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 8.1 (Berkeley) 01/21/94 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_chain[2]; /* hash chain, MUST be first */ 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 #define d_forw d_chain[0] 46 #define d_back d_chain[1] 47 #endif 48 49 struct iso_node { 50 struct iso_node *i_chain[2]; /* hash chain, MUST be first */ 51 struct vnode *i_vnode; /* vnode associated with this inode */ 52 struct vnode *i_devvp; /* vnode for block I/O */ 53 u_long i_flag; /* see below */ 54 dev_t i_dev; /* device where inode resides */ 55 ino_t i_number; /* the identity of the inode */ 56 /* we use the actual starting block of the file */ 57 struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 58 struct lockf *i_lockf; /* head of byte-level lock list */ 59 doff_t i_endoff; /* end of useful stuff in directory */ 60 doff_t i_diroff; /* offset in dir, where we found last entry */ 61 doff_t i_offset; /* offset of free space in directory */ 62 ino_t i_ino; /* inode number of found directory */ 63 long i_spare0; 64 long i_spare1; 65 66 long iso_extent; /* extent of file */ 67 long i_size; 68 long iso_start; /* actual start of data of file (may be different */ 69 /* from iso_extent, if file has extended attributes) */ 70 ISO_RRIP_INODE inode; 71 }; 72 73 #define i_forw i_chain[0] 74 #define i_back i_chain[1] 75 76 /* flags */ 77 #define ILOCKED 0x0001 /* inode is locked */ 78 #define IWANT 0x0002 /* some process waiting on lock */ 79 #define IACC 0x0020 /* inode access time to be updated */ 80 81 #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 82 #define ITOV(ip) ((ip)->i_vnode) 83 84 #define ISO_ILOCK(ip) iso_ilock(ip) 85 #define ISO_IUNLOCK(ip) iso_iunlock(ip) 86 87 /* 88 * Prototypes for ISOFS vnode operations 89 */ 90 int isofs_lookup __P((struct vop_lookup_args *)); 91 int isofs_open __P((struct vop_open_args *)); 92 int isofs_close __P((struct vop_close_args *)); 93 int isofs_access __P((struct vop_access_args *)); 94 int isofs_getattr __P((struct vop_getattr_args *)); 95 int isofs_read __P((struct vop_read_args *)); 96 int isofs_ioctl __P((struct vop_ioctl_args *)); 97 int isofs_select __P((struct vop_select_args *)); 98 int isofs_mmap __P((struct vop_mmap_args *)); 99 int isofs_seek __P((struct vop_seek_args *)); 100 int isofs_readdir __P((struct vop_readdir_args *)); 101 int isofs_abortop __P((struct vop_abortop_args *)); 102 int isofs_inactive __P((struct vop_inactive_args *)); 103 int isofs_reclaim __P((struct vop_reclaim_args *)); 104 int isofs_bmap __P((struct vop_bmap_args *)); 105 int isofs_lock __P((struct vop_lock_args *)); 106 int isofs_unlock __P((struct vop_unlock_args *)); 107 int isofs_strategy __P((struct vop_strategy_args *)); 108 int isofs_print __P((struct vop_print_args *)); 109 int isofs_islocked __P((struct vop_islocked_args *)); 110 void isofs_defattr __P((struct iso_directory_record *, 111 struct iso_node *, struct buf *)); 112 void isofs_deftstamp __P((struct iso_directory_record *, 113 struct iso_node *, struct buf *)); 114 #ifdef ISODEVMAP 115 struct iso_dnode *iso_dmap __P((dev_t, ino_t, int)); 116 void iso_dunmap __P((dev_t)); 117 #endif 118