1 /*- 2 * Copyright (c) 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley 6 * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension 7 * Support code is derived from software contributed to Berkeley 8 * by Atsushi Murai (amurai@spec.co.jp). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)cd9660_node.h 8.6 (Berkeley) 5/14/95 39 * $FreeBSD: src/sys/isofs/cd9660/cd9660_node.h,v 1.20 1999/12/29 04:54:37 peter Exp $ 40 * $DragonFly: src/sys/vfs/isofs/cd9660/cd9660_node.h,v 1.10 2006/09/10 01:26:40 dillon Exp $ 41 */ 42 43 #include <sys/lockf.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 udev_t iso_rdev; /* Major/Minor number for special */ 63 } ISO_RRIP_INODE; 64 65 66 struct iso_node { 67 struct iso_node *i_next; /* hash chain */ 68 struct vnode *i_vnode; /* vnode associated with this inode */ 69 struct vnode *i_devvp; /* vnode for block I/O */ 70 u_long i_flag; /* see below */ 71 cdev_t i_dev; /* device where inode resides */ 72 ino_t i_number; /* the identity of the inode */ 73 /* we use the actual starting block of the file */ 74 struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 75 struct lockf i_lockf; /* head of byte-level lock list */ 76 doff_t i_endoff; /* end of useful stuff in directory */ 77 doff_t i_diroff; /* offset in dir, where we found last entry */ 78 doff_t i_offset; /* offset of free space in directory */ 79 ino_t i_ino; /* inode number of found directory */ 80 81 unsigned long iso_extent; /* extent of file */ 82 unsigned long i_size; 83 unsigned long iso_start; /* actual start of data of file (may be different */ 84 /* from iso_extent, if file has extended attributes) */ 85 ISO_RRIP_INODE inode; 86 }; 87 88 #define i_forw i_chain[0] 89 #define i_back i_chain[1] 90 91 /* flags */ 92 #define IN_ACCESS 0x0020 /* inode access time to be updated */ 93 94 #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 95 #define ITOV(ip) ((ip)->i_vnode) 96 97 #ifdef _KERNEL 98 99 #ifdef MALLOC_DECLARE 100 MALLOC_DECLARE(M_ISOFSMNT); 101 MALLOC_DECLARE(M_ISOFSNODE); 102 #endif 103 104 struct buf; 105 struct vop_bmap_args; 106 struct vop_old_lookup_args; 107 struct vop_inactive_args; 108 struct vop_reclaim_args; 109 110 /* 111 * Prototypes for ISOFS vnode operations 112 */ 113 int cd9660_lookup (struct vop_old_lookup_args *); 114 int cd9660_inactive (struct vop_inactive_args *); 115 int cd9660_reclaim (struct vop_reclaim_args *); 116 int cd9660_bmap (struct vop_bmap_args *); 117 int cd9660_blkatoff (struct vnode *vp, off_t offset, char **res, struct buf **bpp); 118 int cd9660_devblkatoff (struct vnode *vp, off_t offset, char **res, struct buf **bpp); 119 120 void cd9660_defattr (struct iso_directory_record *, 121 struct iso_node *, struct buf *, enum ISO_FTYPE); 122 void cd9660_deftstamp (struct iso_directory_record *, 123 struct iso_node *, struct buf *, enum ISO_FTYPE); 124 struct vnode *cd9660_ihashget (cdev_t, ino_t); 125 int cd9660_ihashins (struct iso_node *); 126 int cd9660_tstamp_conv7 (u_char *, struct timespec *, enum ISO_FTYPE); 127 int cd9660_tstamp_conv17 (u_char *, struct timespec *); 128 129 #endif /* _KERNEL */ 130