summaryrefslogtreecommitdiff
path: root/sys/ufs/ffs/ffs_extern.h
blob: a9fdfd5846d58b4e39fedba2a73f35764687c3de (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
/*	$OpenBSD: ffs_extern.h,v 1.8 1999/12/05 08:30:38 art Exp $	*/
/*	$NetBSD: ffs_extern.h,v 1.4 1996/02/09 22:22:22 christos Exp $	*/

/*-
 * Copyright (c) 1991, 1993, 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.
 *
 *	@(#)ffs_extern.h	8.3 (Berkeley) 4/16/94
 */

#define FFS_CLUSTERREAD		1	/* cluster reading enabled */
#define FFS_CLUSTERWRITE	2	/* cluster writing enabled */
#define FFS_REALLOCBLKS		3	/* block reallocation enabled */
#define FFS_ASYNCFREE		4	/* asynchronous block freeing enabled */
#define	FFS_MAXID		5	/* number of valid ffs ids */

#define FFS_NAMES { \
	{ 0, 0 }, \
	{ "doclusterread", CTLTYPE_INT }, \
	{ "doclusterwrite", CTLTYPE_INT }, \
	{ "doreallocblks", CTLTYPE_INT }, \
	{ "doasyncfree", CTLTYPE_INT }, \
}


struct buf;
struct fid;
struct fs;
struct inode;
struct mount;
struct nameidata;
struct proc;
struct statfs;
struct timeval;
struct ucred;
struct ufsmount;
struct vfsconf;
struct uio;
struct vnode;
struct mbuf;
struct cg;
struct vop_vfree_args;

__BEGIN_DECLS

/* ffs_alloc.c */
int ffs_alloc __P((struct inode *, daddr_t, daddr_t , int, struct ucred *,
		   daddr_t *));
int ffs_realloccg __P((struct inode *, daddr_t, daddr_t, int, int ,
		       struct ucred *, struct buf **));
int ffs_reallocblks __P((void *));
int ffs_valloc __P((void *));
daddr_t ffs_blkpref __P((struct inode *, daddr_t, int, daddr_t *));
void ffs_blkfree __P((struct inode *, daddr_t, long));
int ffs_vfree __P((void *));
void ffs_clusteracct __P((struct fs *, struct cg *, daddr_t, int));

/* ffs_balloc.c */
int ffs_balloc __P((void *));

/* ffs_inode.c */
int ffs_init __P((struct vfsconf *));
int ffs_update __P((void *));
int ffs_truncate __P((void *));

/* ffs_subr.c */
int ffs_blkatoff __P((void *));
void ffs_fragacct __P((struct fs *, int, int32_t[], int));
#ifdef DIAGNOSTIC
void	ffs_checkoverlap __P((struct buf *, struct inode *));
#endif
int   ffs_freefile __P((struct vop_vfree_args *));
int   ffs_isfreeblock __P((struct fs *, unsigned char *, daddr_t));
int ffs_isblock __P((struct fs *, unsigned char *, daddr_t));
void ffs_clrblock __P((struct fs *, u_char *, daddr_t));
void ffs_setblock __P((struct fs *, unsigned char *, daddr_t));

/* ffs_vfsops.c */
int ffs_mountroot __P((void));
int ffs_mount __P((struct mount *, const char *, caddr_t, struct nameidata *,
		   struct proc *));
int ffs_reload __P((struct mount *, struct ucred *, struct proc *));
int ffs_mountfs __P((struct vnode *, struct mount *, struct proc *));
int ffs_oldfscompat __P((struct fs *));
int ffs_unmount __P((struct mount *, int, struct proc *));
int ffs_flushfiles __P((struct mount *, int, struct proc *));
int ffs_statfs __P((struct mount *, struct statfs *, struct proc *));
int ffs_sync __P((struct mount *, int, struct ucred *, struct proc *));
int ffs_vget __P((struct mount *, ino_t, struct vnode **));
int ffs_fhtovp __P((struct mount *, struct fid *, struct mbuf *,
		    struct vnode **, int *, struct ucred **));
int ffs_vptofh __P((struct vnode *, struct fid *));
int ffs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t,
		    struct proc *));
int ffs_sbupdate __P((struct ufsmount *, int));
int ffs_cgupdate __P((struct ufsmount *, int));

/* ffs_vnops.c */
int ffs_read __P((void *));
int ffs_write __P((void *));
int ffs_fsync __P((void *));
int ffs_reclaim __P((void *));


/*
 * Soft dependency function prototypes.
 */

struct vop_vfree_args;
struct vop_fsync_args;

void  softdep_initialize __P((void));
int   softdep_process_worklist __P((struct mount *));
int   softdep_mount __P((struct vnode *, struct mount *, struct fs *,
          struct ucred *));
int   softdep_flushfiles __P((struct mount *, int, struct proc *));
void  softdep_update_inodeblock __P((struct inode *, struct buf *, int));
void  softdep_load_inodeblock __P((struct inode *));
int   softdep_fsync __P((struct vnode *));
void  softdep_freefile __P((struct vop_vfree_args *));
void  softdep_setup_freeblocks __P((struct inode *, off_t));
void  softdep_deallocate_dependencies __P((struct buf *));
void  softdep_setup_inomapdep __P((struct buf *, struct inode *, ino_t));
void  softdep_setup_blkmapdep __P((struct buf *, struct fs *, daddr_t));
void  softdep_setup_allocdirect __P((struct inode *, ufs_lbn_t, daddr_t,
          daddr_t, long, long, struct buf *));
void  softdep_setup_allocindir_meta __P((struct buf *, struct inode *,
          struct buf *, int, daddr_t));
void  softdep_setup_allocindir_page __P((struct inode *, ufs_lbn_t,
          struct buf *, int, daddr_t, daddr_t, struct buf *));
void  softdep_disk_io_initiation __P((struct buf *));
void  softdep_disk_write_complete __P((struct buf *));
int   softdep_sync_metadata __P((struct vop_fsync_args *));
void  softdep_fsync_mountdev __P((struct vnode *));
__END_DECLS

extern int (**ffs_vnodeop_p) __P((void *));
extern int (**ffs_specop_p) __P((void *));
#ifdef FIFO
extern int (**ffs_fifoop_p) __P((void *));
#define FFS_FIFOOPS ffs_fifoop_p
#else
#define FFS_FIFOOPS NULL
#endif