1/* $NetBSD: lfs_user.h,v 1.2 2006/07/18 23:37:13 perseant Exp $ */
2/*-
3 * Copyright (c) 2003 The NetBSD Foundation, Inc.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to The NetBSD Foundation
7 * by Konrad E. Schroder <perseant@hhhh.org>.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include <stdarg.h>
32
33struct lfs;
34struct segsum;
35struct finfo;
36
37/*
38 * In the fsck code we don't need lfs_unlockvp, but we don't have a mount
39 * structure to give us the devvp.  Overload the unlockvp with devvp.
40 */
41#define lfs_devvp lfs_unlockvp
42
43/*
44 * This is outside of the kernel, so no locking primitives available.
45 */
46#undef simple_lock
47#undef simple_unlock
48
49#define simple_lock(arg)	/* empty */
50#define simple_unlock(arg)	/* empty */
51
52/*
53 * Structure used to pass around logical block paths generated by
54 * ufs_getlbns and used by truncate and bmap code.
55 */
56struct indir {
57	daddr_t in_lbn;		/* Logical block number. */
58	int in_off;		/* Offset in buffer. */
59	int in_exists;		/* Flag if the block exists. */
60};
61
62typedef int32_t ufs_daddr_t;
63
64/* Convert between inode pointers and vnode pointers. */
65#define	VTOI(vp)	((struct inode *)(vp)->v_data)
66#define VTOD(vp)	(VTOI(vp)->i_din.ffs1_din)
67
68#define sbdirty()	++fsdirty
69
70extern int fsdirty;
71extern struct uvnodelst vnodelist;
72
73int lfs_vop_strategy(struct ubuf *);
74int lfs_vop_bwrite(struct ubuf *);
75int lfs_vop_bmap(struct uvnode *, daddr_t, daddr_t *);
76
77struct uvnode *lfs_raw_vget(struct lfs *, ino_t, int, ufs_daddr_t);
78struct lfs *lfs_init(int, daddr_t, daddr_t, int, int);
79struct lfs *lfs_verify(struct lfs *, struct lfs *, struct uvnode *, int);
80int check_summary(struct lfs *, struct segsum *, ufs_daddr_t, int, struct uvnode *, void (*)(ufs_daddr_t, struct finfo *));
81ufs_daddr_t try_verify(struct lfs *, struct uvnode *, ufs_daddr_t, int);
82struct ufs1_dinode *lfs_ifind(struct lfs *, ino_t, struct ubuf *);
83void call_panic(const char *, ...);
84void my_vpanic(int, const char *, va_list);
85int extend_ifile(struct lfs *);
86struct uvnode *lfs_valloc(struct lfs *, ino_t);
87int lfs_balloc(struct uvnode *, off_t, int, struct ubuf **);
88