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. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)cd9660_node.h 8.6 (Berkeley) 5/14/95 35 * $FreeBSD: src/sys/isofs/cd9660/cd9660_node.h,v 1.20 1999/12/29 04:54:37 peter Exp $ 36 */ 37 38 #include <sys/lockf.h> 39 40 /* 41 * Theoretically, directories can be more than 2Gb in length, 42 * however, in practice this seems unlikely. So, we define 43 * the type doff_t as a long to keep down the cost of doing 44 * lookup on a 32-bit machine. If you are porting to a 64-bit 45 * architecture, you should make doff_t the same as off_t. 46 */ 47 #define doff_t long 48 49 typedef struct { 50 struct timespec iso_atime; /* time of last access */ 51 struct timespec iso_mtime; /* time of last modification */ 52 struct timespec iso_ctime; /* time file changed */ 53 u_short iso_mode; /* files access mode and type */ 54 uid_t iso_uid; /* owner user id */ 55 gid_t iso_gid; /* owner group id */ 56 short iso_links; /* links of file */ 57 dev_t iso_rdev; /* Major/Minor number for special */ 58 } ISO_RRIP_INODE; 59 60 61 struct iso_node { 62 struct iso_node *i_next; /* hash chain */ 63 struct vnode *i_vnode; /* vnode associated with this inode */ 64 struct vnode *i_devvp; /* vnode for block I/O */ 65 u_long i_flag; /* see below */ 66 cdev_t i_dev; /* device where inode resides */ 67 ino_t i_number; /* the identity of the inode */ 68 /* we use the actual starting block of the file */ 69 struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 70 struct lockf i_lockf; /* head of byte-level lock list */ 71 doff_t i_endoff; /* end of useful stuff in directory */ 72 doff_t i_diroff; /* offset in dir, where we found last entry */ 73 doff_t i_offset; /* offset of free space in directory */ 74 ino_t i_ino; /* inode number of found directory */ 75 76 unsigned long iso_extent; /* extent of file */ 77 unsigned long i_size; 78 unsigned long iso_start; /* actual start of data of file (may be different */ 79 /* from iso_extent, if file has extended attributes) */ 80 ISO_RRIP_INODE inode; 81 }; 82 83 #define i_forw i_chain[0] 84 #define i_back i_chain[1] 85 86 /* flags */ 87 #define IN_ACCESS 0x0020 /* inode access time to be updated */ 88 89 #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 90 #define ITOV(ip) ((ip)->i_vnode) 91 92 #ifdef _KERNEL 93 94 #ifdef MALLOC_DECLARE 95 MALLOC_DECLARE(M_ISOFSMNT); 96 MALLOC_DECLARE(M_ISOFSNODE); 97 #endif 98 99 struct buf; 100 struct vop_bmap_args; 101 struct vop_old_lookup_args; 102 struct vop_inactive_args; 103 struct vop_reclaim_args; 104 105 /* 106 * Prototypes for ISOFS vnode operations 107 */ 108 int cd9660_lookup(struct vop_old_lookup_args *); 109 int cd9660_inactive(struct vop_inactive_args *); 110 int cd9660_reclaim(struct vop_reclaim_args *); 111 int cd9660_bmap(struct vop_bmap_args *); 112 int cd9660_blkatoff(struct vnode *vp, off_t offset, char **res, struct buf **bpp); 113 int cd9660_devblkatoff(struct vnode *vp, off_t offset, char **res, struct buf **bpp); 114 115 void cd9660_defattr(struct iso_directory_record *, 116 struct iso_node *, struct buf *, enum ISO_FTYPE); 117 void cd9660_deftstamp(struct iso_directory_record *, 118 struct iso_node *, struct buf *, enum ISO_FTYPE); 119 struct vnode *cd9660_ihashget(cdev_t, ino_t); 120 int cd9660_ihashins(struct iso_node *); 121 int cd9660_tstamp_conv7(u_char *, struct timespec *, enum ISO_FTYPE); 122 int cd9660_tstamp_conv17(u_char *, struct timespec *); 123 124 #endif /* _KERNEL */ 125