xref: /netbsd/sbin/fsck_lfs/lfs_user.h (revision 17c417f1)
1 /* $NetBSD: lfs_user.h,v 1.7 2014/07/13 02:44:21 dholland 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 
33 struct lfs;
34 struct segsum;
35 struct 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 #define mutex_enter(mutex)	/* empty */
53 #define mutex_exit(mutex)	/* empty */
54 
55 /*
56  * Outside of the kernel use standard assertions
57  */
58 #define KASSERT assert
59 
60 /*
61  * Structure used to pass around logical block paths generated by
62  * ulfs_getlbns and used by truncate and bmap code.
63  */
64 struct indir {
65 	daddr_t in_lbn;		/* Logical block number. */
66 	int in_off;		/* Offset in buffer. */
67 	int in_exists;		/* Flag if the block exists. */
68 };
69 
70 typedef int32_t ulfs_daddr_t;
71 
72 /* Convert between inode pointers and vnode pointers. */
73 #define	VTOI(vp)	((struct inode *)(vp)->v_data)
74 #define VTOD(vp)	(VTOI(vp)->i_din.ffs1_din)
75 
76 #define sbdirty()	++fsdirty
77 
78 extern int fsdirty;
79 extern struct uvnodelst vnodelist;
80 
81 int lfs_vop_strategy(struct ubuf *);
82 int lfs_vop_bwrite(struct ubuf *);
83 int lfs_vop_bmap(struct uvnode *, daddr_t, daddr_t *);
84 
85 struct uvnode *lfs_raw_vget(struct lfs *, ino_t, int, ulfs_daddr_t);
86 struct lfs *lfs_init(int, daddr_t, daddr_t, int, int);
87 struct lfs *lfs_verify(struct lfs *, struct lfs *, struct uvnode *, int);
88 int check_summary(struct lfs *, struct segsum *, ulfs_daddr_t, int, struct uvnode *, void (*)(ulfs_daddr_t, struct finfo *));
89 ulfs_daddr_t try_verify(struct lfs *, struct uvnode *, ulfs_daddr_t, int);
90 struct ulfs1_dinode *lfs_ifind(struct lfs *, ino_t, struct ubuf *);
91 void call_panic(const char *, ...);
92 void my_vpanic(int, const char *, va_list);
93 int extend_ifile(struct lfs *);
94 struct uvnode *lfs_valloc(struct lfs *, ino_t);
95 int lfs_balloc(struct uvnode *, off_t, int, struct ubuf **);
96