cd9660_node.h revision 1.8
1 /* $NetBSD: cd9660_node.h,v 1.8 2005/08/30 19:15:11 xtraeme 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. 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 #include <miscfs/genfs/genfs_node.h> 40 41 /* 42 * Theoretically, directories can be more than 2Gb in length, 43 * however, in practice this seems unlikely. So, we define 44 * the type doff_t as a long to keep down the cost of doing 45 * lookup on a 32-bit machine. If you are porting to a 64-bit 46 * architecture, you should make doff_t the same as off_t. 47 */ 48 #define doff_t long 49 50 typedef struct { 51 struct timespec iso_atime; /* time of last access */ 52 struct timespec iso_mtime; /* time of last modification */ 53 struct timespec iso_ctime; /* time file changed */ 54 u_short iso_mode; /* files access mode and type */ 55 uid_t iso_uid; /* owner user id */ 56 gid_t iso_gid; /* owner group id */ 57 short iso_links; /* links of file */ 58 dev_t iso_rdev; /* Major/Minor number for special */ 59 } ISO_RRIP_INODE; 60 61 #ifdef ISODEVMAP 62 /* 63 * FOr device# (major,minor) translation table 64 */ 65 struct iso_dnode { 66 LIST_ENTRY(iso_dnode) d_hash; 67 dev_t i_dev; /* device where dnode resides */ 68 ino_t i_number; /* the identity of the inode */ 69 dev_t d_dev; /* device # for translation */ 70 }; 71 #endif 72 73 struct iso_node { 74 struct genfs_node i_gnode; 75 LIST_ENTRY(iso_node) i_hash; 76 struct vnode *i_vnode; /* vnode associated with this inode */ 77 struct vnode *i_devvp; /* vnode for block I/O */ 78 u_long i_flag; /* see below */ 79 dev_t i_dev; /* device where inode resides */ 80 ino_t i_number; /* the identity of the inode */ 81 /* we use the actual starting block of the file */ 82 struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 83 struct lockf *i_lockf; /* head of byte-level lock list */ 84 doff_t i_endoff; /* end of useful stuff in directory */ 85 doff_t i_diroff; /* offset in dir, where we found last entry */ 86 doff_t i_offset; /* offset of free space in directory */ 87 ino_t i_ino; /* inode number of found directory */ 88 89 unsigned long iso_extent; /* extent of file */ 90 unsigned long i_size; 91 unsigned long iso_start; /* actual start of data of file (may be different */ 92 /* from iso_extent, if file has extended attributes) */ 93 ISO_RRIP_INODE inode; 94 }; 95 96 #define i_forw i_chain[0] 97 #define i_back i_chain[1] 98 99 /* flags */ 100 #define IN_ACCESS 0x0020 /* inode access time to be updated */ 101 102 #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 103 #define ITOV(ip) ((ip)->i_vnode) 104 105 /* 106 * Prototypes for ISOFS vnode operations 107 */ 108 int cd9660_lookup(void *); 109 #define cd9660_open genfs_nullop 110 #define cd9660_close genfs_nullop 111 int cd9660_access(void *); 112 int cd9660_getattr(void *); 113 int cd9660_read(void *); 114 #define cd9660_ioctl genfs_enoioctl 115 #define cd9660_poll genfs_poll 116 #define cd9660_mmap genfs_mmap 117 #define cd9660_seek genfs_seek 118 int cd9660_readdir(void *); 119 int cd9660_readlink(void *); 120 #define cd9660_abortop genfs_abortop 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 int cd9660_setattr(void *); 133 int cd9660_blkatoff(void *); 134 135 void cd9660_defattr(struct iso_directory_record *, 136 struct iso_node *, struct buf *); 137 void cd9660_deftstamp(struct iso_directory_record *, 138 struct iso_node *, struct buf *); 139 struct vnode *cd9660_ihashget(dev_t, ino_t); 140 void 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 #ifdef ISODEVMAP 147 struct iso_dnode *iso_dmap(dev_t, ino_t, int); 148 void iso_dunmap(dev_t); 149 #endif 150
Indexes created Thu Oct 23 22:10:10 GMT 2025