cd9660_node.h revision 1.13.8.1
1 /* $NetBSD: cd9660_node.h,v 1.13.8.1 2008/03/24 07:16:12 keiichi 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 #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 LIST_ENTRY(iso_node) i_hash; 67 struct vnode *i_vnode; /* vnode associated with this inode */ 68 struct vnode *i_devvp; /* vnode for block I/O */ 69 u_long i_flag; /* see below */ 70 dev_t i_dev; /* device where inode resides */ 71 ino_t i_number; /* the identity of the inode */ 72 /* we use the actual starting block of the file */ 73 struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 74 struct lockf *i_lockf; /* head of byte-level lock list */ 75 doff_t i_endoff; /* end of useful stuff in directory */ 76 doff_t i_diroff; /* offset in dir, where we found last entry */ 77 doff_t i_offset; /* offset of free space in directory */ 78 ino_t i_ino; /* inode number of found directory */ 79 80 unsigned long iso_extent; /* extent of file */ 81 unsigned long i_size; 82 unsigned long iso_start; /* actual start of data of file (may be different */ 83 /* from iso_extent, if file has extended attributes) */ 84 ISO_RRIP_INODE inode; 85 }; 86 87 #define i_forw i_chain[0] 88 #define i_back i_chain[1] 89 90 /* flags */ 91 #define IN_ACCESS 0x0020 /* inode access time to be updated */ 92 93 #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 94 #define ITOV(ip) ((ip)->i_vnode) 95 96 #ifdef _KERNEL 97 /* 98 * Prototypes for ISOFS vnode operations 99 */ 100 int cd9660_lookup(void *); 101 #define cd9660_open genfs_nullop 102 #define cd9660_close genfs_nullop 103 int cd9660_access(void *); 104 int cd9660_getattr(void *); 105 int cd9660_read(void *); 106 #define cd9660_ioctl genfs_enoioctl 107 #define cd9660_poll genfs_poll 108 #define cd9660_mmap genfs_mmap 109 #define cd9660_seek genfs_seek 110 int cd9660_readdir(void *); 111 int cd9660_readlink(void *); 112 #define cd9660_abortop genfs_abortop 113 int cd9660_inactive(void *); 114 int cd9660_reclaim(void *); 115 int cd9660_link(void *); 116 int cd9660_symlink(void *); 117 int cd9660_bmap(void *); 118 int cd9660_lock(void *); 119 int cd9660_unlock(void *); 120 int cd9660_strategy(void *); 121 int cd9660_print(void *); 122 int cd9660_islocked(void *); 123 int cd9660_pathconf(void *); 124 int cd9660_setattr(void *); 125 126 int cd9660_blkatoff(struct vnode *, off_t, char **, struct buf **); 127 void cd9660_defattr(struct iso_directory_record *, 128 struct iso_node *, struct buf *); 129 void cd9660_deftstamp(struct iso_directory_record *, 130 struct iso_node *, struct buf *); 131 struct vnode *cd9660_ihashget(dev_t, ino_t, int); 132 void cd9660_ihashins(struct iso_node *); 133 void cd9660_ihashrem(struct iso_node *); 134 int cd9660_tstamp_conv7(const u_char *, struct timespec *); 135 int cd9660_tstamp_conv17(const u_char *, struct timespec *); 136 int cd9660_vget_internal(struct mount *, ino_t, struct vnode **, int, 137 struct iso_directory_record *); 138 139 extern kmutex_t cd9660_hashlock; 140 141 #endif /* _KERNEL */ 142 #endif /* _ISOFS_CD9660_CD9660_NODE_H_ */ 143
Indexes created Thu Oct 23 22:10:10 GMT 2025