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 * %sccs.include.redist.c% 11 * 12 * @(#)cd9660_node.h 8.6 (Berkeley) 05/14/95 13 */ 14 15 /* 16 * Theoretically, directories can be more than 2Gb in length, 17 * however, in practice this seems unlikely. So, we define 18 * the type doff_t as a long to keep down the cost of doing 19 * lookup on a 32-bit machine. If you are porting to a 64-bit 20 * architecture, you should make doff_t the same as off_t. 21 */ 22 #define doff_t long 23 24 typedef struct { 25 struct timespec iso_atime; /* time of last access */ 26 struct timespec iso_mtime; /* time of last modification */ 27 struct timespec iso_ctime; /* time file changed */ 28 u_short iso_mode; /* files access mode and type */ 29 uid_t iso_uid; /* owner user id */ 30 gid_t iso_gid; /* owner group id */ 31 short iso_links; /* links of file */ 32 dev_t iso_rdev; /* Major/Minor number for special */ 33 } ISO_RRIP_INODE; 34 35 #ifdef ISODEVMAP 36 /* 37 * FOr device# (major,minor) translation table 38 */ 39 struct iso_dnode { 40 struct iso_dnode *d_next, **d_prev; /* hash chain */ 41 dev_t i_dev; /* device where dnode resides */ 42 ino_t i_number; /* the identity of the inode */ 43 dev_t d_dev; /* device # for translation */ 44 }; 45 #endif 46 47 struct iso_node { 48 struct iso_node *i_next, **i_prev; /* hash chain */ 49 struct vnode *i_vnode; /* vnode associated with this inode */ 50 struct vnode *i_devvp; /* vnode for block I/O */ 51 u_long i_flag; /* see below */ 52 dev_t i_dev; /* device where inode resides */ 53 ino_t i_number; /* the identity of the inode */ 54 /* we use the actual starting block of the file */ 55 struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 56 struct lockf *i_lockf; /* head of byte-level lock list */ 57 doff_t i_endoff; /* end of useful stuff in directory */ 58 doff_t i_diroff; /* offset in dir, where we found last entry */ 59 doff_t i_offset; /* offset of free space in directory */ 60 ino_t i_ino; /* inode number of found directory */ 61 struct lock i_lock; /* node lock */ 62 63 long iso_extent; /* extent of file */ 64 long i_size; 65 long iso_start; /* actual start of data of file (may be different */ 66 /* from iso_extent, if file has extended attributes) */ 67 ISO_RRIP_INODE inode; 68 }; 69 70 #define i_forw i_chain[0] 71 #define i_back i_chain[1] 72 73 /* flags */ 74 #define IN_ACCESS 0x0020 /* inode access time to be updated */ 75 76 #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 77 #define ITOV(ip) ((ip)->i_vnode) 78 79 /* 80 * Prototypes for ISOFS vnode operations 81 */ 82 int cd9660_lookup __P((struct vop_lookup_args *)); 83 int cd9660_open __P((struct vop_open_args *)); 84 int cd9660_close __P((struct vop_close_args *)); 85 int cd9660_access __P((struct vop_access_args *)); 86 int cd9660_getattr __P((struct vop_getattr_args *)); 87 int cd9660_read __P((struct vop_read_args *)); 88 int cd9660_ioctl __P((struct vop_ioctl_args *)); 89 int cd9660_select __P((struct vop_select_args *)); 90 int cd9660_mmap __P((struct vop_mmap_args *)); 91 int cd9660_seek __P((struct vop_seek_args *)); 92 int cd9660_readdir __P((struct vop_readdir_args *)); 93 int cd9660_abortop __P((struct vop_abortop_args *)); 94 int cd9660_inactive __P((struct vop_inactive_args *)); 95 int cd9660_reclaim __P((struct vop_reclaim_args *)); 96 int cd9660_bmap __P((struct vop_bmap_args *)); 97 int cd9660_lock __P((struct vop_lock_args *)); 98 int cd9660_unlock __P((struct vop_unlock_args *)); 99 int cd9660_strategy __P((struct vop_strategy_args *)); 100 int cd9660_print __P((struct vop_print_args *)); 101 int cd9660_islocked __P((struct vop_islocked_args *)); 102 int cd9660_pathconf __P((struct vop_pathconf_args *)); 103 int cd9660_blkatoff __P((struct vop_blkatoff_args *)); 104 #define cd9660_revoke vop_revoke 105 106 void cd9660_defattr __P((struct iso_directory_record *, 107 struct iso_node *, struct buf *)); 108 void cd9660_deftstamp __P((struct iso_directory_record *, 109 struct iso_node *, struct buf *)); 110 struct vnode *cd9660_ihashget __P((dev_t, ino_t)); 111 void cd9660_ihashins __P((struct iso_node *)); 112 void cd9660_ihashrem __P((struct iso_node *)); 113 int cd9660_tstamp_conv7 __P((u_char *, struct timespec *)); 114 int cd9660_tstamp_conv17 __P((u_char *, struct timespec *)); 115 ino_t isodirino __P((struct iso_directory_record *, struct iso_mnt *)); 116 #ifdef ISODEVMAP 117 struct iso_dnode *iso_dmap __P((dev_t, ino_t, int)); 118 void iso_dunmap __P((dev_t)); 119 #endif 120