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
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/* $OpenBSD: ffs_extern.h,v 1.19 2002/03/14 01:27:14 millert 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_MAX_SOFTDEPS 5 /* maximum structs before slowdown */
#define FFS_SD_TICKDELAY 6 /* ticks to pause during slowdown */
#define FFS_SD_WORKLIST_PUSH 7 /* # of worklist cleanups */
#define FFS_SD_BLK_LIMIT_PUSH 8 /* # of times block limit neared */
#define FFS_SD_INO_LIMIT_PUSH 9 /* # of times inode limit neared */
#define FFS_SD_BLK_LIMIT_HIT 10 /* # of times block slowdown imposed */
#define FFS_SD_INO_LIMIT_HIT 11 /* # of times inode slowdown imposed */
#define FFS_SD_SYNC_LIMIT_HIT 12 /* # of synchronous slowdowns imposed */
#define FFS_SD_INDIR_BLK_PTRS 13 /* bufs redirtied as indir ptrs not written */
#define FFS_SD_INODE_BITMAP 14 /* bufs redirtied as inode bitmap not written */
#define FFS_SD_DIRECT_BLK_PTRS 15 /* bufs redirtied as direct ptrs not written */
#define FFS_SD_DIR_ENTRY 16 /* bufs redirtied as dir entry cannot write */
#define FFS_MAXID 17 /* number of valid ffs ids */
#define FFS_NAMES { \
{ 0, 0 }, \
{ "doclusterread", CTLTYPE_INT }, \
{ "doclusterwrite", CTLTYPE_INT }, \
{ "doreallocblks", CTLTYPE_INT }, \
{ "doasyncfree", CTLTYPE_INT }, \
{ "max_softdeps", CTLTYPE_INT }, \
{ "sd_tickdelay", CTLTYPE_INT }, \
{ "sd_worklist_push", CTLTYPE_INT }, \
{ "sd_blk_limit_push", CTLTYPE_INT }, \
{ "sd_ino_limit_push", CTLTYPE_INT }, \
{ "sd_blk_limit_hit", CTLTYPE_INT }, \
{ "sd_ino_limit_hit", CTLTYPE_INT }, \
{ "sd_sync_limit_hit", CTLTYPE_INT }, \
{ "sd_indir_blk_ptrs", CTLTYPE_INT }, \
{ "sd_inode_bitmap", CTLTYPE_INT }, \
{ "sd_direct_blk_ptrs", CTLTYPE_INT }, \
{ "sd_dir_entry", 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(struct inode *, daddr_t, daddr_t , int, struct ucred *,
daddr_t *);
int ffs_realloccg(struct inode *, daddr_t, daddr_t, int, int ,
struct ucred *, struct buf **, daddr_t *);
int ffs_reallocblks(void *);
int ffs_inode_alloc(struct inode *, int, struct ucred *, struct vnode **);
int ffs_inode_free(struct inode *, ino_t, int);
int ffs_freefile(struct inode *, ino_t, int);
daddr_t ffs_blkpref(struct inode *, daddr_t, int, daddr_t *);
void ffs_blkfree(struct inode *, daddr_t, long);
void ffs_clusteracct(struct fs *, struct cg *, daddr_t, int);
/* ffs_balloc.c */
int ffs_balloc(struct inode *, off_t, int, struct ucred *, int, struct buf **);
/* ffs_inode.c */
int ffs_init(struct vfsconf *);
int ffs_update(struct inode *, struct timespec *, struct timespec *, int);
int ffs_truncate(struct inode *, off_t, int, struct ucred *);
/* ffs_subr.c */
int ffs_bufatoff(struct inode *, off_t, char **, struct buf **);
void ffs_fragacct(struct fs *, int, int32_t[], int);
#ifdef DIAGNOSTIC
void ffs_checkoverlap(struct buf *, struct inode *);
#endif
int ffs_isfreeblock(struct fs *, unsigned char *, daddr_t);
int ffs_isblock(struct fs *, unsigned char *, daddr_t);
void ffs_clrblock(struct fs *, u_char *, daddr_t);
void ffs_setblock(struct fs *, unsigned char *, daddr_t);
/* ffs_vfsops.c */
int ffs_mountroot(void);
int ffs_mount(struct mount *, const char *, void *, struct nameidata *,
struct proc *);
int ffs_reload(struct mount *, struct ucred *, struct proc *);
int ffs_mountfs(struct vnode *, struct mount *, struct proc *);
int ffs_oldfscompat(struct fs *);
int ffs_unmount(struct mount *, int, struct proc *);
int ffs_flushfiles(struct mount *, int, struct proc *);
int ffs_statfs(struct mount *, struct statfs *, struct proc *);
int ffs_sync(struct mount *, int, struct ucred *, struct proc *);
int ffs_vget(struct mount *, ino_t, struct vnode **);
int ffs_fhtovp(struct mount *, struct fid *, struct vnode **);
int ffs_vptofh(struct vnode *, struct fid *);
int ffs_sysctl(int *, u_int, void *, size_t *, void *, size_t,
struct proc *);
int ffs_sbupdate(struct ufsmount *, int);
int ffs_cgupdate(struct ufsmount *, int);
/* ffs_vnops.c */
int ffs_read(void *);
int ffs_write(void *);
int ffs_fsync(void *);
int ffs_reclaim(void *);
/*
* Soft dependency function prototypes.
*/
struct vop_vfree_args;
struct vop_fsync_args;
void softdep_initialize(void);
int softdep_process_worklist(struct mount *);
int softdep_mount(struct vnode *, struct mount *, struct fs *,
struct ucred *);
int softdep_flushworklist(struct mount *, int *, struct proc *);
int softdep_flushfiles(struct mount *, int, struct proc *);
void softdep_update_inodeblock(struct inode *, struct buf *, int);
void softdep_load_inodeblock(struct inode *);
void softdep_freefile(struct vnode *, ino_t, int);
void softdep_setup_freeblocks(struct inode *, off_t);
void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t);
void softdep_setup_blkmapdep(struct buf *, struct fs *, ufs_daddr_t);
void softdep_setup_allocdirect(struct inode *, ufs_lbn_t, ufs_daddr_t,
ufs_daddr_t, long, long, struct buf *);
void softdep_setup_allocindir_meta(struct buf *, struct inode *,
struct buf *, int, ufs_daddr_t);
void softdep_setup_allocindir_page(struct inode *, ufs_lbn_t,
struct buf *, int, ufs_daddr_t, ufs_daddr_t, struct buf *);
void softdep_fsync_mountdev(struct vnode *);
int softdep_sync_metadata(struct vop_fsync_args *);
int softdep_fsync(struct vnode *vp);
__END_DECLS
extern int (**ffs_vnodeop_p)(void *);
extern int (**ffs_specop_p)(void *);
#ifdef FIFO
extern int (**ffs_fifoop_p)(void *);
#define FFS_FIFOOPS ffs_fifoop_p
#else
#define FFS_FIFOOPS NULL
#endif
extern struct pool ffs_ino_pool;
|