Annotation of sys/isofs/cd9660/cd9660_node.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: cd9660_node.h,v 1.17 2004/10/04 23:37:37 millert Exp $ */
2: /* $NetBSD: cd9660_node.h,v 1.15 1997/04/11 21:52:01 kleink Exp $ */
3:
4: /*-
5: * Copyright (c) 1994
6: * The Regents of the University of California. All rights reserved.
7: *
8: * This code is derived from software contributed to Berkeley
9: * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
10: * Support code is derived from software contributed to Berkeley
11: * by Atsushi Murai (amurai@spec.co.jp).
12: *
13: * Redistribution and use in source and binary forms, with or without
14: * modification, are permitted provided that the following conditions
15: * are met:
16: * 1. Redistributions of source code must retain the above copyright
17: * notice, this list of conditions and the following disclaimer.
18: * 2. Redistributions in binary form must reproduce the above copyright
19: * notice, this list of conditions and the following disclaimer in the
20: * documentation and/or other materials provided with the distribution.
21: * 3. Neither the name of the University nor the names of its contributors
22: * may be used to endorse or promote products derived from this software
23: * without specific prior written permission.
24: *
25: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35: * SUCH DAMAGE.
36: *
37: * @(#)cd9660_node.h 8.4 (Berkeley) 12/5/94
38: */
39:
40: #include <sys/buf.h>
41:
42: #define doff_t u_quad_t
43:
44: typedef struct {
45: struct timespec iso_atime; /* time of last access */
46: struct timespec iso_mtime; /* time of last modification */
47: struct timespec iso_ctime; /* time file changed */
48: u_short iso_mode; /* files access mode and type */
49: uid_t iso_uid; /* owner user id */
50: gid_t iso_gid; /* owner group id */
51: short iso_links; /* links of file */
52: dev_t iso_rdev; /* Major/Minor number for special */
53: } ISO_RRIP_INODE;
54:
55: #ifdef ISODEVMAP
56: /*
57: * FOr device# (major,minor) translation table
58: */
59: struct iso_dnode {
60: struct iso_dnode *d_next, **d_prev; /* hash chain */
61: dev_t i_dev; /* device where dnode resides */
62: ino_t i_number; /* the identity of the inode */
63: dev_t d_dev; /* device # for translation */
64: };
65: #endif
66:
67: struct iso_node {
68: struct iso_node *i_next, **i_prev; /* hash chain */
69: struct vnode *i_vnode; /* vnode associated with this inode */
70: struct vnode *i_devvp; /* vnode for block I/O */
71: u_int i_flag; /* see below */
72: dev_t i_dev; /* device where inode resides */
73: ino_t i_number; /* the identity of the inode */
74: /* we use the actual starting block of the file */
75: struct iso_mnt *i_mnt; /* filesystem associated with this inode */
76: struct lockf *i_lockf; /* head of byte-level lock list */
77: doff_t i_endoff; /* end of useful stuff in directory */
78: doff_t i_diroff; /* offset in dir, where we found last entry */
79: doff_t i_offset; /* offset of free space in directory */
80: ino_t i_ino; /* inode number of found directory */
81: struct lock i_lock; /* node lock */
82:
83: doff_t iso_extent; /* extent of file */
84: doff_t i_size;
85: /*
86: * Actual start of data file (may be different from iso_extent, if the
87: * file has extended attributes).
88: */
89: doff_t iso_start;
90:
91: ISO_RRIP_INODE inode;
92: struct cluster_info i_ci;
93: };
94:
95: #define i_forw i_chain[0]
96: #define i_back i_chain[1]
97:
98: /* flags */
99: #define IN_ACCESS 0x0020 /* inode access time to be updated */
100:
101: #define VTOI(vp) ((struct iso_node *)(vp)->v_data)
102: #define ITOV(ip) ((ip)->i_vnode)
103:
104: /*
105: * Prototypes for ISOFS vnode operations
106: */
107: int cd9660_lookup(void *);
108: int cd9660_open(void *);
109: int cd9660_close(void *);
110: int cd9660_access(void *);
111: int cd9660_getattr(void *);
112: int cd9660_setattr(void *);
113: int cd9660_read(void *);
114: int cd9660_ioctl(void *);
115: int cd9660_poll(void *);
116: int cd9660_mmap(void *);
117: int cd9660_seek(void *);
118: int cd9660_readdir(void *);
119: int cd9660_readlink(void *);
120: int cd9660_abortop(void *);
121: int cd9660_inactive(void *);
122: int cd9660_reclaim(void *);
123: int cd9660_link(void *);
124: int cd9660_symlink(void *);
125: int cd9660_bmap(void *);
126: int cd9660_lock(void *);
127: int cd9660_unlock(void *);
128: int cd9660_strategy(void *);
129: int cd9660_print(void *);
130: int cd9660_islocked(void *);
131: int cd9660_pathconf(void *);
132:
133: int cd9660_bufatoff(struct iso_node *, off_t, char **, struct buf **);
134:
135: void cd9660_defattr(struct iso_directory_record *, struct iso_node *,
136: struct buf *);
137: void cd9660_deftstamp(struct iso_directory_record *, struct iso_node *,
138: struct buf *);
139: struct vnode *cd9660_ihashget(dev_t, ino_t);
140: int cd9660_ihashins(struct iso_node *);
141: void cd9660_ihashrem(struct iso_node *);
142: int cd9660_tstamp_conv7(u_char *, struct timespec *);
143: int cd9660_tstamp_conv17(u_char *, struct timespec *);
144: int cd9660_vget_internal(struct mount *, ino_t, struct vnode **, int,
145: struct iso_directory_record *);
146: ino_t isodirino(struct iso_directory_record *, struct iso_mnt *);
147: #ifdef ISODEVMAP
148: struct iso_dnode *iso_dmap(dev_t, ino_t, int);
149: void iso_dunmap(dev_t);
150: #endif
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