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/* $OpenBSD: cd9660_node.h,v 1.2 1996/02/29 10:12:21 niklas Exp $ */
/* $NetBSD: cd9660_node.h,v 1.11 1996/02/09 21:32:00 christos Exp $ */
/*-
* Copyright (c) 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley
* by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
* Support code is derived from software contributed to Berkeley
* by Atsushi Murai (amurai@spec.co.jp).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)cd9660_node.h 8.4 (Berkeley) 12/5/94
*/
/*
* Theoretically, directories can be more than 2Gb in length,
* however, in practice this seems unlikely. So, we define
* the type doff_t as a long to keep down the cost of doing
* lookup on a 32-bit machine. If you are porting to a 64-bit
* architecture, you should make doff_t the same as off_t.
*/
#define doff_t long
typedef struct {
struct timespec iso_atime; /* time of last access */
struct timespec iso_mtime; /* time of last modification */
struct timespec iso_ctime; /* time file changed */
u_short iso_mode; /* files access mode and type */
uid_t iso_uid; /* owner user id */
gid_t iso_gid; /* owner group id */
short iso_links; /* links of file */
dev_t iso_rdev; /* Major/Minor number for special */
} ISO_RRIP_INODE;
#ifdef ISODEVMAP
/*
* FOr device# (major,minor) translation table
*/
struct iso_dnode {
struct iso_dnode *d_next, **d_prev; /* hash chain */
dev_t i_dev; /* device where dnode resides */
ino_t i_number; /* the identity of the inode */
dev_t d_dev; /* device # for translation */
};
#endif
struct iso_node {
struct iso_node *i_next, **i_prev; /* hash chain */
struct vnode *i_vnode; /* vnode associated with this inode */
struct vnode *i_devvp; /* vnode for block I/O */
u_long i_flag; /* see below */
dev_t i_dev; /* device where inode resides */
ino_t i_number; /* the identity of the inode */
/* we use the actual starting block of the file */
struct iso_mnt *i_mnt; /* filesystem associated with this inode */
struct lockf *i_lockf; /* head of byte-level lock list */
doff_t i_endoff; /* end of useful stuff in directory */
doff_t i_diroff; /* offset in dir, where we found last entry */
doff_t i_offset; /* offset of free space in directory */
ino_t i_ino; /* inode number of found directory */
pid_t i_lockholder, i_lockwaiter;
long iso_extent; /* extent of file */
long i_size;
long iso_start; /* actual start of data of file (may be different */
/* from iso_extent, if file has extended attributes) */
ISO_RRIP_INODE inode;
};
#define i_forw i_chain[0]
#define i_back i_chain[1]
/* flags */
#define IN_LOCKED 0x0001 /* inode is locked */
#define IN_WANTED 0x0002 /* some process waiting on lock */
#define IN_ACCESS 0x0020 /* inode access time to be updated */
#define VTOI(vp) ((struct iso_node *)(vp)->v_data)
#define ITOV(ip) ((ip)->i_vnode)
/*
* Prototypes for ISOFS vnode operations
*/
int cd9660_enotsupp __P((void *));
int cd9660_lookup __P((void *));
int cd9660_open __P((void *));
int cd9660_close __P((void *));
int cd9660_access __P((void *));
int cd9660_getattr __P((void *));
int cd9660_read __P((void *));
int cd9660_ioctl __P((void *));
int cd9660_select __P((void *));
int cd9660_mmap __P((void *));
int cd9660_seek __P((void *));
int cd9660_readdir __P((void *));
int cd9660_readlink __P((void *));
int cd9660_abortop __P((void *));
int cd9660_inactive __P((void *));
int cd9660_reclaim __P((void *));
int cd9660_link __P((void *));
int cd9660_symlink __P((void *));
int cd9660_bmap __P((void *));
int cd9660_lock __P((void *));
int cd9660_unlock __P((void *));
int cd9660_strategy __P((void *));
int cd9660_print __P((void *));
int cd9660_islocked __P((void *));
int cd9660_pathconf __P((void *));
int cd9660_blkatoff __P((void *));
void cd9660_defattr __P((struct iso_directory_record *,
struct iso_node *, struct buf *));
void cd9660_deftstamp __P((struct iso_directory_record *,
struct iso_node *, struct buf *));
struct vnode *cd9660_ihashget __P((dev_t, ino_t));
void cd9660_ihashins __P((struct iso_node *));
void cd9660_ihashrem __P((struct iso_node *));
int cd9660_tstamp_conv7 __P((u_char *, struct timespec *));
int cd9660_tstamp_conv17 __P((u_char *, struct timespec *));
int cd9660_vget_internal __P((struct mount *, ino_t, struct vnode **, int,
struct iso_directory_record *));
ino_t isodirino __P((struct iso_directory_record *, struct iso_mnt *));
#ifdef ISODEVMAP
struct iso_dnode *iso_dmap __P((dev_t, ino_t, int));
void iso_dunmap __P((dev_t));
#endif
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