cd9660_node.h revision 1.2
1 /* $NetBSD: cd9660_node.h,v 1.2 2003/06/28 14:21:49 darrenr 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 (at) blitz.com). The Rock Ridge Extension 9 * Support code is derived from software contributed to Berkeley 10 * by Atsushi Murai (amurai (at) 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. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)cd9660_node.h 8.6 (Berkeley) 5/14/95 41 */ 42 43 #include <miscfs/genfs/genfs_node.h> 44 45 /* 46 * Theoretically, directories can be more than 2Gb in length, 47 * however, in practice this seems unlikely. So, we define 48 * the type doff_t as a long to keep down the cost of doing 49 * lookup on a 32-bit machine. If you are porting to a 64-bit 50 * architecture, you should make doff_t the same as off_t. 51 */ 52 #define doff_t long 53 54 typedef struct { 55 struct timespec iso_atime; /* time of last access */ 56 struct timespec iso_mtime; /* time of last modification */ 57 struct timespec iso_ctime; /* time file changed */ 58 u_short iso_mode; /* files access mode and type */ 59 uid_t iso_uid; /* owner user id */ 60 gid_t iso_gid; /* owner group id */ 61 short iso_links; /* links of file */ 62 dev_t iso_rdev; /* Major/Minor number for special */ 63 } ISO_RRIP_INODE; 64 65 #ifdef ISODEVMAP 66 /* 67 * FOr device# (major,minor) translation table 68 */ 69 struct iso_dnode { 70 LIST_ENTRY(iso_dnode) d_hash; 71 dev_t i_dev; /* device where dnode resides */ 72 ino_t i_number; /* the identity of the inode */ 73 dev_t d_dev; /* device # for translation */ 74 }; 75 #endif 76 77 struct iso_node { 78 struct genfs_node i_gnode; 79 LIST_ENTRY(iso_node) i_hash; 80 struct vnode *i_vnode; /* vnode associated with this inode */ 81 struct vnode *i_devvp; /* vnode for block I/O */ 82 u_long i_flag; /* see below */ 83 dev_t i_dev; /* device where inode resides */ 84 ino_t i_number; /* the identity of the inode */ 85 /* we use the actual starting block of the file */ 86 struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 87 struct lockf *i_lockf; /* head of byte-level lock list */ 88 doff_t i_endoff; /* end of useful stuff in directory */ 89 doff_t i_diroff; /* offset in dir, where we found last entry */ 90 doff_t i_offset; /* offset of free space in directory */ 91 ino_t i_ino; /* inode number of found directory */ 92 93 long iso_extent; /* extent of file */ 94 long i_size; 95 long iso_start; /* actual start of data of file (may be different */ 96 /* from iso_extent, if file has extended attributes) */ 97 ISO_RRIP_INODE inode; 98 }; 99 100 #define i_forw i_chain[0] 101 #define i_back i_chain[1] 102 103 /* flags */ 104 #define IN_ACCESS 0x0020 /* inode access time to be updated */ 105 106 #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 107 #define ITOV(ip) ((ip)->i_vnode) 108 109 /* 110 * Prototypes for ISOFS vnode operations 111 */ 112 int cd9660_lookup __P((void *)); 113 #define cd9660_open genfs_nullop 114 #define cd9660_close genfs_nullop 115 int cd9660_access __P((void *)); 116 int cd9660_getattr __P((void *)); 117 int cd9660_read __P((void *)); 118 #define cd9660_ioctl genfs_enoioctl 119 #define cd9660_poll genfs_poll 120 #define cd9660_mmap genfs_mmap 121 #define cd9660_seek genfs_seek 122 int cd9660_readdir __P((void *)); 123 int cd9660_readlink __P((void *)); 124 #define cd9660_abortop genfs_abortop 125 int cd9660_inactive __P((void *)); 126 int cd9660_reclaim __P((void *)); 127 int cd9660_link __P((void *)); 128 int cd9660_symlink __P((void *)); 129 int cd9660_bmap __P((void *)); 130 int cd9660_lock __P((void *)); 131 int cd9660_unlock __P((void *)); 132 int cd9660_strategy __P((void *)); 133 int cd9660_print __P((void *)); 134 int cd9660_islocked __P((void *)); 135 int cd9660_pathconf __P((void *)); 136 int cd9660_setattr __P((void *)); 137 int cd9660_blkatoff __P((void *)); 138 139 void cd9660_defattr __P((struct iso_directory_record *, 140 struct iso_node *, struct buf *)); 141 void cd9660_deftstamp __P((struct iso_directory_record *, 142 struct iso_node *, struct buf *)); 143 struct vnode *cd9660_ihashget __P((dev_t, ino_t, struct lwp *)); 144 void cd9660_ihashins __P((struct iso_node *)); 145 void cd9660_ihashrem __P((struct iso_node *)); 146 int cd9660_tstamp_conv7 __P((u_char *, struct timespec *)); 147 int cd9660_tstamp_conv17 __P((u_char *, struct timespec *)); 148 int cd9660_vget_internal __P((struct mount *, ino_t, struct vnode **, int, 149 struct iso_directory_record *, struct lwp *)); 150 #ifdef ISODEVMAP 151 struct iso_dnode *iso_dmap __P((dev_t, ino_t, int)); 152 void iso_dunmap __P((dev_t)); 153 #endif 154
Indexes created Thu Oct 23 22:10:10 GMT 2025