Commit | Line | Data |
---|---|---|
a2907882 KM |
1 | /* |
2 | * Copyright (c) 1989 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This code is derived from software contributed to Berkeley by | |
6 | * Rick Macklem at The University of Guelph. | |
7 | * | |
dbf0c423 | 8 | * %sccs.include.redist.c% |
a2907882 | 9 | * |
d60a94eb | 10 | * @(#)nfs_vnops.c 7.90 (Berkeley) %G% |
a2907882 KM |
11 | */ |
12 | ||
13 | /* | |
14 | * vnode op calls for sun nfs version 2 | |
15 | */ | |
16 | ||
400a1380 KM |
17 | #include <sys/param.h> |
18 | #include <sys/proc.h> | |
19 | #include <sys/kernel.h> | |
20 | #include <sys/systm.h> | |
21 | #include <sys/mount.h> | |
22 | #include <sys/buf.h> | |
23 | #include <sys/malloc.h> | |
24 | #include <sys/mbuf.h> | |
25 | #include <sys/conf.h> | |
26 | #include <sys/namei.h> | |
27 | #include <sys/vnode.h> | |
400a1380 | 28 | #include <sys/map.h> |
2cf9602a | 29 | #include <sys/dirent.h> |
058dee65 | 30 | |
400a1380 KM |
31 | #include <vm/vm.h> |
32 | ||
cad92b22 KM |
33 | #include <miscfs/specfs/specdev.h> |
34 | #include <miscfs/fifofs/fifo.h> | |
35 | ||
400a1380 KM |
36 | #include <nfs/rpcv2.h> |
37 | #include <nfs/nfsv2.h> | |
38 | #include <nfs/nfs.h> | |
39 | #include <nfs/nfsnode.h> | |
40 | #include <nfs/nfsmount.h> | |
41 | #include <nfs/xdr_subs.h> | |
42 | #include <nfs/nfsm_subs.h> | |
43 | #include <nfs/nqnfs.h> | |
a2907882 KM |
44 | |
45 | /* Defs */ | |
46 | #define TRUE 1 | |
47 | #define FALSE 0 | |
48 | ||
26cb2431 KM |
49 | /* |
50 | * Global vfs data structures for nfs | |
51 | */ | |
9342689a JH |
52 | int (**nfsv2_vnodeop_p)(); |
53 | struct vnodeopv_entry_desc nfsv2_vnodeop_entries[] = { | |
54 | { &vop_default_desc, vn_default_error }, | |
d40530c6 KM |
55 | { &vop_lookup_desc, nfs_lookup }, /* lookup */ |
56 | { &vop_create_desc, nfs_create }, /* create */ | |
9342689a JH |
57 | { &vop_mknod_desc, nfs_mknod }, /* mknod */ |
58 | { &vop_open_desc, nfs_open }, /* open */ | |
59 | { &vop_close_desc, nfs_close }, /* close */ | |
d40530c6 KM |
60 | { &vop_access_desc, nfs_access }, /* access */ |
61 | { &vop_getattr_desc, nfs_getattr }, /* getattr */ | |
62 | { &vop_setattr_desc, nfs_setattr }, /* setattr */ | |
9342689a JH |
63 | { &vop_read_desc, nfs_read }, /* read */ |
64 | { &vop_write_desc, nfs_write }, /* write */ | |
65 | { &vop_ioctl_desc, nfs_ioctl }, /* ioctl */ | |
d40530c6 | 66 | { &vop_select_desc, nfs_select }, /* select */ |
9342689a JH |
67 | { &vop_mmap_desc, nfs_mmap }, /* mmap */ |
68 | { &vop_fsync_desc, nfs_fsync }, /* fsync */ | |
69 | { &vop_seek_desc, nfs_seek }, /* seek */ | |
d40530c6 | 70 | { &vop_remove_desc, nfs_remove }, /* remove */ |
9342689a | 71 | { &vop_link_desc, nfs_link }, /* link */ |
d40530c6 | 72 | { &vop_rename_desc, nfs_rename }, /* rename */ |
9342689a JH |
73 | { &vop_mkdir_desc, nfs_mkdir }, /* mkdir */ |
74 | { &vop_rmdir_desc, nfs_rmdir }, /* rmdir */ | |
d40530c6 KM |
75 | { &vop_symlink_desc, nfs_symlink }, /* symlink */ |
76 | { &vop_readdir_desc, nfs_readdir }, /* readdir */ | |
77 | { &vop_readlink_desc, nfs_readlink }, /* readlink */ | |
78 | { &vop_abortop_desc, nfs_abortop }, /* abortop */ | |
79 | { &vop_inactive_desc, nfs_inactive }, /* inactive */ | |
80 | { &vop_reclaim_desc, nfs_reclaim }, /* reclaim */ | |
9342689a | 81 | { &vop_lock_desc, nfs_lock }, /* lock */ |
d40530c6 | 82 | { &vop_unlock_desc, nfs_unlock }, /* unlock */ |
9342689a | 83 | { &vop_bmap_desc, nfs_bmap }, /* bmap */ |
d40530c6 | 84 | { &vop_strategy_desc, nfs_strategy }, /* strategy */ |
9342689a | 85 | { &vop_print_desc, nfs_print }, /* print */ |
d40530c6 KM |
86 | { &vop_islocked_desc, nfs_islocked }, /* islocked */ |
87 | { &vop_advlock_desc, nfs_advlock }, /* advlock */ | |
88 | { &vop_blkatoff_desc, nfs_blkatoff }, /* blkatoff */ | |
d40530c6 | 89 | { &vop_valloc_desc, nfs_valloc }, /* valloc */ |
9342689a | 90 | { &vop_vfree_desc, nfs_vfree }, /* vfree */ |
d40530c6 KM |
91 | { &vop_truncate_desc, nfs_truncate }, /* truncate */ |
92 | { &vop_update_desc, nfs_update }, /* update */ | |
4c323403 | 93 | { &vop_bwrite_desc, vn_bwrite }, |
9342689a | 94 | { (struct vnodeop_desc*)NULL, (int(*)())NULL } |
a2907882 | 95 | }; |
9342689a JH |
96 | struct vnodeopv_desc nfsv2_vnodeop_opv_desc = |
97 | { &nfsv2_vnodeop_p, nfsv2_vnodeop_entries }; | |
a2907882 | 98 | |
26cb2431 KM |
99 | /* |
100 | * Special device vnode ops | |
101 | */ | |
9342689a JH |
102 | int (**spec_nfsv2nodeop_p)(); |
103 | struct vnodeopv_entry_desc spec_nfsv2nodeop_entries[] = { | |
104 | { &vop_default_desc, vn_default_error }, | |
d40530c6 KM |
105 | { &vop_lookup_desc, spec_lookup }, /* lookup */ |
106 | { &vop_create_desc, spec_create }, /* create */ | |
107 | { &vop_mknod_desc, spec_mknod }, /* mknod */ | |
9342689a | 108 | { &vop_open_desc, spec_open }, /* open */ |
d40530c6 KM |
109 | { &vop_close_desc, nfsspec_close }, /* close */ |
110 | { &vop_access_desc, nfs_access }, /* access */ | |
111 | { &vop_getattr_desc, nfs_getattr }, /* getattr */ | |
112 | { &vop_setattr_desc, nfs_setattr }, /* setattr */ | |
113 | { &vop_read_desc, nfsspec_read }, /* read */ | |
114 | { &vop_write_desc, nfsspec_write }, /* write */ | |
115 | { &vop_ioctl_desc, spec_ioctl }, /* ioctl */ | |
116 | { &vop_select_desc, spec_select }, /* select */ | |
9342689a | 117 | { &vop_mmap_desc, spec_mmap }, /* mmap */ |
575dc6d4 | 118 | { &vop_fsync_desc, nfs_fsync }, /* fsync */ |
9342689a | 119 | { &vop_seek_desc, spec_seek }, /* seek */ |
d40530c6 | 120 | { &vop_remove_desc, spec_remove }, /* remove */ |
9342689a | 121 | { &vop_link_desc, spec_link }, /* link */ |
d40530c6 KM |
122 | { &vop_rename_desc, spec_rename }, /* rename */ |
123 | { &vop_mkdir_desc, spec_mkdir }, /* mkdir */ | |
124 | { &vop_rmdir_desc, spec_rmdir }, /* rmdir */ | |
125 | { &vop_symlink_desc, spec_symlink }, /* symlink */ | |
126 | { &vop_readdir_desc, spec_readdir }, /* readdir */ | |
127 | { &vop_readlink_desc, spec_readlink }, /* readlink */ | |
128 | { &vop_abortop_desc, spec_abortop }, /* abortop */ | |
129 | { &vop_inactive_desc, nfs_inactive }, /* inactive */ | |
130 | { &vop_reclaim_desc, nfs_reclaim }, /* reclaim */ | |
9342689a | 131 | { &vop_lock_desc, nfs_lock }, /* lock */ |
d40530c6 | 132 | { &vop_unlock_desc, nfs_unlock }, /* unlock */ |
9342689a | 133 | { &vop_bmap_desc, spec_bmap }, /* bmap */ |
d40530c6 | 134 | { &vop_strategy_desc, spec_strategy }, /* strategy */ |
9342689a | 135 | { &vop_print_desc, nfs_print }, /* print */ |
d40530c6 KM |
136 | { &vop_islocked_desc, nfs_islocked }, /* islocked */ |
137 | { &vop_advlock_desc, spec_advlock }, /* advlock */ | |
138 | { &vop_blkatoff_desc, spec_blkatoff }, /* blkatoff */ | |
d40530c6 KM |
139 | { &vop_valloc_desc, spec_valloc }, /* valloc */ |
140 | { &vop_vfree_desc, spec_vfree }, /* vfree */ | |
141 | { &vop_truncate_desc, spec_truncate }, /* truncate */ | |
142 | { &vop_update_desc, nfs_update }, /* update */ | |
4c323403 | 143 | { &vop_bwrite_desc, vn_bwrite }, |
9342689a | 144 | { (struct vnodeop_desc*)NULL, (int(*)())NULL } |
a2907882 | 145 | }; |
9342689a JH |
146 | struct vnodeopv_desc spec_nfsv2nodeop_opv_desc = |
147 | { &spec_nfsv2nodeop_p, spec_nfsv2nodeop_entries }; | |
a2907882 | 148 | |
b2d955e4 | 149 | #ifdef FIFO |
9342689a JH |
150 | int (**fifo_nfsv2nodeop_p)(); |
151 | struct vnodeopv_entry_desc fifo_nfsv2nodeop_entries[] = { | |
152 | { &vop_default_desc, vn_default_error }, | |
d40530c6 KM |
153 | { &vop_lookup_desc, fifo_lookup }, /* lookup */ |
154 | { &vop_create_desc, fifo_create }, /* create */ | |
155 | { &vop_mknod_desc, fifo_mknod }, /* mknod */ | |
9342689a | 156 | { &vop_open_desc, fifo_open }, /* open */ |
d40530c6 KM |
157 | { &vop_close_desc, nfsfifo_close }, /* close */ |
158 | { &vop_access_desc, nfs_access }, /* access */ | |
159 | { &vop_getattr_desc, nfs_getattr }, /* getattr */ | |
160 | { &vop_setattr_desc, nfs_setattr }, /* setattr */ | |
161 | { &vop_read_desc, nfsfifo_read }, /* read */ | |
162 | { &vop_write_desc, nfsfifo_write }, /* write */ | |
163 | { &vop_ioctl_desc, fifo_ioctl }, /* ioctl */ | |
164 | { &vop_select_desc, fifo_select }, /* select */ | |
9342689a | 165 | { &vop_mmap_desc, fifo_mmap }, /* mmap */ |
575dc6d4 | 166 | { &vop_fsync_desc, nfs_fsync }, /* fsync */ |
9342689a | 167 | { &vop_seek_desc, fifo_seek }, /* seek */ |
d40530c6 | 168 | { &vop_remove_desc, fifo_remove }, /* remove */ |
9342689a | 169 | { &vop_link_desc, fifo_link }, /* link */ |
d40530c6 KM |
170 | { &vop_rename_desc, fifo_rename }, /* rename */ |
171 | { &vop_mkdir_desc, fifo_mkdir }, /* mkdir */ | |
172 | { &vop_rmdir_desc, fifo_rmdir }, /* rmdir */ | |
173 | { &vop_symlink_desc, fifo_symlink }, /* symlink */ | |
174 | { &vop_readdir_desc, fifo_readdir }, /* readdir */ | |
175 | { &vop_readlink_desc, fifo_readlink }, /* readlink */ | |
176 | { &vop_abortop_desc, fifo_abortop }, /* abortop */ | |
177 | { &vop_inactive_desc, nfs_inactive }, /* inactive */ | |
178 | { &vop_reclaim_desc, nfs_reclaim }, /* reclaim */ | |
9342689a | 179 | { &vop_lock_desc, nfs_lock }, /* lock */ |
d40530c6 | 180 | { &vop_unlock_desc, nfs_unlock }, /* unlock */ |
9342689a | 181 | { &vop_bmap_desc, fifo_bmap }, /* bmap */ |
d40530c6 | 182 | { &vop_strategy_desc, fifo_badop }, /* strategy */ |
9342689a | 183 | { &vop_print_desc, nfs_print }, /* print */ |
d40530c6 KM |
184 | { &vop_islocked_desc, nfs_islocked }, /* islocked */ |
185 | { &vop_advlock_desc, fifo_advlock }, /* advlock */ | |
186 | { &vop_blkatoff_desc, fifo_blkatoff }, /* blkatoff */ | |
d40530c6 KM |
187 | { &vop_valloc_desc, fifo_valloc }, /* valloc */ |
188 | { &vop_vfree_desc, fifo_vfree }, /* vfree */ | |
189 | { &vop_truncate_desc, fifo_truncate }, /* truncate */ | |
190 | { &vop_update_desc, nfs_update }, /* update */ | |
4c323403 | 191 | { &vop_bwrite_desc, vn_bwrite }, |
9342689a | 192 | { (struct vnodeop_desc*)NULL, (int(*)())NULL } |
b2d955e4 | 193 | }; |
9342689a JH |
194 | struct vnodeopv_desc fifo_nfsv2nodeop_opv_desc = |
195 | { &fifo_nfsv2nodeop_p, fifo_nfsv2nodeop_entries }; | |
b2d955e4 KM |
196 | #endif /* FIFO */ |
197 | ||
26cb2431 | 198 | /* |
2c5b44a2 | 199 | * Global variables |
26cb2431 | 200 | */ |
a2907882 KM |
201 | extern u_long nfs_procids[NFS_NPROCS]; |
202 | extern u_long nfs_prog, nfs_vers; | |
a2907882 | 203 | extern char nfsiobuf[MAXPHYS+NBPG]; |
9238aa59 | 204 | struct buf nfs_bqueue; /* Queue head for nfsiod's */ |
f0f1cbaa | 205 | struct proc *nfs_iodwant[NFS_MAXASYNCDAEMON]; |
1c89915d | 206 | int nfs_numasync = 0; |
2cf9602a | 207 | #define DIRHDSIZ (sizeof (struct dirent) - (MAXNAMLEN + 1)) |
a2907882 KM |
208 | |
209 | /* | |
210 | * nfs null call from vfs. | |
211 | */ | |
cfef4373 | 212 | int |
2c5b44a2 | 213 | nfs_null(vp, cred, procp) |
a2907882 KM |
214 | struct vnode *vp; |
215 | struct ucred *cred; | |
2c5b44a2 | 216 | struct proc *procp; |
a2907882 | 217 | { |
13576453 | 218 | caddr_t bpos, dpos; |
13576453 KM |
219 | int error = 0; |
220 | struct mbuf *mreq, *mrep, *md, *mb; | |
a2907882 | 221 | |
2c5b44a2 KM |
222 | nfsm_reqhead(vp, NFSPROC_NULL, 0); |
223 | nfsm_request(vp, NFSPROC_NULL, procp, cred); | |
a2907882 KM |
224 | nfsm_reqdone; |
225 | return (error); | |
226 | } | |
227 | ||
228 | /* | |
229 | * nfs access vnode op. | |
230 | * Essentially just get vattr and then imitate iaccess() | |
231 | */ | |
cfef4373 | 232 | int |
d40530c6 | 233 | nfs_access(ap) |
f43a11b8 KM |
234 | struct vop_access_args /* { |
235 | struct vnode *a_vp; | |
236 | int a_mode; | |
237 | struct ucred *a_cred; | |
238 | struct proc *a_p; | |
239 | } */ *ap; | |
a2907882 KM |
240 | { |
241 | register struct vattr *vap; | |
242 | register gid_t *gp; | |
d40530c6 KM |
243 | register struct ucred *cred = ap->a_cred; |
244 | mode_t mode = ap->a_mode; | |
a2907882 KM |
245 | struct vattr vattr; |
246 | register int i; | |
247 | int error; | |
248 | ||
249 | /* | |
250 | * If you're the super-user, | |
251 | * you always get access. | |
252 | */ | |
d40530c6 | 253 | if (cred->cr_uid == 0) |
a2907882 KM |
254 | return (0); |
255 | vap = &vattr; | |
d40530c6 | 256 | if (error = VOP_GETATTR(ap->a_vp, vap, cred, ap->a_p)) |
9238aa59 | 257 | return (error); |
a2907882 KM |
258 | /* |
259 | * Access check is based on only one of owner, group, public. | |
260 | * If not owner, then check group. If not a member of the | |
261 | * group, then check public access. | |
262 | */ | |
d40530c6 KM |
263 | if (cred->cr_uid != vap->va_uid) { |
264 | mode >>= 3; | |
265 | gp = cred->cr_groups; | |
266 | for (i = 0; i < cred->cr_ngroups; i++, gp++) | |
a2907882 KM |
267 | if (vap->va_gid == *gp) |
268 | goto found; | |
d40530c6 | 269 | mode >>= 3; |
a2907882 KM |
270 | found: |
271 | ; | |
272 | } | |
d40530c6 | 273 | if ((vap->va_mode & mode) != 0) |
a2907882 KM |
274 | return (0); |
275 | return (EACCES); | |
276 | } | |
277 | ||
278 | /* | |
279 | * nfs open vnode op | |
280 | * Just check to see if the type is ok | |
2c5b44a2 | 281 | * and that deletion is not in progress. |
a2907882 | 282 | */ |
13576453 | 283 | /* ARGSUSED */ |
cfef4373 | 284 | int |
d40530c6 | 285 | nfs_open(ap) |
f43a11b8 KM |
286 | struct vop_open_args /* { |
287 | struct vnode *a_vp; | |
288 | int a_mode; | |
289 | struct ucred *a_cred; | |
290 | struct proc *a_p; | |
291 | } */ *ap; | |
a2907882 | 292 | { |
d40530c6 | 293 | register struct vnode *vp = ap->a_vp; |
a2907882 | 294 | |
d40530c6 | 295 | if (vp->v_type != VREG && vp->v_type != VDIR && vp->v_type != VLNK) |
a2907882 | 296 | return (EACCES); |
d40530c6 KM |
297 | if ((VFSTONFS(vp->v_mount)->nm_flag & NFSMNT_NQNFS) == 0) |
298 | VTONFS(vp)->n_attrstamp = 0; /* For Open/Close consistency */ | |
2c5b44a2 | 299 | return (0); |
a2907882 KM |
300 | } |
301 | ||
302 | /* | |
303 | * nfs close vnode op | |
9238aa59 | 304 | * For reg files, invalidate any buffer cache entries. |
a2907882 | 305 | */ |
13576453 | 306 | /* ARGSUSED */ |
cfef4373 | 307 | int |
d40530c6 | 308 | nfs_close(ap) |
575dc6d4 KM |
309 | struct vop_close_args /* { |
310 | struct vnodeop_desc *a_desc; | |
311 | struct vnode *a_vp; | |
312 | int a_fflag; | |
313 | struct ucred *a_cred; | |
314 | struct proc *a_p; | |
315 | } */ *ap; | |
a2907882 | 316 | { |
d40530c6 KM |
317 | register struct vnode *vp = ap->a_vp; |
318 | register struct nfsnode *np = VTONFS(vp); | |
ffe6f482 | 319 | int error = 0; |
a2907882 | 320 | |
d40530c6 KM |
321 | if (vp->v_type == VREG) { |
322 | if ((VFSTONFS(vp->v_mount)->nm_flag & NFSMNT_NQNFS) == 0 && | |
9b61ab4a | 323 | (np->n_flag & NMODIFIED)) { |
575dc6d4 | 324 | error = vinvalbuf(vp, TRUE, ap->a_cred, ap->a_p); |
f0f1cbaa | 325 | np->n_flag &= ~NMODIFIED; |
f0f1cbaa | 326 | np->n_attrstamp = 0; |
9b61ab4a KM |
327 | } |
328 | if (np->n_flag & NWRITEERR) { | |
329 | np->n_flag &= ~NWRITEERR; | |
330 | error = np->n_error; | |
331 | } | |
9238aa59 | 332 | } |
a2907882 KM |
333 | return (error); |
334 | } | |
335 | ||
336 | /* | |
337 | * nfs getattr call from vfs. | |
338 | */ | |
cfef4373 | 339 | int |
a32db4fc | 340 | nfs_getattr(ap) |
f43a11b8 KM |
341 | struct vop_getattr_args /* { |
342 | struct vnode *a_vp; | |
343 | struct vattr *a_vap; | |
344 | struct ucred *a_cred; | |
345 | struct proc *a_p; | |
346 | } */ *ap; | |
a2907882 | 347 | { |
a32db4fc KM |
348 | register struct vnode *vp = ap->a_vp; |
349 | register struct nfsnode *np = VTONFS(vp); | |
13576453 | 350 | register caddr_t cp; |
13576453 | 351 | caddr_t bpos, dpos; |
13576453 KM |
352 | int error = 0; |
353 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 | 354 | |
a32db4fc KM |
355 | /* |
356 | * Update local times for special files. | |
357 | */ | |
358 | if (np->n_flag & (NACC | NUPD)) { | |
359 | if (np->n_flag & NACC) | |
360 | np->n_atim = time; | |
361 | if (np->n_flag & NUPD) | |
362 | np->n_mtim = time; | |
363 | np->n_flag |= NCHG; | |
364 | } | |
365 | /* | |
366 | * First look in the cache. | |
367 | */ | |
368 | if (nfs_getattrcache(vp, ap->a_vap) == 0) | |
a2907882 KM |
369 | return (0); |
370 | nfsstats.rpccnt[NFSPROC_GETATTR]++; | |
a32db4fc KM |
371 | nfsm_reqhead(vp, NFSPROC_GETATTR, NFSX_FH); |
372 | nfsm_fhtom(vp); | |
373 | nfsm_request(vp, NFSPROC_GETATTR, ap->a_p, ap->a_cred); | |
374 | nfsm_loadattr(vp, ap->a_vap); | |
a2907882 KM |
375 | nfsm_reqdone; |
376 | return (error); | |
377 | } | |
378 | ||
379 | /* | |
380 | * nfs setattr call. | |
381 | */ | |
cfef4373 | 382 | int |
d40530c6 | 383 | nfs_setattr(ap) |
575dc6d4 KM |
384 | struct vop_setattr_args /* { |
385 | struct vnodeop_desc *a_desc; | |
386 | struct vnode *a_vp; | |
387 | struct vattr *a_vap; | |
388 | struct ucred *a_cred; | |
389 | struct proc *a_p; | |
390 | } */ *ap; | |
a2907882 | 391 | { |
9238aa59 | 392 | register struct nfsv2_sattr *sp; |
13576453 KM |
393 | register caddr_t cp; |
394 | register long t1; | |
2c5b44a2 KM |
395 | caddr_t bpos, dpos, cp2; |
396 | u_long *tl; | |
13576453 KM |
397 | int error = 0; |
398 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
d40530c6 KM |
399 | register struct vnode *vp = ap->a_vp; |
400 | register struct nfsnode *np = VTONFS(vp); | |
401 | register struct vattr *vap = ap->a_vap; | |
2c5b44a2 | 402 | u_quad_t frev; |
a2907882 KM |
403 | |
404 | nfsstats.rpccnt[NFSPROC_SETATTR]++; | |
d40530c6 KM |
405 | nfsm_reqhead(vp, NFSPROC_SETATTR, NFSX_FH+NFSX_SATTR); |
406 | nfsm_fhtom(vp); | |
9238aa59 | 407 | nfsm_build(sp, struct nfsv2_sattr *, NFSX_SATTR); |
d40530c6 | 408 | if (vap->va_mode == 0xffff) |
9238aa59 | 409 | sp->sa_mode = VNOVAL; |
a2907882 | 410 | else |
d40530c6 KM |
411 | sp->sa_mode = vtonfs_mode(vp->v_type, vap->va_mode); |
412 | if (vap->va_uid == 0xffff) | |
9238aa59 | 413 | sp->sa_uid = VNOVAL; |
a2907882 | 414 | else |
d40530c6 KM |
415 | sp->sa_uid = txdr_unsigned(vap->va_uid); |
416 | if (vap->va_gid == 0xffff) | |
9238aa59 | 417 | sp->sa_gid = VNOVAL; |
a2907882 | 418 | else |
d40530c6 KM |
419 | sp->sa_gid = txdr_unsigned(vap->va_gid); |
420 | sp->sa_size = txdr_unsigned(vap->va_size); | |
7e11a0c9 | 421 | sp->sa_atime.tv_sec = txdr_unsigned(vap->va_atime.ts_sec); |
d40530c6 KM |
422 | sp->sa_atime.tv_usec = txdr_unsigned(vap->va_flags); |
423 | txdr_time(&vap->va_mtime, &sp->sa_mtime); | |
7e11a0c9 KM |
424 | if (vap->va_size != VNOVAL || vap->va_mtime.ts_sec != VNOVAL || |
425 | vap->va_atime.ts_sec != VNOVAL) { | |
00b72154 | 426 | if (np->n_flag & NMODIFIED) { |
d40530c6 | 427 | if (vap->va_size == 0) |
575dc6d4 KM |
428 | error = |
429 | vinvalbuf(vp, FALSE, ap->a_cred, ap->a_p); | |
1c89915d | 430 | else |
575dc6d4 KM |
431 | error = |
432 | vinvalbuf(vp, TRUE, ap->a_cred, ap->a_p); | |
433 | np->n_flag &= ~NMODIFIED; | |
00b72154 KM |
434 | } |
435 | } | |
d40530c6 KM |
436 | nfsm_request(vp, NFSPROC_SETATTR, ap->a_p, ap->a_cred); |
437 | nfsm_loadattr(vp, (struct vattr *)0); | |
438 | if ((VFSTONFS(vp->v_mount)->nm_flag & NFSMNT_NQNFS) && | |
439 | NQNFS_CKCACHABLE(vp, NQL_WRITE)) { | |
2c5b44a2 KM |
440 | nfsm_dissect(tl, u_long *, 2*NFSX_UNSIGNED); |
441 | fxdr_hyper(tl, &frev); | |
575dc6d4 | 442 | if (frev > np->n_brev) |
2c5b44a2 KM |
443 | np->n_brev = frev; |
444 | } | |
a2907882 KM |
445 | nfsm_reqdone; |
446 | return (error); | |
447 | } | |
448 | ||
449 | /* | |
450 | * nfs lookup call, one step at a time... | |
451 | * First look in cache | |
452 | * If not found, unlock the directory nfsnode and do the rpc | |
453 | */ | |
cfef4373 | 454 | int |
d40530c6 | 455 | nfs_lookup(ap) |
575dc6d4 KM |
456 | struct vop_lookup_args /* { |
457 | struct vnodeop_desc *a_desc; | |
458 | struct vnode *a_dvp; | |
459 | struct vnode **a_vpp; | |
460 | struct componentname *a_cnp; | |
461 | } */ *ap; | |
a2907882 | 462 | { |
d40530c6 KM |
463 | register struct componentname *cnp = ap->a_cnp; |
464 | register struct vnode *dvp = ap->a_dvp; | |
f43a11b8 | 465 | register struct vnode **vpp = ap->a_vpp; |
64a23bc1 | 466 | register int flags = cnp->cn_flags; |
a2907882 | 467 | register struct vnode *vdp; |
26cb2431 | 468 | register u_long *tl; |
13576453 KM |
469 | register caddr_t cp; |
470 | register long t1, t2; | |
2c5b44a2 KM |
471 | struct nfsmount *nmp; |
472 | struct nfsnode *tp; | |
13576453 | 473 | caddr_t bpos, dpos, cp2; |
2c5b44a2 | 474 | time_t reqtime; |
13576453 | 475 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; |
a2907882 KM |
476 | struct vnode *newvp; |
477 | long len; | |
478 | nfsv2fh_t *fhp; | |
479 | struct nfsnode *np; | |
cfef4373 | 480 | int lockparent, wantparent, error = 0; |
2c5b44a2 KM |
481 | int nqlflag, cachable; |
482 | u_quad_t frev; | |
a2907882 | 483 | |
f43a11b8 | 484 | *vpp = NULL; |
d40530c6 | 485 | if (dvp->v_type != VDIR) |
a2907882 | 486 | return (ENOTDIR); |
64a23bc1 KM |
487 | lockparent = flags & LOCKPARENT; |
488 | wantparent = flags & (LOCKPARENT|WANTPARENT); | |
d40530c6 KM |
489 | nmp = VFSTONFS(dvp->v_mount); |
490 | np = VTONFS(dvp); | |
f43a11b8 | 491 | if ((error = cache_lookup(dvp, vpp, cnp)) && error != ENOENT) { |
9238aa59 RM |
492 | struct vattr vattr; |
493 | int vpid; | |
494 | ||
f43a11b8 | 495 | vdp = *vpp; |
9238aa59 | 496 | vpid = vdp->v_id; |
a2907882 | 497 | /* |
9238aa59 RM |
498 | * See the comment starting `Step through' in ufs/ufs_lookup.c |
499 | * for an explanation of the locking protocol | |
a2907882 | 500 | */ |
d40530c6 | 501 | if (dvp == vdp) { |
36c3043b | 502 | VREF(vdp); |
8a1675f3 | 503 | error = 0; |
2c5b44a2 | 504 | } else |
8a1675f3 | 505 | error = vget(vdp); |
8a1675f3 | 506 | if (!error) { |
8c379a26 | 507 | if (vpid == vdp->v_id) { |
2c5b44a2 | 508 | if (nmp->nm_flag & NFSMNT_NQNFS) { |
d40530c6 | 509 | if (NQNFS_CKCACHABLE(dvp, NQL_READ)) { |
575dc6d4 | 510 | if (np->n_lrev != np->n_brev || |
2c5b44a2 KM |
511 | (np->n_flag & NMODIFIED)) { |
512 | np->n_direofoffset = 0; | |
d40530c6 | 513 | cache_purge(dvp); |
575dc6d4 KM |
514 | error = vinvalbuf(dvp, FALSE, |
515 | cnp->cn_cred, cnp->cn_proc); | |
2c5b44a2 | 516 | np->n_flag &= ~NMODIFIED; |
2c5b44a2 KM |
517 | np->n_brev = np->n_lrev; |
518 | } else { | |
519 | nfsstats.lookupcache_hits++; | |
d40530c6 | 520 | if (cnp->cn_nameiop != LOOKUP && |
64a23bc1 | 521 | (flags & ISLASTCN)) |
d40530c6 | 522 | cnp->cn_flags |= SAVENAME; |
2c5b44a2 KM |
523 | return (0); |
524 | } | |
525 | } | |
d40530c6 | 526 | } else if (!VOP_GETATTR(vdp, &vattr, cnp->cn_cred, cnp->cn_proc) && |
7e11a0c9 | 527 | vattr.va_ctime.ts_sec == VTONFS(vdp)->n_ctime) { |
8a1675f3 | 528 | nfsstats.lookupcache_hits++; |
d40530c6 | 529 | if (cnp->cn_nameiop != LOOKUP && |
64a23bc1 | 530 | (flags & ISLASTCN)) |
d40530c6 | 531 | cnp->cn_flags |= SAVENAME; |
8a1675f3 | 532 | return (0); |
8c379a26 | 533 | } |
58055488 | 534 | cache_purge(vdp); |
8a1675f3 | 535 | } |
2c5b44a2 | 536 | vrele(vdp); |
9238aa59 | 537 | } |
f43a11b8 | 538 | *vpp = NULLVP; |
2c5b44a2 | 539 | } |
ffe6f482 | 540 | error = 0; |
a2907882 | 541 | nfsstats.lookupcache_misses++; |
a2907882 | 542 | nfsstats.rpccnt[NFSPROC_LOOKUP]++; |
d40530c6 KM |
543 | len = cnp->cn_namelen; |
544 | nfsm_reqhead(dvp, NFSPROC_LOOKUP, NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(len)); | |
2c5b44a2 KM |
545 | |
546 | /* | |
547 | * For nqnfs optionally piggyback a getlease request for the name | |
548 | * being looked up. | |
549 | */ | |
550 | if (nmp->nm_flag & NFSMNT_NQNFS) { | |
551 | if ((nmp->nm_flag & NFSMNT_NQLOOKLEASE) && | |
64a23bc1 KM |
552 | ((cnp->cn_flags & MAKEENTRY) && |
553 | (cnp->cn_nameiop != DELETE || !(flags & ISLASTCN)))) { | |
2c5b44a2 KM |
554 | nfsm_build(tl, u_long *, 2*NFSX_UNSIGNED); |
555 | *tl++ = txdr_unsigned(NQL_READ); | |
556 | *tl = txdr_unsigned(nmp->nm_leaseterm); | |
557 | } else { | |
558 | nfsm_build(tl, u_long *, NFSX_UNSIGNED); | |
559 | *tl = 0; | |
560 | } | |
561 | } | |
d40530c6 KM |
562 | nfsm_fhtom(dvp); |
563 | nfsm_strtom(cnp->cn_nameptr, len, NFS_MAXNAMLEN); | |
2c5b44a2 | 564 | reqtime = time.tv_sec; |
d40530c6 | 565 | nfsm_request(dvp, NFSPROC_LOOKUP, cnp->cn_proc, cnp->cn_cred); |
a2907882 KM |
566 | nfsmout: |
567 | if (error) { | |
d40530c6 | 568 | if ((cnp->cn_nameiop == CREATE || cnp->cn_nameiop == RENAME) && |
64a23bc1 | 569 | (flags & ISLASTCN) && error == ENOENT) |
44c7c48c | 570 | error = EJUSTRETURN; |
64a23bc1 | 571 | if (cnp->cn_nameiop != LOOKUP && (flags & ISLASTCN)) |
d40530c6 | 572 | cnp->cn_flags |= SAVENAME; |
b2f2eab2 | 573 | return (error); |
a2907882 | 574 | } |
2c5b44a2 KM |
575 | if (nmp->nm_flag & NFSMNT_NQNFS) { |
576 | nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); | |
577 | if (*tl) { | |
578 | nqlflag = fxdr_unsigned(int, *tl); | |
579 | nfsm_dissect(tl, u_long *, 4*NFSX_UNSIGNED); | |
580 | cachable = fxdr_unsigned(int, *tl++); | |
581 | reqtime += fxdr_unsigned(int, *tl++); | |
582 | fxdr_hyper(tl, &frev); | |
583 | } else | |
584 | nqlflag = 0; | |
585 | } | |
586 | nfsm_dissect(fhp, nfsv2fh_t *, NFSX_FH); | |
a2907882 KM |
587 | |
588 | /* | |
2c5b44a2 | 589 | * Handle RENAME case... |
a2907882 | 590 | */ |
64a23bc1 | 591 | if (cnp->cn_nameiop == RENAME && wantparent && (flags & ISLASTCN)) { |
2c5b44a2 | 592 | if (!bcmp(np->n_fh.fh_bytes, (caddr_t)fhp, NFSX_FH)) { |
a2907882 KM |
593 | m_freem(mrep); |
594 | return (EISDIR); | |
595 | } | |
d40530c6 | 596 | if (error = nfs_nget(dvp->v_mount, fhp, &np)) { |
a2907882 KM |
597 | m_freem(mrep); |
598 | return (error); | |
599 | } | |
600 | newvp = NFSTOV(np); | |
f67785e5 KM |
601 | if (error = |
602 | nfs_loadattrcache(&newvp, &md, &dpos, (struct vattr *)0)) { | |
2c5b44a2 | 603 | vrele(newvp); |
a2907882 KM |
604 | m_freem(mrep); |
605 | return (error); | |
606 | } | |
f43a11b8 | 607 | *vpp = newvp; |
f5dffb64 | 608 | m_freem(mrep); |
d40530c6 | 609 | cnp->cn_flags |= SAVENAME; |
a2907882 KM |
610 | return (0); |
611 | } | |
612 | ||
2c5b44a2 | 613 | if (!bcmp(np->n_fh.fh_bytes, (caddr_t)fhp, NFSX_FH)) { |
d40530c6 KM |
614 | VREF(dvp); |
615 | newvp = dvp; | |
a2907882 | 616 | } else { |
d40530c6 | 617 | if (error = nfs_nget(dvp->v_mount, fhp, &np)) { |
a2907882 KM |
618 | m_freem(mrep); |
619 | return (error); | |
620 | } | |
621 | newvp = NFSTOV(np); | |
622 | } | |
f67785e5 | 623 | if (error = nfs_loadattrcache(&newvp, &md, &dpos, (struct vattr *)0)) { |
2c5b44a2 | 624 | vrele(newvp); |
a2907882 KM |
625 | m_freem(mrep); |
626 | return (error); | |
627 | } | |
628 | m_freem(mrep); | |
f43a11b8 | 629 | *vpp = newvp; |
64a23bc1 | 630 | if (cnp->cn_nameiop != LOOKUP && (flags & ISLASTCN)) |
d40530c6 | 631 | cnp->cn_flags |= SAVENAME; |
64a23bc1 KM |
632 | if ((cnp->cn_flags & MAKEENTRY) && |
633 | (cnp->cn_nameiop != DELETE || !(flags & ISLASTCN))) { | |
2c5b44a2 | 634 | if ((nmp->nm_flag & NFSMNT_NQNFS) == 0) |
7e11a0c9 | 635 | np->n_ctime = np->n_vattr.va_ctime.ts_sec; |
2c5b44a2 KM |
636 | else if (nqlflag && reqtime > time.tv_sec) { |
637 | if (np->n_tnext) { | |
638 | if (np->n_tnext == (struct nfsnode *)nmp) | |
639 | nmp->nm_tprev = np->n_tprev; | |
640 | else | |
641 | np->n_tnext->n_tprev = np->n_tprev; | |
642 | if (np->n_tprev == (struct nfsnode *)nmp) | |
643 | nmp->nm_tnext = np->n_tnext; | |
644 | else | |
645 | np->n_tprev->n_tnext = np->n_tnext; | |
646 | if (nqlflag == NQL_WRITE) | |
647 | np->n_flag |= NQNFSWRITE; | |
648 | } else if (nqlflag == NQL_READ) | |
649 | np->n_flag &= ~NQNFSWRITE; | |
650 | else | |
651 | np->n_flag |= NQNFSWRITE; | |
652 | if (cachable) | |
653 | np->n_flag &= ~NQNFSNONCACHE; | |
654 | else | |
655 | np->n_flag |= NQNFSNONCACHE; | |
656 | np->n_expiry = reqtime; | |
657 | np->n_lrev = frev; | |
658 | tp = nmp->nm_tprev; | |
659 | while (tp != (struct nfsnode *)nmp && tp->n_expiry > np->n_expiry) | |
660 | tp = tp->n_tprev; | |
661 | if (tp == (struct nfsnode *)nmp) { | |
662 | np->n_tnext = nmp->nm_tnext; | |
663 | nmp->nm_tnext = np; | |
664 | } else { | |
665 | np->n_tnext = tp->n_tnext; | |
666 | tp->n_tnext = np; | |
667 | } | |
668 | np->n_tprev = tp; | |
669 | if (np->n_tnext == (struct nfsnode *)nmp) | |
670 | nmp->nm_tprev = np; | |
671 | else | |
672 | np->n_tnext->n_tprev = np; | |
673 | } | |
f43a11b8 | 674 | cache_enter(dvp, *vpp, cnp); |
8c379a26 | 675 | } |
2c5b44a2 | 676 | return (0); |
a2907882 KM |
677 | } |
678 | ||
f0f1cbaa KM |
679 | /* |
680 | * nfs read call. | |
681 | * Just call nfs_bioread() to do the work. | |
682 | */ | |
cfef4373 | 683 | int |
d40530c6 | 684 | nfs_read(ap) |
f43a11b8 KM |
685 | struct vop_read_args /* { |
686 | struct vnode *a_vp; | |
687 | struct uio *a_uio; | |
688 | int a_ioflag; | |
689 | struct ucred *a_cred; | |
690 | } */ *ap; | |
f0f1cbaa | 691 | { |
d40530c6 KM |
692 | register struct vnode *vp = ap->a_vp; |
693 | ||
694 | if (vp->v_type != VREG) | |
f0f1cbaa | 695 | return (EPERM); |
d40530c6 | 696 | return (nfs_bioread(vp, ap->a_uio, ap->a_ioflag, ap->a_cred)); |
f0f1cbaa KM |
697 | } |
698 | ||
a2907882 KM |
699 | /* |
700 | * nfs readlink call | |
701 | */ | |
cfef4373 | 702 | int |
d40530c6 | 703 | nfs_readlink(ap) |
f43a11b8 KM |
704 | struct vop_readlink_args /* { |
705 | struct vnode *a_vp; | |
706 | struct uio *a_uio; | |
707 | struct ucred *a_cred; | |
708 | } */ *ap; | |
f0f1cbaa | 709 | { |
d40530c6 KM |
710 | register struct vnode *vp = ap->a_vp; |
711 | ||
712 | if (vp->v_type != VLNK) | |
f0f1cbaa | 713 | return (EPERM); |
d40530c6 | 714 | return (nfs_bioread(vp, ap->a_uio, 0, ap->a_cred)); |
f0f1cbaa KM |
715 | } |
716 | ||
717 | /* | |
718 | * Do a readlink rpc. | |
719 | * Called by nfs_doio() from below the buffer cache. | |
720 | */ | |
cfef4373 | 721 | int |
26cb2431 | 722 | nfs_readlinkrpc(vp, uiop, cred) |
13576453 | 723 | register struct vnode *vp; |
a2907882 KM |
724 | struct uio *uiop; |
725 | struct ucred *cred; | |
726 | { | |
26cb2431 | 727 | register u_long *tl; |
13576453 KM |
728 | register caddr_t cp; |
729 | register long t1; | |
730 | caddr_t bpos, dpos, cp2; | |
13576453 KM |
731 | int error = 0; |
732 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 KM |
733 | long len; |
734 | ||
735 | nfsstats.rpccnt[NFSPROC_READLINK]++; | |
2c5b44a2 | 736 | nfsm_reqhead(vp, NFSPROC_READLINK, NFSX_FH); |
a2907882 | 737 | nfsm_fhtom(vp); |
2c5b44a2 | 738 | nfsm_request(vp, NFSPROC_READLINK, uiop->uio_procp, cred); |
a2907882 KM |
739 | nfsm_strsiz(len, NFS_MAXPATHLEN); |
740 | nfsm_mtouio(uiop, len); | |
741 | nfsm_reqdone; | |
742 | return (error); | |
743 | } | |
744 | ||
745 | /* | |
f0f1cbaa KM |
746 | * nfs read rpc call |
747 | * Ditto above | |
a2907882 | 748 | */ |
cfef4373 | 749 | int |
26cb2431 | 750 | nfs_readrpc(vp, uiop, cred) |
13576453 | 751 | register struct vnode *vp; |
a2907882 | 752 | struct uio *uiop; |
a2907882 KM |
753 | struct ucred *cred; |
754 | { | |
26cb2431 | 755 | register u_long *tl; |
13576453 KM |
756 | register caddr_t cp; |
757 | register long t1; | |
758 | caddr_t bpos, dpos, cp2; | |
13576453 KM |
759 | int error = 0; |
760 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 KM |
761 | struct nfsmount *nmp; |
762 | long len, retlen, tsiz; | |
763 | ||
54fb9dc2 | 764 | nmp = VFSTONFS(vp->v_mount); |
a2907882 | 765 | tsiz = uiop->uio_resid; |
a2907882 KM |
766 | while (tsiz > 0) { |
767 | nfsstats.rpccnt[NFSPROC_READ]++; | |
768 | len = (tsiz > nmp->nm_rsize) ? nmp->nm_rsize : tsiz; | |
2c5b44a2 | 769 | nfsm_reqhead(vp, NFSPROC_READ, NFSX_FH+NFSX_UNSIGNED*3); |
a2907882 | 770 | nfsm_fhtom(vp); |
26cb2431 KM |
771 | nfsm_build(tl, u_long *, NFSX_UNSIGNED*3); |
772 | *tl++ = txdr_unsigned(uiop->uio_offset); | |
773 | *tl++ = txdr_unsigned(len); | |
774 | *tl = 0; | |
2c5b44a2 | 775 | nfsm_request(vp, NFSPROC_READ, uiop->uio_procp, cred); |
a2907882 KM |
776 | nfsm_loadattr(vp, (struct vattr *)0); |
777 | nfsm_strsiz(retlen, nmp->nm_rsize); | |
778 | nfsm_mtouio(uiop, retlen); | |
779 | m_freem(mrep); | |
a2907882 KM |
780 | if (retlen < len) |
781 | tsiz = 0; | |
782 | else | |
783 | tsiz -= len; | |
784 | } | |
785 | nfsmout: | |
a2907882 KM |
786 | return (error); |
787 | } | |
788 | ||
789 | /* | |
790 | * nfs write call | |
791 | */ | |
cfef4373 | 792 | int |
26cb2431 | 793 | nfs_writerpc(vp, uiop, cred) |
13576453 | 794 | register struct vnode *vp; |
a2907882 | 795 | struct uio *uiop; |
a2907882 KM |
796 | struct ucred *cred; |
797 | { | |
26cb2431 | 798 | register u_long *tl; |
13576453 KM |
799 | register caddr_t cp; |
800 | register long t1; | |
2c5b44a2 | 801 | caddr_t bpos, dpos, cp2; |
13576453 KM |
802 | int error = 0; |
803 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 | 804 | struct nfsmount *nmp; |
2c5b44a2 KM |
805 | struct nfsnode *np = VTONFS(vp); |
806 | u_quad_t frev; | |
a2907882 | 807 | long len, tsiz; |
a2907882 | 808 | |
54fb9dc2 | 809 | nmp = VFSTONFS(vp->v_mount); |
a2907882 | 810 | tsiz = uiop->uio_resid; |
a2907882 KM |
811 | while (tsiz > 0) { |
812 | nfsstats.rpccnt[NFSPROC_WRITE]++; | |
813 | len = (tsiz > nmp->nm_wsize) ? nmp->nm_wsize : tsiz; | |
2c5b44a2 KM |
814 | nfsm_reqhead(vp, NFSPROC_WRITE, |
815 | NFSX_FH+NFSX_UNSIGNED*4+nfsm_rndup(len)); | |
a2907882 | 816 | nfsm_fhtom(vp); |
26cb2431 KM |
817 | nfsm_build(tl, u_long *, NFSX_UNSIGNED*4); |
818 | *(tl+1) = txdr_unsigned(uiop->uio_offset); | |
819 | *(tl+3) = txdr_unsigned(len); | |
a2907882 | 820 | nfsm_uiotom(uiop, len); |
2c5b44a2 | 821 | nfsm_request(vp, NFSPROC_WRITE, uiop->uio_procp, cred); |
a2907882 | 822 | nfsm_loadattr(vp, (struct vattr *)0); |
2c5b44a2 | 823 | if (nmp->nm_flag & NFSMNT_MYWRITE) |
7e11a0c9 | 824 | VTONFS(vp)->n_mtime = VTONFS(vp)->n_vattr.va_mtime.ts_sec; |
2c5b44a2 KM |
825 | else if ((nmp->nm_flag & NFSMNT_NQNFS) && |
826 | NQNFS_CKCACHABLE(vp, NQL_WRITE)) { | |
827 | nfsm_dissect(tl, u_long *, 2*NFSX_UNSIGNED); | |
828 | fxdr_hyper(tl, &frev); | |
575dc6d4 | 829 | if (frev > np->n_brev) |
2c5b44a2 KM |
830 | np->n_brev = frev; |
831 | } | |
a2907882 KM |
832 | m_freem(mrep); |
833 | tsiz -= len; | |
a2907882 KM |
834 | } |
835 | nfsmout: | |
2c5b44a2 KM |
836 | if (error) |
837 | uiop->uio_resid = tsiz; | |
a2907882 KM |
838 | return (error); |
839 | } | |
840 | ||
f67785e5 KM |
841 | /* |
842 | * nfs mknod call | |
7c15c5df KM |
843 | * This is a kludge. Use a create rpc but with the IFMT bits of the mode |
844 | * set to specify the file type and the size field for rdev. | |
f67785e5 KM |
845 | */ |
846 | /* ARGSUSED */ | |
cfef4373 | 847 | int |
d40530c6 | 848 | nfs_mknod(ap) |
f43a11b8 KM |
849 | struct vop_mknod_args /* { |
850 | struct vnode *a_dvp; | |
851 | struct vnode **a_vpp; | |
852 | struct componentname *a_cnp; | |
853 | struct vattr *a_vap; | |
854 | } */ *ap; | |
f67785e5 | 855 | { |
d40530c6 KM |
856 | register struct vnode *dvp = ap->a_dvp; |
857 | register struct vattr *vap = ap->a_vap; | |
858 | register struct componentname *cnp = ap->a_cnp; | |
7c15c5df | 859 | register struct nfsv2_sattr *sp; |
26cb2431 | 860 | register u_long *tl; |
7c15c5df | 861 | register caddr_t cp; |
2c5b44a2 | 862 | register long t2; |
7c15c5df | 863 | caddr_t bpos, dpos; |
7c15c5df KM |
864 | int error = 0; |
865 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
866 | u_long rdev; | |
f67785e5 | 867 | |
d40530c6 KM |
868 | if (vap->va_type == VCHR || vap->va_type == VBLK) |
869 | rdev = txdr_unsigned(vap->va_rdev); | |
7c15c5df | 870 | #ifdef FIFO |
d40530c6 | 871 | else if (vap->va_type == VFIFO) |
7c15c5df KM |
872 | rdev = 0xffffffff; |
873 | #endif /* FIFO */ | |
874 | else { | |
d40530c6 KM |
875 | VOP_ABORTOP(dvp, cnp); |
876 | vput(dvp); | |
7c15c5df KM |
877 | return (EOPNOTSUPP); |
878 | } | |
879 | nfsstats.rpccnt[NFSPROC_CREATE]++; | |
d40530c6 KM |
880 | nfsm_reqhead(dvp, NFSPROC_CREATE, |
881 | NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(cnp->cn_namelen)+NFSX_SATTR); | |
882 | nfsm_fhtom(dvp); | |
883 | nfsm_strtom(cnp->cn_nameptr, cnp->cn_namelen, NFS_MAXNAMLEN); | |
7c15c5df | 884 | nfsm_build(sp, struct nfsv2_sattr *, NFSX_SATTR); |
d40530c6 KM |
885 | sp->sa_mode = vtonfs_mode(vap->va_type, vap->va_mode); |
886 | sp->sa_uid = txdr_unsigned(cnp->cn_cred->cr_uid); | |
887 | sp->sa_gid = txdr_unsigned(cnp->cn_cred->cr_gid); | |
7c15c5df KM |
888 | sp->sa_size = rdev; |
889 | /* or should these be VNOVAL ?? */ | |
d40530c6 KM |
890 | txdr_time(&vap->va_atime, &sp->sa_atime); |
891 | txdr_time(&vap->va_mtime, &sp->sa_mtime); | |
892 | nfsm_request(dvp, NFSPROC_CREATE, cnp->cn_proc, cnp->cn_cred); | |
7c15c5df | 893 | nfsm_reqdone; |
d40530c6 KM |
894 | FREE(cnp->cn_pnbuf, M_NAMEI); |
895 | VTONFS(dvp)->n_flag |= NMODIFIED; | |
896 | vrele(dvp); | |
7c15c5df | 897 | return (error); |
f67785e5 KM |
898 | } |
899 | ||
a2907882 KM |
900 | /* |
901 | * nfs file create call | |
902 | */ | |
cfef4373 | 903 | int |
d40530c6 | 904 | nfs_create(ap) |
f43a11b8 KM |
905 | struct vop_create_args /* { |
906 | struct vnode *a_dvp; | |
907 | struct vnode **a_vpp; | |
908 | struct componentname *a_cnp; | |
909 | struct vattr *a_vap; | |
910 | } */ *ap; | |
a2907882 | 911 | { |
d40530c6 KM |
912 | register struct vnode *dvp = ap->a_dvp; |
913 | register struct vattr *vap = ap->a_vap; | |
914 | register struct componentname *cnp = ap->a_cnp; | |
9238aa59 | 915 | register struct nfsv2_sattr *sp; |
26cb2431 | 916 | register u_long *tl; |
13576453 KM |
917 | register caddr_t cp; |
918 | register long t1, t2; | |
919 | caddr_t bpos, dpos, cp2; | |
13576453 KM |
920 | int error = 0; |
921 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 KM |
922 | |
923 | nfsstats.rpccnt[NFSPROC_CREATE]++; | |
d40530c6 KM |
924 | nfsm_reqhead(dvp, NFSPROC_CREATE, |
925 | NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(cnp->cn_namelen)+NFSX_SATTR); | |
926 | nfsm_fhtom(dvp); | |
927 | nfsm_strtom(cnp->cn_nameptr, cnp->cn_namelen, NFS_MAXNAMLEN); | |
9238aa59 | 928 | nfsm_build(sp, struct nfsv2_sattr *, NFSX_SATTR); |
d40530c6 KM |
929 | sp->sa_mode = vtonfs_mode(vap->va_type, vap->va_mode); |
930 | sp->sa_uid = txdr_unsigned(cnp->cn_cred->cr_uid); | |
931 | sp->sa_gid = txdr_unsigned(cnp->cn_cred->cr_gid); | |
9238aa59 | 932 | sp->sa_size = txdr_unsigned(0); |
a2907882 | 933 | /* or should these be VNOVAL ?? */ |
d40530c6 KM |
934 | txdr_time(&vap->va_atime, &sp->sa_atime); |
935 | txdr_time(&vap->va_mtime, &sp->sa_mtime); | |
936 | nfsm_request(dvp, NFSPROC_CREATE, cnp->cn_proc, cnp->cn_cred); | |
937 | nfsm_mtofh(dvp, *ap->a_vpp); | |
a2907882 | 938 | nfsm_reqdone; |
d40530c6 KM |
939 | FREE(cnp->cn_pnbuf, M_NAMEI); |
940 | VTONFS(dvp)->n_flag |= NMODIFIED; | |
941 | vrele(dvp); | |
a2907882 KM |
942 | return (error); |
943 | } | |
944 | ||
945 | /* | |
946 | * nfs file remove call | |
f0f1cbaa KM |
947 | * To try and make nfs semantics closer to ufs semantics, a file that has |
948 | * other processes using the vnode is renamed instead of removed and then | |
ffe6f482 | 949 | * removed later on the last close. |
f0f1cbaa | 950 | * - If v_usecount > 1 |
ffe6f482 KM |
951 | * If a rename is not already in the works |
952 | * call nfs_sillyrename() to set it up | |
953 | * else | |
954 | * do the remove rpc | |
a2907882 | 955 | */ |
cfef4373 | 956 | int |
d40530c6 | 957 | nfs_remove(ap) |
575dc6d4 KM |
958 | struct vop_remove_args /* { |
959 | struct vnodeop_desc *a_desc; | |
960 | struct vnode * a_dvp; | |
961 | struct vnode * a_vp; | |
962 | struct componentname * a_cnp; | |
963 | } */ *ap; | |
a2907882 | 964 | { |
d40530c6 KM |
965 | register struct vnode *vp = ap->a_vp; |
966 | register struct vnode *dvp = ap->a_dvp; | |
967 | register struct componentname *cnp = ap->a_cnp; | |
968 | register struct nfsnode *np = VTONFS(vp); | |
26cb2431 | 969 | register u_long *tl; |
13576453 | 970 | register caddr_t cp; |
2c5b44a2 | 971 | register long t2; |
13576453 | 972 | caddr_t bpos, dpos; |
13576453 KM |
973 | int error = 0; |
974 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 | 975 | |
d40530c6 | 976 | if (vp->v_usecount > 1) { |
ffe6f482 | 977 | if (!np->n_sillyrename) |
d40530c6 | 978 | error = nfs_sillyrename(dvp, vp, cnp); |
ffe6f482 | 979 | } else { |
2c5b44a2 KM |
980 | /* |
981 | * Purge the name cache so that the chance of a lookup for | |
982 | * the name succeeding while the remove is in progress is | |
983 | * minimized. Without node locking it can still happen, such | |
984 | * that an I/O op returns ESTALE, but since you get this if | |
985 | * another host removes the file.. | |
986 | */ | |
d40530c6 | 987 | cache_purge(vp); |
2c5b44a2 KM |
988 | /* |
989 | * Throw away biocache buffers. Mainly to avoid | |
990 | * unnecessary delayed writes. | |
991 | */ | |
575dc6d4 | 992 | error = vinvalbuf(vp, FALSE, cnp->cn_cred, cnp->cn_proc); |
2c5b44a2 | 993 | /* Do the rpc */ |
a2907882 | 994 | nfsstats.rpccnt[NFSPROC_REMOVE]++; |
d40530c6 KM |
995 | nfsm_reqhead(dvp, NFSPROC_REMOVE, |
996 | NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(cnp->cn_namelen)); | |
997 | nfsm_fhtom(dvp); | |
998 | nfsm_strtom(cnp->cn_nameptr, cnp->cn_namelen, NFS_MAXNAMLEN); | |
999 | nfsm_request(dvp, NFSPROC_REMOVE, cnp->cn_proc, cnp->cn_cred); | |
a2907882 | 1000 | nfsm_reqdone; |
d40530c6 KM |
1001 | FREE(cnp->cn_pnbuf, M_NAMEI); |
1002 | VTONFS(dvp)->n_flag |= NMODIFIED; | |
e8540f59 KM |
1003 | /* |
1004 | * Kludge City: If the first reply to the remove rpc is lost.. | |
1005 | * the reply to the retransmitted request will be ENOENT | |
1006 | * since the file was in fact removed | |
1007 | * Therefore, we cheat and return success. | |
1008 | */ | |
1009 | if (error == ENOENT) | |
1010 | error = 0; | |
a2907882 | 1011 | } |
86dea069 | 1012 | np->n_attrstamp = 0; |
d40530c6 KM |
1013 | vrele(dvp); |
1014 | vrele(vp); | |
a2907882 KM |
1015 | return (error); |
1016 | } | |
1017 | ||
1018 | /* | |
1019 | * nfs file remove rpc called from nfs_inactive | |
1020 | */ | |
cfef4373 | 1021 | int |
575dc6d4 | 1022 | nfs_removeit(sp) |
a9b4ecb2 | 1023 | register struct sillyrename *sp; |
a2907882 | 1024 | { |
26cb2431 | 1025 | register u_long *tl; |
13576453 | 1026 | register caddr_t cp; |
2c5b44a2 | 1027 | register long t2; |
13576453 | 1028 | caddr_t bpos, dpos; |
13576453 KM |
1029 | int error = 0; |
1030 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 KM |
1031 | |
1032 | nfsstats.rpccnt[NFSPROC_REMOVE]++; | |
2c5b44a2 | 1033 | nfsm_reqhead(sp->s_dvp, NFSPROC_REMOVE, |
a9b4ecb2 KM |
1034 | NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(sp->s_namlen)); |
1035 | nfsm_fhtom(sp->s_dvp); | |
1036 | nfsm_strtom(sp->s_name, sp->s_namlen, NFS_MAXNAMLEN); | |
575dc6d4 | 1037 | nfsm_request(sp->s_dvp, NFSPROC_REMOVE, NULL, sp->s_cred); |
a2907882 | 1038 | nfsm_reqdone; |
a9b4ecb2 | 1039 | VTONFS(sp->s_dvp)->n_flag |= NMODIFIED; |
a2907882 KM |
1040 | return (error); |
1041 | } | |
1042 | ||
1043 | /* | |
1044 | * nfs file rename call | |
1045 | */ | |
cfef4373 | 1046 | int |
d40530c6 | 1047 | nfs_rename(ap) |
f43a11b8 KM |
1048 | struct vop_rename_args /* { |
1049 | struct vnode *a_fdvp; | |
1050 | struct vnode *a_fvp; | |
1051 | struct componentname *a_fcnp; | |
1052 | struct vnode *a_tdvp; | |
1053 | struct vnode *a_tvp; | |
1054 | struct componentname *a_tcnp; | |
1055 | } */ *ap; | |
a2907882 | 1056 | { |
d40530c6 KM |
1057 | register struct vnode *fvp = ap->a_fvp; |
1058 | register struct vnode *tvp = ap->a_tvp; | |
1059 | register struct vnode *fdvp = ap->a_fdvp; | |
1060 | register struct vnode *tdvp = ap->a_tdvp; | |
1061 | register struct componentname *tcnp = ap->a_tcnp; | |
1062 | register struct componentname *fcnp = ap->a_fcnp; | |
26cb2431 | 1063 | register u_long *tl; |
13576453 | 1064 | register caddr_t cp; |
2c5b44a2 | 1065 | register long t2; |
13576453 | 1066 | caddr_t bpos, dpos; |
13576453 KM |
1067 | int error = 0; |
1068 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 | 1069 | |
73e2cfb7 | 1070 | /* Check for cross-device rename */ |
d40530c6 KM |
1071 | if ((fvp->v_mount != tdvp->v_mount) || |
1072 | (tvp && (fvp->v_mount != tvp->v_mount))) { | |
73e2cfb7 JSP |
1073 | error = EXDEV; |
1074 | goto out; | |
1075 | } | |
1076 | ||
1077 | ||
a2907882 | 1078 | nfsstats.rpccnt[NFSPROC_RENAME]++; |
d40530c6 KM |
1079 | nfsm_reqhead(fdvp, NFSPROC_RENAME, |
1080 | (NFSX_FH+NFSX_UNSIGNED)*2+nfsm_rndup(fcnp->cn_namelen)+ | |
1081 | nfsm_rndup(fcnp->cn_namelen)); /* or fcnp->cn_cred?*/ | |
1082 | nfsm_fhtom(fdvp); | |
1083 | nfsm_strtom(fcnp->cn_nameptr, fcnp->cn_namelen, NFS_MAXNAMLEN); | |
1084 | nfsm_fhtom(tdvp); | |
1085 | nfsm_strtom(tcnp->cn_nameptr, tcnp->cn_namelen, NFS_MAXNAMLEN); | |
1086 | nfsm_request(fdvp, NFSPROC_RENAME, tcnp->cn_proc, tcnp->cn_cred); | |
a2907882 | 1087 | nfsm_reqdone; |
d40530c6 KM |
1088 | VTONFS(fdvp)->n_flag |= NMODIFIED; |
1089 | VTONFS(tdvp)->n_flag |= NMODIFIED; | |
1090 | if (fvp->v_type == VDIR) { | |
1091 | if (tvp != NULL && tvp->v_type == VDIR) | |
1092 | cache_purge(tdvp); | |
1093 | cache_purge(fdvp); | |
a2907882 | 1094 | } |
73e2cfb7 | 1095 | out: |
d40530c6 KM |
1096 | if (tdvp == tvp) |
1097 | vrele(tdvp); | |
639383fa | 1098 | else |
d40530c6 KM |
1099 | vput(tdvp); |
1100 | if (tvp) | |
1101 | vput(tvp); | |
1102 | vrele(fdvp); | |
1103 | vrele(fvp); | |
f5f6c13e KM |
1104 | /* |
1105 | * Kludge: Map ENOENT => 0 assuming that it is a reply to a retry. | |
1106 | */ | |
1107 | if (error == ENOENT) | |
1108 | error = 0; | |
a2907882 KM |
1109 | return (error); |
1110 | } | |
1111 | ||
1112 | /* | |
f0f1cbaa | 1113 | * nfs file rename rpc called from nfs_remove() above |
a2907882 | 1114 | */ |
cfef4373 JH |
1115 | int |
1116 | nfs_renameit(sdvp, scnp, sp) | |
1117 | struct vnode *sdvp; | |
1118 | struct componentname *scnp; | |
a9b4ecb2 | 1119 | register struct sillyrename *sp; |
a2907882 | 1120 | { |
26cb2431 | 1121 | register u_long *tl; |
13576453 | 1122 | register caddr_t cp; |
2c5b44a2 | 1123 | register long t2; |
13576453 | 1124 | caddr_t bpos, dpos; |
13576453 KM |
1125 | int error = 0; |
1126 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 KM |
1127 | |
1128 | nfsstats.rpccnt[NFSPROC_RENAME]++; | |
cfef4373 JH |
1129 | nfsm_reqhead(sdvp, NFSPROC_RENAME, |
1130 | (NFSX_FH+NFSX_UNSIGNED)*2+nfsm_rndup(scnp->cn_namelen)+ | |
2c5b44a2 | 1131 | nfsm_rndup(sp->s_namlen)); |
cfef4373 JH |
1132 | nfsm_fhtom(sdvp); |
1133 | nfsm_strtom(scnp->cn_nameptr, scnp->cn_namelen, NFS_MAXNAMLEN); | |
1134 | nfsm_fhtom(sdvp); | |
a9b4ecb2 | 1135 | nfsm_strtom(sp->s_name, sp->s_namlen, NFS_MAXNAMLEN); |
cfef4373 | 1136 | nfsm_request(sdvp, NFSPROC_RENAME, scnp->cn_proc, scnp->cn_cred); |
a2907882 | 1137 | nfsm_reqdone; |
cfef4373 JH |
1138 | FREE(scnp->cn_pnbuf, M_NAMEI); |
1139 | VTONFS(sdvp)->n_flag |= NMODIFIED; | |
a2907882 KM |
1140 | return (error); |
1141 | } | |
1142 | ||
1143 | /* | |
1144 | * nfs hard link create call | |
1145 | */ | |
cfef4373 | 1146 | int |
d40530c6 | 1147 | nfs_link(ap) |
f43a11b8 KM |
1148 | struct vop_link_args /* { |
1149 | struct vnode *a_vp; | |
1150 | struct vnode *a_tdvp; | |
1151 | struct componentname *a_cnp; | |
1152 | } */ *ap; | |
a2907882 | 1153 | { |
d40530c6 KM |
1154 | register struct vnode *vp = ap->a_vp; |
1155 | register struct vnode *tdvp = ap->a_tdvp; | |
1156 | register struct componentname *cnp = ap->a_cnp; | |
26cb2431 | 1157 | register u_long *tl; |
13576453 | 1158 | register caddr_t cp; |
2c5b44a2 | 1159 | register long t2; |
13576453 | 1160 | caddr_t bpos, dpos; |
13576453 KM |
1161 | int error = 0; |
1162 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 | 1163 | |
d40530c6 KM |
1164 | if (vp->v_mount != tdvp->v_mount) { |
1165 | /*VOP_ABORTOP(vp, cnp);*/ | |
1166 | if (tdvp == vp) | |
1167 | vrele(vp); | |
73e2cfb7 | 1168 | else |
d40530c6 | 1169 | vput(vp); |
73e2cfb7 JSP |
1170 | return (EXDEV); |
1171 | } | |
1172 | ||
a2907882 | 1173 | nfsstats.rpccnt[NFSPROC_LINK]++; |
d40530c6 KM |
1174 | nfsm_reqhead(tdvp, NFSPROC_LINK, |
1175 | NFSX_FH*2+NFSX_UNSIGNED+nfsm_rndup(cnp->cn_namelen)); | |
1176 | nfsm_fhtom(tdvp); | |
1177 | nfsm_fhtom(vp); | |
1178 | nfsm_strtom(cnp->cn_nameptr, cnp->cn_namelen, NFS_MAXNAMLEN); | |
1179 | nfsm_request(tdvp, NFSPROC_LINK, cnp->cn_proc, cnp->cn_cred); | |
a2907882 | 1180 | nfsm_reqdone; |
d40530c6 KM |
1181 | FREE(cnp->cn_pnbuf, M_NAMEI); |
1182 | VTONFS(tdvp)->n_attrstamp = 0; | |
1183 | VTONFS(vp)->n_flag |= NMODIFIED; | |
1184 | vrele(vp); | |
f5f6c13e KM |
1185 | /* |
1186 | * Kludge: Map EEXIST => 0 assuming that it is a reply to a retry. | |
1187 | */ | |
1188 | if (error == EEXIST) | |
1189 | error = 0; | |
a2907882 KM |
1190 | return (error); |
1191 | } | |
1192 | ||
1193 | /* | |
1194 | * nfs symbolic link create call | |
1195 | */ | |
cfef4373 JH |
1196 | /* start here */ |
1197 | int | |
d40530c6 | 1198 | nfs_symlink(ap) |
f43a11b8 KM |
1199 | struct vop_symlink_args /* { |
1200 | struct vnode *a_dvp; | |
1201 | struct vnode **a_vpp; | |
1202 | struct componentname *a_cnp; | |
1203 | struct vattr *a_vap; | |
1204 | char *a_target; | |
1205 | } */ *ap; | |
a2907882 | 1206 | { |
d40530c6 KM |
1207 | register struct vnode *dvp = ap->a_dvp; |
1208 | register struct vattr *vap = ap->a_vap; | |
1209 | register struct componentname *cnp = ap->a_cnp; | |
9238aa59 | 1210 | register struct nfsv2_sattr *sp; |
26cb2431 | 1211 | register u_long *tl; |
13576453 | 1212 | register caddr_t cp; |
2c5b44a2 | 1213 | register long t2; |
13576453 | 1214 | caddr_t bpos, dpos; |
2c5b44a2 | 1215 | int slen, error = 0; |
13576453 | 1216 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; |
a2907882 KM |
1217 | |
1218 | nfsstats.rpccnt[NFSPROC_SYMLINK]++; | |
e1b76915 | 1219 | slen = strlen(ap->a_target); |
d40530c6 KM |
1220 | nfsm_reqhead(dvp, NFSPROC_SYMLINK, NFSX_FH+2*NFSX_UNSIGNED+ |
1221 | nfsm_rndup(cnp->cn_namelen)+nfsm_rndup(slen)+NFSX_SATTR); | |
1222 | nfsm_fhtom(dvp); | |
1223 | nfsm_strtom(cnp->cn_nameptr, cnp->cn_namelen, NFS_MAXNAMLEN); | |
e1b76915 | 1224 | nfsm_strtom(ap->a_target, slen, NFS_MAXPATHLEN); |
9238aa59 | 1225 | nfsm_build(sp, struct nfsv2_sattr *, NFSX_SATTR); |
d40530c6 KM |
1226 | sp->sa_mode = vtonfs_mode(VLNK, vap->va_mode); |
1227 | sp->sa_uid = txdr_unsigned(cnp->cn_cred->cr_uid); | |
1228 | sp->sa_gid = txdr_unsigned(cnp->cn_cred->cr_gid); | |
9238aa59 | 1229 | sp->sa_size = txdr_unsigned(VNOVAL); |
d40530c6 KM |
1230 | txdr_time(&vap->va_atime, &sp->sa_atime); /* or VNOVAL ?? */ |
1231 | txdr_time(&vap->va_mtime, &sp->sa_mtime); /* or VNOVAL ?? */ | |
1232 | nfsm_request(dvp, NFSPROC_SYMLINK, cnp->cn_proc, cnp->cn_cred); | |
a2907882 | 1233 | nfsm_reqdone; |
d40530c6 KM |
1234 | FREE(cnp->cn_pnbuf, M_NAMEI); |
1235 | VTONFS(dvp)->n_flag |= NMODIFIED; | |
1236 | vrele(dvp); | |
f5f6c13e KM |
1237 | /* |
1238 | * Kludge: Map EEXIST => 0 assuming that it is a reply to a retry. | |
1239 | */ | |
1240 | if (error == EEXIST) | |
1241 | error = 0; | |
a2907882 KM |
1242 | return (error); |
1243 | } | |
1244 | ||
1245 | /* | |
1246 | * nfs make dir call | |
1247 | */ | |
cfef4373 | 1248 | int |
d40530c6 | 1249 | nfs_mkdir(ap) |
f43a11b8 KM |
1250 | struct vop_mkdir_args /* { |
1251 | struct vnode *a_dvp; | |
1252 | struct vnode **a_vpp; | |
1253 | struct componentname *a_cnp; | |
1254 | struct vattr *a_vap; | |
1255 | } */ *ap; | |
a2907882 | 1256 | { |
d40530c6 KM |
1257 | register struct vnode *dvp = ap->a_dvp; |
1258 | register struct vattr *vap = ap->a_vap; | |
1259 | register struct componentname *cnp = ap->a_cnp; | |
f43a11b8 | 1260 | register struct vnode **vpp = ap->a_vpp; |
9238aa59 | 1261 | register struct nfsv2_sattr *sp; |
26cb2431 | 1262 | register u_long *tl; |
13576453 KM |
1263 | register caddr_t cp; |
1264 | register long t1, t2; | |
f0f1cbaa | 1265 | register int len; |
13576453 | 1266 | caddr_t bpos, dpos, cp2; |
f0f1cbaa | 1267 | int error = 0, firsttry = 1; |
13576453 | 1268 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; |
a2907882 | 1269 | |
d40530c6 | 1270 | len = cnp->cn_namelen; |
a2907882 | 1271 | nfsstats.rpccnt[NFSPROC_MKDIR]++; |
d40530c6 | 1272 | nfsm_reqhead(dvp, NFSPROC_MKDIR, |
f0f1cbaa | 1273 | NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(len)+NFSX_SATTR); |
d40530c6 KM |
1274 | nfsm_fhtom(dvp); |
1275 | nfsm_strtom(cnp->cn_nameptr, len, NFS_MAXNAMLEN); | |
9238aa59 | 1276 | nfsm_build(sp, struct nfsv2_sattr *, NFSX_SATTR); |
d40530c6 KM |
1277 | sp->sa_mode = vtonfs_mode(VDIR, vap->va_mode); |
1278 | sp->sa_uid = txdr_unsigned(cnp->cn_cred->cr_uid); | |
1279 | sp->sa_gid = txdr_unsigned(cnp->cn_cred->cr_gid); | |
9238aa59 | 1280 | sp->sa_size = txdr_unsigned(VNOVAL); |
d40530c6 KM |
1281 | txdr_time(&vap->va_atime, &sp->sa_atime); /* or VNOVAL ?? */ |
1282 | txdr_time(&vap->va_mtime, &sp->sa_mtime); /* or VNOVAL ?? */ | |
1283 | nfsm_request(dvp, NFSPROC_MKDIR, cnp->cn_proc, cnp->cn_cred); | |
f43a11b8 | 1284 | nfsm_mtofh(dvp, *vpp); |
a2907882 | 1285 | nfsm_reqdone; |
d40530c6 | 1286 | VTONFS(dvp)->n_flag |= NMODIFIED; |
f5f6c13e | 1287 | /* |
f0f1cbaa KM |
1288 | * Kludge: Map EEXIST => 0 assuming that you have a reply to a retry |
1289 | * if we can succeed in looking up the directory. | |
1290 | * "firsttry" is necessary since the macros may "goto nfsmout" which | |
1291 | * is above the if on errors. (Ugh) | |
f5f6c13e | 1292 | */ |
f0f1cbaa KM |
1293 | if (error == EEXIST && firsttry) { |
1294 | firsttry = 0; | |
f5f6c13e | 1295 | error = 0; |
f0f1cbaa | 1296 | nfsstats.rpccnt[NFSPROC_LOOKUP]++; |
f43a11b8 | 1297 | *vpp = NULL; |
d40530c6 | 1298 | nfsm_reqhead(dvp, NFSPROC_LOOKUP, |
f0f1cbaa | 1299 | NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(len)); |
d40530c6 KM |
1300 | nfsm_fhtom(dvp); |
1301 | nfsm_strtom(cnp->cn_nameptr, len, NFS_MAXNAMLEN); | |
1302 | nfsm_request(dvp, NFSPROC_LOOKUP, cnp->cn_proc, cnp->cn_cred); | |
f43a11b8 KM |
1303 | nfsm_mtofh(dvp, *vpp); |
1304 | if ((*vpp)->v_type != VDIR) { | |
1305 | vput(*vpp); | |
f0f1cbaa KM |
1306 | error = EEXIST; |
1307 | } | |
1308 | m_freem(mrep); | |
1309 | } | |
d40530c6 KM |
1310 | FREE(cnp->cn_pnbuf, M_NAMEI); |
1311 | vrele(dvp); | |
a2907882 KM |
1312 | return (error); |
1313 | } | |
1314 | ||
1315 | /* | |
1316 | * nfs remove directory call | |
1317 | */ | |
cfef4373 | 1318 | int |
d40530c6 | 1319 | nfs_rmdir(ap) |
f43a11b8 KM |
1320 | struct vop_rmdir_args /* { |
1321 | struct vnode *a_dvp; | |
1322 | struct vnode *a_vp; | |
1323 | struct componentname *a_cnp; | |
1324 | } */ *ap; | |
a2907882 | 1325 | { |
d40530c6 KM |
1326 | register struct vnode *vp = ap->a_vp; |
1327 | register struct vnode *dvp = ap->a_dvp; | |
1328 | register struct componentname *cnp = ap->a_cnp; | |
26cb2431 | 1329 | register u_long *tl; |
13576453 | 1330 | register caddr_t cp; |
2c5b44a2 | 1331 | register long t2; |
13576453 | 1332 | caddr_t bpos, dpos; |
13576453 KM |
1333 | int error = 0; |
1334 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 | 1335 | |
d40530c6 KM |
1336 | if (dvp == vp) { |
1337 | vrele(dvp); | |
1338 | vrele(dvp); | |
1339 | FREE(cnp->cn_pnbuf, M_NAMEI); | |
a2907882 KM |
1340 | return (EINVAL); |
1341 | } | |
a2907882 | 1342 | nfsstats.rpccnt[NFSPROC_RMDIR]++; |
d40530c6 KM |
1343 | nfsm_reqhead(dvp, NFSPROC_RMDIR, |
1344 | NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(cnp->cn_namelen)); | |
1345 | nfsm_fhtom(dvp); | |
1346 | nfsm_strtom(cnp->cn_nameptr, cnp->cn_namelen, NFS_MAXNAMLEN); | |
1347 | nfsm_request(dvp, NFSPROC_RMDIR, cnp->cn_proc, cnp->cn_cred); | |
a2907882 | 1348 | nfsm_reqdone; |
d40530c6 KM |
1349 | FREE(cnp->cn_pnbuf, M_NAMEI); |
1350 | VTONFS(dvp)->n_flag |= NMODIFIED; | |
1351 | cache_purge(dvp); | |
1352 | cache_purge(vp); | |
1353 | vrele(vp); | |
1354 | vrele(dvp); | |
f5f6c13e KM |
1355 | /* |
1356 | * Kludge: Map ENOENT => 0 assuming that you have a reply to a retry. | |
1357 | */ | |
1358 | if (error == ENOENT) | |
1359 | error = 0; | |
a2907882 KM |
1360 | return (error); |
1361 | } | |
1362 | ||
1363 | /* | |
1364 | * nfs readdir call | |
1365 | * Although cookie is defined as opaque, I translate it to/from net byte | |
1366 | * order so that it looks more sensible. This appears consistent with the | |
1367 | * Ultrix implementation of NFS. | |
1368 | */ | |
cfef4373 | 1369 | int |
d40530c6 | 1370 | nfs_readdir(ap) |
f43a11b8 KM |
1371 | struct vop_readdir_args /* { |
1372 | struct vnode *a_vp; | |
1373 | struct uio *a_uio; | |
1374 | struct ucred *a_cred; | |
1375 | } */ *ap; | |
f0f1cbaa | 1376 | { |
d40530c6 KM |
1377 | register struct vnode *vp = ap->a_vp; |
1378 | register struct nfsnode *np = VTONFS(vp); | |
1379 | register struct uio *uio = ap->a_uio; | |
f0f1cbaa KM |
1380 | int tresid, error; |
1381 | struct vattr vattr; | |
1382 | ||
d40530c6 | 1383 | if (vp->v_type != VDIR) |
f0f1cbaa KM |
1384 | return (EPERM); |
1385 | /* | |
1386 | * First, check for hit on the EOF offset cache | |
1387 | */ | |
d40530c6 | 1388 | if (uio->uio_offset != 0 && uio->uio_offset == np->n_direofoffset && |
2c5b44a2 | 1389 | (np->n_flag & NMODIFIED) == 0) { |
d40530c6 KM |
1390 | if (VFSTONFS(vp->v_mount)->nm_flag & NFSMNT_NQNFS) { |
1391 | if (NQNFS_CKCACHABLE(vp, NQL_READ)) { | |
2c5b44a2 KM |
1392 | nfsstats.direofcache_hits++; |
1393 | return (0); | |
1394 | } | |
d40530c6 | 1395 | } else if (VOP_GETATTR(vp, &vattr, ap->a_cred, uio->uio_procp) == 0 && |
7e11a0c9 | 1396 | np->n_mtime == vattr.va_mtime.ts_sec) { |
2c5b44a2 KM |
1397 | nfsstats.direofcache_hits++; |
1398 | return (0); | |
1399 | } | |
f0f1cbaa KM |
1400 | } |
1401 | ||
1402 | /* | |
1403 | * Call nfs_bioread() to do the real work. | |
1404 | */ | |
d40530c6 KM |
1405 | tresid = uio->uio_resid; |
1406 | error = nfs_bioread(vp, uio, 0, ap->a_cred); | |
f0f1cbaa | 1407 | |
575dc6d4 | 1408 | if (!error && uio->uio_resid == tresid) |
f0f1cbaa | 1409 | nfsstats.direofcache_misses++; |
f0f1cbaa KM |
1410 | return (error); |
1411 | } | |
1412 | ||
1413 | /* | |
1414 | * Readdir rpc call. | |
1415 | * Called from below the buffer cache by nfs_doio(). | |
1416 | */ | |
cfef4373 | 1417 | int |
26cb2431 | 1418 | nfs_readdirrpc(vp, uiop, cred) |
f0f1cbaa KM |
1419 | register struct vnode *vp; |
1420 | struct uio *uiop; | |
1421 | struct ucred *cred; | |
a2907882 KM |
1422 | { |
1423 | register long len; | |
2cf9602a | 1424 | register struct dirent *dp; |
26cb2431 | 1425 | register u_long *tl; |
13576453 KM |
1426 | register caddr_t cp; |
1427 | register long t1; | |
f0f1cbaa | 1428 | long tlen, lastlen; |
13576453 | 1429 | caddr_t bpos, dpos, cp2; |
13576453 KM |
1430 | int error = 0; |
1431 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 KM |
1432 | struct mbuf *md2; |
1433 | caddr_t dpos2; | |
1434 | int siz; | |
e49b1a6c | 1435 | int more_dirs = 1; |
a2907882 | 1436 | off_t off, savoff; |
2cf9602a | 1437 | struct dirent *savdp; |
e49b1a6c KM |
1438 | struct nfsmount *nmp; |
1439 | struct nfsnode *np = VTONFS(vp); | |
1440 | long tresid; | |
a2907882 | 1441 | |
54fb9dc2 | 1442 | nmp = VFSTONFS(vp->v_mount); |
e49b1a6c | 1443 | tresid = uiop->uio_resid; |
a2907882 | 1444 | /* |
e49b1a6c | 1445 | * Loop around doing readdir rpc's of size uio_resid or nm_rsize, |
26cb2431 | 1446 | * whichever is smaller, truncated to a multiple of NFS_DIRBLKSIZ. |
f0f1cbaa | 1447 | * The stopping criteria is EOF or buffer full. |
a2907882 | 1448 | */ |
26cb2431 | 1449 | while (more_dirs && uiop->uio_resid >= NFS_DIRBLKSIZ) { |
e49b1a6c | 1450 | nfsstats.rpccnt[NFSPROC_READDIR]++; |
2c5b44a2 KM |
1451 | nfsm_reqhead(vp, NFSPROC_READDIR, |
1452 | NFSX_FH+2*NFSX_UNSIGNED); | |
e49b1a6c | 1453 | nfsm_fhtom(vp); |
26cb2431 KM |
1454 | nfsm_build(tl, u_long *, 2*NFSX_UNSIGNED); |
1455 | *tl++ = txdr_unsigned(uiop->uio_offset); | |
1456 | *tl = txdr_unsigned(((uiop->uio_resid > nmp->nm_rsize) ? | |
1457 | nmp->nm_rsize : uiop->uio_resid) & ~(NFS_DIRBLKSIZ-1)); | |
2c5b44a2 | 1458 | nfsm_request(vp, NFSPROC_READDIR, uiop->uio_procp, cred); |
e49b1a6c | 1459 | siz = 0; |
2c5b44a2 | 1460 | nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); |
26cb2431 | 1461 | more_dirs = fxdr_unsigned(int, *tl); |
e49b1a6c KM |
1462 | |
1463 | /* Save the position so that we can do nfsm_mtouio() later */ | |
1464 | dpos2 = dpos; | |
1465 | md2 = md; | |
1466 | ||
1467 | /* loop thru the dir entries, doctoring them to 4bsd form */ | |
f0f1cbaa | 1468 | off = uiop->uio_offset; |
7c15c5df | 1469 | #ifdef lint |
2cf9602a | 1470 | dp = (struct dirent *)0; |
7c15c5df | 1471 | #endif /* lint */ |
e49b1a6c KM |
1472 | while (more_dirs && siz < uiop->uio_resid) { |
1473 | savoff = off; /* Hold onto offset and dp */ | |
1474 | savdp = dp; | |
2c5b44a2 | 1475 | nfsm_dissecton(tl, u_long *, 2*NFSX_UNSIGNED); |
2cf9602a KM |
1476 | dp = (struct dirent *)tl; |
1477 | dp->d_fileno = fxdr_unsigned(u_long, *tl++); | |
26cb2431 | 1478 | len = fxdr_unsigned(int, *tl); |
e49b1a6c KM |
1479 | if (len <= 0 || len > NFS_MAXNAMLEN) { |
1480 | error = EBADRPC; | |
1481 | m_freem(mrep); | |
1482 | goto nfsmout; | |
1483 | } | |
36a0d247 KM |
1484 | dp->d_namlen = (u_char)len; |
1485 | dp->d_type = DT_UNKNOWN; | |
e49b1a6c KM |
1486 | nfsm_adv(len); /* Point past name */ |
1487 | tlen = nfsm_rndup(len); | |
1488 | /* | |
1489 | * This should not be necessary, but some servers have | |
1490 | * broken XDR such that these bytes are not null filled. | |
1491 | */ | |
1492 | if (tlen != len) { | |
1493 | *dpos = '\0'; /* Null-terminate */ | |
1494 | nfsm_adv(tlen - len); | |
1495 | len = tlen; | |
1496 | } | |
2c5b44a2 | 1497 | nfsm_dissecton(tl, u_long *, 2*NFSX_UNSIGNED); |
36a0d247 | 1498 | off = fxdr_unsigned(u_long, *tl); |
26cb2431 KM |
1499 | *tl++ = 0; /* Ensures null termination of name */ |
1500 | more_dirs = fxdr_unsigned(int, *tl); | |
e49b1a6c KM |
1501 | dp->d_reclen = len+4*NFSX_UNSIGNED; |
1502 | siz += dp->d_reclen; | |
1503 | } | |
1504 | /* | |
1505 | * If at end of rpc data, get the eof boolean | |
1506 | */ | |
1507 | if (!more_dirs) { | |
2c5b44a2 | 1508 | nfsm_dissecton(tl, u_long *, NFSX_UNSIGNED); |
26cb2431 | 1509 | more_dirs = (fxdr_unsigned(int, *tl) == 0); |
e49b1a6c KM |
1510 | |
1511 | /* | |
1512 | * If at EOF, cache directory offset | |
1513 | */ | |
f0f1cbaa | 1514 | if (!more_dirs) |
e49b1a6c | 1515 | np->n_direofoffset = off; |
e49b1a6c KM |
1516 | } |
1517 | /* | |
1518 | * If there is too much to fit in the data buffer, use savoff and | |
1519 | * savdp to trim off the last record. | |
1520 | * --> we are not at eof | |
1521 | */ | |
1522 | if (siz > uiop->uio_resid) { | |
1523 | off = savoff; | |
1524 | siz -= dp->d_reclen; | |
1525 | dp = savdp; | |
1526 | more_dirs = 0; /* Paranoia */ | |
1527 | } | |
1528 | if (siz > 0) { | |
f0f1cbaa | 1529 | lastlen = dp->d_reclen; |
e49b1a6c KM |
1530 | md = md2; |
1531 | dpos = dpos2; | |
1532 | nfsm_mtouio(uiop, siz); | |
1533 | uiop->uio_offset = off; | |
1534 | } else | |
1535 | more_dirs = 0; /* Ugh, never happens, but in case.. */ | |
1536 | m_freem(mrep); | |
a2907882 | 1537 | } |
f0f1cbaa | 1538 | /* |
26cb2431 | 1539 | * Fill last record, iff any, out to a multiple of NFS_DIRBLKSIZ |
f0f1cbaa KM |
1540 | * by increasing d_reclen for the last record. |
1541 | */ | |
1542 | if (uiop->uio_resid < tresid) { | |
26cb2431 | 1543 | len = uiop->uio_resid & (NFS_DIRBLKSIZ - 1); |
f0f1cbaa | 1544 | if (len > 0) { |
2cf9602a | 1545 | dp = (struct dirent *) |
f0f1cbaa KM |
1546 | (uiop->uio_iov->iov_base - lastlen); |
1547 | dp->d_reclen += len; | |
1548 | uiop->uio_iov->iov_base += len; | |
1549 | uiop->uio_iov->iov_len -= len; | |
1550 | uiop->uio_resid -= len; | |
1551 | } | |
c79a85cd | 1552 | } |
f0f1cbaa | 1553 | nfsmout: |
a2907882 KM |
1554 | return (error); |
1555 | } | |
1556 | ||
2c5b44a2 KM |
1557 | /* |
1558 | * Nqnfs readdir_and_lookup RPC. Used in place of nfs_readdirrpc() when | |
1559 | * the "rdirlook" mount option is specified. | |
1560 | */ | |
cfef4373 | 1561 | int |
2c5b44a2 KM |
1562 | nfs_readdirlookrpc(vp, uiop, cred) |
1563 | struct vnode *vp; | |
1564 | register struct uio *uiop; | |
1565 | struct ucred *cred; | |
1566 | { | |
1567 | register int len; | |
2cf9602a | 1568 | register struct dirent *dp; |
2c5b44a2 KM |
1569 | register u_long *tl; |
1570 | register caddr_t cp; | |
1571 | register long t1; | |
1572 | caddr_t bpos, dpos, cp2; | |
1573 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
1574 | struct nameidata nami, *ndp = &nami; | |
c5b4f497 | 1575 | struct componentname *cnp = &ndp->ni_cnd; |
2c5b44a2 KM |
1576 | off_t off, endoff; |
1577 | time_t reqtime, ltime; | |
1578 | struct nfsmount *nmp; | |
1579 | struct nfsnode *np, *tp; | |
1580 | struct vnode *newvp; | |
1581 | nfsv2fh_t *fhp; | |
1582 | u_long fileno; | |
1583 | u_quad_t frev; | |
1584 | int error = 0, tlen, more_dirs = 1, tresid, doit, bigenough, i; | |
1585 | int cachable; | |
1586 | ||
1587 | if (uiop->uio_iovcnt != 1) | |
1588 | panic("nfs rdirlook"); | |
1589 | nmp = VFSTONFS(vp->v_mount); | |
1590 | tresid = uiop->uio_resid; | |
1591 | ndp->ni_dvp = vp; | |
1592 | newvp = NULLVP; | |
1593 | /* | |
1594 | * Loop around doing readdir rpc's of size uio_resid or nm_rsize, | |
1595 | * whichever is smaller, truncated to a multiple of NFS_DIRBLKSIZ. | |
1596 | * The stopping criteria is EOF or buffer full. | |
1597 | */ | |
1598 | while (more_dirs && uiop->uio_resid >= NFS_DIRBLKSIZ) { | |
1599 | nfsstats.rpccnt[NQNFSPROC_READDIRLOOK]++; | |
1600 | nfsm_reqhead(vp, NQNFSPROC_READDIRLOOK, | |
1601 | NFSX_FH+3*NFSX_UNSIGNED); | |
1602 | nfsm_fhtom(vp); | |
1603 | nfsm_build(tl, u_long *, 3*NFSX_UNSIGNED); | |
1604 | *tl++ = txdr_unsigned(uiop->uio_offset); | |
1605 | *tl++ = txdr_unsigned(((uiop->uio_resid > nmp->nm_rsize) ? | |
1606 | nmp->nm_rsize : uiop->uio_resid) & ~(NFS_DIRBLKSIZ-1)); | |
1607 | *tl = txdr_unsigned(nmp->nm_leaseterm); | |
1608 | reqtime = time.tv_sec; | |
1609 | nfsm_request(vp, NQNFSPROC_READDIRLOOK, uiop->uio_procp, cred); | |
1610 | nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); | |
1611 | more_dirs = fxdr_unsigned(int, *tl); | |
1612 | ||
1613 | /* loop thru the dir entries, doctoring them to 4bsd form */ | |
1614 | off = uiop->uio_offset; | |
1615 | bigenough = 1; | |
1616 | while (more_dirs && bigenough) { | |
1617 | doit = 1; | |
1618 | nfsm_dissect(tl, u_long *, 4*NFSX_UNSIGNED); | |
1619 | cachable = fxdr_unsigned(int, *tl++); | |
1620 | ltime = reqtime + fxdr_unsigned(int, *tl++); | |
1621 | fxdr_hyper(tl, &frev); | |
1622 | nfsm_dissect(fhp, nfsv2fh_t *, NFSX_FH); | |
1623 | if (!bcmp(VTONFS(vp)->n_fh.fh_bytes, (caddr_t)fhp, NFSX_FH)) { | |
1624 | VREF(vp); | |
1625 | newvp = vp; | |
1626 | np = VTONFS(vp); | |
1627 | } else { | |
1628 | if (error = nfs_nget(vp->v_mount, fhp, &np)) | |
1629 | doit = 0; | |
1630 | newvp = NFSTOV(np); | |
1631 | } | |
1632 | if (error = nfs_loadattrcache(&newvp, &md, &dpos, | |
1633 | (struct vattr *)0)) | |
1634 | doit = 0; | |
1635 | nfsm_dissect(tl, u_long *, 2*NFSX_UNSIGNED); | |
1636 | fileno = fxdr_unsigned(u_long, *tl++); | |
1637 | len = fxdr_unsigned(int, *tl); | |
1638 | if (len <= 0 || len > NFS_MAXNAMLEN) { | |
1639 | error = EBADRPC; | |
1640 | m_freem(mrep); | |
1641 | goto nfsmout; | |
1642 | } | |
1643 | tlen = (len + 4) & ~0x3; | |
1644 | if ((tlen + DIRHDSIZ) > uiop->uio_resid) | |
1645 | bigenough = 0; | |
1646 | if (bigenough && doit) { | |
2cf9602a KM |
1647 | dp = (struct dirent *)uiop->uio_iov->iov_base; |
1648 | dp->d_fileno = fileno; | |
2c5b44a2 KM |
1649 | dp->d_namlen = len; |
1650 | dp->d_reclen = tlen + DIRHDSIZ; | |
36a0d247 KM |
1651 | dp->d_type = |
1652 | IFTODT(VTTOIF(np->n_vattr.va_type)); | |
2c5b44a2 KM |
1653 | uiop->uio_resid -= DIRHDSIZ; |
1654 | uiop->uio_iov->iov_base += DIRHDSIZ; | |
1655 | uiop->uio_iov->iov_len -= DIRHDSIZ; | |
c5b4f497 JH |
1656 | cnp->cn_nameptr = uiop->uio_iov->iov_base; |
1657 | cnp->cn_namelen = len; | |
2c5b44a2 KM |
1658 | ndp->ni_vp = newvp; |
1659 | nfsm_mtouio(uiop, len); | |
1660 | cp = uiop->uio_iov->iov_base; | |
1661 | tlen -= len; | |
1662 | for (i = 0; i < tlen; i++) | |
1663 | *cp++ = '\0'; | |
1664 | uiop->uio_iov->iov_base += tlen; | |
1665 | uiop->uio_iov->iov_len -= tlen; | |
1666 | uiop->uio_resid -= tlen; | |
c5b4f497 JH |
1667 | cnp->cn_hash = 0; |
1668 | for (cp = cnp->cn_nameptr, i = 1; i <= len; i++, cp++) | |
1669 | cnp->cn_hash += (unsigned char)*cp * i; | |
2c5b44a2 KM |
1670 | if (ltime > time.tv_sec) { |
1671 | if (np->n_tnext) { | |
1672 | if (np->n_tnext == (struct nfsnode *)nmp) | |
1673 | nmp->nm_tprev = np->n_tprev; | |
1674 | else | |
1675 | np->n_tnext->n_tprev = np->n_tprev; | |
1676 | if (np->n_tprev == (struct nfsnode *)nmp) | |
1677 | nmp->nm_tnext = np->n_tnext; | |
1678 | else | |
1679 | np->n_tprev->n_tnext = np->n_tnext; | |
1680 | } else | |
1681 | np->n_flag &= ~NQNFSWRITE; | |
1682 | if (cachable) | |
1683 | np->n_flag &= ~NQNFSNONCACHE; | |
1684 | else | |
1685 | np->n_flag |= NQNFSNONCACHE; | |
1686 | np->n_expiry = ltime; | |
1687 | np->n_lrev = frev; | |
1688 | tp = nmp->nm_tprev; | |
1689 | while (tp != (struct nfsnode *)nmp && tp->n_expiry > np->n_expiry) | |
1690 | tp = tp->n_tprev; | |
1691 | if (tp == (struct nfsnode *)nmp) { | |
1692 | np->n_tnext = nmp->nm_tnext; | |
1693 | nmp->nm_tnext = np; | |
1694 | } else { | |
1695 | np->n_tnext = tp->n_tnext; | |
1696 | tp->n_tnext = np; | |
1697 | } | |
1698 | np->n_tprev = tp; | |
1699 | if (np->n_tnext == (struct nfsnode *)nmp) | |
1700 | nmp->nm_tprev = np; | |
1701 | else | |
1702 | np->n_tnext->n_tprev = np; | |
c5b4f497 | 1703 | cache_enter(ndp->ni_dvp, ndp->ni_vp, cnp); |
2c5b44a2 KM |
1704 | } |
1705 | } else { | |
1706 | nfsm_adv(nfsm_rndup(len)); | |
1707 | } | |
1708 | if (newvp != NULLVP) { | |
1709 | vrele(newvp); | |
1710 | newvp = NULLVP; | |
1711 | } | |
1712 | nfsm_dissect(tl, u_long *, 2*NFSX_UNSIGNED); | |
1713 | if (bigenough) | |
1714 | endoff = off = fxdr_unsigned(off_t, *tl++); | |
1715 | else | |
1716 | endoff = fxdr_unsigned(off_t, *tl++); | |
1717 | more_dirs = fxdr_unsigned(int, *tl); | |
1718 | } | |
1719 | /* | |
1720 | * If at end of rpc data, get the eof boolean | |
1721 | */ | |
1722 | if (!more_dirs) { | |
1723 | nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); | |
1724 | more_dirs = (fxdr_unsigned(int, *tl) == 0); | |
1725 | ||
1726 | /* | |
1727 | * If at EOF, cache directory offset | |
1728 | */ | |
1729 | if (!more_dirs) | |
1730 | VTONFS(vp)->n_direofoffset = endoff; | |
1731 | } | |
1732 | if (uiop->uio_resid < tresid) | |
1733 | uiop->uio_offset = off; | |
1734 | else | |
1735 | more_dirs = 0; | |
1736 | m_freem(mrep); | |
1737 | } | |
1738 | /* | |
1739 | * Fill last record, iff any, out to a multiple of NFS_DIRBLKSIZ | |
1740 | * by increasing d_reclen for the last record. | |
1741 | */ | |
1742 | if (uiop->uio_resid < tresid) { | |
1743 | len = uiop->uio_resid & (NFS_DIRBLKSIZ - 1); | |
1744 | if (len > 0) { | |
1745 | dp->d_reclen += len; | |
1746 | uiop->uio_iov->iov_base += len; | |
1747 | uiop->uio_iov->iov_len -= len; | |
1748 | uiop->uio_resid -= len; | |
1749 | } | |
1750 | } | |
1751 | nfsmout: | |
1752 | if (newvp != NULLVP) | |
1753 | vrele(newvp); | |
1754 | return (error); | |
1755 | } | |
13576453 | 1756 | static char hextoasc[] = "0123456789abcdef"; |
a2907882 KM |
1757 | |
1758 | /* | |
1759 | * Silly rename. To make the NFS filesystem that is stateless look a little | |
1760 | * more like the "ufs" a remove of an active vnode is translated to a rename | |
1761 | * to a funny looking filename that is removed by nfs_inactive on the | |
1762 | * nfsnode. There is the potential for another process on a different client | |
1763 | * to create the same funny name between the nfs_lookitup() fails and the | |
1764 | * nfs_rename() completes, but... | |
1765 | */ | |
cfef4373 | 1766 | int |
c5b4f497 | 1767 | nfs_sillyrename(dvp, vp, cnp) |
cfef4373 JH |
1768 | struct vnode *dvp, *vp; |
1769 | struct componentname *cnp; | |
a2907882 KM |
1770 | { |
1771 | register struct nfsnode *np; | |
1772 | register struct sillyrename *sp; | |
a2907882 KM |
1773 | int error; |
1774 | short pid; | |
1775 | ||
cfef4373 JH |
1776 | cache_purge(dvp); |
1777 | np = VTONFS(vp); | |
4999e85f | 1778 | #ifdef SILLYSEPARATE |
a2907882 | 1779 | MALLOC(sp, struct sillyrename *, sizeof (struct sillyrename), |
a9b4ecb2 | 1780 | M_NFSREQ, M_WAITOK); |
4999e85f KM |
1781 | #else |
1782 | sp = &np->n_silly; | |
1783 | #endif | |
cfef4373 JH |
1784 | sp->s_cred = crdup(cnp->cn_cred); |
1785 | sp->s_dvp = dvp; | |
1786 | VREF(dvp); | |
a2907882 KM |
1787 | |
1788 | /* Fudge together a funny name */ | |
cfef4373 | 1789 | pid = cnp->cn_proc->p_pid; |
a9b4ecb2 KM |
1790 | bcopy(".nfsAxxxx4.4", sp->s_name, 13); |
1791 | sp->s_namlen = 12; | |
1792 | sp->s_name[8] = hextoasc[pid & 0xf]; | |
1793 | sp->s_name[7] = hextoasc[(pid >> 4) & 0xf]; | |
1794 | sp->s_name[6] = hextoasc[(pid >> 8) & 0xf]; | |
1795 | sp->s_name[5] = hextoasc[(pid >> 12) & 0xf]; | |
a2907882 KM |
1796 | |
1797 | /* Try lookitups until we get one that isn't there */ | |
cfef4373 | 1798 | while (nfs_lookitup(sp, (nfsv2fh_t *)0, cnp->cn_proc) == 0) { |
a9b4ecb2 KM |
1799 | sp->s_name[4]++; |
1800 | if (sp->s_name[4] > 'z') { | |
a2907882 KM |
1801 | error = EINVAL; |
1802 | goto bad; | |
1803 | } | |
1804 | } | |
cfef4373 | 1805 | if (error = nfs_renameit(dvp, cnp, sp)) |
a2907882 | 1806 | goto bad; |
cfef4373 | 1807 | nfs_lookitup(sp, &np->n_fh, cnp->cn_proc); |
a2907882 KM |
1808 | np->n_sillyrename = sp; |
1809 | return (0); | |
1810 | bad: | |
a9b4ecb2 KM |
1811 | vrele(sp->s_dvp); |
1812 | crfree(sp->s_cred); | |
4999e85f | 1813 | #ifdef SILLYSEPARATE |
a9b4ecb2 | 1814 | free((caddr_t)sp, M_NFSREQ); |
4999e85f | 1815 | #endif |
a2907882 KM |
1816 | return (error); |
1817 | } | |
1818 | ||
1819 | /* | |
1820 | * Look up a file name for silly rename stuff. | |
1821 | * Just like nfs_lookup() except that it doesn't load returned values | |
1822 | * into the nfsnode table. | |
1823 | * If fhp != NULL it copies the returned file handle out | |
1824 | */ | |
cfef4373 | 1825 | int |
2c5b44a2 | 1826 | nfs_lookitup(sp, fhp, procp) |
a9b4ecb2 | 1827 | register struct sillyrename *sp; |
a2907882 | 1828 | nfsv2fh_t *fhp; |
2c5b44a2 | 1829 | struct proc *procp; |
a2907882 | 1830 | { |
a9b4ecb2 | 1831 | register struct vnode *vp = sp->s_dvp; |
26cb2431 | 1832 | register u_long *tl; |
13576453 KM |
1833 | register caddr_t cp; |
1834 | register long t1, t2; | |
1835 | caddr_t bpos, dpos, cp2; | |
1836 | u_long xid; | |
1837 | int error = 0; | |
1838 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 KM |
1839 | long len; |
1840 | ||
1841 | nfsstats.rpccnt[NFSPROC_LOOKUP]++; | |
a9b4ecb2 | 1842 | len = sp->s_namlen; |
2c5b44a2 | 1843 | nfsm_reqhead(vp, NFSPROC_LOOKUP, NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(len)); |
a2907882 | 1844 | nfsm_fhtom(vp); |
a9b4ecb2 | 1845 | nfsm_strtom(sp->s_name, len, NFS_MAXNAMLEN); |
2c5b44a2 | 1846 | nfsm_request(vp, NFSPROC_LOOKUP, procp, sp->s_cred); |
a2907882 | 1847 | if (fhp != NULL) { |
2c5b44a2 | 1848 | nfsm_dissect(cp, caddr_t, NFSX_FH); |
a2907882 KM |
1849 | bcopy(cp, (caddr_t)fhp, NFSX_FH); |
1850 | } | |
1851 | nfsm_reqdone; | |
1852 | return (error); | |
1853 | } | |
1854 | ||
1855 | /* | |
1856 | * Kludge City.. | |
1857 | * - make nfs_bmap() essentially a no-op that does no translation | |
f0f1cbaa | 1858 | * - do nfs_strategy() by faking physical I/O with nfs_readrpc/nfs_writerpc |
a2907882 KM |
1859 | * after mapping the physical addresses into Kernel Virtual space in the |
1860 | * nfsiobuf area. | |
1861 | * (Maybe I could use the process's page mapping, but I was concerned that | |
1862 | * Kernel Write might not be enabled and also figured copyout() would do | |
1863 | * a lot more work than bcopy() and also it currently happens in the | |
1864 | * context of the swapper process (2). | |
1865 | */ | |
cfef4373 | 1866 | int |
d40530c6 | 1867 | nfs_bmap(ap) |
f43a11b8 KM |
1868 | struct vop_bmap_args /* { |
1869 | struct vnode *a_vp; | |
1870 | daddr_t a_bn; | |
1871 | struct vnode **a_vpp; | |
1872 | daddr_t *a_bnp; | |
1873 | } */ *ap; | |
a2907882 | 1874 | { |
d40530c6 KM |
1875 | register struct vnode *vp = ap->a_vp; |
1876 | ||
e1b76915 | 1877 | if (ap->a_vpp != NULL) |
d40530c6 | 1878 | *ap->a_vpp = vp; |
e1b76915 | 1879 | if (ap->a_bnp != NULL) |
d40530c6 | 1880 | *ap->a_bnp = ap->a_bn * btodb(vp->v_mount->mnt_stat.f_iosize); |
a2907882 KM |
1881 | return (0); |
1882 | } | |
1883 | ||
1884 | /* | |
9238aa59 RM |
1885 | * Strategy routine for phys. i/o |
1886 | * If the biod's are running, queue a request | |
1887 | * otherwise just call nfs_doio() to get it done | |
a2907882 | 1888 | */ |
cfef4373 | 1889 | int |
d40530c6 | 1890 | nfs_strategy(ap) |
f43a11b8 KM |
1891 | struct vop_strategy_args /* { |
1892 | struct buf *a_bp; | |
1893 | } */ *ap; | |
9238aa59 | 1894 | { |
d40530c6 | 1895 | register struct buf *bp = ap->a_bp; |
9238aa59 | 1896 | register struct buf *dp; |
ffe6f482 | 1897 | register int i; |
9238aa59 | 1898 | int error = 0; |
ffe6f482 | 1899 | int fnd = 0; |
9238aa59 | 1900 | |
f0f1cbaa KM |
1901 | /* |
1902 | * Set b_proc. It seems a bit silly to do it here, but since bread() | |
1903 | * doesn't set it, I will. | |
48531fd3 | 1904 | * Set b_proc == NULL for asynchronous ops, since these may still |
f0f1cbaa KM |
1905 | * be hanging about after the process terminates. |
1906 | */ | |
d40530c6 KM |
1907 | if ((bp->b_flags & B_PHYS) == 0) { |
1908 | if (bp->b_flags & B_ASYNC) | |
1909 | bp->b_proc = (struct proc *)0; | |
1c89915d | 1910 | else |
d40530c6 | 1911 | bp->b_proc = curproc; |
1c89915d | 1912 | } |
9238aa59 | 1913 | /* |
48531fd3 | 1914 | * If the op is asynchronous and an i/o daemon is waiting |
9238aa59 | 1915 | * queue the request, wake it up and wait for completion |
48531fd3 | 1916 | * otherwise just do it ourselves. |
9238aa59 | 1917 | */ |
d40530c6 KM |
1918 | if ((bp->b_flags & B_ASYNC) == 0 || nfs_numasync == 0) |
1919 | return (nfs_doio(bp)); | |
1c89915d KM |
1920 | for (i = 0; i < NFS_MAXASYNCDAEMON; i++) { |
1921 | if (nfs_iodwant[i]) { | |
ffe6f482 KM |
1922 | dp = &nfs_bqueue; |
1923 | if (dp->b_actf == NULL) { | |
d40530c6 KM |
1924 | dp->b_actl = bp; |
1925 | bp->b_actf = dp; | |
ffe6f482 | 1926 | } else { |
d40530c6 KM |
1927 | dp->b_actf->b_actl = bp; |
1928 | bp->b_actf = dp->b_actf; | |
ffe6f482 | 1929 | } |
d40530c6 KM |
1930 | dp->b_actf = bp; |
1931 | bp->b_actl = dp; | |
ffe6f482 | 1932 | fnd++; |
ffe6f482 KM |
1933 | wakeup((caddr_t)&nfs_iodwant[i]); |
1934 | break; | |
9238aa59 | 1935 | } |
ffe6f482 KM |
1936 | } |
1937 | if (!fnd) | |
d40530c6 | 1938 | error = nfs_doio(bp); |
9238aa59 RM |
1939 | return (error); |
1940 | } | |
1941 | ||
1942 | /* | |
1943 | * Fun and games with i/o | |
1944 | * Essentially play ubasetup() and disk interrupt service routine by | |
1945 | * mapping the data buffer into kernel virtual space and doing the | |
1946 | * nfs read or write rpc's from it. | |
f0f1cbaa KM |
1947 | * If the nfsiod's are not running, this is just called from nfs_strategy(), |
1948 | * otherwise it is called by the nfsiods to do what would normally be | |
9238aa59 RM |
1949 | * partially disk interrupt driven. |
1950 | */ | |
cfef4373 | 1951 | int |
9238aa59 RM |
1952 | nfs_doio(bp) |
1953 | register struct buf *bp; | |
a2907882 | 1954 | { |
a2907882 | 1955 | register struct uio *uiop; |
a2907882 | 1956 | register struct vnode *vp; |
ffe6f482 | 1957 | struct nfsnode *np; |
9238aa59 | 1958 | struct ucred *cr; |
7848989c | 1959 | int error; |
a2907882 KM |
1960 | struct uio uio; |
1961 | struct iovec io; | |
1962 | ||
1963 | vp = bp->b_vp; | |
8c379a26 | 1964 | np = VTONFS(vp); |
a2907882 KM |
1965 | uiop = &uio; |
1966 | uiop->uio_iov = &io; | |
1967 | uiop->uio_iovcnt = 1; | |
a2907882 | 1968 | uiop->uio_segflg = UIO_SYSSPACE; |
2c5b44a2 | 1969 | uiop->uio_procp = bp->b_proc; |
e8540f59 | 1970 | |
a2907882 | 1971 | /* |
9238aa59 RM |
1972 | * For phys i/o, map the b_addr into kernel virtual space using |
1973 | * the Nfsiomap pte's | |
1974 | * Also, add a temporary b_rcred for reading using the process's uid | |
1975 | * and a guess at a group | |
a2907882 | 1976 | */ |
9238aa59 | 1977 | if (bp->b_flags & B_PHYS) { |
26cb2431 KM |
1978 | if (bp->b_flags & B_DIRTY) |
1979 | uiop->uio_procp = pageproc; | |
1980 | cr = crcopy(uiop->uio_procp->p_ucred); | |
7848989c KM |
1981 | /* mapping was already done by vmapbuf */ |
1982 | io.iov_base = bp->b_un.b_addr; | |
e8540f59 KM |
1983 | |
1984 | /* | |
1985 | * And do the i/o rpc | |
1986 | */ | |
e8540f59 | 1987 | io.iov_len = uiop->uio_resid = bp->b_bcount; |
589be24d | 1988 | uiop->uio_offset = bp->b_blkno * DEV_BSIZE; |
e8540f59 KM |
1989 | if (bp->b_flags & B_READ) { |
1990 | uiop->uio_rw = UIO_READ; | |
1991 | nfsstats.read_physios++; | |
26cb2431 | 1992 | bp->b_error = error = nfs_readrpc(vp, uiop, cr); |
8986c97c | 1993 | (void) vnode_pager_uncache(vp); |
e8540f59 KM |
1994 | } else { |
1995 | uiop->uio_rw = UIO_WRITE; | |
1996 | nfsstats.write_physios++; | |
26cb2431 | 1997 | bp->b_error = error = nfs_writerpc(vp, uiop, cr); |
ffe6f482 | 1998 | } |
e8540f59 KM |
1999 | |
2000 | /* | |
2001 | * Finally, release pte's used by physical i/o | |
2002 | */ | |
9238aa59 | 2003 | crfree(cr); |
e8540f59 KM |
2004 | } else { |
2005 | if (bp->b_flags & B_READ) { | |
2006 | io.iov_len = uiop->uio_resid = bp->b_bcount; | |
e8540f59 KM |
2007 | io.iov_base = bp->b_un.b_addr; |
2008 | uiop->uio_rw = UIO_READ; | |
f0f1cbaa KM |
2009 | switch (vp->v_type) { |
2010 | case VREG: | |
2011 | uiop->uio_offset = bp->b_blkno * DEV_BSIZE; | |
2012 | nfsstats.read_bios++; | |
26cb2431 | 2013 | error = nfs_readrpc(vp, uiop, bp->b_rcred); |
f0f1cbaa KM |
2014 | break; |
2015 | case VLNK: | |
2016 | uiop->uio_offset = 0; | |
2017 | nfsstats.readlink_bios++; | |
26cb2431 | 2018 | error = nfs_readlinkrpc(vp, uiop, bp->b_rcred); |
f0f1cbaa KM |
2019 | break; |
2020 | case VDIR: | |
2021 | uiop->uio_offset = bp->b_lblkno; | |
2022 | nfsstats.readdir_bios++; | |
2c5b44a2 KM |
2023 | if (VFSTONFS(vp->v_mount)->nm_flag & NFSMNT_RDIRALOOK) |
2024 | error = nfs_readdirlookrpc(vp, uiop, bp->b_rcred); | |
2025 | else | |
2026 | error = nfs_readdirrpc(vp, uiop, bp->b_rcred); | |
f0f1cbaa KM |
2027 | /* |
2028 | * Save offset cookie in b_blkno. | |
2029 | */ | |
2030 | bp->b_blkno = uiop->uio_offset; | |
2031 | break; | |
2032 | }; | |
2033 | bp->b_error = error; | |
e8540f59 KM |
2034 | } else { |
2035 | io.iov_len = uiop->uio_resid = bp->b_dirtyend | |
2036 | - bp->b_dirtyoff; | |
589be24d | 2037 | uiop->uio_offset = (bp->b_blkno * DEV_BSIZE) |
e8540f59 KM |
2038 | + bp->b_dirtyoff; |
2039 | io.iov_base = bp->b_un.b_addr + bp->b_dirtyoff; | |
2040 | uiop->uio_rw = UIO_WRITE; | |
2041 | nfsstats.write_bios++; | |
f0f1cbaa | 2042 | bp->b_error = error = nfs_writerpc(vp, uiop, |
26cb2431 | 2043 | bp->b_wcred); |
e8540f59 | 2044 | if (error) { |
e8540f59 KM |
2045 | np->n_error = error; |
2046 | np->n_flag |= NWRITEERR; | |
2047 | } | |
2048 | bp->b_dirtyoff = bp->b_dirtyend = 0; | |
2049 | } | |
9238aa59 | 2050 | } |
e8540f59 KM |
2051 | if (error) |
2052 | bp->b_flags |= B_ERROR; | |
2053 | bp->b_resid = uiop->uio_resid; | |
a2907882 | 2054 | biodone(bp); |
9238aa59 RM |
2055 | return (error); |
2056 | } | |
2057 | ||
26cb2431 KM |
2058 | /* |
2059 | * Mmap a file | |
2060 | * | |
2061 | * NB Currently unsupported. | |
2062 | */ | |
2063 | /* ARGSUSED */ | |
cfef4373 | 2064 | int |
d40530c6 | 2065 | nfs_mmap(ap) |
f43a11b8 KM |
2066 | struct vop_mmap_args /* { |
2067 | struct vnode *a_vp; | |
2068 | int a_fflags; | |
2069 | struct ucred *a_cred; | |
2070 | struct proc *a_p; | |
2071 | } */ *ap; | |
26cb2431 KM |
2072 | { |
2073 | ||
2074 | return (EINVAL); | |
2075 | } | |
2076 | ||
9238aa59 RM |
2077 | /* |
2078 | * Flush all the blocks associated with a vnode. | |
2079 | * Walk through the buffer pool and push any dirty pages | |
2080 | * associated with the vnode. | |
2081 | */ | |
13576453 | 2082 | /* ARGSUSED */ |
cfef4373 | 2083 | int |
d40530c6 | 2084 | nfs_fsync(ap) |
575dc6d4 KM |
2085 | struct vop_fsync_args /* { |
2086 | struct vnodeop_desc *a_desc; | |
2087 | struct vnode * a_vp; | |
2088 | struct ucred * a_cred; | |
2089 | int a_waitfor; | |
2090 | struct proc * a_p; | |
2091 | } */ *ap; | |
9238aa59 | 2092 | { |
575dc6d4 KM |
2093 | register struct vnode *vp = ap->a_vp; |
2094 | register struct nfsnode *np = VTONFS(vp); | |
2095 | register struct buf *bp; | |
2096 | struct buf *nbp; | |
2097 | int s, error = 0; | |
2098 | ||
2099 | loop: | |
2100 | s = splbio(); | |
2101 | for (bp = vp->v_dirtyblkhd; bp; bp = nbp) { | |
2102 | nbp = bp->b_blockf; | |
2103 | if ((bp->b_flags & B_BUSY)) | |
2104 | continue; | |
2105 | if ((bp->b_flags & B_DELWRI) == 0) | |
2106 | panic("nfs_fsync: not dirty"); | |
2107 | bremfree(bp); | |
2108 | bp->b_flags |= B_BUSY; | |
2109 | splx(s); | |
2110 | error = bawrite(bp); | |
2111 | goto loop; | |
2112 | } | |
2113 | if (ap->a_waitfor == MNT_WAIT) { | |
2114 | while (vp->v_numoutput) { | |
2115 | vp->v_flag |= VBWAIT; | |
2116 | sleep((caddr_t)&vp->v_numoutput, PRIBIO + 1); | |
2117 | } | |
2118 | #ifdef DIAGNOSTIC | |
2119 | if (vp->v_dirtyblkhd) { | |
2120 | vprint("nfs_fsync: dirty", vp); | |
2121 | goto loop; | |
2122 | } | |
2123 | #endif | |
9238aa59 | 2124 | } |
575dc6d4 KM |
2125 | splx(s); |
2126 | np->n_flag &= ~NMODIFIED; | |
9b61ab4a | 2127 | if (np->n_flag & NWRITEERR) { |
e8540f59 | 2128 | error = np->n_error; |
9b61ab4a KM |
2129 | np->n_flag &= ~NWRITEERR; |
2130 | } | |
a2907882 KM |
2131 | return (error); |
2132 | } | |
d002709d | 2133 | |
a4128336 KM |
2134 | /* |
2135 | * NFS advisory byte-level locks. | |
2136 | * Currently unsupported. | |
2137 | */ | |
cfef4373 | 2138 | int |
d40530c6 | 2139 | nfs_advlock(ap) |
f43a11b8 KM |
2140 | struct vop_advlock_args /* { |
2141 | struct vnode *a_vp; | |
2142 | caddr_t a_id; | |
2143 | int a_op; | |
2144 | struct flock *a_fl; | |
2145 | int a_flags; | |
2146 | } */ *ap; | |
a4128336 KM |
2147 | { |
2148 | ||
2149 | return (EOPNOTSUPP); | |
2150 | } | |
2151 | ||
d002709d KM |
2152 | /* |
2153 | * Print out the contents of an nfsnode. | |
2154 | */ | |
cfef4373 | 2155 | int |
d40530c6 | 2156 | nfs_print(ap) |
f43a11b8 KM |
2157 | struct vop_print_args /* { |
2158 | struct vnode *a_vp; | |
2159 | } */ *ap; | |
d002709d | 2160 | { |
d40530c6 KM |
2161 | register struct vnode *vp = ap->a_vp; |
2162 | register struct nfsnode *np = VTONFS(vp); | |
d002709d | 2163 | |
b2d955e4 KM |
2164 | printf("tag VT_NFS, fileid %d fsid 0x%x", |
2165 | np->n_vattr.va_fileid, np->n_vattr.va_fsid); | |
2166 | #ifdef FIFO | |
d40530c6 KM |
2167 | if (vp->v_type == VFIFO) |
2168 | fifo_printinfo(vp); | |
b2d955e4 | 2169 | #endif /* FIFO */ |
1a1dbccb | 2170 | printf("\n"); |
d002709d | 2171 | } |
9396df75 KM |
2172 | |
2173 | /* | |
2174 | * NFS directory offset lookup. | |
2175 | * Currently unsupported. | |
2176 | */ | |
cfef4373 | 2177 | int |
d40530c6 | 2178 | nfs_blkatoff(ap) |
f43a11b8 KM |
2179 | struct vop_blkatoff_args /* { |
2180 | struct vnode *a_vp; | |
2181 | off_t a_offset; | |
2182 | char **a_res; | |
2183 | struct buf **a_bpp; | |
2184 | } */ *ap; | |
9396df75 KM |
2185 | { |
2186 | ||
2187 | return (EOPNOTSUPP); | |
2188 | } | |
2189 | ||
2190 | /* | |
2191 | * NFS flat namespace allocation. | |
2192 | * Currently unsupported. | |
2193 | */ | |
cfef4373 | 2194 | int |
d40530c6 | 2195 | nfs_valloc(ap) |
f43a11b8 KM |
2196 | struct vop_valloc_args /* { |
2197 | struct vnode *a_pvp; | |
2198 | int a_mode; | |
2199 | struct ucred *a_cred; | |
2200 | struct vnode **a_vpp; | |
2201 | } */ *ap; | |
9396df75 KM |
2202 | { |
2203 | ||
2204 | return (EOPNOTSUPP); | |
2205 | } | |
2206 | ||
2207 | /* | |
2208 | * NFS flat namespace free. | |
2209 | * Currently unsupported. | |
2210 | */ | |
4c323403 | 2211 | int |
d40530c6 | 2212 | nfs_vfree(ap) |
f43a11b8 KM |
2213 | struct vop_vfree_args /* { |
2214 | struct vnode *a_pvp; | |
2215 | ino_t a_ino; | |
2216 | int a_mode; | |
2217 | } */ *ap; | |
9396df75 KM |
2218 | { |
2219 | ||
4c323403 | 2220 | return (EOPNOTSUPP); |
9396df75 KM |
2221 | } |
2222 | ||
2223 | /* | |
2224 | * NFS file truncation. | |
2225 | */ | |
cfef4373 | 2226 | int |
d40530c6 | 2227 | nfs_truncate(ap) |
f43a11b8 KM |
2228 | struct vop_truncate_args /* { |
2229 | struct vnode *a_vp; | |
2230 | off_t a_length; | |
2231 | int a_flags; | |
2232 | struct ucred *a_cred; | |
2233 | struct proc *a_p; | |
2234 | } */ *ap; | |
9396df75 KM |
2235 | { |
2236 | ||
2237 | /* Use nfs_setattr */ | |
2238 | printf("nfs_truncate: need to implement!!"); | |
2239 | return (EOPNOTSUPP); | |
2240 | } | |
2241 | ||
2242 | /* | |
2243 | * NFS update. | |
2244 | */ | |
cfef4373 | 2245 | int |
d40530c6 | 2246 | nfs_update(ap) |
f43a11b8 KM |
2247 | struct vop_update_args /* { |
2248 | struct vnode *a_vp; | |
2249 | struct timeval *a_ta; | |
2250 | struct timeval *a_tm; | |
2251 | int a_waitfor; | |
2252 | } */ *ap; | |
9396df75 KM |
2253 | { |
2254 | ||
2255 | /* Use nfs_setattr */ | |
2256 | printf("nfs_update: need to implement!!"); | |
2257 | return (EOPNOTSUPP); | |
2258 | } | |
9b61ab4a KM |
2259 | |
2260 | /* | |
2261 | * Read wrapper for special devices. | |
2262 | */ | |
2263 | int | |
2264 | nfsspec_read(ap) | |
f43a11b8 KM |
2265 | struct vop_read_args /* { |
2266 | struct vnode *a_vp; | |
2267 | struct uio *a_uio; | |
2268 | int a_ioflag; | |
2269 | struct ucred *a_cred; | |
2270 | } */ *ap; | |
9b61ab4a | 2271 | { |
8a0aec3d | 2272 | register struct nfsnode *np = VTONFS(ap->a_vp); |
9b61ab4a KM |
2273 | |
2274 | /* | |
2275 | * Set access flag. | |
2276 | */ | |
8a0aec3d KM |
2277 | np->n_flag |= NACC; |
2278 | np->n_atim = time; | |
9b61ab4a KM |
2279 | return (VOCALL(spec_vnodeop_p, VOFFSET(vop_read), ap)); |
2280 | } | |
2281 | ||
2282 | /* | |
2283 | * Write wrapper for special devices. | |
2284 | */ | |
2285 | int | |
2286 | nfsspec_write(ap) | |
f43a11b8 KM |
2287 | struct vop_write_args /* { |
2288 | struct vnode *a_vp; | |
2289 | struct uio *a_uio; | |
2290 | int a_ioflag; | |
2291 | struct ucred *a_cred; | |
2292 | } */ *ap; | |
9b61ab4a | 2293 | { |
8a0aec3d | 2294 | register struct nfsnode *np = VTONFS(ap->a_vp); |
9b61ab4a KM |
2295 | |
2296 | /* | |
8a0aec3d | 2297 | * Set update flag. |
9b61ab4a | 2298 | */ |
8a0aec3d KM |
2299 | np->n_flag |= NUPD; |
2300 | np->n_mtim = time; | |
9b61ab4a KM |
2301 | return (VOCALL(spec_vnodeop_p, VOFFSET(vop_write), ap)); |
2302 | } | |
2303 | ||
2304 | /* | |
2305 | * Close wrapper for special devices. | |
2306 | * | |
2307 | * Update the times on the nfsnode then do device close. | |
2308 | */ | |
2309 | int | |
2310 | nfsspec_close(ap) | |
f43a11b8 KM |
2311 | struct vop_close_args /* { |
2312 | struct vnode *a_vp; | |
2313 | int a_fflag; | |
2314 | struct ucred *a_cred; | |
2315 | struct proc *a_p; | |
2316 | } */ *ap; | |
9b61ab4a | 2317 | { |
d40530c6 KM |
2318 | register struct vnode *vp = ap->a_vp; |
2319 | register struct nfsnode *np = VTONFS(vp); | |
9b61ab4a | 2320 | struct vattr vattr; |
9b61ab4a KM |
2321 | |
2322 | if (np->n_flag & (NACC | NUPD)) { | |
2323 | if (np->n_flag & NACC) | |
2324 | np->n_atim = time; | |
2325 | if (np->n_flag & NUPD) | |
2326 | np->n_mtim = time; | |
2327 | np->n_flag |= NCHG; | |
d40530c6 KM |
2328 | if (vp->v_usecount == 1 && |
2329 | (vp->v_mount->mnt_flag & MNT_RDONLY) == 0) { | |
9b61ab4a | 2330 | VATTR_NULL(&vattr); |
7e11a0c9 KM |
2331 | if (np->n_flag & NACC) { |
2332 | vattr.va_atime.ts_sec = np->n_atim.tv_sec; | |
2333 | vattr.va_atime.ts_nsec = | |
2334 | np->n_atim.tv_usec * 1000; | |
2335 | } | |
2336 | if (np->n_flag & NUPD) { | |
2337 | vattr.va_mtime.ts_sec = np->n_mtim.tv_sec; | |
2338 | vattr.va_mtime.ts_nsec = | |
2339 | np->n_mtim.tv_usec * 1000; | |
2340 | } | |
d40530c6 | 2341 | (void)VOP_SETATTR(vp, &vattr, ap->a_cred, ap->a_p); |
9b61ab4a KM |
2342 | } |
2343 | } | |
2344 | return (VOCALL(spec_vnodeop_p, VOFFSET(vop_close), ap)); | |
2345 | } | |
2346 | ||
2347 | #ifdef FIFO | |
2348 | /* | |
2349 | * Read wrapper for fifos. | |
2350 | */ | |
2351 | int | |
2352 | nfsfifo_read(ap) | |
f43a11b8 KM |
2353 | struct vop_read_args /* { |
2354 | struct vnode *a_vp; | |
2355 | struct uio *a_uio; | |
2356 | int a_ioflag; | |
2357 | struct ucred *a_cred; | |
2358 | } */ *ap; | |
9b61ab4a KM |
2359 | { |
2360 | extern int (**fifo_vnodeop_p)(); | |
8a0aec3d | 2361 | register struct nfsnode *np = VTONFS(ap->a_vp); |
9b61ab4a KM |
2362 | |
2363 | /* | |
2364 | * Set access flag. | |
2365 | */ | |
8a0aec3d KM |
2366 | np->n_flag |= NACC; |
2367 | np->n_atim = time; | |
9b61ab4a KM |
2368 | return (VOCALL(fifo_vnodeop_p, VOFFSET(vop_read), ap)); |
2369 | } | |
2370 | ||
2371 | /* | |
2372 | * Write wrapper for fifos. | |
2373 | */ | |
2374 | int | |
2375 | nfsfifo_write(ap) | |
f43a11b8 KM |
2376 | struct vop_write_args /* { |
2377 | struct vnode *a_vp; | |
2378 | struct uio *a_uio; | |
2379 | int a_ioflag; | |
2380 | struct ucred *a_cred; | |
2381 | } */ *ap; | |
9b61ab4a KM |
2382 | { |
2383 | extern int (**fifo_vnodeop_p)(); | |
8a0aec3d | 2384 | register struct nfsnode *np = VTONFS(ap->a_vp); |
9b61ab4a KM |
2385 | |
2386 | /* | |
2387 | * Set update flag. | |
2388 | */ | |
8a0aec3d KM |
2389 | np->n_flag |= NUPD; |
2390 | np->n_mtim = time; | |
9b61ab4a KM |
2391 | return (VOCALL(fifo_vnodeop_p, VOFFSET(vop_write), ap)); |
2392 | } | |
2393 | ||
2394 | /* | |
2395 | * Close wrapper for fifos. | |
2396 | * | |
2397 | * Update the times on the nfsnode then do fifo close. | |
2398 | */ | |
2399 | int | |
2400 | nfsfifo_close(ap) | |
f43a11b8 KM |
2401 | struct vop_close_args /* { |
2402 | struct vnode *a_vp; | |
2403 | int a_fflag; | |
2404 | struct ucred *a_cred; | |
2405 | struct proc *a_p; | |
2406 | } */ *ap; | |
9b61ab4a | 2407 | { |
d40530c6 KM |
2408 | register struct vnode *vp = ap->a_vp; |
2409 | register struct nfsnode *np = VTONFS(vp); | |
9b61ab4a KM |
2410 | struct vattr vattr; |
2411 | extern int (**fifo_vnodeop_p)(); | |
2412 | ||
2413 | if (np->n_flag & (NACC | NUPD)) { | |
2414 | if (np->n_flag & NACC) | |
2415 | np->n_atim = time; | |
2416 | if (np->n_flag & NUPD) | |
2417 | np->n_mtim = time; | |
2418 | np->n_flag |= NCHG; | |
d40530c6 KM |
2419 | if (vp->v_usecount == 1 && |
2420 | (vp->v_mount->mnt_flag & MNT_RDONLY) == 0) { | |
9b61ab4a | 2421 | VATTR_NULL(&vattr); |
7e11a0c9 KM |
2422 | if (np->n_flag & NACC) { |
2423 | vattr.va_atime.ts_sec = np->n_atim.tv_sec; | |
2424 | vattr.va_atime.ts_nsec = | |
2425 | np->n_atim.tv_usec * 1000; | |
2426 | } | |
2427 | if (np->n_flag & NUPD) { | |
2428 | vattr.va_mtime.ts_sec = np->n_mtim.tv_sec; | |
2429 | vattr.va_mtime.ts_nsec = | |
2430 | np->n_mtim.tv_usec * 1000; | |
2431 | } | |
d40530c6 | 2432 | (void)VOP_SETATTR(vp, &vattr, ap->a_cred, ap->a_p); |
9b61ab4a KM |
2433 | } |
2434 | } | |
2435 | return (VOCALL(fifo_vnodeop_p, VOFFSET(vop_close), ap)); | |
2436 | } | |
2437 | #endif /* FIFO */ |