs_enoioctl
|
106 |
#define cd9660_poll genfs_poll
|
107 |
#define cd9660_mmap genfs_mmap
|
108 |
#define cd9660_seek genfs_seek
|
109 |
int cd9660_readdir(void *); |
110 |
int cd9660_readlink(void *); |
111 |
#define cd9660_abortop genfs_abortop
|
112 |
int cd9660_inactive(void *); |
113 |
int cd9660_reclaim(void *); |
114 |
int cd9660_link(void *); |
115 |
int cd9660_symlink(void *); |
116 |
int cd9660_bmap(void *); |
117 |
int cd9660_lock(void *); |
118 |
int cd9660_unlock(void *); |
119 |
int cd9660_strategy(void *); |
120 |
int cd9660_print(void *); |
121 |
int cd9660_islocked(void *); |
122 |
int cd9660_pathconf(void *); |
123 |
int cd9660_setattr(void *); |
124 |
|
125 |
int cd9660_blkatoff(struct vnode *, off_t, char **, struct buf **); |
126 |
void cd9660_defattr(struct iso_directory_record *, |
127 |
struct iso_node *, struct buf *); |
128 |
void cd9660_deftstamp(struct iso_directory_record *, |
129 |
struct iso_node *, struct buf *); |
130 |
int cd9660_tstamp_conv7(const u_char *, struct timespec *); |
131 |
int cd9660_tstamp_conv17(const u_char *, struct timespec *); |
132 |
|
133 |
#endif /* _KERNEL */ |
134 |
#endif /* _ISOFS_CD9660_CD9660_NODE_H_ */ |