Annotation of sys/isofs/cd9660/cd9660_node.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: cd9660_node.h,v 1.17 2004/10/04 23:37:37 millert Exp $ */
! 2: /* $NetBSD: cd9660_node.h,v 1.15 1997/04/11 21:52:01 kleink Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1994
! 6: * The Regents of the University of California. All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to Berkeley
! 9: * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
! 10: * Support code is derived from software contributed to Berkeley
! 11: * by Atsushi Murai (amurai@spec.co.jp).
! 12: *
! 13: * Redistribution and use in source and binary forms, with or without
! 14: * modification, are permitted provided that the following conditions
! 15: * are met:
! 16: * 1. Redistributions of source code must retain the above copyright
! 17: * notice, this list of conditions and the following disclaimer.
! 18: * 2. Redistributions in binary form must reproduce the above copyright
! 19: * notice, this list of conditions and the following disclaimer in the
! 20: * documentation and/or other materials provided with the distribution.
! 21: * 3. Neither the name of the University nor the names of its contributors
! 22: * may be used to endorse or promote products derived from this software
! 23: * without specific prior written permission.
! 24: *
! 25: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 28: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 35: * SUCH DAMAGE.
! 36: *
! 37: * @(#)cd9660_node.h 8.4 (Berkeley) 12/5/94
! 38: */
! 39:
! 40: #include <sys/buf.h>
! 41:
! 42: #define doff_t u_quad_t
! 43:
! 44: typedef struct {
! 45: struct timespec iso_atime; /* time of last access */
! 46: struct timespec iso_mtime; /* time of last modification */
! 47: struct timespec iso_ctime; /* time file changed */
! 48: u_short iso_mode; /* files access mode and type */
! 49: uid_t iso_uid; /* owner user id */
! 50: gid_t iso_gid; /* owner group id */
! 51: short iso_links; /* links of file */
! 52: dev_t iso_rdev; /* Major/Minor number for special */
! 53: } ISO_RRIP_INODE;
! 54:
! 55: #ifdef ISODEVMAP
! 56: /*
! 57: * FOr device# (major,minor) translation table
! 58: */
! 59: struct iso_dnode {
! 60: struct iso_dnode *d_next, **d_prev; /* hash chain */
! 61: dev_t i_dev; /* device where dnode resides */
! 62: ino_t i_number; /* the identity of the inode */
! 63: dev_t d_dev; /* device # for translation */
! 64: };
! 65: #endif
! 66:
! 67: struct iso_node {
! 68: struct iso_node *i_next, **i_prev; /* hash chain */
! 69: struct vnode *i_vnode; /* vnode associated with this inode */
! 70: struct vnode *i_devvp; /* vnode for block I/O */
! 71: u_int i_flag; /* see below */
! 72: dev_t i_dev; /* device where inode resides */
! 73: ino_t i_number; /* the identity of the inode */
! 74: /* we use the actual starting block of the file */
! 75: struct iso_mnt *i_mnt; /* filesystem associated with this inode */
! 76: struct lockf *i_lockf; /* head of byte-level lock list */
! 77: doff_t i_endoff; /* end of useful stuff in directory */
! 78: doff_t i_diroff; /* offset in dir, where we found last entry */
! 79: doff_t i_offset; /* offset of free space in directory */
! 80: ino_t i_ino; /* inode number of found directory */
! 81: struct lock i_lock; /* node lock */
! 82:
! 83: doff_t iso_extent; /* extent of file */
! 84: doff_t i_size;
! 85: /*
! 86: * Actual start of data file (may be different from iso_extent, if the
! 87: * file has extended attributes).
! 88: */
! 89: doff_t iso_start;
! 90:
! 91: ISO_RRIP_INODE inode;
! 92: struct cluster_info i_ci;
! 93: };
! 94:
! 95: #define i_forw i_chain[0]
! 96: #define i_back i_chain[1]
! 97:
! 98: /* flags */
! 99: #define IN_ACCESS 0x0020 /* inode access time to be updated */
! 100:
! 101: #define VTOI(vp) ((struct iso_node *)(vp)->v_data)
! 102: #define ITOV(ip) ((ip)->i_vnode)
! 103:
! 104: /*
! 105: * Prototypes for ISOFS vnode operations
! 106: */
! 107: int cd9660_lookup(void *);
! 108: int cd9660_open(void *);
! 109: int cd9660_close(void *);
! 110: int cd9660_access(void *);
! 111: int cd9660_getattr(void *);
! 112: int cd9660_setattr(void *);
! 113: int cd9660_read(void *);
! 114: int cd9660_ioctl(void *);
! 115: int cd9660_poll(void *);
! 116: int cd9660_mmap(void *);
! 117: int cd9660_seek(void *);
! 118: int cd9660_readdir(void *);
! 119: int cd9660_readlink(void *);
! 120: int cd9660_abortop(void *);
! 121: int cd9660_inactive(void *);
! 122: int cd9660_reclaim(void *);
! 123: int cd9660_link(void *);
! 124: int cd9660_symlink(void *);
! 125: int cd9660_bmap(void *);
! 126: int cd9660_lock(void *);
! 127: int cd9660_unlock(void *);
! 128: int cd9660_strategy(void *);
! 129: int cd9660_print(void *);
! 130: int cd9660_islocked(void *);
! 131: int cd9660_pathconf(void *);
! 132:
! 133: int cd9660_bufatoff(struct iso_node *, off_t, char **, struct buf **);
! 134:
! 135: void cd9660_defattr(struct iso_directory_record *, struct iso_node *,
! 136: struct buf *);
! 137: void cd9660_deftstamp(struct iso_directory_record *, struct iso_node *,
! 138: struct buf *);
! 139: struct vnode *cd9660_ihashget(dev_t, ino_t);
! 140: int cd9660_ihashins(struct iso_node *);
! 141: void cd9660_ihashrem(struct iso_node *);
! 142: int cd9660_tstamp_conv7(u_char *, struct timespec *);
! 143: int cd9660_tstamp_conv17(u_char *, struct timespec *);
! 144: int cd9660_vget_internal(struct mount *, ino_t, struct vnode **, int,
! 145: struct iso_directory_record *);
! 146: ino_t isodirino(struct iso_directory_record *, struct iso_mnt *);
! 147: #ifdef ISODEVMAP
! 148: struct iso_dnode *iso_dmap(dev_t, ino_t, int);
! 149: void iso_dunmap(dev_t);
! 150: #endif
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