NetBSD/sys/filecorefs/filecore_node.h

116 lines
4.7 KiB
C

/* $NetBSD: filecore_node.h,v 1.2 1998/08/14 18:04:07 mark Exp $ */
/*-
* Copyright (c) 1998 Andrew McMurry
* Copyright (c) 1994 The Regents of the University of California.
* All rights reserved.
*
* 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.
*
* filecore_node.h 1.1 1998/6/26
*/
/*
* In a future format, directories may 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
struct filecore_node {
struct filecore_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 */
daddr_t i_block; /* the disc address of the file */
ino_t i_parent; /* the ino of the file's parent */
struct filecore_mnt *i_mnt; /* filesystem associated with this inode */
struct lockf *i_lockf; /* head of byte-level lock list */
struct lock i_lock; /* node lock */
int i_diroff; /* offset in dir, where we found last entry */
struct filecore_direntry i_dirent; /* directory entry */
};
#define i_forw i_chain[0]
#define i_back i_chain[1]
#define i_size i_dirent.len
/* flags */
#define IN_ACCESS 0x0020 /* inode access time to be updated */
#define VTOI(vp) ((struct filecore_node *)(vp)->v_data)
#define ITOV(ip) ((ip)->i_vnode)
#define filecore_staleinode(ip) ((ip)->i_dirent.name[0]==0)
/*
* Prototypes for Filecore vnode operations
*/
int filecore_lookup __P((void *));
#define filecore_open genfs_nullop
#define filecore_close genfs_nullop
int filecore_access __P((void *));
int filecore_getattr __P((void *));
int filecore_read __P((void *));
#define filecore_poll genfs_poll
int filecore_mmap __P((void *));
#define filecore_seek genfs_seek
int filecore_readdir __P((void *));
int filecore_readlink __P((void *));
#define filecore_abortop genfs_abortop
int filecore_inactive __P((void *));
int filecore_reclaim __P((void *));
int filecore_link __P((void *));
int filecore_symlink __P((void *));
int filecore_bmap __P((void *));
int filecore_lock __P((void *));
int filecore_unlock __P((void *));
int filecore_strategy __P((void *));
int filecore_print __P((void *));
int filecore_islocked __P((void *));
int filecore_pathconf __P((void *));
int filecore_blkatoff __P((void *));
struct vnode *filecore_ihashget __P((dev_t, ino_t));
void filecore_ihashins __P((struct filecore_node *));
void filecore_ihashrem __P((struct filecore_node *));
mode_t filecore_mode __P((struct filecore_node *));
struct timespec filecore_time __P((struct filecore_node *));
ino_t filecore_getparent __P((struct filecore_node *));
int filecore_fn2unix __P((char *, char *, u_int8_t *));
int filecore_fncmp __P((const char *, const char *, u_short));
int filecore_dbread __P((struct filecore_node *, struct buf **));