1 /* $NetBSD: ffs_extern.h,v 1.36.2.1 2004/05/23 10:44:57 tron Exp $ */
2
3 /*-
4 * Copyright (c) 1991, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95
32 */
33
34 #ifndef _UFS_FFS_FFS_EXTERN_H_
35 #define _UFS_FFS_FFS_EXTERN_H_
36
37 /*
38 * Sysctl values for the fast filesystem.
39 */
40 #define FFS_CLUSTERREAD 1 /* cluster reading enabled */
41 #define FFS_CLUSTERWRITE 2 /* cluster writing enabled */
42 #define FFS_REALLOCBLKS 3 /* block reallocation enabled */
43 #define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */
44 #define FFS_LOG_CHANGEOPT 5 /* log optimalization strategy change */
45 #define FFS_MAXID 6 /* number of valid ffs ids */
46
47 #define FFS_NAMES { \
48 { 0, 0 }, \
49 { "doclusterread", CTLTYPE_INT }, \
50 { "doclusterwrite", CTLTYPE_INT }, \
51 { "doreallocblks", CTLTYPE_INT }, \
52 { "doasyncfree", CTLTYPE_INT }, \
53 { "log_changeopt", CTLTYPE_INT }, \
54 }
55
56 struct buf;
57 struct fid;
58 struct fs;
59 struct inode;
60 struct ufs1_dinode;
61 struct ufs2_dinode;
62 struct mount;
63 struct nameidata;
64 struct proc;
65 struct statfs;
66 struct timeval;
67 struct ucred;
68 struct ufsmount;
69 struct uio;
70 struct vnode;
71 struct mbuf;
72 struct cg;
73
74 extern struct pool ffs_inode_pool; /* memory pool for inodes */
75 extern struct pool ffs_dinode1_pool; /* memory pool for UFS1 dinodes */
76 extern struct pool ffs_dinode2_pool; /* memory pool for UFS2 dinodes */
77
78 __BEGIN_DECLS
79
80 /* ffs_alloc.c */
81 int ffs_alloc __P((struct inode *, daddr_t, daddr_t , int, struct ucred *,
82 daddr_t *));
83 int ffs_realloccg __P((struct inode *, daddr_t, daddr_t, int, int ,
84 struct ucred *, struct buf **, daddr_t *));
85 int ffs_reallocblks __P((void *));
86 int ffs_valloc __P((void *));
87 daddr_t ffs_blkpref_ufs1 __P((struct inode *, daddr_t, int, int32_t *));
88 daddr_t ffs_blkpref_ufs2 __P((struct inode *, daddr_t, int, int64_t *));
89 void ffs_blkfree __P((struct inode *, daddr_t, long));
90 int ffs_vfree __P((void *));
91 void ffs_clusteracct __P((struct fs *, struct cg *, int32_t, int));
92
93 /* ffs_balloc.c */
94 int ffs_balloc __P((void *));
95
96 /* ffs_bswap.c */
97 void ffs_sb_swap __P((struct fs*, struct fs *));
98 void ffs_dinode1_swap __P((struct ufs1_dinode *, struct ufs1_dinode *));
99 void ffs_dinode2_swap __P((struct ufs2_dinode *, struct ufs2_dinode *));
100 void ffs_csum_swap __P((struct csum *, struct csum *, int));
101 void ffs_csumtotal_swap __P((struct csum_total *, struct csum_total *));
102 void ffs_cg_swap __P((struct cg *, struct cg *, struct fs *));
103
104 /* ffs_inode.c */
105 int ffs_update __P((void *));
106 int ffs_truncate __P((void *));
107
108 /* ffs_subr.c */
109 void ffs_load_inode __P((struct buf *, struct inode *, struct fs *, ino_t));
110 int ffs_blkatoff __P((void *));
111 int ffs_freefile __P((void *));
112 void ffs_fragacct __P((struct fs *, int, int32_t[], int, int));
113 #ifdef DIAGNOSTIC
114 void ffs_checkoverlap __P((struct buf *, struct inode *));
115 #endif
116 int ffs_isblock __P((struct fs *, u_char *, int32_t));
117 int ffs_isfreeblock __P((struct fs *, u_char *, int32_t));
118 void ffs_clrblock __P((struct fs *, u_char *, int32_t));
119 void ffs_setblock __P((struct fs *, u_char *, int32_t));
120
121 /* ffs_vfsops.c */
122 void ffs_init __P((void));
123 void ffs_reinit __P((void));
124 void ffs_done __P((void));
125 int ffs_mountroot __P((void));
126 int ffs_mount __P((struct mount *, const char *, void *, struct nameidata *,
127 struct proc *));
128 int ffs_reload __P((struct mount *, struct ucred *, struct proc *));
129 int ffs_mountfs __P((struct vnode *, struct mount *, struct proc *));
130 int ffs_unmount __P((struct mount *, int, struct proc *));
131 int ffs_flushfiles __P((struct mount *, int, struct proc *));
132 int ffs_statfs __P((struct mount *, struct statfs *, struct proc *));
133 int ffs_sync __P((struct mount *, int, struct ucred *, struct proc *));
134 int ffs_vget __P((struct mount *, ino_t, struct vnode **));
135 int ffs_fhtovp __P((struct mount *, struct fid *, struct vnode **));
136 int ffs_vptofh __P((struct vnode *, struct fid *));
137 int ffs_sbupdate __P((struct ufsmount *, int));
138 int ffs_cgupdate __P((struct ufsmount *, int));
139
140 /* ffs_appleufs.c */
141 u_int16_t ffs_appleufs_cksum __P((const struct appleufslabel *));
142 int ffs_appleufs_validate __P((const char*,const struct appleufslabel *,struct appleufslabel *));
143 void ffs_appleufs_set __P((struct appleufslabel *, const char *, time_t, uint64_t));
144
145
146 /* ffs_vnops.c */
147 int ffs_read __P((void *));
148 int ffs_write __P((void *));
149 int ffs_fsync __P((void *));
150 int ffs_reclaim __P((void *));
151 int ffs_getpages __P((void *));
152 int ffs_putpages __P((void *));
153 void ffs_gop_size __P((struct vnode *, off_t, off_t *, int));
154
155 #ifdef SYSCTL_SETUP_PROTO
156 SYSCTL_SETUP_PROTO(sysctl_vfs_ffs_setup);
157 #endif /* SYSCTL_SETUP_PROTO */
158
159 __END_DECLS
160
161
162 /*
163 * Soft dependency function prototypes.
164 */
165 void softdep_initialize __P((void));
166 void softdep_reinitialize __P((void));
167 int softdep_mount __P((struct vnode *, struct mount *, struct fs *,
168 struct ucred *));
169 int softdep_flushworklist __P((struct mount *, int *, struct proc *));
170 int softdep_flushfiles __P((struct mount *, int, struct proc *));
171 void softdep_update_inodeblock __P((struct inode *, struct buf *, int));
172 void softdep_load_inodeblock __P((struct inode *));
173 void softdep_freefile __P((void *));
174 void softdep_setup_freeblocks __P((struct inode *, off_t, int));
175 void softdep_setup_inomapdep __P((struct buf *, struct inode *, ino_t));
176 void softdep_setup_blkmapdep __P((struct buf *, struct fs *, daddr_t));
177 void softdep_setup_allocdirect __P((struct inode *, daddr_t, daddr_t,
178 daddr_t, long, long, struct buf *));
179 void softdep_setup_allocindir_meta __P((struct buf *, struct inode *,
180 struct buf *, int, daddr_t));
181 void softdep_setup_allocindir_page __P((struct inode *, daddr_t,
182 struct buf *, int, daddr_t, daddr_t, struct buf *));
183 void softdep_fsync_mountdev __P((struct vnode *));
184 int softdep_sync_metadata __P((void *));
185
186 extern int (**ffs_vnodeop_p) __P((void *));
187 extern int (**ffs_specop_p) __P((void *));
188 extern int (**ffs_fifoop_p) __P((void *));
189
190 #endif /* !_UFS_FFS_FFS_EXTERN_H_ */
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