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ffs_vnops.c (1960) ffs_vnops.c (2946)
1/*
2 * Copyright (c) 1982, 1986, 1989, 1993
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_vnops.c 8.7 (Berkeley) 2/3/94
1/*
2 * Copyright (c) 1982, 1986, 1989, 1993
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_vnops.c 8.7 (Berkeley) 2/3/94
34 * $Id: ffs_vnops.c,v 1.2 1994/08/02 07:54:25 davidg Exp $
34 * $Id: ffs_vnops.c,v 1.3 1994/08/08 17:30:59 davidg Exp $
35 */
36
37#include <sys/param.h>
38#include <sys/systm.h>
39#include <sys/resourcevar.h>
40#include <sys/kernel.h>
41#include <sys/file.h>
42#include <sys/stat.h>
43#include <sys/buf.h>
44#include <sys/proc.h>
45#include <sys/conf.h>
46#include <sys/mount.h>
47#include <sys/vnode.h>
48#include <sys/malloc.h>
49#include <sys/lockf.h>
50
51#include <vm/vm.h>
52
53#include <miscfs/specfs/specdev.h>
54#include <miscfs/fifofs/fifo.h>
55
56#include <ufs/ufs/quota.h>
57#include <ufs/ufs/inode.h>
58#include <ufs/ufs/dir.h>
59#include <ufs/ufs/ufs_extern.h>
60
61#include <ufs/ffs/fs.h>
62#include <ufs/ffs/ffs_extern.h>
63
64/* Global vfs data structures for ufs. */
65int (**ffs_vnodeop_p)();
66struct vnodeopv_entry_desc ffs_vnodeop_entries[] = {
67 { &vop_default_desc, vn_default_error },
68 { &vop_lookup_desc, ufs_lookup }, /* lookup */
69 { &vop_create_desc, ufs_create }, /* create */
70 { &vop_mknod_desc, ufs_mknod }, /* mknod */
71 { &vop_open_desc, ufs_open }, /* open */
72 { &vop_close_desc, ufs_close }, /* close */
73 { &vop_access_desc, ufs_access }, /* access */
74 { &vop_getattr_desc, ufs_getattr }, /* getattr */
75 { &vop_setattr_desc, ufs_setattr }, /* setattr */
76 { &vop_read_desc, ffs_read }, /* read */
77 { &vop_write_desc, ffs_write }, /* write */
78 { &vop_ioctl_desc, ufs_ioctl }, /* ioctl */
79 { &vop_select_desc, ufs_select }, /* select */
80 { &vop_mmap_desc, ufs_mmap }, /* mmap */
81 { &vop_fsync_desc, ffs_fsync }, /* fsync */
82 { &vop_seek_desc, ufs_seek }, /* seek */
83 { &vop_remove_desc, ufs_remove }, /* remove */
84 { &vop_link_desc, ufs_link }, /* link */
85 { &vop_rename_desc, ufs_rename }, /* rename */
86 { &vop_mkdir_desc, ufs_mkdir }, /* mkdir */
87 { &vop_rmdir_desc, ufs_rmdir }, /* rmdir */
88 { &vop_symlink_desc, ufs_symlink }, /* symlink */
89 { &vop_readdir_desc, ufs_readdir }, /* readdir */
90 { &vop_readlink_desc, ufs_readlink }, /* readlink */
91 { &vop_abortop_desc, ufs_abortop }, /* abortop */
92 { &vop_inactive_desc, ufs_inactive }, /* inactive */
93 { &vop_reclaim_desc, ufs_reclaim }, /* reclaim */
94 { &vop_lock_desc, ufs_lock }, /* lock */
95 { &vop_unlock_desc, ufs_unlock }, /* unlock */
96 { &vop_bmap_desc, ufs_bmap }, /* bmap */
97 { &vop_strategy_desc, ufs_strategy }, /* strategy */
98 { &vop_print_desc, ufs_print }, /* print */
99 { &vop_islocked_desc, ufs_islocked }, /* islocked */
100 { &vop_pathconf_desc, ufs_pathconf }, /* pathconf */
101 { &vop_advlock_desc, ufs_advlock }, /* advlock */
102 { &vop_blkatoff_desc, ffs_blkatoff }, /* blkatoff */
103 { &vop_valloc_desc, ffs_valloc }, /* valloc */
104 { &vop_reallocblks_desc, ffs_reallocblks }, /* reallocblks */
105 { &vop_vfree_desc, ffs_vfree }, /* vfree */
106 { &vop_truncate_desc, ffs_truncate }, /* truncate */
107 { &vop_update_desc, ffs_update }, /* update */
108 { &vop_bwrite_desc, vn_bwrite },
109 { (struct vnodeop_desc*)NULL, (int(*)())NULL }
110};
111struct vnodeopv_desc ffs_vnodeop_opv_desc =
112 { &ffs_vnodeop_p, ffs_vnodeop_entries };
113
114int (**ffs_specop_p)();
115struct vnodeopv_entry_desc ffs_specop_entries[] = {
116 { &vop_default_desc, vn_default_error },
117 { &vop_lookup_desc, spec_lookup }, /* lookup */
118 { &vop_create_desc, spec_create }, /* create */
119 { &vop_mknod_desc, spec_mknod }, /* mknod */
120 { &vop_open_desc, spec_open }, /* open */
121 { &vop_close_desc, ufsspec_close }, /* close */
122 { &vop_access_desc, ufs_access }, /* access */
123 { &vop_getattr_desc, ufs_getattr }, /* getattr */
124 { &vop_setattr_desc, ufs_setattr }, /* setattr */
125 { &vop_read_desc, ufsspec_read }, /* read */
126 { &vop_write_desc, ufsspec_write }, /* write */
127 { &vop_ioctl_desc, spec_ioctl }, /* ioctl */
128 { &vop_select_desc, spec_select }, /* select */
129 { &vop_mmap_desc, spec_mmap }, /* mmap */
130 { &vop_fsync_desc, ffs_fsync }, /* fsync */
131 { &vop_seek_desc, spec_seek }, /* seek */
132 { &vop_remove_desc, spec_remove }, /* remove */
133 { &vop_link_desc, spec_link }, /* link */
134 { &vop_rename_desc, spec_rename }, /* rename */
135 { &vop_mkdir_desc, spec_mkdir }, /* mkdir */
136 { &vop_rmdir_desc, spec_rmdir }, /* rmdir */
137 { &vop_symlink_desc, spec_symlink }, /* symlink */
138 { &vop_readdir_desc, spec_readdir }, /* readdir */
139 { &vop_readlink_desc, spec_readlink }, /* readlink */
140 { &vop_abortop_desc, spec_abortop }, /* abortop */
141 { &vop_inactive_desc, ufs_inactive }, /* inactive */
142 { &vop_reclaim_desc, ufs_reclaim }, /* reclaim */
143 { &vop_lock_desc, ufs_lock }, /* lock */
144 { &vop_unlock_desc, ufs_unlock }, /* unlock */
145 { &vop_bmap_desc, spec_bmap }, /* bmap */
146 { &vop_strategy_desc, spec_strategy }, /* strategy */
147 { &vop_print_desc, ufs_print }, /* print */
148 { &vop_islocked_desc, ufs_islocked }, /* islocked */
149 { &vop_pathconf_desc, spec_pathconf }, /* pathconf */
150 { &vop_advlock_desc, spec_advlock }, /* advlock */
151 { &vop_blkatoff_desc, spec_blkatoff }, /* blkatoff */
152 { &vop_valloc_desc, spec_valloc }, /* valloc */
153 { &vop_reallocblks_desc, spec_reallocblks }, /* reallocblks */
154 { &vop_vfree_desc, ffs_vfree }, /* vfree */
155 { &vop_truncate_desc, spec_truncate }, /* truncate */
156 { &vop_update_desc, ffs_update }, /* update */
157 { &vop_bwrite_desc, vn_bwrite },
158 { (struct vnodeop_desc*)NULL, (int(*)())NULL }
159};
160struct vnodeopv_desc ffs_specop_opv_desc =
161 { &ffs_specop_p, ffs_specop_entries };
162
163#ifdef FIFO
164int (**ffs_fifoop_p)();
165struct vnodeopv_entry_desc ffs_fifoop_entries[] = {
166 { &vop_default_desc, vn_default_error },
167 { &vop_lookup_desc, fifo_lookup }, /* lookup */
168 { &vop_create_desc, fifo_create }, /* create */
169 { &vop_mknod_desc, fifo_mknod }, /* mknod */
170 { &vop_open_desc, fifo_open }, /* open */
171 { &vop_close_desc, ufsfifo_close }, /* close */
172 { &vop_access_desc, ufs_access }, /* access */
173 { &vop_getattr_desc, ufs_getattr }, /* getattr */
174 { &vop_setattr_desc, ufs_setattr }, /* setattr */
175 { &vop_read_desc, ufsfifo_read }, /* read */
176 { &vop_write_desc, ufsfifo_write }, /* write */
177 { &vop_ioctl_desc, fifo_ioctl }, /* ioctl */
178 { &vop_select_desc, fifo_select }, /* select */
179 { &vop_mmap_desc, fifo_mmap }, /* mmap */
180 { &vop_fsync_desc, ffs_fsync }, /* fsync */
181 { &vop_seek_desc, fifo_seek }, /* seek */
182 { &vop_remove_desc, fifo_remove }, /* remove */
183 { &vop_link_desc, fifo_link }, /* link */
184 { &vop_rename_desc, fifo_rename }, /* rename */
185 { &vop_mkdir_desc, fifo_mkdir }, /* mkdir */
186 { &vop_rmdir_desc, fifo_rmdir }, /* rmdir */
187 { &vop_symlink_desc, fifo_symlink }, /* symlink */
188 { &vop_readdir_desc, fifo_readdir }, /* readdir */
189 { &vop_readlink_desc, fifo_readlink }, /* readlink */
190 { &vop_abortop_desc, fifo_abortop }, /* abortop */
191 { &vop_inactive_desc, ufs_inactive }, /* inactive */
192 { &vop_reclaim_desc, ufs_reclaim }, /* reclaim */
193 { &vop_lock_desc, ufs_lock }, /* lock */
194 { &vop_unlock_desc, ufs_unlock }, /* unlock */
195 { &vop_bmap_desc, fifo_bmap }, /* bmap */
196 { &vop_strategy_desc, fifo_strategy }, /* strategy */
197 { &vop_print_desc, ufs_print }, /* print */
198 { &vop_islocked_desc, ufs_islocked }, /* islocked */
199 { &vop_pathconf_desc, fifo_pathconf }, /* pathconf */
200 { &vop_advlock_desc, fifo_advlock }, /* advlock */
201 { &vop_blkatoff_desc, fifo_blkatoff }, /* blkatoff */
202 { &vop_valloc_desc, fifo_valloc }, /* valloc */
203 { &vop_reallocblks_desc, fifo_reallocblks }, /* reallocblks */
204 { &vop_vfree_desc, ffs_vfree }, /* vfree */
205 { &vop_truncate_desc, fifo_truncate }, /* truncate */
206 { &vop_update_desc, ffs_update }, /* update */
207 { &vop_bwrite_desc, vn_bwrite },
208 { (struct vnodeop_desc*)NULL, (int(*)())NULL }
209};
210struct vnodeopv_desc ffs_fifoop_opv_desc =
211 { &ffs_fifoop_p, ffs_fifoop_entries };
212#endif /* FIFO */
213
35 */
36
37#include <sys/param.h>
38#include <sys/systm.h>
39#include <sys/resourcevar.h>
40#include <sys/kernel.h>
41#include <sys/file.h>
42#include <sys/stat.h>
43#include <sys/buf.h>
44#include <sys/proc.h>
45#include <sys/conf.h>
46#include <sys/mount.h>
47#include <sys/vnode.h>
48#include <sys/malloc.h>
49#include <sys/lockf.h>
50
51#include <vm/vm.h>
52
53#include <miscfs/specfs/specdev.h>
54#include <miscfs/fifofs/fifo.h>
55
56#include <ufs/ufs/quota.h>
57#include <ufs/ufs/inode.h>
58#include <ufs/ufs/dir.h>
59#include <ufs/ufs/ufs_extern.h>
60
61#include <ufs/ffs/fs.h>
62#include <ufs/ffs/ffs_extern.h>
63
64/* Global vfs data structures for ufs. */
65int (**ffs_vnodeop_p)();
66struct vnodeopv_entry_desc ffs_vnodeop_entries[] = {
67 { &vop_default_desc, vn_default_error },
68 { &vop_lookup_desc, ufs_lookup }, /* lookup */
69 { &vop_create_desc, ufs_create }, /* create */
70 { &vop_mknod_desc, ufs_mknod }, /* mknod */
71 { &vop_open_desc, ufs_open }, /* open */
72 { &vop_close_desc, ufs_close }, /* close */
73 { &vop_access_desc, ufs_access }, /* access */
74 { &vop_getattr_desc, ufs_getattr }, /* getattr */
75 { &vop_setattr_desc, ufs_setattr }, /* setattr */
76 { &vop_read_desc, ffs_read }, /* read */
77 { &vop_write_desc, ffs_write }, /* write */
78 { &vop_ioctl_desc, ufs_ioctl }, /* ioctl */
79 { &vop_select_desc, ufs_select }, /* select */
80 { &vop_mmap_desc, ufs_mmap }, /* mmap */
81 { &vop_fsync_desc, ffs_fsync }, /* fsync */
82 { &vop_seek_desc, ufs_seek }, /* seek */
83 { &vop_remove_desc, ufs_remove }, /* remove */
84 { &vop_link_desc, ufs_link }, /* link */
85 { &vop_rename_desc, ufs_rename }, /* rename */
86 { &vop_mkdir_desc, ufs_mkdir }, /* mkdir */
87 { &vop_rmdir_desc, ufs_rmdir }, /* rmdir */
88 { &vop_symlink_desc, ufs_symlink }, /* symlink */
89 { &vop_readdir_desc, ufs_readdir }, /* readdir */
90 { &vop_readlink_desc, ufs_readlink }, /* readlink */
91 { &vop_abortop_desc, ufs_abortop }, /* abortop */
92 { &vop_inactive_desc, ufs_inactive }, /* inactive */
93 { &vop_reclaim_desc, ufs_reclaim }, /* reclaim */
94 { &vop_lock_desc, ufs_lock }, /* lock */
95 { &vop_unlock_desc, ufs_unlock }, /* unlock */
96 { &vop_bmap_desc, ufs_bmap }, /* bmap */
97 { &vop_strategy_desc, ufs_strategy }, /* strategy */
98 { &vop_print_desc, ufs_print }, /* print */
99 { &vop_islocked_desc, ufs_islocked }, /* islocked */
100 { &vop_pathconf_desc, ufs_pathconf }, /* pathconf */
101 { &vop_advlock_desc, ufs_advlock }, /* advlock */
102 { &vop_blkatoff_desc, ffs_blkatoff }, /* blkatoff */
103 { &vop_valloc_desc, ffs_valloc }, /* valloc */
104 { &vop_reallocblks_desc, ffs_reallocblks }, /* reallocblks */
105 { &vop_vfree_desc, ffs_vfree }, /* vfree */
106 { &vop_truncate_desc, ffs_truncate }, /* truncate */
107 { &vop_update_desc, ffs_update }, /* update */
108 { &vop_bwrite_desc, vn_bwrite },
109 { (struct vnodeop_desc*)NULL, (int(*)())NULL }
110};
111struct vnodeopv_desc ffs_vnodeop_opv_desc =
112 { &ffs_vnodeop_p, ffs_vnodeop_entries };
113
114int (**ffs_specop_p)();
115struct vnodeopv_entry_desc ffs_specop_entries[] = {
116 { &vop_default_desc, vn_default_error },
117 { &vop_lookup_desc, spec_lookup }, /* lookup */
118 { &vop_create_desc, spec_create }, /* create */
119 { &vop_mknod_desc, spec_mknod }, /* mknod */
120 { &vop_open_desc, spec_open }, /* open */
121 { &vop_close_desc, ufsspec_close }, /* close */
122 { &vop_access_desc, ufs_access }, /* access */
123 { &vop_getattr_desc, ufs_getattr }, /* getattr */
124 { &vop_setattr_desc, ufs_setattr }, /* setattr */
125 { &vop_read_desc, ufsspec_read }, /* read */
126 { &vop_write_desc, ufsspec_write }, /* write */
127 { &vop_ioctl_desc, spec_ioctl }, /* ioctl */
128 { &vop_select_desc, spec_select }, /* select */
129 { &vop_mmap_desc, spec_mmap }, /* mmap */
130 { &vop_fsync_desc, ffs_fsync }, /* fsync */
131 { &vop_seek_desc, spec_seek }, /* seek */
132 { &vop_remove_desc, spec_remove }, /* remove */
133 { &vop_link_desc, spec_link }, /* link */
134 { &vop_rename_desc, spec_rename }, /* rename */
135 { &vop_mkdir_desc, spec_mkdir }, /* mkdir */
136 { &vop_rmdir_desc, spec_rmdir }, /* rmdir */
137 { &vop_symlink_desc, spec_symlink }, /* symlink */
138 { &vop_readdir_desc, spec_readdir }, /* readdir */
139 { &vop_readlink_desc, spec_readlink }, /* readlink */
140 { &vop_abortop_desc, spec_abortop }, /* abortop */
141 { &vop_inactive_desc, ufs_inactive }, /* inactive */
142 { &vop_reclaim_desc, ufs_reclaim }, /* reclaim */
143 { &vop_lock_desc, ufs_lock }, /* lock */
144 { &vop_unlock_desc, ufs_unlock }, /* unlock */
145 { &vop_bmap_desc, spec_bmap }, /* bmap */
146 { &vop_strategy_desc, spec_strategy }, /* strategy */
147 { &vop_print_desc, ufs_print }, /* print */
148 { &vop_islocked_desc, ufs_islocked }, /* islocked */
149 { &vop_pathconf_desc, spec_pathconf }, /* pathconf */
150 { &vop_advlock_desc, spec_advlock }, /* advlock */
151 { &vop_blkatoff_desc, spec_blkatoff }, /* blkatoff */
152 { &vop_valloc_desc, spec_valloc }, /* valloc */
153 { &vop_reallocblks_desc, spec_reallocblks }, /* reallocblks */
154 { &vop_vfree_desc, ffs_vfree }, /* vfree */
155 { &vop_truncate_desc, spec_truncate }, /* truncate */
156 { &vop_update_desc, ffs_update }, /* update */
157 { &vop_bwrite_desc, vn_bwrite },
158 { (struct vnodeop_desc*)NULL, (int(*)())NULL }
159};
160struct vnodeopv_desc ffs_specop_opv_desc =
161 { &ffs_specop_p, ffs_specop_entries };
162
163#ifdef FIFO
164int (**ffs_fifoop_p)();
165struct vnodeopv_entry_desc ffs_fifoop_entries[] = {
166 { &vop_default_desc, vn_default_error },
167 { &vop_lookup_desc, fifo_lookup }, /* lookup */
168 { &vop_create_desc, fifo_create }, /* create */
169 { &vop_mknod_desc, fifo_mknod }, /* mknod */
170 { &vop_open_desc, fifo_open }, /* open */
171 { &vop_close_desc, ufsfifo_close }, /* close */
172 { &vop_access_desc, ufs_access }, /* access */
173 { &vop_getattr_desc, ufs_getattr }, /* getattr */
174 { &vop_setattr_desc, ufs_setattr }, /* setattr */
175 { &vop_read_desc, ufsfifo_read }, /* read */
176 { &vop_write_desc, ufsfifo_write }, /* write */
177 { &vop_ioctl_desc, fifo_ioctl }, /* ioctl */
178 { &vop_select_desc, fifo_select }, /* select */
179 { &vop_mmap_desc, fifo_mmap }, /* mmap */
180 { &vop_fsync_desc, ffs_fsync }, /* fsync */
181 { &vop_seek_desc, fifo_seek }, /* seek */
182 { &vop_remove_desc, fifo_remove }, /* remove */
183 { &vop_link_desc, fifo_link }, /* link */
184 { &vop_rename_desc, fifo_rename }, /* rename */
185 { &vop_mkdir_desc, fifo_mkdir }, /* mkdir */
186 { &vop_rmdir_desc, fifo_rmdir }, /* rmdir */
187 { &vop_symlink_desc, fifo_symlink }, /* symlink */
188 { &vop_readdir_desc, fifo_readdir }, /* readdir */
189 { &vop_readlink_desc, fifo_readlink }, /* readlink */
190 { &vop_abortop_desc, fifo_abortop }, /* abortop */
191 { &vop_inactive_desc, ufs_inactive }, /* inactive */
192 { &vop_reclaim_desc, ufs_reclaim }, /* reclaim */
193 { &vop_lock_desc, ufs_lock }, /* lock */
194 { &vop_unlock_desc, ufs_unlock }, /* unlock */
195 { &vop_bmap_desc, fifo_bmap }, /* bmap */
196 { &vop_strategy_desc, fifo_strategy }, /* strategy */
197 { &vop_print_desc, ufs_print }, /* print */
198 { &vop_islocked_desc, ufs_islocked }, /* islocked */
199 { &vop_pathconf_desc, fifo_pathconf }, /* pathconf */
200 { &vop_advlock_desc, fifo_advlock }, /* advlock */
201 { &vop_blkatoff_desc, fifo_blkatoff }, /* blkatoff */
202 { &vop_valloc_desc, fifo_valloc }, /* valloc */
203 { &vop_reallocblks_desc, fifo_reallocblks }, /* reallocblks */
204 { &vop_vfree_desc, ffs_vfree }, /* vfree */
205 { &vop_truncate_desc, fifo_truncate }, /* truncate */
206 { &vop_update_desc, ffs_update }, /* update */
207 { &vop_bwrite_desc, vn_bwrite },
208 { (struct vnodeop_desc*)NULL, (int(*)())NULL }
209};
210struct vnodeopv_desc ffs_fifoop_opv_desc =
211 { &ffs_fifoop_p, ffs_fifoop_entries };
212#endif /* FIFO */
213
214VNODEOP_SET(ffs_vnodeop_opv_desc);
215VNODEOP_SET(ffs_specop_opv_desc);
216#ifdef FIFO
217VNODEOP_SET(ffs_fifoop_opv_desc);
218#endif
219
214#ifdef DEBUG
215/*
216 * Enabling cluster read/write operations.
217 */
218#include <sys/sysctl.h>
219int doclusterread = 1;
220struct ctldebug debug11 = { "doclusterread", &doclusterread };
221int doclusterwrite = 1;
222struct ctldebug debug12 = { "doclusterwrite", &doclusterwrite };
223#else
224/* XXX for ufs_readwrite */
225#define doclusterread 1
226#define doclusterwrite 1
227#endif
228
229#include <ufs/ufs/ufs_readwrite.c>
230
231/*
232 * Synch an open file.
233 */
234/* ARGSUSED */
235int
236ffs_fsync(ap)
237 struct vop_fsync_args /* {
238 struct vnode *a_vp;
239 struct ucred *a_cred;
240 int a_waitfor;
241 struct proc *a_p;
242 } */ *ap;
243{
244 register struct vnode *vp = ap->a_vp;
245 register struct buf *bp;
246 struct timeval tv;
247 struct buf *nbp;
248 int s;
249
250 /*
251 * Flush all dirty buffers associated with a vnode.
252 */
253loop:
254 s = splbio();
255 for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
256 nbp = bp->b_vnbufs.le_next;
257 if ((bp->b_flags & B_BUSY))
258 continue;
259 if ((bp->b_flags & B_DELWRI) == 0)
260 panic("ffs_fsync: not dirty");
261 bremfree(bp);
262 bp->b_flags |= B_BUSY;
263 splx(s);
264 /*
265 * Wait for I/O associated with indirect blocks to complete,
266 * since there is no way to quickly wait for them below.
267 */
268 if (bp->b_vp == vp || ap->a_waitfor == MNT_NOWAIT)
269 (void) bawrite(bp);
270 else
271 (void) bwrite(bp);
272 goto loop;
273 }
274 if (ap->a_waitfor == MNT_WAIT) {
275 while (vp->v_numoutput) {
276 vp->v_flag |= VBWAIT;
277 sleep((caddr_t)&vp->v_numoutput, PRIBIO + 1);
278 }
279#ifdef DIAGNOSTIC
280 if (vp->v_dirtyblkhd.lh_first) {
281 vprint("ffs_fsync: dirty", vp);
282 goto loop;
283 }
284#endif
285 }
286 splx(s);
287 tv = time;
288 return (VOP_UPDATE(ap->a_vp, &tv, &tv, ap->a_waitfor == MNT_WAIT));
289}
220#ifdef DEBUG
221/*
222 * Enabling cluster read/write operations.
223 */
224#include <sys/sysctl.h>
225int doclusterread = 1;
226struct ctldebug debug11 = { "doclusterread", &doclusterread };
227int doclusterwrite = 1;
228struct ctldebug debug12 = { "doclusterwrite", &doclusterwrite };
229#else
230/* XXX for ufs_readwrite */
231#define doclusterread 1
232#define doclusterwrite 1
233#endif
234
235#include <ufs/ufs/ufs_readwrite.c>
236
237/*
238 * Synch an open file.
239 */
240/* ARGSUSED */
241int
242ffs_fsync(ap)
243 struct vop_fsync_args /* {
244 struct vnode *a_vp;
245 struct ucred *a_cred;
246 int a_waitfor;
247 struct proc *a_p;
248 } */ *ap;
249{
250 register struct vnode *vp = ap->a_vp;
251 register struct buf *bp;
252 struct timeval tv;
253 struct buf *nbp;
254 int s;
255
256 /*
257 * Flush all dirty buffers associated with a vnode.
258 */
259loop:
260 s = splbio();
261 for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
262 nbp = bp->b_vnbufs.le_next;
263 if ((bp->b_flags & B_BUSY))
264 continue;
265 if ((bp->b_flags & B_DELWRI) == 0)
266 panic("ffs_fsync: not dirty");
267 bremfree(bp);
268 bp->b_flags |= B_BUSY;
269 splx(s);
270 /*
271 * Wait for I/O associated with indirect blocks to complete,
272 * since there is no way to quickly wait for them below.
273 */
274 if (bp->b_vp == vp || ap->a_waitfor == MNT_NOWAIT)
275 (void) bawrite(bp);
276 else
277 (void) bwrite(bp);
278 goto loop;
279 }
280 if (ap->a_waitfor == MNT_WAIT) {
281 while (vp->v_numoutput) {
282 vp->v_flag |= VBWAIT;
283 sleep((caddr_t)&vp->v_numoutput, PRIBIO + 1);
284 }
285#ifdef DIAGNOSTIC
286 if (vp->v_dirtyblkhd.lh_first) {
287 vprint("ffs_fsync: dirty", vp);
288 goto loop;
289 }
290#endif
291 }
292 splx(s);
293 tv = time;
294 return (VOP_UPDATE(ap->a_vp, &tv, &tv, ap->a_waitfor == MNT_WAIT));
295}