diff options
Diffstat (limited to 'sys/fs/cd9660/cd9660_node.h')
| -rw-r--r-- | sys/fs/cd9660/cd9660_node.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/sys/fs/cd9660/cd9660_node.h b/sys/fs/cd9660/cd9660_node.h new file mode 100644 index 0000000..0409efe --- /dev/null +++ b/sys/fs/cd9660/cd9660_node.h @@ -0,0 +1,126 @@ +/*- + * 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 8.6 (Berkeley) 5/14/95 + * $FreeBSD$ + */ + +/* + * 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 */ + udev_t iso_rdev; /* Major/Minor number for special */ +} ISO_RRIP_INODE; + + +struct iso_node { + struct lock i_lock; /* node lock > Keep this first< */ + 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 */ + + 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_ACCESS 0x0020 /* inode access time to be updated */ + +#define VTOI(vp) ((struct iso_node *)(vp)->v_data) +#define ITOV(ip) ((ip)->i_vnode) + +#ifdef KERNEL + +#ifdef MALLOC_DECLARE +MALLOC_DECLARE(M_ISOFSMNT); +MALLOC_DECLARE(M_ISOFSNODE); +#endif + +struct buf; +struct vop_bmap_args; +struct vop_cachedlookup_args; +struct vop_inactive_args; +struct vop_reclaim_args; + +/* + * Prototypes for ISOFS vnode operations + */ +int cd9660_lookup __P((struct vop_cachedlookup_args *)); +int cd9660_inactive __P((struct vop_inactive_args *)); +int cd9660_reclaim __P((struct vop_reclaim_args *)); +int cd9660_bmap __P((struct vop_bmap_args *)); +int cd9660_blkatoff __P((struct vnode *vp, off_t offset, char **res, struct buf **bpp)); + +void cd9660_defattr __P((struct iso_directory_record *, + struct iso_node *, struct buf *, enum ISO_FTYPE)); +void cd9660_deftstamp __P((struct iso_directory_record *, + struct iso_node *, struct buf *, enum ISO_FTYPE)); +struct vnode *cd9660_ihashget __P((dev_t, ino_t)); +void cd9660_ihashins __P((struct iso_node *)); +int cd9660_tstamp_conv7 __P((u_char *, struct timespec *, enum ISO_FTYPE)); +int cd9660_tstamp_conv17 __P((u_char *, struct timespec *)); + +#endif /* KERNEL */ |
