proc->thread stage 4: rework the VFS and DEVICE subsystems to take thread
[dragonfly.git] / sys / vfs / ufs / ffs_extern.h
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1/*-
2 * Copyright (c) 1991, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95
34 * $FreeBSD: src/sys/ufs/ffs/ffs_extern.h,v 1.30 2000/01/09 22:40:02 mckusick Exp $
dadab5e9 35 * $DragonFly: src/sys/vfs/ufs/ffs_extern.h,v 1.3 2003/06/25 03:56:11 dillon Exp $
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36 */
37
38#ifndef _UFS_FFS_EXTERN_H
39#define _UFS_FFS_EXTERN_H
40
41/*
42 * Sysctl values for the fast filesystem.
43 */
44#define FFS_REALLOCBLKS 3 /* block reallocation enabled */
45#define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */
46#define FFS_MAXID 5 /* number of valid ffs ids */
47
48#define FFS_NAMES { \
49 { 0, 0 }, \
50 { 0, 0 }, \
51 { 0, 0 }, \
52 { "doreallocblks", CTLTYPE_INT }, \
53 { "doasyncfree", CTLTYPE_INT }, \
54}
55
56struct buf;
57struct fid;
58struct fs;
59struct inode;
60struct malloc_type;
61struct mount;
62struct proc;
dadab5e9 63struct thread;
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64struct sockaddr;
65struct statfs;
66struct ucred;
67struct vnode;
68struct vop_balloc_args;
69struct vop_bmap_args;
70struct vop_fsync_args;
71struct vop_reallocblks_args;
72
73int ffs_alloc __P((struct inode *,
74 ufs_daddr_t, ufs_daddr_t, int, struct ucred *, ufs_daddr_t *));
75int ffs_balloc __P((struct vop_balloc_args *));
76int ffs_blkatoff __P((struct vnode *, off_t, char **, struct buf **));
77void ffs_blkfree __P((struct inode *, ufs_daddr_t, long));
78ufs_daddr_t ffs_blkpref __P((struct inode *, ufs_daddr_t, int, ufs_daddr_t *));
79int ffs_bmap __P((struct vop_bmap_args *));
80void ffs_clrblock __P((struct fs *, u_char *, ufs_daddr_t));
81int ffs_fhtovp __P((struct mount *, struct fid *, struct vnode **));
dadab5e9 82int ffs_flushfiles __P((struct mount *, int, struct thread *));
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83void ffs_fragacct __P((struct fs *, int, int32_t [], int));
84int ffs_freefile __P(( struct vnode *, ino_t, int ));
85int ffs_isblock __P((struct fs *, u_char *, ufs_daddr_t));
86int ffs_isfreeblock __P((struct fs *, unsigned char *, ufs_daddr_t));
dadab5e9 87int ffs_mountfs __P((struct vnode *, struct mount *, struct thread *,
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88 struct malloc_type *));
89int ffs_mountroot __P((void));
90int ffs_reallocblks __P((struct vop_reallocblks_args *));
91int ffs_realloccg __P((struct inode *,
92 ufs_daddr_t, ufs_daddr_t, int, int, struct ucred *, struct buf **));
93void ffs_setblock __P((struct fs *, u_char *, ufs_daddr_t));
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94int ffs_statfs __P((struct mount *, struct statfs *, struct thread *));
95int ffs_sync __P((struct mount *, int, struct ucred *, struct thread *));
96int ffs_truncate __P((struct vnode *, off_t, int, struct ucred *, struct thread *));
97int ffs_unmount __P((struct mount *, int, struct thread *));
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98int ffs_update __P((struct vnode *, int));
99int ffs_valloc __P((struct vnode *, int, struct ucred *, struct vnode **));
100
101int ffs_vfree __P((struct vnode *, ino_t, int));
102int ffs_vget __P((struct mount *, ino_t, struct vnode **));
103int ffs_vptofh __P((struct vnode *, struct fid *));
104
105extern vop_t **ffs_vnodeop_p;
106extern vop_t **ffs_specop_p;
107extern vop_t **ffs_fifoop_p;
108
109/*
110 * Soft update function prototypes.
111 */
112void softdep_initialize __P((void));
113int softdep_mount __P((struct vnode *, struct mount *, struct fs *,
114 struct ucred *));
dadab5e9 115int softdep_flushfiles __P((struct mount *, int, struct thread *));
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116void softdep_update_inodeblock __P((struct inode *, struct buf *, int));
117void softdep_load_inodeblock __P((struct inode *));
118void softdep_freefile __P((struct vnode *, ino_t, int));
119void softdep_setup_freeblocks __P((struct inode *, off_t));
120void softdep_setup_inomapdep __P((struct buf *, struct inode *, ino_t));
121void softdep_setup_blkmapdep __P((struct buf *, struct fs *, ufs_daddr_t));
122void softdep_setup_allocdirect __P((struct inode *, ufs_lbn_t, ufs_daddr_t,
123 ufs_daddr_t, long, long, struct buf *));
124void softdep_setup_allocindir_meta __P((struct buf *, struct inode *,
125 struct buf *, int, ufs_daddr_t));
126void softdep_setup_allocindir_page __P((struct inode *, ufs_lbn_t,
127 struct buf *, int, ufs_daddr_t, ufs_daddr_t, struct buf *));
128void softdep_fsync_mountdev __P((struct vnode *));
129int softdep_sync_metadata __P((struct vop_fsync_args *));
130
131#endif /* !_UFS_FFS_EXTERN_H */