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126 lines
5.0 KiB
C
126 lines
5.0 KiB
C
/*-
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* Copyright (c) 1994
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley
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* by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
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* Support code is derived from software contributed to Berkeley
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* by Atsushi Murai (amurai@spec.co.jp).
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)cd9660_node.h 8.6 (Berkeley) 5/14/95
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* $FreeBSD$
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*/
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/*
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* Theoretically, directories can be more than 2Gb in length,
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* however, in practice this seems unlikely. So, we define
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* the type doff_t as a long to keep down the cost of doing
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* lookup on a 32-bit machine. If you are porting to a 64-bit
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* architecture, you should make doff_t the same as off_t.
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*/
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#define doff_t long
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typedef struct {
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struct timespec iso_atime; /* time of last access */
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struct timespec iso_mtime; /* time of last modification */
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struct timespec iso_ctime; /* time file changed */
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u_short iso_mode; /* files access mode and type */
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uid_t iso_uid; /* owner user id */
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gid_t iso_gid; /* owner group id */
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short iso_links; /* links of file */
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udev_t iso_rdev; /* Major/Minor number for special */
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} ISO_RRIP_INODE;
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struct iso_node {
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struct iso_node *i_next, **i_prev; /* hash chain */
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struct vnode *i_vnode; /* vnode associated with this inode */
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struct vnode *i_devvp; /* vnode for block I/O */
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u_long i_flag; /* see below */
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dev_t i_dev; /* device where inode resides */
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ino_t i_number; /* the identity of the inode */
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/* we use the actual starting block of the file */
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struct iso_mnt *i_mnt; /* filesystem associated with this inode */
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struct lockf *i_lockf; /* head of byte-level lock list */
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doff_t i_endoff; /* end of useful stuff in directory */
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doff_t i_diroff; /* offset in dir, where we found last entry */
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doff_t i_offset; /* offset of free space in directory */
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ino_t i_ino; /* inode number of found directory */
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long iso_extent; /* extent of file */
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long i_size;
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long iso_start; /* actual start of data of file (may be different */
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/* from iso_extent, if file has extended attributes) */
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ISO_RRIP_INODE inode;
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};
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#define i_forw i_chain[0]
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#define i_back i_chain[1]
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/* flags */
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#define IN_ACCESS 0x0020 /* inode access time to be updated */
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#define VTOI(vp) ((struct iso_node *)(vp)->v_data)
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#define ITOV(ip) ((ip)->i_vnode)
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#ifdef _KERNEL
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#ifdef MALLOC_DECLARE
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MALLOC_DECLARE(M_ISOFSMNT);
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MALLOC_DECLARE(M_ISOFSNODE);
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#endif
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struct buf;
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struct vop_bmap_args;
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struct vop_cachedlookup_args;
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struct vop_inactive_args;
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struct vop_reclaim_args;
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/*
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* Prototypes for ISOFS vnode operations
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*/
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int cd9660_lookup __P((struct vop_cachedlookup_args *));
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int cd9660_inactive __P((struct vop_inactive_args *));
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int cd9660_reclaim __P((struct vop_reclaim_args *));
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int cd9660_bmap __P((struct vop_bmap_args *));
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int cd9660_blkatoff __P((struct vnode *vp, off_t offset, char **res, struct buf **bpp));
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void cd9660_defattr __P((struct iso_directory_record *,
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struct iso_node *, struct buf *, enum ISO_FTYPE));
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void cd9660_deftstamp __P((struct iso_directory_record *,
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struct iso_node *, struct buf *, enum ISO_FTYPE));
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struct vnode *cd9660_ihashget __P((dev_t, ino_t));
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void cd9660_ihashins __P((struct iso_node *));
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int cd9660_tstamp_conv7 __P((u_char *, struct timespec *, enum ISO_FTYPE));
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int cd9660_tstamp_conv17 __P((u_char *, struct timespec *));
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#endif /* _KERNEL */
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