lfs_vnops.c revision 1.22 1 1.22 perseant /* $NetBSD: lfs_vnops.c,v 1.22 1999/03/10 00:20:00 perseant Exp $ */
2 1.2 cgd
3 1.22 perseant /*-
4 1.22 perseant * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 1.22 perseant * All rights reserved.
6 1.22 perseant *
7 1.22 perseant * This code is derived from software contributed to The NetBSD Foundation
8 1.22 perseant * by Konrad E. Schroder <perseant (at) hhhh.org>.
9 1.22 perseant *
10 1.22 perseant * Redistribution and use in source and binary forms, with or without
11 1.22 perseant * modification, are permitted provided that the following conditions
12 1.22 perseant * are met:
13 1.22 perseant * 1. Redistributions of source code must retain the above copyright
14 1.22 perseant * notice, this list of conditions and the following disclaimer.
15 1.22 perseant * 2. Redistributions in binary form must reproduce the above copyright
16 1.22 perseant * notice, this list of conditions and the following disclaimer in the
17 1.22 perseant * documentation and/or other materials provided with the distribution.
18 1.22 perseant * 3. All advertising materials mentioning features or use of this software
19 1.22 perseant * must display the following acknowledgement:
20 1.22 perseant * This product includes software developed by the NetBSD
21 1.22 perseant * Foundation, Inc. and its contributors.
22 1.22 perseant * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.22 perseant * contributors may be used to endorse or promote products derived
24 1.22 perseant * from this software without specific prior written permission.
25 1.22 perseant *
26 1.22 perseant * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.22 perseant * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.22 perseant * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.22 perseant * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.22 perseant * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.22 perseant * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.22 perseant * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.22 perseant * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.22 perseant * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.22 perseant * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.22 perseant * POSSIBILITY OF SUCH DAMAGE.
37 1.22 perseant */
38 1.1 mycroft /*
39 1.15 fvdl * Copyright (c) 1986, 1989, 1991, 1993, 1995
40 1.1 mycroft * The Regents of the University of California. All rights reserved.
41 1.1 mycroft *
42 1.1 mycroft * Redistribution and use in source and binary forms, with or without
43 1.1 mycroft * modification, are permitted provided that the following conditions
44 1.1 mycroft * are met:
45 1.1 mycroft * 1. Redistributions of source code must retain the above copyright
46 1.1 mycroft * notice, this list of conditions and the following disclaimer.
47 1.1 mycroft * 2. Redistributions in binary form must reproduce the above copyright
48 1.1 mycroft * notice, this list of conditions and the following disclaimer in the
49 1.1 mycroft * documentation and/or other materials provided with the distribution.
50 1.1 mycroft * 3. All advertising materials mentioning features or use of this software
51 1.1 mycroft * must display the following acknowledgement:
52 1.1 mycroft * This product includes software developed by the University of
53 1.1 mycroft * California, Berkeley and its contributors.
54 1.1 mycroft * 4. Neither the name of the University nor the names of its contributors
55 1.1 mycroft * may be used to endorse or promote products derived from this software
56 1.1 mycroft * without specific prior written permission.
57 1.1 mycroft *
58 1.1 mycroft * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
59 1.1 mycroft * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
60 1.1 mycroft * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
61 1.1 mycroft * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
62 1.1 mycroft * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
63 1.1 mycroft * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
64 1.1 mycroft * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
65 1.1 mycroft * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
66 1.1 mycroft * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
67 1.1 mycroft * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
68 1.1 mycroft * SUCH DAMAGE.
69 1.1 mycroft *
70 1.15 fvdl * @(#)lfs_vnops.c 8.13 (Berkeley) 6/10/95
71 1.1 mycroft */
72 1.17 sommerfe
73 1.1 mycroft #include <sys/param.h>
74 1.1 mycroft #include <sys/systm.h>
75 1.1 mycroft #include <sys/namei.h>
76 1.1 mycroft #include <sys/resourcevar.h>
77 1.1 mycroft #include <sys/kernel.h>
78 1.1 mycroft #include <sys/file.h>
79 1.1 mycroft #include <sys/stat.h>
80 1.1 mycroft #include <sys/buf.h>
81 1.1 mycroft #include <sys/proc.h>
82 1.1 mycroft #include <sys/conf.h>
83 1.1 mycroft #include <sys/mount.h>
84 1.1 mycroft #include <sys/vnode.h>
85 1.1 mycroft #include <sys/malloc.h>
86 1.19 thorpej #include <sys/pool.h>
87 1.10 christos #include <sys/signalvar.h>
88 1.1 mycroft
89 1.1 mycroft #include <vm/vm.h>
90 1.1 mycroft
91 1.12 mycroft #include <miscfs/fifofs/fifo.h>
92 1.12 mycroft #include <miscfs/genfs/genfs.h>
93 1.1 mycroft #include <miscfs/specfs/specdev.h>
94 1.1 mycroft
95 1.1 mycroft #include <ufs/ufs/quota.h>
96 1.1 mycroft #include <ufs/ufs/inode.h>
97 1.1 mycroft #include <ufs/ufs/dir.h>
98 1.1 mycroft #include <ufs/ufs/ufsmount.h>
99 1.1 mycroft #include <ufs/ufs/ufs_extern.h>
100 1.1 mycroft
101 1.1 mycroft #include <ufs/lfs/lfs.h>
102 1.1 mycroft #include <ufs/lfs/lfs_extern.h>
103 1.1 mycroft
104 1.1 mycroft /* Global vfs data structures for lfs. */
105 1.10 christos int (**lfs_vnodeop_p) __P((void *));
106 1.1 mycroft struct vnodeopv_entry_desc lfs_vnodeop_entries[] = {
107 1.1 mycroft { &vop_default_desc, vn_default_error },
108 1.1 mycroft { &vop_lookup_desc, ufs_lookup }, /* lookup */
109 1.22 perseant #ifndef LFS_USEDIROP
110 1.1 mycroft { &vop_create_desc, ufs_create }, /* create */
111 1.6 mycroft { &vop_whiteout_desc, ufs_whiteout }, /* whiteout */
112 1.1 mycroft { &vop_mknod_desc, ufs_mknod }, /* mknod */
113 1.22 perseant #else
114 1.22 perseant { &vop_create_desc, lfs_create }, /* create */
115 1.22 perseant { &vop_whiteout_desc, lfs_whiteout }, /* whiteout */
116 1.22 perseant { &vop_mknod_desc, lfs_mknod }, /* mknod */
117 1.22 perseant #endif
118 1.1 mycroft { &vop_open_desc, ufs_open }, /* open */
119 1.1 mycroft { &vop_close_desc, lfs_close }, /* close */
120 1.1 mycroft { &vop_access_desc, ufs_access }, /* access */
121 1.1 mycroft { &vop_getattr_desc, lfs_getattr }, /* getattr */
122 1.1 mycroft { &vop_setattr_desc, ufs_setattr }, /* setattr */
123 1.1 mycroft { &vop_read_desc, lfs_read }, /* read */
124 1.1 mycroft { &vop_write_desc, lfs_write }, /* write */
125 1.4 mycroft { &vop_lease_desc, ufs_lease_check }, /* lease */
126 1.1 mycroft { &vop_ioctl_desc, ufs_ioctl }, /* ioctl */
127 1.13 mycroft { &vop_poll_desc, ufs_poll }, /* poll */
128 1.15 fvdl { &vop_revoke_desc, ufs_revoke }, /* revoke */
129 1.1 mycroft { &vop_mmap_desc, ufs_mmap }, /* mmap */
130 1.1 mycroft { &vop_fsync_desc, lfs_fsync }, /* fsync */
131 1.1 mycroft { &vop_seek_desc, ufs_seek }, /* seek */
132 1.22 perseant #ifndef LFS_USEDIROP
133 1.1 mycroft { &vop_remove_desc, ufs_remove }, /* remove */
134 1.1 mycroft { &vop_link_desc, ufs_link }, /* link */
135 1.1 mycroft { &vop_rename_desc, ufs_rename }, /* rename */
136 1.1 mycroft { &vop_mkdir_desc, ufs_mkdir }, /* mkdir */
137 1.1 mycroft { &vop_rmdir_desc, ufs_rmdir }, /* rmdir */
138 1.1 mycroft { &vop_symlink_desc, ufs_symlink }, /* symlink */
139 1.22 perseant #else
140 1.22 perseant { &vop_remove_desc, lfs_remove }, /* remove */
141 1.22 perseant { &vop_link_desc, lfs_link }, /* link */
142 1.22 perseant { &vop_rename_desc, lfs_rename }, /* rename */
143 1.22 perseant { &vop_mkdir_desc, lfs_mkdir }, /* mkdir */
144 1.22 perseant { &vop_rmdir_desc, lfs_rmdir }, /* rmdir */
145 1.22 perseant { &vop_symlink_desc, lfs_symlink }, /* symlink */
146 1.22 perseant #endif
147 1.1 mycroft { &vop_readdir_desc, ufs_readdir }, /* readdir */
148 1.1 mycroft { &vop_readlink_desc, ufs_readlink }, /* readlink */
149 1.1 mycroft { &vop_abortop_desc, ufs_abortop }, /* abortop */
150 1.15 fvdl { &vop_inactive_desc, ufs_inactive }, /* inactive */
151 1.1 mycroft { &vop_reclaim_desc, lfs_reclaim }, /* reclaim */
152 1.1 mycroft { &vop_lock_desc, ufs_lock }, /* lock */
153 1.1 mycroft { &vop_unlock_desc, ufs_unlock }, /* unlock */
154 1.1 mycroft { &vop_bmap_desc, ufs_bmap }, /* bmap */
155 1.1 mycroft { &vop_strategy_desc, ufs_strategy }, /* strategy */
156 1.1 mycroft { &vop_print_desc, ufs_print }, /* print */
157 1.1 mycroft { &vop_islocked_desc, ufs_islocked }, /* islocked */
158 1.1 mycroft { &vop_pathconf_desc, ufs_pathconf }, /* pathconf */
159 1.1 mycroft { &vop_advlock_desc, ufs_advlock }, /* advlock */
160 1.1 mycroft { &vop_blkatoff_desc, lfs_blkatoff }, /* blkatoff */
161 1.1 mycroft { &vop_valloc_desc, lfs_valloc }, /* valloc */
162 1.1 mycroft { &vop_vfree_desc, lfs_vfree }, /* vfree */
163 1.1 mycroft { &vop_truncate_desc, lfs_truncate }, /* truncate */
164 1.1 mycroft { &vop_update_desc, lfs_update }, /* update */
165 1.1 mycroft { &vop_bwrite_desc, lfs_bwrite }, /* bwrite */
166 1.10 christos { (struct vnodeop_desc*)NULL, (int(*) __P((void *)))NULL }
167 1.1 mycroft };
168 1.1 mycroft struct vnodeopv_desc lfs_vnodeop_opv_desc =
169 1.1 mycroft { &lfs_vnodeop_p, lfs_vnodeop_entries };
170 1.1 mycroft
171 1.10 christos int (**lfs_specop_p) __P((void *));
172 1.1 mycroft struct vnodeopv_entry_desc lfs_specop_entries[] = {
173 1.1 mycroft { &vop_default_desc, vn_default_error },
174 1.1 mycroft { &vop_lookup_desc, spec_lookup }, /* lookup */
175 1.1 mycroft { &vop_create_desc, spec_create }, /* create */
176 1.1 mycroft { &vop_mknod_desc, spec_mknod }, /* mknod */
177 1.1 mycroft { &vop_open_desc, spec_open }, /* open */
178 1.1 mycroft { &vop_close_desc, ufsspec_close }, /* close */
179 1.1 mycroft { &vop_access_desc, ufs_access }, /* access */
180 1.1 mycroft { &vop_getattr_desc, lfs_getattr }, /* getattr */
181 1.1 mycroft { &vop_setattr_desc, ufs_setattr }, /* setattr */
182 1.1 mycroft { &vop_read_desc, ufsspec_read }, /* read */
183 1.1 mycroft { &vop_write_desc, ufsspec_write }, /* write */
184 1.4 mycroft { &vop_lease_desc, spec_lease_check }, /* lease */
185 1.1 mycroft { &vop_ioctl_desc, spec_ioctl }, /* ioctl */
186 1.13 mycroft { &vop_poll_desc, spec_poll }, /* poll */
187 1.15 fvdl { &vop_revoke_desc, spec_revoke }, /* revoke */
188 1.1 mycroft { &vop_mmap_desc, spec_mmap }, /* mmap */
189 1.1 mycroft { &vop_fsync_desc, spec_fsync }, /* fsync */
190 1.1 mycroft { &vop_seek_desc, spec_seek }, /* seek */
191 1.1 mycroft { &vop_remove_desc, spec_remove }, /* remove */
192 1.1 mycroft { &vop_link_desc, spec_link }, /* link */
193 1.1 mycroft { &vop_rename_desc, spec_rename }, /* rename */
194 1.1 mycroft { &vop_mkdir_desc, spec_mkdir }, /* mkdir */
195 1.1 mycroft { &vop_rmdir_desc, spec_rmdir }, /* rmdir */
196 1.1 mycroft { &vop_symlink_desc, spec_symlink }, /* symlink */
197 1.1 mycroft { &vop_readdir_desc, spec_readdir }, /* readdir */
198 1.1 mycroft { &vop_readlink_desc, spec_readlink }, /* readlink */
199 1.1 mycroft { &vop_abortop_desc, spec_abortop }, /* abortop */
200 1.15 fvdl { &vop_inactive_desc, ufs_inactive }, /* inactive */
201 1.1 mycroft { &vop_reclaim_desc, lfs_reclaim }, /* reclaim */
202 1.1 mycroft { &vop_lock_desc, ufs_lock }, /* lock */
203 1.1 mycroft { &vop_unlock_desc, ufs_unlock }, /* unlock */
204 1.1 mycroft { &vop_bmap_desc, spec_bmap }, /* bmap */
205 1.1 mycroft { &vop_strategy_desc, spec_strategy }, /* strategy */
206 1.1 mycroft { &vop_print_desc, ufs_print }, /* print */
207 1.1 mycroft { &vop_islocked_desc, ufs_islocked }, /* islocked */
208 1.1 mycroft { &vop_pathconf_desc, spec_pathconf }, /* pathconf */
209 1.1 mycroft { &vop_advlock_desc, spec_advlock }, /* advlock */
210 1.1 mycroft { &vop_blkatoff_desc, spec_blkatoff }, /* blkatoff */
211 1.1 mycroft { &vop_valloc_desc, spec_valloc }, /* valloc */
212 1.1 mycroft { &vop_vfree_desc, lfs_vfree }, /* vfree */
213 1.1 mycroft { &vop_truncate_desc, spec_truncate }, /* truncate */
214 1.1 mycroft { &vop_update_desc, lfs_update }, /* update */
215 1.1 mycroft { &vop_bwrite_desc, lfs_bwrite }, /* bwrite */
216 1.10 christos { (struct vnodeop_desc*)NULL, (int(*) __P((void *)))NULL }
217 1.1 mycroft };
218 1.1 mycroft struct vnodeopv_desc lfs_specop_opv_desc =
219 1.1 mycroft { &lfs_specop_p, lfs_specop_entries };
220 1.1 mycroft
221 1.10 christos int (**lfs_fifoop_p) __P((void *));
222 1.1 mycroft struct vnodeopv_entry_desc lfs_fifoop_entries[] = {
223 1.1 mycroft { &vop_default_desc, vn_default_error },
224 1.1 mycroft { &vop_lookup_desc, fifo_lookup }, /* lookup */
225 1.1 mycroft { &vop_create_desc, fifo_create }, /* create */
226 1.1 mycroft { &vop_mknod_desc, fifo_mknod }, /* mknod */
227 1.1 mycroft { &vop_open_desc, fifo_open }, /* open */
228 1.1 mycroft { &vop_close_desc, ufsfifo_close }, /* close */
229 1.1 mycroft { &vop_access_desc, ufs_access }, /* access */
230 1.1 mycroft { &vop_getattr_desc, lfs_getattr }, /* getattr */
231 1.1 mycroft { &vop_setattr_desc, ufs_setattr }, /* setattr */
232 1.1 mycroft { &vop_read_desc, ufsfifo_read }, /* read */
233 1.1 mycroft { &vop_write_desc, ufsfifo_write }, /* write */
234 1.4 mycroft { &vop_lease_desc, fifo_lease_check }, /* lease */
235 1.1 mycroft { &vop_ioctl_desc, fifo_ioctl }, /* ioctl */
236 1.13 mycroft { &vop_poll_desc, fifo_poll }, /* poll */
237 1.15 fvdl { &vop_revoke_desc, fifo_revoke }, /* revoke */
238 1.1 mycroft { &vop_mmap_desc, fifo_mmap }, /* mmap */
239 1.1 mycroft { &vop_fsync_desc, fifo_fsync }, /* fsync */
240 1.1 mycroft { &vop_seek_desc, fifo_seek }, /* seek */
241 1.1 mycroft { &vop_remove_desc, fifo_remove }, /* remove */
242 1.1 mycroft { &vop_link_desc, fifo_link }, /* link */
243 1.1 mycroft { &vop_rename_desc, fifo_rename }, /* rename */
244 1.1 mycroft { &vop_mkdir_desc, fifo_mkdir }, /* mkdir */
245 1.1 mycroft { &vop_rmdir_desc, fifo_rmdir }, /* rmdir */
246 1.1 mycroft { &vop_symlink_desc, fifo_symlink }, /* symlink */
247 1.1 mycroft { &vop_readdir_desc, fifo_readdir }, /* readdir */
248 1.1 mycroft { &vop_readlink_desc, fifo_readlink }, /* readlink */
249 1.1 mycroft { &vop_abortop_desc, fifo_abortop }, /* abortop */
250 1.15 fvdl { &vop_inactive_desc, ufs_inactive }, /* inactive */
251 1.1 mycroft { &vop_reclaim_desc, lfs_reclaim }, /* reclaim */
252 1.1 mycroft { &vop_lock_desc, ufs_lock }, /* lock */
253 1.1 mycroft { &vop_unlock_desc, ufs_unlock }, /* unlock */
254 1.1 mycroft { &vop_bmap_desc, fifo_bmap }, /* bmap */
255 1.1 mycroft { &vop_strategy_desc, fifo_strategy }, /* strategy */
256 1.1 mycroft { &vop_print_desc, ufs_print }, /* print */
257 1.1 mycroft { &vop_islocked_desc, ufs_islocked }, /* islocked */
258 1.1 mycroft { &vop_pathconf_desc, fifo_pathconf }, /* pathconf */
259 1.1 mycroft { &vop_advlock_desc, fifo_advlock }, /* advlock */
260 1.1 mycroft { &vop_blkatoff_desc, fifo_blkatoff }, /* blkatoff */
261 1.1 mycroft { &vop_valloc_desc, fifo_valloc }, /* valloc */
262 1.1 mycroft { &vop_vfree_desc, lfs_vfree }, /* vfree */
263 1.1 mycroft { &vop_truncate_desc, fifo_truncate }, /* truncate */
264 1.1 mycroft { &vop_update_desc, lfs_update }, /* update */
265 1.1 mycroft { &vop_bwrite_desc, lfs_bwrite }, /* bwrite */
266 1.10 christos { (struct vnodeop_desc*)NULL, (int(*) __P((void *)))NULL }
267 1.1 mycroft };
268 1.1 mycroft struct vnodeopv_desc lfs_fifoop_opv_desc =
269 1.1 mycroft { &lfs_fifoop_p, lfs_fifoop_entries };
270 1.1 mycroft
271 1.1 mycroft #define LFS_READWRITE
272 1.1 mycroft #include <ufs/ufs/ufs_readwrite.c>
273 1.1 mycroft #undef LFS_READWRITE
274 1.1 mycroft
275 1.1 mycroft /*
276 1.1 mycroft * Synch an open file.
277 1.1 mycroft */
278 1.1 mycroft /* ARGSUSED */
279 1.10 christos int
280 1.10 christos lfs_fsync(v)
281 1.10 christos void *v;
282 1.10 christos {
283 1.1 mycroft struct vop_fsync_args /* {
284 1.1 mycroft struct vnode *a_vp;
285 1.1 mycroft struct ucred *a_cred;
286 1.22 perseant int a_flags;
287 1.1 mycroft struct proc *a_p;
288 1.10 christos } */ *ap = v;
289 1.22 perseant
290 1.21 mycroft return (VOP_UPDATE(ap->a_vp, NULL, NULL,
291 1.22 perseant (ap->a_flags & FSYNC_WAIT) != 0 ? LFS_SYNC : 0)); /* XXX */
292 1.1 mycroft }
293 1.1 mycroft
294 1.22 perseant #ifdef LFS_USEDIROP
295 1.1 mycroft /*
296 1.1 mycroft * These macros are used to bracket UFS directory ops, so that we can
297 1.1 mycroft * identify all the pages touched during directory ops which need to
298 1.1 mycroft * be ordered and flushed atomically, so that they may be recovered.
299 1.1 mycroft */
300 1.22 perseant /*
301 1.22 perseant * XXX KS - Because we have to mark nodes VDIROP in order to prevent
302 1.22 perseant * the cache from reclaiming them while a dirop is in progress, we must
303 1.22 perseant * also manage the number of nodes so marked (otherwise we can run out).
304 1.22 perseant * We do this by setting lfs_dirvcount to the number of marked vnodes; it
305 1.22 perseant * is decremented during segment write, when VDIROP is taken off.
306 1.22 perseant */
307 1.1 mycroft #define SET_DIROP(fs) { \
308 1.22 perseant while ((fs)->lfs_writer || (fs)->lfs_dirvcount>LFS_MAXDIROP) { \
309 1.22 perseant if((fs)->lfs_writer) \
310 1.22 perseant tsleep(&(fs)->lfs_dirops, PRIBIO + 1, "lfs_dirop", 0);\
311 1.22 perseant if((fs)->lfs_dirvcount > LFS_MAXDIROP) { \
312 1.22 perseant printf("(dirvcount=%d)\n",(fs)->lfs_dirvcount); \
313 1.22 perseant tsleep(&(fs)->lfs_dirvcount, PRIBIO + 1, "lfs_maxdirop", 0);\
314 1.22 perseant } \
315 1.22 perseant } \
316 1.1 mycroft ++(fs)->lfs_dirops; \
317 1.1 mycroft (fs)->lfs_doifile = 1; \
318 1.1 mycroft }
319 1.1 mycroft
320 1.1 mycroft #define SET_ENDOP(fs) { \
321 1.1 mycroft --(fs)->lfs_dirops; \
322 1.22 perseant if (!(fs)->lfs_dirops) { \
323 1.1 mycroft wakeup(&(fs)->lfs_writer); \
324 1.22 perseant if ((fs)->lfs_dirvcount > LFS_MAXDIROP) \
325 1.22 perseant lfs_flush((fs),0); \
326 1.22 perseant } \
327 1.1 mycroft }
328 1.1 mycroft
329 1.22 perseant #define MARK_VNODE(dvp) do { \
330 1.22 perseant if(!((dvp)->v_flag & VDIROP)) { \
331 1.22 perseant lfs_vref(dvp); \
332 1.22 perseant ++VTOI((dvp))->i_lfs->lfs_dirvcount; \
333 1.22 perseant } \
334 1.22 perseant (dvp)->v_flag |= VDIROP; \
335 1.22 perseant } while(0)
336 1.15 fvdl
337 1.1 mycroft int
338 1.10 christos lfs_symlink(v)
339 1.10 christos void *v;
340 1.10 christos {
341 1.1 mycroft struct vop_symlink_args /* {
342 1.1 mycroft struct vnode *a_dvp;
343 1.1 mycroft struct vnode **a_vpp;
344 1.1 mycroft struct componentname *a_cnp;
345 1.1 mycroft struct vattr *a_vap;
346 1.1 mycroft char *a_target;
347 1.10 christos } */ *ap = v;
348 1.1 mycroft int ret;
349 1.1 mycroft
350 1.1 mycroft SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
351 1.1 mycroft MARK_VNODE(ap->a_dvp);
352 1.1 mycroft ret = ufs_symlink(ap);
353 1.1 mycroft SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
354 1.1 mycroft return (ret);
355 1.1 mycroft }
356 1.1 mycroft
357 1.1 mycroft int
358 1.10 christos lfs_mknod(v)
359 1.10 christos void *v;
360 1.10 christos {
361 1.22 perseant struct vop_mknod_args /* {
362 1.1 mycroft struct vnode *a_dvp;
363 1.1 mycroft struct vnode **a_vpp;
364 1.1 mycroft struct componentname *a_cnp;
365 1.1 mycroft struct vattr *a_vap;
366 1.22 perseant } */ *ap = v;
367 1.1 mycroft int ret;
368 1.1 mycroft
369 1.1 mycroft SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
370 1.1 mycroft MARK_VNODE(ap->a_dvp);
371 1.1 mycroft ret = ufs_mknod(ap);
372 1.1 mycroft SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
373 1.1 mycroft return (ret);
374 1.1 mycroft }
375 1.1 mycroft
376 1.1 mycroft int
377 1.10 christos lfs_create(v)
378 1.10 christos void *v;
379 1.10 christos {
380 1.22 perseant struct vop_create_args /* {
381 1.1 mycroft struct vnode *a_dvp;
382 1.1 mycroft struct vnode **a_vpp;
383 1.1 mycroft struct componentname *a_cnp;
384 1.1 mycroft struct vattr *a_vap;
385 1.10 christos } */ *ap = v;
386 1.1 mycroft int ret;
387 1.1 mycroft
388 1.1 mycroft SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
389 1.1 mycroft MARK_VNODE(ap->a_dvp);
390 1.1 mycroft ret = ufs_create(ap);
391 1.1 mycroft SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
392 1.1 mycroft return (ret);
393 1.1 mycroft }
394 1.1 mycroft
395 1.1 mycroft int
396 1.22 perseant lfs_whiteout(v)
397 1.22 perseant void *v;
398 1.22 perseant {
399 1.22 perseant struct vop_whiteout_args /* {
400 1.22 perseant struct vnode *a_dvp;
401 1.22 perseant struct componentname *a_cnp;
402 1.22 perseant int a_flags;
403 1.22 perseant } */ *ap = v;
404 1.22 perseant int ret;
405 1.22 perseant
406 1.22 perseant SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
407 1.22 perseant MARK_VNODE(ap->a_dvp);
408 1.22 perseant ret = ufs_whiteout(ap);
409 1.22 perseant SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
410 1.22 perseant return (ret);
411 1.22 perseant }
412 1.22 perseant
413 1.22 perseant int
414 1.10 christos lfs_mkdir(v)
415 1.10 christos void *v;
416 1.10 christos {
417 1.22 perseant struct vop_mkdir_args /* {
418 1.1 mycroft struct vnode *a_dvp;
419 1.1 mycroft struct vnode **a_vpp;
420 1.1 mycroft struct componentname *a_cnp;
421 1.1 mycroft struct vattr *a_vap;
422 1.10 christos } */ *ap = v;
423 1.1 mycroft int ret;
424 1.1 mycroft
425 1.1 mycroft SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
426 1.1 mycroft MARK_VNODE(ap->a_dvp);
427 1.1 mycroft ret = ufs_mkdir(ap);
428 1.1 mycroft SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
429 1.1 mycroft return (ret);
430 1.1 mycroft }
431 1.1 mycroft
432 1.1 mycroft int
433 1.10 christos lfs_remove(v)
434 1.10 christos void *v;
435 1.10 christos {
436 1.22 perseant struct vop_remove_args /* {
437 1.1 mycroft struct vnode *a_dvp;
438 1.1 mycroft struct vnode *a_vp;
439 1.1 mycroft struct componentname *a_cnp;
440 1.10 christos } */ *ap = v;
441 1.1 mycroft int ret;
442 1.1 mycroft
443 1.1 mycroft SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
444 1.1 mycroft MARK_VNODE(ap->a_dvp);
445 1.1 mycroft MARK_VNODE(ap->a_vp);
446 1.1 mycroft ret = ufs_remove(ap);
447 1.1 mycroft SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
448 1.1 mycroft return (ret);
449 1.1 mycroft }
450 1.1 mycroft
451 1.1 mycroft int
452 1.10 christos lfs_rmdir(v)
453 1.10 christos void *v;
454 1.10 christos {
455 1.22 perseant struct vop_rmdir_args /* {
456 1.1 mycroft struct vnodeop_desc *a_desc;
457 1.1 mycroft struct vnode *a_dvp;
458 1.1 mycroft struct vnode *a_vp;
459 1.1 mycroft struct componentname *a_cnp;
460 1.10 christos } */ *ap = v;
461 1.1 mycroft int ret;
462 1.1 mycroft
463 1.1 mycroft SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
464 1.1 mycroft MARK_VNODE(ap->a_dvp);
465 1.1 mycroft MARK_VNODE(ap->a_vp);
466 1.1 mycroft ret = ufs_rmdir(ap);
467 1.1 mycroft SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
468 1.1 mycroft return (ret);
469 1.1 mycroft }
470 1.1 mycroft
471 1.1 mycroft int
472 1.10 christos lfs_link(v)
473 1.10 christos void *v;
474 1.10 christos {
475 1.22 perseant struct vop_link_args /* {
476 1.9 mycroft struct vnode *a_dvp;
477 1.1 mycroft struct vnode *a_vp;
478 1.1 mycroft struct componentname *a_cnp;
479 1.10 christos } */ *ap = v;
480 1.1 mycroft int ret;
481 1.1 mycroft
482 1.9 mycroft SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
483 1.9 mycroft MARK_VNODE(ap->a_dvp);
484 1.1 mycroft ret = ufs_link(ap);
485 1.9 mycroft SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
486 1.1 mycroft return (ret);
487 1.1 mycroft }
488 1.22 perseant
489 1.1 mycroft int
490 1.10 christos lfs_rename(v)
491 1.10 christos void *v;
492 1.10 christos {
493 1.22 perseant struct vop_rename_args /* {
494 1.1 mycroft struct vnode *a_fdvp;
495 1.1 mycroft struct vnode *a_fvp;
496 1.1 mycroft struct componentname *a_fcnp;
497 1.1 mycroft struct vnode *a_tdvp;
498 1.1 mycroft struct vnode *a_tvp;
499 1.1 mycroft struct componentname *a_tcnp;
500 1.10 christos } */ *ap = v;
501 1.1 mycroft int ret;
502 1.22 perseant
503 1.1 mycroft SET_DIROP(VTOI(ap->a_fdvp)->i_lfs);
504 1.1 mycroft MARK_VNODE(ap->a_fdvp);
505 1.1 mycroft MARK_VNODE(ap->a_tdvp);
506 1.1 mycroft ret = ufs_rename(ap);
507 1.1 mycroft SET_ENDOP(VTOI(ap->a_fdvp)->i_lfs);
508 1.1 mycroft return (ret);
509 1.1 mycroft }
510 1.22 perseant #endif /* LFS_USEDIROP */
511 1.22 perseant
512 1.1 mycroft /* XXX hack to avoid calling ITIMES in getattr */
513 1.1 mycroft int
514 1.10 christos lfs_getattr(v)
515 1.10 christos void *v;
516 1.10 christos {
517 1.1 mycroft struct vop_getattr_args /* {
518 1.1 mycroft struct vnode *a_vp;
519 1.1 mycroft struct vattr *a_vap;
520 1.1 mycroft struct ucred *a_cred;
521 1.1 mycroft struct proc *a_p;
522 1.10 christos } */ *ap = v;
523 1.1 mycroft register struct vnode *vp = ap->a_vp;
524 1.1 mycroft register struct inode *ip = VTOI(vp);
525 1.1 mycroft register struct vattr *vap = ap->a_vap;
526 1.1 mycroft /*
527 1.1 mycroft * Copy from inode table
528 1.1 mycroft */
529 1.1 mycroft vap->va_fsid = ip->i_dev;
530 1.1 mycroft vap->va_fileid = ip->i_number;
531 1.14 bouyer vap->va_mode = ip->i_ffs_mode & ~IFMT;
532 1.14 bouyer vap->va_nlink = ip->i_ffs_nlink;
533 1.14 bouyer vap->va_uid = ip->i_ffs_uid;
534 1.14 bouyer vap->va_gid = ip->i_ffs_gid;
535 1.14 bouyer vap->va_rdev = (dev_t)ip->i_ffs_rdev;
536 1.14 bouyer vap->va_size = ip->i_ffs_size;
537 1.14 bouyer vap->va_atime.tv_sec = ip->i_ffs_atime;
538 1.14 bouyer vap->va_atime.tv_nsec = ip->i_ffs_atimensec;
539 1.14 bouyer vap->va_mtime.tv_sec = ip->i_ffs_mtime;
540 1.14 bouyer vap->va_mtime.tv_nsec = ip->i_ffs_mtimensec;
541 1.14 bouyer vap->va_ctime.tv_sec = ip->i_ffs_ctime;
542 1.14 bouyer vap->va_ctime.tv_nsec = ip->i_ffs_ctimensec;
543 1.14 bouyer vap->va_flags = ip->i_ffs_flags;
544 1.14 bouyer vap->va_gen = ip->i_ffs_gen;
545 1.1 mycroft /* this doesn't belong here */
546 1.1 mycroft if (vp->v_type == VBLK)
547 1.1 mycroft vap->va_blocksize = BLKDEV_IOSIZE;
548 1.1 mycroft else if (vp->v_type == VCHR)
549 1.1 mycroft vap->va_blocksize = MAXBSIZE;
550 1.1 mycroft else
551 1.1 mycroft vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize;
552 1.20 cgd vap->va_bytes = dbtob((u_quad_t)ip->i_ffs_blocks);
553 1.1 mycroft vap->va_type = vp->v_type;
554 1.1 mycroft vap->va_filerev = ip->i_modrev;
555 1.1 mycroft return (0);
556 1.1 mycroft }
557 1.22 perseant
558 1.1 mycroft /*
559 1.1 mycroft * Close called
560 1.1 mycroft *
561 1.1 mycroft * XXX -- we were using ufs_close, but since it updates the
562 1.1 mycroft * times on the inode, we might need to bump the uinodes
563 1.1 mycroft * count.
564 1.1 mycroft */
565 1.1 mycroft /* ARGSUSED */
566 1.1 mycroft int
567 1.10 christos lfs_close(v)
568 1.10 christos void *v;
569 1.10 christos {
570 1.1 mycroft struct vop_close_args /* {
571 1.1 mycroft struct vnode *a_vp;
572 1.1 mycroft int a_fflag;
573 1.1 mycroft struct ucred *a_cred;
574 1.1 mycroft struct proc *a_p;
575 1.10 christos } */ *ap = v;
576 1.1 mycroft register struct vnode *vp = ap->a_vp;
577 1.1 mycroft register struct inode *ip = VTOI(vp);
578 1.1 mycroft int mod;
579 1.12 mycroft struct timespec ts;
580 1.1 mycroft
581 1.15 fvdl simple_lock(&vp->v_interlock);
582 1.15 fvdl if (vp->v_usecount > 1) {
583 1.1 mycroft mod = ip->i_flag & IN_MODIFIED;
584 1.12 mycroft TIMEVAL_TO_TIMESPEC(&time, &ts);
585 1.22 perseant LFS_ITIMES(ip, &ts, &ts, &ts);
586 1.1 mycroft if (!mod && ip->i_flag & IN_MODIFIED)
587 1.1 mycroft ip->i_lfs->lfs_uinodes++;
588 1.1 mycroft }
589 1.15 fvdl simple_unlock(&vp->v_interlock);
590 1.1 mycroft return (0);
591 1.1 mycroft }
592 1.1 mycroft
593 1.1 mycroft /*
594 1.15 fvdl * Reclaim an inode so that it can be used for other purposes.
595 1.1 mycroft */
596 1.1 mycroft int lfs_no_inactive = 0;
597 1.1 mycroft
598 1.1 mycroft int
599 1.10 christos lfs_reclaim(v)
600 1.10 christos void *v;
601 1.10 christos {
602 1.1 mycroft struct vop_reclaim_args /* {
603 1.1 mycroft struct vnode *a_vp;
604 1.15 fvdl struct proc *a_p;
605 1.10 christos } */ *ap = v;
606 1.15 fvdl struct vnode *vp = ap->a_vp;
607 1.1 mycroft int error;
608 1.1 mycroft
609 1.15 fvdl if ((error = ufs_reclaim(vp, ap->a_p)))
610 1.1 mycroft return (error);
611 1.19 thorpej pool_put(&lfs_inode_pool, vp->v_data);
612 1.1 mycroft vp->v_data = NULL;
613 1.1 mycroft return (0);
614 1.1 mycroft }
615