1/*
2 * modified for EXT2FS support in Lites 1.1
3 *
4 * Aug 1995, Godmar Back (gback@cs.utah.edu)
5 * University of Utah, Department of Computer Science
6 */
7/*
8 * Copyright (c) 1982, 1986, 1989, 1993
9 * The Regents of the University of California. All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 * @(#)ext2_vnops.c 8.7 (Berkeley) 2/3/94
40 */
41
42#if !defined(__FreeBSD__)
43#include "fifo.h"
44#include "diagnostic.h"
45#endif
46
47#include <sys/param.h>
48#include <sys/systm.h>
49#include <sys/resourcevar.h>
50#include <sys/kernel.h>
51#include <sys/stat.h>
52#include <sys/buf.h>
53#include <sys/proc.h>
54#include <sys/mount.h>
55#include <sys/sysctl.h>
56#include <sys/time.h>
57#include <sys/vnode.h>
58
59#include <vm/vm.h>
60#include <vm/vm_extern.h>
61
62#include <miscfs/specfs/specdev.h>
63#include <miscfs/fifofs/fifo.h>
64
65#if !defined(__FreeBSD__)
66#include <ufs/ufs/lockf.h>
67#else
68#include <sys/signalvar.h>
69#endif
70#include <ufs/ufs/quota.h>
71#include <ufs/ufs/inode.h>
72#include <ufs/ufs/ufs_extern.h>
73#include <ufs/ffs/ffs_extern.h>
74
75#include <gnu/ext2fs/ext2_fs_sb.h>
76#include <gnu/ext2fs/fs.h>
77#include <gnu/ext2fs/ext2_extern.h>
78
79static int ext2_fsync __P((struct vop_fsync_args *));
80static int ext2_read __P((struct vop_read_args *));
81static int ext2_write __P((struct vop_write_args *));
82
83/* Global vfs data structures for ufs. */
84vop_t **ext2_vnodeop_p;
85static struct vnodeopv_entry_desc ext2_vnodeop_entries[] = {
| 1/*
2 * modified for EXT2FS support in Lites 1.1
3 *
4 * Aug 1995, Godmar Back (gback@cs.utah.edu)
5 * University of Utah, Department of Computer Science
6 */
7/*
8 * Copyright (c) 1982, 1986, 1989, 1993
9 * The Regents of the University of California. All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 * @(#)ext2_vnops.c 8.7 (Berkeley) 2/3/94
40 */
41
42#if !defined(__FreeBSD__)
43#include "fifo.h"
44#include "diagnostic.h"
45#endif
46
47#include <sys/param.h>
48#include <sys/systm.h>
49#include <sys/resourcevar.h>
50#include <sys/kernel.h>
51#include <sys/stat.h>
52#include <sys/buf.h>
53#include <sys/proc.h>
54#include <sys/mount.h>
55#include <sys/sysctl.h>
56#include <sys/time.h>
57#include <sys/vnode.h>
58
59#include <vm/vm.h>
60#include <vm/vm_extern.h>
61
62#include <miscfs/specfs/specdev.h>
63#include <miscfs/fifofs/fifo.h>
64
65#if !defined(__FreeBSD__)
66#include <ufs/ufs/lockf.h>
67#else
68#include <sys/signalvar.h>
69#endif
70#include <ufs/ufs/quota.h>
71#include <ufs/ufs/inode.h>
72#include <ufs/ufs/ufs_extern.h>
73#include <ufs/ffs/ffs_extern.h>
74
75#include <gnu/ext2fs/ext2_fs_sb.h>
76#include <gnu/ext2fs/fs.h>
77#include <gnu/ext2fs/ext2_extern.h>
78
79static int ext2_fsync __P((struct vop_fsync_args *));
80static int ext2_read __P((struct vop_read_args *));
81static int ext2_write __P((struct vop_write_args *));
82
83/* Global vfs data structures for ufs. */
84vop_t **ext2_vnodeop_p;
85static struct vnodeopv_entry_desc ext2_vnodeop_entries[] = {
|
86 { &vop_default_desc, (vop_t *)vn_default_error },
87 { &vop_lookup_desc, (vop_t *)vfs_cache_lookup }, /* lookup */
88 { &vop_cachedlookup_desc, (vop_t *)ext2_lookup }, /* lookup */
89 { &vop_create_desc, (vop_t *)ufs_create }, /* create */
90 { &vop_mknod_desc, (vop_t *)ufs_mknod }, /* mknod */
91 { &vop_open_desc, (vop_t *)ufs_open }, /* open */
92 { &vop_close_desc, (vop_t *)ufs_close }, /* close */
93 { &vop_access_desc, (vop_t *)ufs_access }, /* access */
94 { &vop_getattr_desc, (vop_t *)ufs_getattr }, /* getattr */
95 { &vop_setattr_desc, (vop_t *)ufs_setattr }, /* setattr */
96 { &vop_read_desc, (vop_t *)ext2_read }, /* read */
97 { &vop_write_desc, (vop_t *)ext2_write }, /* write */
98 { &vop_ioctl_desc, (vop_t *)ufs_ioctl }, /* ioctl */
99 { &vop_poll_desc, (vop_t *)ufs_poll }, /* poll */
100 { &vop_mmap_desc, (vop_t *)ufs_mmap }, /* mmap */
101 { &vop_fsync_desc, (vop_t *)ext2_fsync }, /* fsync */
102 { &vop_seek_desc, (vop_t *)ufs_seek }, /* seek */
103 { &vop_remove_desc, (vop_t *)ufs_remove }, /* remove */
104 { &vop_link_desc, (vop_t *)ufs_link }, /* link */
105 { &vop_rename_desc, (vop_t *)ufs_rename }, /* rename */
106 { &vop_mkdir_desc, (vop_t *)ufs_mkdir }, /* mkdir */
107 { &vop_rmdir_desc, (vop_t *)ufs_rmdir }, /* rmdir */
108 { &vop_symlink_desc, (vop_t *)ufs_symlink }, /* symlink */
109 { &vop_readdir_desc, (vop_t *)ext2_readdir }, /* readdir */
110 { &vop_readlink_desc, (vop_t *)ufs_readlink }, /* readlink */
111 { &vop_abortop_desc, (vop_t *)ufs_abortop }, /* abortop */
112 { &vop_inactive_desc, (vop_t *)ext2_inactive }, /* inactive */
113 { &vop_reclaim_desc, (vop_t *)ufs_reclaim }, /* reclaim */
114 { &vop_lock_desc, (vop_t *)ufs_lock }, /* lock */
115 { &vop_unlock_desc, (vop_t *)ufs_unlock }, /* unlock */
116 { &vop_bmap_desc, (vop_t *)ufs_bmap }, /* bmap */
117 { &vop_strategy_desc, (vop_t *)ufs_strategy }, /* strategy */
118 { &vop_print_desc, (vop_t *)ufs_print }, /* print */
119 { &vop_islocked_desc, (vop_t *)ufs_islocked }, /* islocked */
120 { &vop_pathconf_desc, (vop_t *)ufs_pathconf }, /* pathconf */
121 { &vop_advlock_desc, (vop_t *)ufs_advlock }, /* advlock */
122 { &vop_blkatoff_desc, (vop_t *)ext2_blkatoff }, /* blkatoff */
123 { &vop_valloc_desc, (vop_t *)ext2_valloc }, /* valloc */
124 { &vop_reallocblks_desc, (vop_t *)ext2_reallocblks }, /* reallocblks */
125 { &vop_vfree_desc, (vop_t *)ext2_vfree }, /* vfree */
126 { &vop_truncate_desc, (vop_t *)ext2_truncate }, /* truncate */
127 { &vop_update_desc, (vop_t *)ext2_update }, /* update */
128 { &vop_bwrite_desc, (vop_t *)vn_bwrite }, /* bwrite */
| 86 { &vop_default_desc, (vop_t *) vn_default_error },
87 { &vop_abortop_desc, (vop_t *) ufs_abortop },
88 { &vop_access_desc, (vop_t *) ufs_access },
89 { &vop_advlock_desc, (vop_t *) ufs_advlock },
90 { &vop_blkatoff_desc, (vop_t *) ext2_blkatoff },
91 { &vop_bmap_desc, (vop_t *) ufs_bmap },
92 { &vop_bwrite_desc, (vop_t *) vn_bwrite },
93 { &vop_cachedlookup_desc, (vop_t *) ext2_lookup },
94 { &vop_close_desc, (vop_t *) ufs_close },
95 { &vop_create_desc, (vop_t *) ufs_create },
96 { &vop_fsync_desc, (vop_t *) ext2_fsync },
97 { &vop_getattr_desc, (vop_t *) ufs_getattr },
98 { &vop_inactive_desc, (vop_t *) ext2_inactive },
99 { &vop_ioctl_desc, (vop_t *) ufs_ioctl },
100 { &vop_islocked_desc, (vop_t *) ufs_islocked },
101 { &vop_link_desc, (vop_t *) ufs_link },
102 { &vop_lock_desc, (vop_t *) ufs_lock },
103 { &vop_lookup_desc, (vop_t *) vfs_cache_lookup },
104 { &vop_mkdir_desc, (vop_t *) ufs_mkdir },
105 { &vop_mknod_desc, (vop_t *) ufs_mknod },
106 { &vop_mmap_desc, (vop_t *) ufs_mmap },
107 { &vop_open_desc, (vop_t *) ufs_open },
108 { &vop_pathconf_desc, (vop_t *) ufs_pathconf },
109 { &vop_poll_desc, (vop_t *) ufs_poll },
110 { &vop_print_desc, (vop_t *) ufs_print },
111 { &vop_read_desc, (vop_t *) ext2_read },
112 { &vop_readdir_desc, (vop_t *) ext2_readdir },
113 { &vop_readlink_desc, (vop_t *) ufs_readlink },
114 { &vop_reallocblks_desc, (vop_t *) ext2_reallocblks },
115 { &vop_reclaim_desc, (vop_t *) ufs_reclaim },
116 { &vop_remove_desc, (vop_t *) ufs_remove },
117 { &vop_rename_desc, (vop_t *) ufs_rename },
118 { &vop_rmdir_desc, (vop_t *) ufs_rmdir },
119 { &vop_seek_desc, (vop_t *) ufs_seek },
120 { &vop_setattr_desc, (vop_t *) ufs_setattr },
121 { &vop_strategy_desc, (vop_t *) ufs_strategy },
122 { &vop_symlink_desc, (vop_t *) ufs_symlink },
123 { &vop_truncate_desc, (vop_t *) ext2_truncate },
124 { &vop_unlock_desc, (vop_t *) ufs_unlock },
125 { &vop_update_desc, (vop_t *) ext2_update },
126 { &vop_valloc_desc, (vop_t *) ext2_valloc },
127 { &vop_vfree_desc, (vop_t *) ext2_vfree },
128 { &vop_write_desc, (vop_t *) ext2_write },
|
129 { NULL, NULL }
130};
131static struct vnodeopv_desc ext2fs_vnodeop_opv_desc =
132 { &ext2_vnodeop_p, ext2_vnodeop_entries };
133
134vop_t **ext2_specop_p;
135static struct vnodeopv_entry_desc ext2_specop_entries[] = {
| 129 { NULL, NULL }
130};
131static struct vnodeopv_desc ext2fs_vnodeop_opv_desc =
132 { &ext2_vnodeop_p, ext2_vnodeop_entries };
133
134vop_t **ext2_specop_p;
135static struct vnodeopv_entry_desc ext2_specop_entries[] = {
|
136 { &vop_default_desc, (vop_t *)vn_default_error },
137 { &vop_lookup_desc, (vop_t *)spec_lookup }, /* lookup */
138/* XXX: vop_cachedlookup */
139 { &vop_create_desc, (vop_t *)spec_create }, /* create */
140 { &vop_mknod_desc, (vop_t *)spec_mknod }, /* mknod */
141 { &vop_open_desc, (vop_t *)spec_open }, /* open */
142 { &vop_close_desc, (vop_t *)ufsspec_close }, /* close */
143 { &vop_access_desc, (vop_t *)ufs_access }, /* access */
144 { &vop_getattr_desc, (vop_t *)ufs_getattr }, /* getattr */
145 { &vop_setattr_desc, (vop_t *)ufs_setattr }, /* setattr */
146 { &vop_read_desc, (vop_t *)ufsspec_read }, /* read */
147 { &vop_write_desc, (vop_t *)ufsspec_write }, /* write */
148 { &vop_ioctl_desc, (vop_t *)spec_ioctl }, /* ioctl */
149 { &vop_poll_desc, (vop_t *)spec_poll }, /* poll */
150 { &vop_mmap_desc, (vop_t *)spec_mmap }, /* mmap */
151 { &vop_fsync_desc, (vop_t *)ext2_fsync }, /* fsync */
152 { &vop_seek_desc, (vop_t *)spec_seek }, /* seek */
153 { &vop_remove_desc, (vop_t *)spec_remove }, /* remove */
154 { &vop_link_desc, (vop_t *)spec_link }, /* link */
155 { &vop_rename_desc, (vop_t *)spec_rename }, /* rename */
156 { &vop_mkdir_desc, (vop_t *)spec_mkdir }, /* mkdir */
157 { &vop_rmdir_desc, (vop_t *)spec_rmdir }, /* rmdir */
158 { &vop_symlink_desc, (vop_t *)spec_symlink }, /* symlink */
159 { &vop_readdir_desc, (vop_t *)spec_readdir }, /* readdir */
160 { &vop_readlink_desc, (vop_t *)spec_readlink }, /* readlink */
161 { &vop_abortop_desc, (vop_t *)spec_abortop }, /* abortop */
162 { &vop_inactive_desc, (vop_t *)ext2_inactive }, /* inactive */
163 { &vop_reclaim_desc, (vop_t *)ufs_reclaim }, /* reclaim */
164 { &vop_lock_desc, (vop_t *)ufs_lock }, /* lock */
165 { &vop_unlock_desc, (vop_t *)ufs_unlock }, /* unlock */
166 { &vop_bmap_desc, (vop_t *)spec_bmap }, /* bmap */
167 { &vop_strategy_desc, (vop_t *)spec_strategy }, /* strategy */
168 { &vop_print_desc, (vop_t *)ufs_print }, /* print */
169 { &vop_islocked_desc, (vop_t *)ufs_islocked }, /* islocked */
170 { &vop_pathconf_desc, (vop_t *)spec_pathconf }, /* pathconf */
171 { &vop_advlock_desc, (vop_t *)spec_advlock }, /* advlock */
172 { &vop_blkatoff_desc, (vop_t *)spec_blkatoff }, /* blkatoff */
173 { &vop_valloc_desc, (vop_t *)spec_valloc }, /* valloc */
174 { &vop_reallocblks_desc, (vop_t *)spec_reallocblks }, /* reallocblks */
175 { &vop_vfree_desc, (vop_t *)ext2_vfree }, /* vfree */
176 { &vop_truncate_desc, (vop_t *)spec_truncate }, /* truncate */
177 { &vop_update_desc, (vop_t *)ext2_update }, /* update */
178 { &vop_bwrite_desc, (vop_t *)vn_bwrite }, /* bwrite */
| 136 { &vop_default_desc, (vop_t *) vn_default_error },
137 { &vop_abortop_desc, (vop_t *) spec_abortop },
138 { &vop_access_desc, (vop_t *) ufs_access },
139 { &vop_advlock_desc, (vop_t *) spec_advlock },
140 { &vop_blkatoff_desc, (vop_t *) spec_blkatoff },
141 { &vop_bmap_desc, (vop_t *) spec_bmap },
142 { &vop_bwrite_desc, (vop_t *) vn_bwrite },
143 { &vop_close_desc, (vop_t *) ufsspec_close },
144 { &vop_create_desc, (vop_t *) spec_create },
145 { &vop_fsync_desc, (vop_t *) ext2_fsync },
146 { &vop_getattr_desc, (vop_t *) ufs_getattr },
147 { &vop_inactive_desc, (vop_t *) ext2_inactive },
148 { &vop_ioctl_desc, (vop_t *) spec_ioctl },
149 { &vop_islocked_desc, (vop_t *) ufs_islocked },
150 { &vop_link_desc, (vop_t *) spec_link },
151 { &vop_lock_desc, (vop_t *) ufs_lock },
152 { &vop_lookup_desc, (vop_t *) spec_lookup },
153 { &vop_mkdir_desc, (vop_t *) spec_mkdir },
154 { &vop_mknod_desc, (vop_t *) spec_mknod },
155 { &vop_mmap_desc, (vop_t *) spec_mmap },
156 { &vop_open_desc, (vop_t *) spec_open },
157 { &vop_pathconf_desc, (vop_t *) spec_pathconf },
158 { &vop_poll_desc, (vop_t *) spec_poll },
159 { &vop_print_desc, (vop_t *) ufs_print },
160 { &vop_read_desc, (vop_t *) ufsspec_read },
161 { &vop_readdir_desc, (vop_t *) spec_readdir },
162 { &vop_readlink_desc, (vop_t *) spec_readlink },
163 { &vop_reallocblks_desc, (vop_t *) spec_reallocblks },
164 { &vop_reclaim_desc, (vop_t *) ufs_reclaim },
165 { &vop_remove_desc, (vop_t *) spec_remove },
166 { &vop_rename_desc, (vop_t *) spec_rename },
167 { &vop_rmdir_desc, (vop_t *) spec_rmdir },
168 { &vop_seek_desc, (vop_t *) spec_seek },
169 { &vop_setattr_desc, (vop_t *) ufs_setattr },
170 { &vop_strategy_desc, (vop_t *) spec_strategy },
171 { &vop_symlink_desc, (vop_t *) spec_symlink },
172 { &vop_truncate_desc, (vop_t *) spec_truncate },
173 { &vop_unlock_desc, (vop_t *) ufs_unlock },
174 { &vop_update_desc, (vop_t *) ext2_update },
175 { &vop_valloc_desc, (vop_t *) spec_valloc },
176 { &vop_vfree_desc, (vop_t *) ext2_vfree },
177 { &vop_write_desc, (vop_t *) ufsspec_write },
|
179 { NULL, NULL }
180};
181static struct vnodeopv_desc ext2fs_specop_opv_desc =
182 { &ext2_specop_p, ext2_specop_entries };
183
184vop_t **ext2_fifoop_p;
185static struct vnodeopv_entry_desc ext2_fifoop_entries[] = {
| 178 { NULL, NULL }
179};
180static struct vnodeopv_desc ext2fs_specop_opv_desc =
181 { &ext2_specop_p, ext2_specop_entries };
182
183vop_t **ext2_fifoop_p;
184static struct vnodeopv_entry_desc ext2_fifoop_entries[] = {
|
186 { &vop_default_desc, (vop_t *)vn_default_error },
187 { &vop_lookup_desc, (vop_t *)fifo_lookup }, /* lookup */
188/* XXX: vop_cachedlookup */
189 { &vop_create_desc, (vop_t *)fifo_create }, /* create */
190 { &vop_mknod_desc, (vop_t *)fifo_mknod }, /* mknod */
191 { &vop_open_desc, (vop_t *)fifo_open }, /* open */
192 { &vop_close_desc, (vop_t *)ufsfifo_close }, /* close */
193 { &vop_access_desc, (vop_t *)ufs_access }, /* access */
194 { &vop_getattr_desc, (vop_t *)ufs_getattr }, /* getattr */
195 { &vop_setattr_desc, (vop_t *)ufs_setattr }, /* setattr */
196 { &vop_read_desc, (vop_t *)ufsfifo_read }, /* read */
197 { &vop_write_desc, (vop_t *)ufsfifo_write }, /* write */
198 { &vop_ioctl_desc, (vop_t *)fifo_ioctl }, /* ioctl */
199 { &vop_poll_desc, (vop_t *)fifo_poll }, /* poll */
200 { &vop_mmap_desc, (vop_t *)fifo_mmap }, /* mmap */
201 { &vop_fsync_desc, (vop_t *)ext2_fsync }, /* fsync */
202 { &vop_seek_desc, (vop_t *)fifo_seek }, /* seek */
203 { &vop_remove_desc, (vop_t *)fifo_remove }, /* remove */
204 { &vop_link_desc, (vop_t *)fifo_link }, /* link */
205 { &vop_rename_desc, (vop_t *)fifo_rename }, /* rename */
206 { &vop_mkdir_desc, (vop_t *)fifo_mkdir }, /* mkdir */
207 { &vop_rmdir_desc, (vop_t *)fifo_rmdir }, /* rmdir */
208 { &vop_symlink_desc, (vop_t *)fifo_symlink }, /* symlink */
209 { &vop_readdir_desc, (vop_t *)fifo_readdir }, /* readdir */
210 { &vop_readlink_desc, (vop_t *)fifo_readlink }, /* readlink */
211 { &vop_abortop_desc, (vop_t *)fifo_abortop }, /* abortop */
212 { &vop_inactive_desc, (vop_t *)ext2_inactive }, /* inactive */
213 { &vop_reclaim_desc, (vop_t *)ufs_reclaim }, /* reclaim */
214 { &vop_lock_desc, (vop_t *)ufs_lock }, /* lock */
215 { &vop_unlock_desc, (vop_t *)ufs_unlock }, /* unlock */
216 { &vop_bmap_desc, (vop_t *)fifo_bmap }, /* bmap */
217 { &vop_strategy_desc, (vop_t *)fifo_strategy }, /* strategy */
218 { &vop_print_desc, (vop_t *)ufs_print }, /* print */
219 { &vop_islocked_desc, (vop_t *)ufs_islocked }, /* islocked */
220 { &vop_pathconf_desc, (vop_t *)fifo_pathconf }, /* pathconf */
221 { &vop_advlock_desc, (vop_t *)fifo_advlock }, /* advlock */
222 { &vop_blkatoff_desc, (vop_t *)fifo_blkatoff }, /* blkatoff */
223 { &vop_valloc_desc, (vop_t *)fifo_valloc }, /* valloc */
224 { &vop_reallocblks_desc, (vop_t *)fifo_reallocblks }, /* reallocblks */
225 { &vop_vfree_desc, (vop_t *)ext2_vfree }, /* vfree */
226 { &vop_truncate_desc, (vop_t *)fifo_truncate }, /* truncate */
227 { &vop_update_desc, (vop_t *)ext2_update }, /* update */
228 { &vop_bwrite_desc, (vop_t *)vn_bwrite }, /* bwrite */
| 185 { &vop_default_desc, (vop_t *) vn_default_error },
186 { &vop_abortop_desc, (vop_t *) fifo_abortop },
187 { &vop_access_desc, (vop_t *) ufs_access },
188 { &vop_advlock_desc, (vop_t *) fifo_advlock },
189 { &vop_blkatoff_desc, (vop_t *) fifo_blkatoff },
190 { &vop_bmap_desc, (vop_t *) fifo_bmap },
191 { &vop_bwrite_desc, (vop_t *) vn_bwrite },
192 { &vop_close_desc, (vop_t *) ufsfifo_close },
193 { &vop_create_desc, (vop_t *) fifo_create },
194 { &vop_fsync_desc, (vop_t *) ext2_fsync },
195 { &vop_getattr_desc, (vop_t *) ufs_getattr },
196 { &vop_inactive_desc, (vop_t *) ext2_inactive },
197 { &vop_ioctl_desc, (vop_t *) fifo_ioctl },
198 { &vop_islocked_desc, (vop_t *) ufs_islocked },
199 { &vop_link_desc, (vop_t *) fifo_link },
200 { &vop_lock_desc, (vop_t *) ufs_lock },
201 { &vop_lookup_desc, (vop_t *) fifo_lookup },
202 { &vop_mkdir_desc, (vop_t *) fifo_mkdir },
203 { &vop_mknod_desc, (vop_t *) fifo_mknod },
204 { &vop_mmap_desc, (vop_t *) fifo_mmap },
205 { &vop_open_desc, (vop_t *) fifo_open },
206 { &vop_pathconf_desc, (vop_t *) fifo_pathconf },
207 { &vop_poll_desc, (vop_t *) fifo_poll },
208 { &vop_print_desc, (vop_t *) ufs_print },
209 { &vop_read_desc, (vop_t *) ufsfifo_read },
210 { &vop_readdir_desc, (vop_t *) fifo_readdir },
211 { &vop_readlink_desc, (vop_t *) fifo_readlink },
212 { &vop_reallocblks_desc, (vop_t *) fifo_reallocblks },
213 { &vop_reclaim_desc, (vop_t *) ufs_reclaim },
214 { &vop_remove_desc, (vop_t *) fifo_remove },
215 { &vop_rename_desc, (vop_t *) fifo_rename },
216 { &vop_rmdir_desc, (vop_t *) fifo_rmdir },
217 { &vop_seek_desc, (vop_t *) fifo_seek },
218 { &vop_setattr_desc, (vop_t *) ufs_setattr },
219 { &vop_strategy_desc, (vop_t *) fifo_strategy },
220 { &vop_symlink_desc, (vop_t *) fifo_symlink },
221 { &vop_truncate_desc, (vop_t *) fifo_truncate },
222 { &vop_unlock_desc, (vop_t *) ufs_unlock },
223 { &vop_update_desc, (vop_t *) ext2_update },
224 { &vop_valloc_desc, (vop_t *) fifo_valloc },
225 { &vop_vfree_desc, (vop_t *) ext2_vfree },
226 { &vop_write_desc, (vop_t *) ufsfifo_write },
|
229 { NULL, NULL }
230};
231static struct vnodeopv_desc ext2fs_fifoop_opv_desc =
232 { &ext2_fifoop_p, ext2_fifoop_entries };
233
234#if defined(__FreeBSD__)
235 VNODEOP_SET(ext2fs_vnodeop_opv_desc);
236 VNODEOP_SET(ext2fs_specop_opv_desc);
237 VNODEOP_SET(ext2fs_fifoop_opv_desc);
238#endif
239
240#include <gnu/ext2fs/ext2_readwrite.c>
241
242/*
243 * Synch an open file.
244 */
245/* ARGSUSED */
246static int
247ext2_fsync(ap)
248 struct vop_fsync_args /* {
249 struct vnode *a_vp;
250 struct ucred *a_cred;
251 int a_waitfor;
252 struct proc *a_p;
253 } */ *ap;
254{
255 register struct vnode *vp = ap->a_vp;
256 register struct buf *bp;
257 struct timeval tv;
258 struct buf *nbp;
259 int s;
260
261 /*
262 * Clean memory object.
263 * XXX add this to all file systems.
264 * XXX why is all this fs specific?
265 */
266#if !defined(__FreeBSD__)
267 vn_pager_sync(vp, ap->a_waitfor);
268#endif
269
270 /*
271 * Flush all dirty buffers associated with a vnode.
272 */
273 ext2_discard_prealloc(VTOI(vp));
274
275loop:
276 s = splbio();
277 for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
278 nbp = bp->b_vnbufs.le_next;
279 if ((bp->b_flags & B_BUSY))
280 continue;
281 if ((bp->b_flags & B_DELWRI) == 0)
282 panic("ext2_fsync: not dirty");
283 bremfree(bp);
284 bp->b_flags |= B_BUSY;
285 splx(s);
286 /*
287 * Wait for I/O associated with indirect blocks to complete,
288 * since there is no way to quickly wait for them below.
289 */
290 if (bp->b_vp == vp || ap->a_waitfor == MNT_NOWAIT)
291 (void) bawrite(bp);
292 else
293 (void) bwrite(bp);
294 goto loop;
295 }
296 if (ap->a_waitfor == MNT_WAIT) {
297 while (vp->v_numoutput) {
298 vp->v_flag |= VBWAIT;
299#if !defined(__FreeBSD__)
300 sleep((caddr_t)&vp->v_numoutput, PRIBIO + 1);
301#else
302 tsleep((caddr_t)&vp->v_numoutput, PRIBIO + 1, "extfsn", 0);
303#endif
304 }
305#if DIAGNOSTIC
306 if (vp->v_dirtyblkhd.lh_first) {
307 vprint("ext2_fsync: dirty", vp);
308 goto loop;
309 }
310#endif
311 }
312 splx(s);
313 gettime(&tv);
314 return (VOP_UPDATE(ap->a_vp, &tv, &tv, ap->a_waitfor == MNT_WAIT));
315}
| 227 { NULL, NULL }
228};
229static struct vnodeopv_desc ext2fs_fifoop_opv_desc =
230 { &ext2_fifoop_p, ext2_fifoop_entries };
231
232#if defined(__FreeBSD__)
233 VNODEOP_SET(ext2fs_vnodeop_opv_desc);
234 VNODEOP_SET(ext2fs_specop_opv_desc);
235 VNODEOP_SET(ext2fs_fifoop_opv_desc);
236#endif
237
238#include <gnu/ext2fs/ext2_readwrite.c>
239
240/*
241 * Synch an open file.
242 */
243/* ARGSUSED */
244static int
245ext2_fsync(ap)
246 struct vop_fsync_args /* {
247 struct vnode *a_vp;
248 struct ucred *a_cred;
249 int a_waitfor;
250 struct proc *a_p;
251 } */ *ap;
252{
253 register struct vnode *vp = ap->a_vp;
254 register struct buf *bp;
255 struct timeval tv;
256 struct buf *nbp;
257 int s;
258
259 /*
260 * Clean memory object.
261 * XXX add this to all file systems.
262 * XXX why is all this fs specific?
263 */
264#if !defined(__FreeBSD__)
265 vn_pager_sync(vp, ap->a_waitfor);
266#endif
267
268 /*
269 * Flush all dirty buffers associated with a vnode.
270 */
271 ext2_discard_prealloc(VTOI(vp));
272
273loop:
274 s = splbio();
275 for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
276 nbp = bp->b_vnbufs.le_next;
277 if ((bp->b_flags & B_BUSY))
278 continue;
279 if ((bp->b_flags & B_DELWRI) == 0)
280 panic("ext2_fsync: not dirty");
281 bremfree(bp);
282 bp->b_flags |= B_BUSY;
283 splx(s);
284 /*
285 * Wait for I/O associated with indirect blocks to complete,
286 * since there is no way to quickly wait for them below.
287 */
288 if (bp->b_vp == vp || ap->a_waitfor == MNT_NOWAIT)
289 (void) bawrite(bp);
290 else
291 (void) bwrite(bp);
292 goto loop;
293 }
294 if (ap->a_waitfor == MNT_WAIT) {
295 while (vp->v_numoutput) {
296 vp->v_flag |= VBWAIT;
297#if !defined(__FreeBSD__)
298 sleep((caddr_t)&vp->v_numoutput, PRIBIO + 1);
299#else
300 tsleep((caddr_t)&vp->v_numoutput, PRIBIO + 1, "extfsn", 0);
301#endif
302 }
303#if DIAGNOSTIC
304 if (vp->v_dirtyblkhd.lh_first) {
305 vprint("ext2_fsync: dirty", vp);
306 goto loop;
307 }
308#endif
309 }
310 splx(s);
311 gettime(&tv);
312 return (VOP_UPDATE(ap->a_vp, &tv, &tv, ap->a_waitfor == MNT_WAIT));
313}
|