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
|
/* $OpenBSD: vfs_init.c,v 1.30 2012/08/23 06:12:49 deraadt Exp $ */
/* $NetBSD: vfs_init.c,v 1.6 1996/02/09 19:00:58 christos Exp $ */
/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed
* to Berkeley by John Heidemann of the UCLA Ficus project.
*
* Source: * @(#)i405_init.c 2.10 92/04/27 UCLA Ficus project
*
* 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. 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.
*
* @(#)vfs_init.c 8.3 (Berkeley) 1/4/94
*/
#include <sys/param.h>
#include <sys/mount.h>
#include <sys/vnode.h>
#include <sys/systm.h>
#include <sys/pool.h>
struct pool namei_pool;
/* This defines the root filesystem. */
struct vnode *rootvnode;
/* Set up the filesystem operations for vnodes. */
#ifdef FFS
extern const struct vfsops ffs_vfsops;
#endif
#ifdef MFS
extern const struct vfsops mfs_vfsops;
#endif
#ifdef MSDOSFS
extern const struct vfsops msdosfs_vfsops;
#endif
#ifdef NFSCLIENT
extern const struct vfsops nfs_vfsops;
#endif
#ifdef PROCFS
extern const struct vfsops procfs_vfsops;
#endif
#ifdef CD9660
extern const struct vfsops cd9660_vfsops;
#endif
#ifdef EXT2FS
extern const struct vfsops ext2fs_vfsops;
#endif
#ifdef NTFS
extern const struct vfsops ntfs_vfsops;
#endif
#ifdef UDF
extern const struct vfsops udf_vfsops;
#endif
/* Set up the filesystem operations for vnodes. */
static struct vfsconf vfsconflist[] = {
#ifdef FFS
{ &ffs_vfsops, MOUNT_FFS, 1, 0, MNT_LOCAL, NULL },
#endif
#ifdef MFS
{ &mfs_vfsops, MOUNT_MFS, 3, 0, MNT_LOCAL, NULL },
#endif
#ifdef EXT2FS
{ &ext2fs_vfsops, MOUNT_EXT2FS, 17, 0, MNT_LOCAL, NULL },
#endif
#ifdef CD9660
{ &cd9660_vfsops, MOUNT_CD9660, 14, 0, MNT_LOCAL, NULL },
#endif
#ifdef MSDOSFS
{ &msdosfs_vfsops, MOUNT_MSDOS, 4, 0, MNT_LOCAL, NULL },
#endif
#ifdef NFSCLIENT
{ &nfs_vfsops, MOUNT_NFS, 2, 0, 0, NULL },
#endif
#ifdef PROCFS
{ &procfs_vfsops, MOUNT_PROCFS, 12, 0, 0, NULL },
#endif
#ifdef NTFS
{ &ntfs_vfsops, MOUNT_NTFS, 6, 0, MNT_LOCAL, NULL },
#endif
#ifdef UDF
{ &udf_vfsops, MOUNT_UDF, 13, 0, MNT_LOCAL, NULL },
#endif
};
/*
* Initially the size of the list, vfsinit will set maxvfsconf
* to the highest defined type number.
*/
int maxvfsconf = sizeof(vfsconflist) / sizeof(struct vfsconf);
struct vfsconf *vfsconf = vfsconflist;
/* Initialize the vnode structures and initialize each file system type. */
void
vfsinit(void)
{
int i;
struct vfsconf *vfsconflist;
int vfsconflistlen;
pool_init(&namei_pool, MAXPATHLEN, 0, 0, 0, "namei",
&pool_allocator_nointr);
/* Initialize the vnode table. */
vntblinit();
/* Initialize the vnode name cache. */
nchinit();
/*
* Stop using vfsconf and maxvfsconf as a temporary storage,
* set them to their correct values now.
*/
vfsconflist = vfsconf;
vfsconflistlen = maxvfsconf;
vfsconf = NULL;
maxvfsconf = 0;
for (i = 0; i < vfsconflistlen; i++)
vfs_register(&vfsconflist[i]);
}
|
