1*65789Smckusick /*- 2*65789Smckusick * Copyright (c) 1994 3*65789Smckusick * The Regents of the University of California. All rights reserved. 4*65789Smckusick * 5*65789Smckusick * This code is derived from software contributed to Berkeley 6*65789Smckusick * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension 7*65789Smckusick * Support code is derived from software contributed to Berkeley 8*65789Smckusick * by Atsushi Murai (amurai@spec.co.jp). 9*65789Smckusick * 10*65789Smckusick * %sccs.include.redist.c% 11*65789Smckusick * 12*65789Smckusick * @(#)cd9660_node.h 8.1 (Berkeley) 01/21/94 13*65789Smckusick */ 14*65789Smckusick 15*65789Smckusick /* 16*65789Smckusick * Theoretically, directories can be more than 2Gb in length, 17*65789Smckusick * however, in practice this seems unlikely. So, we define 18*65789Smckusick * the type doff_t as a long to keep down the cost of doing 19*65789Smckusick * lookup on a 32-bit machine. If you are porting to a 64-bit 20*65789Smckusick * architecture, you should make doff_t the same as off_t. 21*65789Smckusick */ 22*65789Smckusick #define doff_t long 23*65789Smckusick 24*65789Smckusick typedef struct { 25*65789Smckusick struct timespec iso_atime; /* time of last access */ 26*65789Smckusick struct timespec iso_mtime; /* time of last modification */ 27*65789Smckusick struct timespec iso_ctime; /* time file changed */ 28*65789Smckusick u_short iso_mode; /* files access mode and type */ 29*65789Smckusick uid_t iso_uid; /* owner user id */ 30*65789Smckusick gid_t iso_gid; /* owner group id */ 31*65789Smckusick short iso_links; /* links of file */ 32*65789Smckusick dev_t iso_rdev; /* Major/Minor number for special */ 33*65789Smckusick } ISO_RRIP_INODE; 34*65789Smckusick 35*65789Smckusick #ifdef ISODEVMAP 36*65789Smckusick /* 37*65789Smckusick * FOr device# (major,minor) translation table 38*65789Smckusick */ 39*65789Smckusick struct iso_dnode { 40*65789Smckusick struct iso_dnode *d_chain[2]; /* hash chain, MUST be first */ 41*65789Smckusick dev_t i_dev; /* device where dnode resides */ 42*65789Smckusick ino_t i_number; /* the identity of the inode */ 43*65789Smckusick dev_t d_dev; /* device # for translation */ 44*65789Smckusick }; 45*65789Smckusick #define d_forw d_chain[0] 46*65789Smckusick #define d_back d_chain[1] 47*65789Smckusick #endif 48*65789Smckusick 49*65789Smckusick struct iso_node { 50*65789Smckusick struct iso_node *i_chain[2]; /* hash chain, MUST be first */ 51*65789Smckusick struct vnode *i_vnode; /* vnode associated with this inode */ 52*65789Smckusick struct vnode *i_devvp; /* vnode for block I/O */ 53*65789Smckusick u_long i_flag; /* see below */ 54*65789Smckusick dev_t i_dev; /* device where inode resides */ 55*65789Smckusick ino_t i_number; /* the identity of the inode */ 56*65789Smckusick /* we use the actual starting block of the file */ 57*65789Smckusick struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 58*65789Smckusick struct lockf *i_lockf; /* head of byte-level lock list */ 59*65789Smckusick doff_t i_endoff; /* end of useful stuff in directory */ 60*65789Smckusick doff_t i_diroff; /* offset in dir, where we found last entry */ 61*65789Smckusick doff_t i_offset; /* offset of free space in directory */ 62*65789Smckusick ino_t i_ino; /* inode number of found directory */ 63*65789Smckusick long i_spare0; 64*65789Smckusick long i_spare1; 65*65789Smckusick 66*65789Smckusick long iso_extent; /* extent of file */ 67*65789Smckusick long i_size; 68*65789Smckusick long iso_start; /* actual start of data of file (may be different */ 69*65789Smckusick /* from iso_extent, if file has extended attributes) */ 70*65789Smckusick ISO_RRIP_INODE inode; 71*65789Smckusick }; 72*65789Smckusick 73*65789Smckusick #define i_forw i_chain[0] 74*65789Smckusick #define i_back i_chain[1] 75*65789Smckusick 76*65789Smckusick /* flags */ 77*65789Smckusick #define ILOCKED 0x0001 /* inode is locked */ 78*65789Smckusick #define IWANT 0x0002 /* some process waiting on lock */ 79*65789Smckusick #define IACC 0x0020 /* inode access time to be updated */ 80*65789Smckusick 81*65789Smckusick #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 82*65789Smckusick #define ITOV(ip) ((ip)->i_vnode) 83*65789Smckusick 84*65789Smckusick #define ISO_ILOCK(ip) iso_ilock(ip) 85*65789Smckusick #define ISO_IUNLOCK(ip) iso_iunlock(ip) 86*65789Smckusick 87*65789Smckusick /* 88*65789Smckusick * Prototypes for ISOFS vnode operations 89*65789Smckusick */ 90*65789Smckusick int isofs_lookup __P((struct vop_lookup_args *)); 91*65789Smckusick int isofs_open __P((struct vop_open_args *)); 92*65789Smckusick int isofs_close __P((struct vop_close_args *)); 93*65789Smckusick int isofs_access __P((struct vop_access_args *)); 94*65789Smckusick int isofs_getattr __P((struct vop_getattr_args *)); 95*65789Smckusick int isofs_read __P((struct vop_read_args *)); 96*65789Smckusick int isofs_ioctl __P((struct vop_ioctl_args *)); 97*65789Smckusick int isofs_select __P((struct vop_select_args *)); 98*65789Smckusick int isofs_mmap __P((struct vop_mmap_args *)); 99*65789Smckusick int isofs_seek __P((struct vop_seek_args *)); 100*65789Smckusick int isofs_readdir __P((struct vop_readdir_args *)); 101*65789Smckusick int isofs_abortop __P((struct vop_abortop_args *)); 102*65789Smckusick int isofs_inactive __P((struct vop_inactive_args *)); 103*65789Smckusick int isofs_reclaim __P((struct vop_reclaim_args *)); 104*65789Smckusick int isofs_bmap __P((struct vop_bmap_args *)); 105*65789Smckusick int isofs_lock __P((struct vop_lock_args *)); 106*65789Smckusick int isofs_unlock __P((struct vop_unlock_args *)); 107*65789Smckusick int isofs_strategy __P((struct vop_strategy_args *)); 108*65789Smckusick int isofs_print __P((struct vop_print_args *)); 109*65789Smckusick int isofs_islocked __P((struct vop_islocked_args *)); 110*65789Smckusick void isofs_defattr __P((struct iso_directory_record *, 111*65789Smckusick struct iso_node *, struct buf *)); 112*65789Smckusick void isofs_deftstamp __P((struct iso_directory_record *, 113*65789Smckusick struct iso_node *, struct buf *)); 114*65789Smckusick #ifdef ISODEVMAP 115*65789Smckusick struct iso_dnode *iso_dmap __P((dev_t, ino_t, int)); 116*65789Smckusick void iso_dunmap __P((dev_t)); 117*65789Smckusick #endif 118