Commit | Line | Data |
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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 | * |
575dc6d4 | 10 | * @(#)nfs_vnops.c 7.84 (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> | |
28 | #include <sys/specdev.h> | |
29 | #include <sys/fifo.h> | |
30 | #include <sys/map.h> | |
058dee65 | 31 | |
400a1380 KM |
32 | #include <vm/vm.h> |
33 | ||
34 | #include <nfs/rpcv2.h> | |
35 | #include <nfs/nfsv2.h> | |
36 | #include <nfs/nfs.h> | |
37 | #include <nfs/nfsnode.h> | |
38 | #include <nfs/nfsmount.h> | |
39 | #include <nfs/xdr_subs.h> | |
40 | #include <nfs/nfsm_subs.h> | |
41 | #include <nfs/nqnfs.h> | |
a2907882 KM |
42 | |
43 | /* Defs */ | |
44 | #define TRUE 1 | |
45 | #define FALSE 0 | |
46 | ||
26cb2431 KM |
47 | /* |
48 | * Global vfs data structures for nfs | |
49 | */ | |
9342689a JH |
50 | int (**nfsv2_vnodeop_p)(); |
51 | struct vnodeopv_entry_desc nfsv2_vnodeop_entries[] = { | |
52 | { &vop_default_desc, vn_default_error }, | |
d40530c6 KM |
53 | { &vop_lookup_desc, nfs_lookup }, /* lookup */ |
54 | { &vop_create_desc, nfs_create }, /* create */ | |
9342689a JH |
55 | { &vop_mknod_desc, nfs_mknod }, /* mknod */ |
56 | { &vop_open_desc, nfs_open }, /* open */ | |
57 | { &vop_close_desc, nfs_close }, /* close */ | |
d40530c6 KM |
58 | { &vop_access_desc, nfs_access }, /* access */ |
59 | { &vop_getattr_desc, nfs_getattr }, /* getattr */ | |
60 | { &vop_setattr_desc, nfs_setattr }, /* setattr */ | |
9342689a JH |
61 | { &vop_read_desc, nfs_read }, /* read */ |
62 | { &vop_write_desc, nfs_write }, /* write */ | |
63 | { &vop_ioctl_desc, nfs_ioctl }, /* ioctl */ | |
d40530c6 | 64 | { &vop_select_desc, nfs_select }, /* select */ |
9342689a JH |
65 | { &vop_mmap_desc, nfs_mmap }, /* mmap */ |
66 | { &vop_fsync_desc, nfs_fsync }, /* fsync */ | |
67 | { &vop_seek_desc, nfs_seek }, /* seek */ | |
d40530c6 | 68 | { &vop_remove_desc, nfs_remove }, /* remove */ |
9342689a | 69 | { &vop_link_desc, nfs_link }, /* link */ |
d40530c6 | 70 | { &vop_rename_desc, nfs_rename }, /* rename */ |
9342689a JH |
71 | { &vop_mkdir_desc, nfs_mkdir }, /* mkdir */ |
72 | { &vop_rmdir_desc, nfs_rmdir }, /* rmdir */ | |
d40530c6 KM |
73 | { &vop_symlink_desc, nfs_symlink }, /* symlink */ |
74 | { &vop_readdir_desc, nfs_readdir }, /* readdir */ | |
75 | { &vop_readlink_desc, nfs_readlink }, /* readlink */ | |
76 | { &vop_abortop_desc, nfs_abortop }, /* abortop */ | |
77 | { &vop_inactive_desc, nfs_inactive }, /* inactive */ | |
78 | { &vop_reclaim_desc, nfs_reclaim }, /* reclaim */ | |
9342689a | 79 | { &vop_lock_desc, nfs_lock }, /* lock */ |
d40530c6 | 80 | { &vop_unlock_desc, nfs_unlock }, /* unlock */ |
9342689a | 81 | { &vop_bmap_desc, nfs_bmap }, /* bmap */ |
d40530c6 | 82 | { &vop_strategy_desc, nfs_strategy }, /* strategy */ |
9342689a | 83 | { &vop_print_desc, nfs_print }, /* print */ |
d40530c6 KM |
84 | { &vop_islocked_desc, nfs_islocked }, /* islocked */ |
85 | { &vop_advlock_desc, nfs_advlock }, /* advlock */ | |
86 | { &vop_blkatoff_desc, nfs_blkatoff }, /* blkatoff */ | |
9342689a | 87 | { &vop_vget_desc, nfs_vget }, /* vget */ |
d40530c6 | 88 | { &vop_valloc_desc, nfs_valloc }, /* valloc */ |
9342689a | 89 | { &vop_vfree_desc, nfs_vfree }, /* vfree */ |
d40530c6 KM |
90 | { &vop_truncate_desc, nfs_truncate }, /* truncate */ |
91 | { &vop_update_desc, nfs_update }, /* update */ | |
4c323403 | 92 | { &vop_bwrite_desc, vn_bwrite }, |
9342689a | 93 | { (struct vnodeop_desc*)NULL, (int(*)())NULL } |
a2907882 | 94 | }; |
9342689a JH |
95 | struct vnodeopv_desc nfsv2_vnodeop_opv_desc = |
96 | { &nfsv2_vnodeop_p, nfsv2_vnodeop_entries }; | |
a2907882 | 97 | |
26cb2431 KM |
98 | /* |
99 | * Special device vnode ops | |
100 | */ | |
9342689a JH |
101 | int (**spec_nfsv2nodeop_p)(); |
102 | struct vnodeopv_entry_desc spec_nfsv2nodeop_entries[] = { | |
103 | { &vop_default_desc, vn_default_error }, | |
d40530c6 KM |
104 | { &vop_lookup_desc, spec_lookup }, /* lookup */ |
105 | { &vop_create_desc, spec_create }, /* create */ | |
106 | { &vop_mknod_desc, spec_mknod }, /* mknod */ | |
9342689a | 107 | { &vop_open_desc, spec_open }, /* open */ |
d40530c6 KM |
108 | { &vop_close_desc, nfsspec_close }, /* close */ |
109 | { &vop_access_desc, nfs_access }, /* access */ | |
110 | { &vop_getattr_desc, nfs_getattr }, /* getattr */ | |
111 | { &vop_setattr_desc, nfs_setattr }, /* setattr */ | |
112 | { &vop_read_desc, nfsspec_read }, /* read */ | |
113 | { &vop_write_desc, nfsspec_write }, /* write */ | |
114 | { &vop_ioctl_desc, spec_ioctl }, /* ioctl */ | |
115 | { &vop_select_desc, spec_select }, /* select */ | |
9342689a | 116 | { &vop_mmap_desc, spec_mmap }, /* mmap */ |
575dc6d4 | 117 | { &vop_fsync_desc, nfs_fsync }, /* fsync */ |
9342689a | 118 | { &vop_seek_desc, spec_seek }, /* seek */ |
d40530c6 | 119 | { &vop_remove_desc, spec_remove }, /* remove */ |
9342689a | 120 | { &vop_link_desc, spec_link }, /* link */ |
d40530c6 KM |
121 | { &vop_rename_desc, spec_rename }, /* rename */ |
122 | { &vop_mkdir_desc, spec_mkdir }, /* mkdir */ | |
123 | { &vop_rmdir_desc, spec_rmdir }, /* rmdir */ | |
124 | { &vop_symlink_desc, spec_symlink }, /* symlink */ | |
125 | { &vop_readdir_desc, spec_readdir }, /* readdir */ | |
126 | { &vop_readlink_desc, spec_readlink }, /* readlink */ | |
127 | { &vop_abortop_desc, spec_abortop }, /* abortop */ | |
128 | { &vop_inactive_desc, nfs_inactive }, /* inactive */ | |
129 | { &vop_reclaim_desc, nfs_reclaim }, /* reclaim */ | |
9342689a | 130 | { &vop_lock_desc, nfs_lock }, /* lock */ |
d40530c6 | 131 | { &vop_unlock_desc, nfs_unlock }, /* unlock */ |
9342689a | 132 | { &vop_bmap_desc, spec_bmap }, /* bmap */ |
d40530c6 | 133 | { &vop_strategy_desc, spec_strategy }, /* strategy */ |
9342689a | 134 | { &vop_print_desc, nfs_print }, /* print */ |
d40530c6 KM |
135 | { &vop_islocked_desc, nfs_islocked }, /* islocked */ |
136 | { &vop_advlock_desc, spec_advlock }, /* advlock */ | |
137 | { &vop_blkatoff_desc, spec_blkatoff }, /* blkatoff */ | |
9342689a | 138 | { &vop_vget_desc, spec_vget }, /* vget */ |
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 */ | |
9342689a | 187 | { &vop_vget_desc, fifo_vget }, /* vget */ |
d40530c6 KM |
188 | { &vop_valloc_desc, fifo_valloc }, /* valloc */ |
189 | { &vop_vfree_desc, fifo_vfree }, /* vfree */ | |
190 | { &vop_truncate_desc, fifo_truncate }, /* truncate */ | |
191 | { &vop_update_desc, nfs_update }, /* update */ | |
4c323403 | 192 | { &vop_bwrite_desc, vn_bwrite }, |
9342689a | 193 | { (struct vnodeop_desc*)NULL, (int(*)())NULL } |
b2d955e4 | 194 | }; |
9342689a JH |
195 | struct vnodeopv_desc fifo_nfsv2nodeop_opv_desc = |
196 | { &fifo_nfsv2nodeop_p, fifo_nfsv2nodeop_entries }; | |
b2d955e4 KM |
197 | #endif /* FIFO */ |
198 | ||
26cb2431 | 199 | /* |
2c5b44a2 | 200 | * Global variables |
26cb2431 | 201 | */ |
a2907882 KM |
202 | extern u_long nfs_procids[NFS_NPROCS]; |
203 | extern u_long nfs_prog, nfs_vers; | |
a2907882 | 204 | extern char nfsiobuf[MAXPHYS+NBPG]; |
9238aa59 | 205 | struct buf nfs_bqueue; /* Queue head for nfsiod's */ |
f0f1cbaa | 206 | struct proc *nfs_iodwant[NFS_MAXASYNCDAEMON]; |
1c89915d | 207 | int nfs_numasync = 0; |
f0a3460e | 208 | #define DIRHDSIZ (sizeof (struct readdir) - (MAXNAMLEN + 1)) |
a2907882 KM |
209 | |
210 | /* | |
211 | * nfs null call from vfs. | |
212 | */ | |
cfef4373 | 213 | int |
2c5b44a2 | 214 | nfs_null(vp, cred, procp) |
a2907882 KM |
215 | struct vnode *vp; |
216 | struct ucred *cred; | |
2c5b44a2 | 217 | struct proc *procp; |
a2907882 | 218 | { |
13576453 | 219 | caddr_t bpos, dpos; |
13576453 KM |
220 | int error = 0; |
221 | struct mbuf *mreq, *mrep, *md, *mb; | |
a2907882 | 222 | |
2c5b44a2 KM |
223 | nfsm_reqhead(vp, NFSPROC_NULL, 0); |
224 | nfsm_request(vp, NFSPROC_NULL, procp, cred); | |
a2907882 KM |
225 | nfsm_reqdone; |
226 | return (error); | |
227 | } | |
228 | ||
229 | /* | |
230 | * nfs access vnode op. | |
231 | * Essentially just get vattr and then imitate iaccess() | |
232 | */ | |
cfef4373 | 233 | int |
d40530c6 | 234 | nfs_access(ap) |
9342689a | 235 | struct vop_access_args *ap; |
a2907882 | 236 | { |
9342689a | 237 | USES_VOP_GETATTR; |
a2907882 KM |
238 | register struct vattr *vap; |
239 | register gid_t *gp; | |
d40530c6 KM |
240 | register struct ucred *cred = ap->a_cred; |
241 | mode_t mode = ap->a_mode; | |
a2907882 KM |
242 | struct vattr vattr; |
243 | register int i; | |
244 | int error; | |
245 | ||
246 | /* | |
247 | * If you're the super-user, | |
248 | * you always get access. | |
249 | */ | |
d40530c6 | 250 | if (cred->cr_uid == 0) |
a2907882 KM |
251 | return (0); |
252 | vap = &vattr; | |
d40530c6 | 253 | if (error = VOP_GETATTR(ap->a_vp, vap, cred, ap->a_p)) |
9238aa59 | 254 | return (error); |
a2907882 KM |
255 | /* |
256 | * Access check is based on only one of owner, group, public. | |
257 | * If not owner, then check group. If not a member of the | |
258 | * group, then check public access. | |
259 | */ | |
d40530c6 KM |
260 | if (cred->cr_uid != vap->va_uid) { |
261 | mode >>= 3; | |
262 | gp = cred->cr_groups; | |
263 | for (i = 0; i < cred->cr_ngroups; i++, gp++) | |
a2907882 KM |
264 | if (vap->va_gid == *gp) |
265 | goto found; | |
d40530c6 | 266 | mode >>= 3; |
a2907882 KM |
267 | found: |
268 | ; | |
269 | } | |
d40530c6 | 270 | if ((vap->va_mode & mode) != 0) |
a2907882 KM |
271 | return (0); |
272 | return (EACCES); | |
273 | } | |
274 | ||
275 | /* | |
276 | * nfs open vnode op | |
277 | * Just check to see if the type is ok | |
2c5b44a2 | 278 | * and that deletion is not in progress. |
a2907882 | 279 | */ |
13576453 | 280 | /* ARGSUSED */ |
cfef4373 | 281 | int |
d40530c6 | 282 | nfs_open(ap) |
9342689a | 283 | struct vop_open_args *ap; |
a2907882 | 284 | { |
d40530c6 | 285 | register struct vnode *vp = ap->a_vp; |
a2907882 | 286 | |
d40530c6 | 287 | if (vp->v_type != VREG && vp->v_type != VDIR && vp->v_type != VLNK) |
a2907882 | 288 | return (EACCES); |
d40530c6 KM |
289 | if ((VFSTONFS(vp->v_mount)->nm_flag & NFSMNT_NQNFS) == 0) |
290 | VTONFS(vp)->n_attrstamp = 0; /* For Open/Close consistency */ | |
2c5b44a2 | 291 | return (0); |
a2907882 KM |
292 | } |
293 | ||
294 | /* | |
295 | * nfs close vnode op | |
9238aa59 | 296 | * For reg files, invalidate any buffer cache entries. |
a2907882 | 297 | */ |
13576453 | 298 | /* ARGSUSED */ |
cfef4373 | 299 | int |
d40530c6 | 300 | nfs_close(ap) |
575dc6d4 KM |
301 | struct vop_close_args /* { |
302 | struct vnodeop_desc *a_desc; | |
303 | struct vnode *a_vp; | |
304 | int a_fflag; | |
305 | struct ucred *a_cred; | |
306 | struct proc *a_p; | |
307 | } */ *ap; | |
a2907882 | 308 | { |
d40530c6 KM |
309 | register struct vnode *vp = ap->a_vp; |
310 | register struct nfsnode *np = VTONFS(vp); | |
ffe6f482 | 311 | int error = 0; |
a2907882 | 312 | |
d40530c6 KM |
313 | if (vp->v_type == VREG) { |
314 | if ((VFSTONFS(vp->v_mount)->nm_flag & NFSMNT_NQNFS) == 0 && | |
9b61ab4a | 315 | (np->n_flag & NMODIFIED)) { |
575dc6d4 | 316 | error = vinvalbuf(vp, TRUE, ap->a_cred, ap->a_p); |
f0f1cbaa | 317 | np->n_flag &= ~NMODIFIED; |
f0f1cbaa | 318 | np->n_attrstamp = 0; |
9b61ab4a KM |
319 | } |
320 | if (np->n_flag & NWRITEERR) { | |
321 | np->n_flag &= ~NWRITEERR; | |
322 | error = np->n_error; | |
323 | } | |
9238aa59 | 324 | } |
a2907882 KM |
325 | return (error); |
326 | } | |
327 | ||
328 | /* | |
329 | * nfs getattr call from vfs. | |
330 | */ | |
cfef4373 | 331 | int |
a32db4fc | 332 | nfs_getattr(ap) |
9342689a | 333 | struct vop_getattr_args *ap; |
a2907882 | 334 | { |
a32db4fc KM |
335 | register struct vnode *vp = ap->a_vp; |
336 | register struct nfsnode *np = VTONFS(vp); | |
13576453 | 337 | register caddr_t cp; |
13576453 | 338 | caddr_t bpos, dpos; |
13576453 KM |
339 | int error = 0; |
340 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 | 341 | |
a32db4fc KM |
342 | /* |
343 | * Update local times for special files. | |
344 | */ | |
345 | if (np->n_flag & (NACC | NUPD)) { | |
346 | if (np->n_flag & NACC) | |
347 | np->n_atim = time; | |
348 | if (np->n_flag & NUPD) | |
349 | np->n_mtim = time; | |
350 | np->n_flag |= NCHG; | |
351 | } | |
352 | /* | |
353 | * First look in the cache. | |
354 | */ | |
355 | if (nfs_getattrcache(vp, ap->a_vap) == 0) | |
a2907882 KM |
356 | return (0); |
357 | nfsstats.rpccnt[NFSPROC_GETATTR]++; | |
a32db4fc KM |
358 | nfsm_reqhead(vp, NFSPROC_GETATTR, NFSX_FH); |
359 | nfsm_fhtom(vp); | |
360 | nfsm_request(vp, NFSPROC_GETATTR, ap->a_p, ap->a_cred); | |
361 | nfsm_loadattr(vp, ap->a_vap); | |
a2907882 KM |
362 | nfsm_reqdone; |
363 | return (error); | |
364 | } | |
365 | ||
366 | /* | |
367 | * nfs setattr call. | |
368 | */ | |
cfef4373 | 369 | int |
d40530c6 | 370 | nfs_setattr(ap) |
575dc6d4 KM |
371 | struct vop_setattr_args /* { |
372 | struct vnodeop_desc *a_desc; | |
373 | struct vnode *a_vp; | |
374 | struct vattr *a_vap; | |
375 | struct ucred *a_cred; | |
376 | struct proc *a_p; | |
377 | } */ *ap; | |
a2907882 | 378 | { |
9238aa59 | 379 | register struct nfsv2_sattr *sp; |
13576453 KM |
380 | register caddr_t cp; |
381 | register long t1; | |
2c5b44a2 KM |
382 | caddr_t bpos, dpos, cp2; |
383 | u_long *tl; | |
13576453 KM |
384 | int error = 0; |
385 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
d40530c6 KM |
386 | register struct vnode *vp = ap->a_vp; |
387 | register struct nfsnode *np = VTONFS(vp); | |
388 | register struct vattr *vap = ap->a_vap; | |
2c5b44a2 | 389 | u_quad_t frev; |
a2907882 KM |
390 | |
391 | nfsstats.rpccnt[NFSPROC_SETATTR]++; | |
d40530c6 KM |
392 | nfsm_reqhead(vp, NFSPROC_SETATTR, NFSX_FH+NFSX_SATTR); |
393 | nfsm_fhtom(vp); | |
9238aa59 | 394 | nfsm_build(sp, struct nfsv2_sattr *, NFSX_SATTR); |
d40530c6 | 395 | if (vap->va_mode == 0xffff) |
9238aa59 | 396 | sp->sa_mode = VNOVAL; |
a2907882 | 397 | else |
d40530c6 KM |
398 | sp->sa_mode = vtonfs_mode(vp->v_type, vap->va_mode); |
399 | if (vap->va_uid == 0xffff) | |
9238aa59 | 400 | sp->sa_uid = VNOVAL; |
a2907882 | 401 | else |
d40530c6 KM |
402 | sp->sa_uid = txdr_unsigned(vap->va_uid); |
403 | if (vap->va_gid == 0xffff) | |
9238aa59 | 404 | sp->sa_gid = VNOVAL; |
a2907882 | 405 | else |
d40530c6 KM |
406 | sp->sa_gid = txdr_unsigned(vap->va_gid); |
407 | sp->sa_size = txdr_unsigned(vap->va_size); | |
7e11a0c9 | 408 | sp->sa_atime.tv_sec = txdr_unsigned(vap->va_atime.ts_sec); |
d40530c6 KM |
409 | sp->sa_atime.tv_usec = txdr_unsigned(vap->va_flags); |
410 | txdr_time(&vap->va_mtime, &sp->sa_mtime); | |
7e11a0c9 KM |
411 | if (vap->va_size != VNOVAL || vap->va_mtime.ts_sec != VNOVAL || |
412 | vap->va_atime.ts_sec != VNOVAL) { | |
00b72154 | 413 | if (np->n_flag & NMODIFIED) { |
d40530c6 | 414 | if (vap->va_size == 0) |
575dc6d4 KM |
415 | error = |
416 | vinvalbuf(vp, FALSE, ap->a_cred, ap->a_p); | |
1c89915d | 417 | else |
575dc6d4 KM |
418 | error = |
419 | vinvalbuf(vp, TRUE, ap->a_cred, ap->a_p); | |
420 | np->n_flag &= ~NMODIFIED; | |
00b72154 KM |
421 | } |
422 | } | |
d40530c6 KM |
423 | nfsm_request(vp, NFSPROC_SETATTR, ap->a_p, ap->a_cred); |
424 | nfsm_loadattr(vp, (struct vattr *)0); | |
425 | if ((VFSTONFS(vp->v_mount)->nm_flag & NFSMNT_NQNFS) && | |
426 | NQNFS_CKCACHABLE(vp, NQL_WRITE)) { | |
2c5b44a2 KM |
427 | nfsm_dissect(tl, u_long *, 2*NFSX_UNSIGNED); |
428 | fxdr_hyper(tl, &frev); | |
575dc6d4 | 429 | if (frev > np->n_brev) |
2c5b44a2 KM |
430 | np->n_brev = frev; |
431 | } | |
a2907882 KM |
432 | nfsm_reqdone; |
433 | return (error); | |
434 | } | |
435 | ||
436 | /* | |
437 | * nfs lookup call, one step at a time... | |
438 | * First look in cache | |
439 | * If not found, unlock the directory nfsnode and do the rpc | |
440 | */ | |
cfef4373 | 441 | int |
d40530c6 | 442 | nfs_lookup(ap) |
575dc6d4 KM |
443 | struct vop_lookup_args /* { |
444 | struct vnodeop_desc *a_desc; | |
445 | struct vnode *a_dvp; | |
446 | struct vnode **a_vpp; | |
447 | struct componentname *a_cnp; | |
448 | } */ *ap; | |
a2907882 | 449 | { |
9342689a | 450 | USES_VOP_GETATTR; |
d40530c6 KM |
451 | register struct componentname *cnp = ap->a_cnp; |
452 | register struct vnode *dvp = ap->a_dvp; | |
a2907882 | 453 | register struct vnode *vdp; |
26cb2431 | 454 | register u_long *tl; |
13576453 KM |
455 | register caddr_t cp; |
456 | register long t1, t2; | |
2c5b44a2 KM |
457 | struct nfsmount *nmp; |
458 | struct nfsnode *tp; | |
13576453 | 459 | caddr_t bpos, dpos, cp2; |
2c5b44a2 | 460 | time_t reqtime; |
13576453 | 461 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; |
a2907882 KM |
462 | struct vnode *newvp; |
463 | long len; | |
464 | nfsv2fh_t *fhp; | |
465 | struct nfsnode *np; | |
cfef4373 | 466 | int lockparent, wantparent, error = 0; |
2c5b44a2 KM |
467 | int nqlflag, cachable; |
468 | u_quad_t frev; | |
a2907882 | 469 | |
e1b76915 | 470 | *ap->a_vpp = NULL; |
d40530c6 | 471 | if (dvp->v_type != VDIR) |
a2907882 | 472 | return (ENOTDIR); |
d40530c6 KM |
473 | lockparent = cnp->cn_flags & LOCKPARENT; |
474 | wantparent = cnp->cn_flags & (LOCKPARENT|WANTPARENT); | |
475 | nmp = VFSTONFS(dvp->v_mount); | |
476 | np = VTONFS(dvp); | |
477 | if ((error = cache_lookup(dvp, ap->a_vpp, cnp)) && error != ENOENT) { | |
9238aa59 RM |
478 | struct vattr vattr; |
479 | int vpid; | |
480 | ||
e1b76915 | 481 | vdp = *ap->a_vpp; |
9238aa59 | 482 | vpid = vdp->v_id; |
a2907882 | 483 | /* |
9238aa59 RM |
484 | * See the comment starting `Step through' in ufs/ufs_lookup.c |
485 | * for an explanation of the locking protocol | |
a2907882 | 486 | */ |
d40530c6 | 487 | if (dvp == vdp) { |
36c3043b | 488 | VREF(vdp); |
8a1675f3 | 489 | error = 0; |
2c5b44a2 | 490 | } else |
8a1675f3 | 491 | error = vget(vdp); |
8a1675f3 | 492 | if (!error) { |
8c379a26 | 493 | if (vpid == vdp->v_id) { |
2c5b44a2 | 494 | if (nmp->nm_flag & NFSMNT_NQNFS) { |
d40530c6 | 495 | if (NQNFS_CKCACHABLE(dvp, NQL_READ)) { |
575dc6d4 | 496 | if (np->n_lrev != np->n_brev || |
2c5b44a2 KM |
497 | (np->n_flag & NMODIFIED)) { |
498 | np->n_direofoffset = 0; | |
d40530c6 | 499 | cache_purge(dvp); |
575dc6d4 KM |
500 | error = vinvalbuf(dvp, FALSE, |
501 | cnp->cn_cred, cnp->cn_proc); | |
2c5b44a2 | 502 | np->n_flag &= ~NMODIFIED; |
2c5b44a2 KM |
503 | np->n_brev = np->n_lrev; |
504 | } else { | |
505 | nfsstats.lookupcache_hits++; | |
d40530c6 KM |
506 | if (cnp->cn_nameiop != LOOKUP && |
507 | (cnp->cn_flags&ISLASTCN)) | |
508 | cnp->cn_flags |= SAVENAME; | |
2c5b44a2 KM |
509 | return (0); |
510 | } | |
511 | } | |
d40530c6 | 512 | } else if (!VOP_GETATTR(vdp, &vattr, cnp->cn_cred, cnp->cn_proc) && |
7e11a0c9 | 513 | vattr.va_ctime.ts_sec == VTONFS(vdp)->n_ctime) { |
8a1675f3 | 514 | nfsstats.lookupcache_hits++; |
d40530c6 KM |
515 | if (cnp->cn_nameiop != LOOKUP && |
516 | (cnp->cn_flags&ISLASTCN)) | |
517 | cnp->cn_flags |= SAVENAME; | |
8a1675f3 | 518 | return (0); |
8c379a26 | 519 | } |
58055488 | 520 | cache_purge(vdp); |
8a1675f3 | 521 | } |
2c5b44a2 | 522 | vrele(vdp); |
9238aa59 | 523 | } |
e1b76915 | 524 | *ap->a_vpp = NULLVP; |
2c5b44a2 | 525 | } |
ffe6f482 | 526 | error = 0; |
a2907882 | 527 | nfsstats.lookupcache_misses++; |
a2907882 | 528 | nfsstats.rpccnt[NFSPROC_LOOKUP]++; |
d40530c6 KM |
529 | len = cnp->cn_namelen; |
530 | nfsm_reqhead(dvp, NFSPROC_LOOKUP, NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(len)); | |
2c5b44a2 KM |
531 | |
532 | /* | |
533 | * For nqnfs optionally piggyback a getlease request for the name | |
534 | * being looked up. | |
535 | */ | |
536 | if (nmp->nm_flag & NFSMNT_NQNFS) { | |
537 | if ((nmp->nm_flag & NFSMNT_NQLOOKLEASE) && | |
d40530c6 KM |
538 | ((cnp->cn_flags&MAKEENTRY) && |
539 | (cnp->cn_nameiop != DELETE || !(cnp->cn_flags&ISLASTCN)))) { | |
2c5b44a2 KM |
540 | nfsm_build(tl, u_long *, 2*NFSX_UNSIGNED); |
541 | *tl++ = txdr_unsigned(NQL_READ); | |
542 | *tl = txdr_unsigned(nmp->nm_leaseterm); | |
543 | } else { | |
544 | nfsm_build(tl, u_long *, NFSX_UNSIGNED); | |
545 | *tl = 0; | |
546 | } | |
547 | } | |
d40530c6 KM |
548 | nfsm_fhtom(dvp); |
549 | nfsm_strtom(cnp->cn_nameptr, len, NFS_MAXNAMLEN); | |
2c5b44a2 | 550 | reqtime = time.tv_sec; |
d40530c6 | 551 | nfsm_request(dvp, NFSPROC_LOOKUP, cnp->cn_proc, cnp->cn_cred); |
a2907882 KM |
552 | nfsmout: |
553 | if (error) { | |
d40530c6 KM |
554 | if ((cnp->cn_nameiop == CREATE || cnp->cn_nameiop == RENAME) && |
555 | (cnp->cn_flags & ISLASTCN) && error == ENOENT) | |
44c7c48c | 556 | error = EJUSTRETURN; |
d40530c6 KM |
557 | if (cnp->cn_nameiop != LOOKUP && (cnp->cn_flags&ISLASTCN)) |
558 | cnp->cn_flags |= SAVENAME; | |
b2f2eab2 | 559 | return (error); |
a2907882 | 560 | } |
2c5b44a2 KM |
561 | if (nmp->nm_flag & NFSMNT_NQNFS) { |
562 | nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); | |
563 | if (*tl) { | |
564 | nqlflag = fxdr_unsigned(int, *tl); | |
565 | nfsm_dissect(tl, u_long *, 4*NFSX_UNSIGNED); | |
566 | cachable = fxdr_unsigned(int, *tl++); | |
567 | reqtime += fxdr_unsigned(int, *tl++); | |
568 | fxdr_hyper(tl, &frev); | |
569 | } else | |
570 | nqlflag = 0; | |
571 | } | |
572 | nfsm_dissect(fhp, nfsv2fh_t *, NFSX_FH); | |
a2907882 KM |
573 | |
574 | /* | |
2c5b44a2 | 575 | * Handle RENAME case... |
a2907882 | 576 | */ |
d40530c6 | 577 | if (cnp->cn_nameiop == RENAME && wantparent && (cnp->cn_flags&ISLASTCN)) { |
2c5b44a2 | 578 | if (!bcmp(np->n_fh.fh_bytes, (caddr_t)fhp, NFSX_FH)) { |
a2907882 KM |
579 | m_freem(mrep); |
580 | return (EISDIR); | |
581 | } | |
d40530c6 | 582 | if (error = nfs_nget(dvp->v_mount, fhp, &np)) { |
a2907882 KM |
583 | m_freem(mrep); |
584 | return (error); | |
585 | } | |
586 | newvp = NFSTOV(np); | |
f67785e5 KM |
587 | if (error = |
588 | nfs_loadattrcache(&newvp, &md, &dpos, (struct vattr *)0)) { | |
2c5b44a2 | 589 | vrele(newvp); |
a2907882 KM |
590 | m_freem(mrep); |
591 | return (error); | |
592 | } | |
e1b76915 | 593 | *ap->a_vpp = newvp; |
f5dffb64 | 594 | m_freem(mrep); |
d40530c6 | 595 | cnp->cn_flags |= SAVENAME; |
a2907882 KM |
596 | return (0); |
597 | } | |
598 | ||
2c5b44a2 | 599 | if (!bcmp(np->n_fh.fh_bytes, (caddr_t)fhp, NFSX_FH)) { |
d40530c6 KM |
600 | VREF(dvp); |
601 | newvp = dvp; | |
a2907882 | 602 | } else { |
d40530c6 | 603 | if (error = nfs_nget(dvp->v_mount, fhp, &np)) { |
a2907882 KM |
604 | m_freem(mrep); |
605 | return (error); | |
606 | } | |
607 | newvp = NFSTOV(np); | |
608 | } | |
f67785e5 | 609 | if (error = nfs_loadattrcache(&newvp, &md, &dpos, (struct vattr *)0)) { |
2c5b44a2 | 610 | vrele(newvp); |
a2907882 KM |
611 | m_freem(mrep); |
612 | return (error); | |
613 | } | |
614 | m_freem(mrep); | |
e1b76915 | 615 | *ap->a_vpp = newvp; |
d40530c6 KM |
616 | if (cnp->cn_nameiop != LOOKUP && (cnp->cn_flags&ISLASTCN)) |
617 | cnp->cn_flags |= SAVENAME; | |
618 | if ((cnp->cn_flags&MAKEENTRY) && | |
619 | (cnp->cn_nameiop != DELETE || !(cnp->cn_flags&ISLASTCN))) { | |
2c5b44a2 | 620 | if ((nmp->nm_flag & NFSMNT_NQNFS) == 0) |
7e11a0c9 | 621 | np->n_ctime = np->n_vattr.va_ctime.ts_sec; |
2c5b44a2 KM |
622 | else if (nqlflag && reqtime > time.tv_sec) { |
623 | if (np->n_tnext) { | |
624 | if (np->n_tnext == (struct nfsnode *)nmp) | |
625 | nmp->nm_tprev = np->n_tprev; | |
626 | else | |
627 | np->n_tnext->n_tprev = np->n_tprev; | |
628 | if (np->n_tprev == (struct nfsnode *)nmp) | |
629 | nmp->nm_tnext = np->n_tnext; | |
630 | else | |
631 | np->n_tprev->n_tnext = np->n_tnext; | |
632 | if (nqlflag == NQL_WRITE) | |
633 | np->n_flag |= NQNFSWRITE; | |
634 | } else if (nqlflag == NQL_READ) | |
635 | np->n_flag &= ~NQNFSWRITE; | |
636 | else | |
637 | np->n_flag |= NQNFSWRITE; | |
638 | if (cachable) | |
639 | np->n_flag &= ~NQNFSNONCACHE; | |
640 | else | |
641 | np->n_flag |= NQNFSNONCACHE; | |
642 | np->n_expiry = reqtime; | |
643 | np->n_lrev = frev; | |
644 | tp = nmp->nm_tprev; | |
645 | while (tp != (struct nfsnode *)nmp && tp->n_expiry > np->n_expiry) | |
646 | tp = tp->n_tprev; | |
647 | if (tp == (struct nfsnode *)nmp) { | |
648 | np->n_tnext = nmp->nm_tnext; | |
649 | nmp->nm_tnext = np; | |
650 | } else { | |
651 | np->n_tnext = tp->n_tnext; | |
652 | tp->n_tnext = np; | |
653 | } | |
654 | np->n_tprev = tp; | |
655 | if (np->n_tnext == (struct nfsnode *)nmp) | |
656 | nmp->nm_tprev = np; | |
657 | else | |
658 | np->n_tnext->n_tprev = np; | |
659 | } | |
d40530c6 | 660 | cache_enter(dvp, *ap->a_vpp, cnp); |
8c379a26 | 661 | } |
2c5b44a2 | 662 | return (0); |
a2907882 KM |
663 | } |
664 | ||
f0f1cbaa KM |
665 | /* |
666 | * nfs read call. | |
667 | * Just call nfs_bioread() to do the work. | |
668 | */ | |
cfef4373 | 669 | int |
d40530c6 | 670 | nfs_read(ap) |
9342689a | 671 | struct vop_read_args *ap; |
f0f1cbaa | 672 | { |
d40530c6 KM |
673 | register struct vnode *vp = ap->a_vp; |
674 | ||
675 | if (vp->v_type != VREG) | |
f0f1cbaa | 676 | return (EPERM); |
d40530c6 | 677 | return (nfs_bioread(vp, ap->a_uio, ap->a_ioflag, ap->a_cred)); |
f0f1cbaa KM |
678 | } |
679 | ||
a2907882 KM |
680 | /* |
681 | * nfs readlink call | |
682 | */ | |
cfef4373 | 683 | int |
d40530c6 | 684 | nfs_readlink(ap) |
9342689a | 685 | struct vop_readlink_args *ap; |
f0f1cbaa | 686 | { |
d40530c6 KM |
687 | register struct vnode *vp = ap->a_vp; |
688 | ||
689 | if (vp->v_type != VLNK) | |
f0f1cbaa | 690 | return (EPERM); |
d40530c6 | 691 | return (nfs_bioread(vp, ap->a_uio, 0, ap->a_cred)); |
f0f1cbaa KM |
692 | } |
693 | ||
694 | /* | |
695 | * Do a readlink rpc. | |
696 | * Called by nfs_doio() from below the buffer cache. | |
697 | */ | |
cfef4373 | 698 | int |
26cb2431 | 699 | nfs_readlinkrpc(vp, uiop, cred) |
13576453 | 700 | register struct vnode *vp; |
a2907882 KM |
701 | struct uio *uiop; |
702 | struct ucred *cred; | |
703 | { | |
26cb2431 | 704 | register u_long *tl; |
13576453 KM |
705 | register caddr_t cp; |
706 | register long t1; | |
707 | caddr_t bpos, dpos, cp2; | |
13576453 KM |
708 | int error = 0; |
709 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 KM |
710 | long len; |
711 | ||
712 | nfsstats.rpccnt[NFSPROC_READLINK]++; | |
2c5b44a2 | 713 | nfsm_reqhead(vp, NFSPROC_READLINK, NFSX_FH); |
a2907882 | 714 | nfsm_fhtom(vp); |
2c5b44a2 | 715 | nfsm_request(vp, NFSPROC_READLINK, uiop->uio_procp, cred); |
a2907882 KM |
716 | nfsm_strsiz(len, NFS_MAXPATHLEN); |
717 | nfsm_mtouio(uiop, len); | |
718 | nfsm_reqdone; | |
719 | return (error); | |
720 | } | |
721 | ||
722 | /* | |
f0f1cbaa KM |
723 | * nfs read rpc call |
724 | * Ditto above | |
a2907882 | 725 | */ |
cfef4373 | 726 | int |
26cb2431 | 727 | nfs_readrpc(vp, uiop, cred) |
13576453 | 728 | register struct vnode *vp; |
a2907882 | 729 | struct uio *uiop; |
a2907882 KM |
730 | struct ucred *cred; |
731 | { | |
26cb2431 | 732 | register u_long *tl; |
13576453 KM |
733 | register caddr_t cp; |
734 | register long t1; | |
735 | caddr_t bpos, dpos, cp2; | |
13576453 KM |
736 | int error = 0; |
737 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 KM |
738 | struct nfsmount *nmp; |
739 | long len, retlen, tsiz; | |
740 | ||
54fb9dc2 | 741 | nmp = VFSTONFS(vp->v_mount); |
a2907882 | 742 | tsiz = uiop->uio_resid; |
a2907882 KM |
743 | while (tsiz > 0) { |
744 | nfsstats.rpccnt[NFSPROC_READ]++; | |
745 | len = (tsiz > nmp->nm_rsize) ? nmp->nm_rsize : tsiz; | |
2c5b44a2 | 746 | nfsm_reqhead(vp, NFSPROC_READ, NFSX_FH+NFSX_UNSIGNED*3); |
a2907882 | 747 | nfsm_fhtom(vp); |
26cb2431 KM |
748 | nfsm_build(tl, u_long *, NFSX_UNSIGNED*3); |
749 | *tl++ = txdr_unsigned(uiop->uio_offset); | |
750 | *tl++ = txdr_unsigned(len); | |
751 | *tl = 0; | |
2c5b44a2 | 752 | nfsm_request(vp, NFSPROC_READ, uiop->uio_procp, cred); |
a2907882 KM |
753 | nfsm_loadattr(vp, (struct vattr *)0); |
754 | nfsm_strsiz(retlen, nmp->nm_rsize); | |
755 | nfsm_mtouio(uiop, retlen); | |
756 | m_freem(mrep); | |
a2907882 KM |
757 | if (retlen < len) |
758 | tsiz = 0; | |
759 | else | |
760 | tsiz -= len; | |
761 | } | |
762 | nfsmout: | |
a2907882 KM |
763 | return (error); |
764 | } | |
765 | ||
766 | /* | |
767 | * nfs write call | |
768 | */ | |
cfef4373 | 769 | int |
26cb2431 | 770 | nfs_writerpc(vp, uiop, cred) |
13576453 | 771 | register struct vnode *vp; |
a2907882 | 772 | struct uio *uiop; |
a2907882 KM |
773 | struct ucred *cred; |
774 | { | |
26cb2431 | 775 | register u_long *tl; |
13576453 KM |
776 | register caddr_t cp; |
777 | register long t1; | |
2c5b44a2 | 778 | caddr_t bpos, dpos, cp2; |
13576453 KM |
779 | int error = 0; |
780 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 | 781 | struct nfsmount *nmp; |
2c5b44a2 KM |
782 | struct nfsnode *np = VTONFS(vp); |
783 | u_quad_t frev; | |
a2907882 | 784 | long len, tsiz; |
a2907882 | 785 | |
54fb9dc2 | 786 | nmp = VFSTONFS(vp->v_mount); |
a2907882 | 787 | tsiz = uiop->uio_resid; |
a2907882 KM |
788 | while (tsiz > 0) { |
789 | nfsstats.rpccnt[NFSPROC_WRITE]++; | |
790 | len = (tsiz > nmp->nm_wsize) ? nmp->nm_wsize : tsiz; | |
2c5b44a2 KM |
791 | nfsm_reqhead(vp, NFSPROC_WRITE, |
792 | NFSX_FH+NFSX_UNSIGNED*4+nfsm_rndup(len)); | |
a2907882 | 793 | nfsm_fhtom(vp); |
26cb2431 KM |
794 | nfsm_build(tl, u_long *, NFSX_UNSIGNED*4); |
795 | *(tl+1) = txdr_unsigned(uiop->uio_offset); | |
796 | *(tl+3) = txdr_unsigned(len); | |
a2907882 | 797 | nfsm_uiotom(uiop, len); |
2c5b44a2 | 798 | nfsm_request(vp, NFSPROC_WRITE, uiop->uio_procp, cred); |
a2907882 | 799 | nfsm_loadattr(vp, (struct vattr *)0); |
2c5b44a2 | 800 | if (nmp->nm_flag & NFSMNT_MYWRITE) |
7e11a0c9 | 801 | VTONFS(vp)->n_mtime = VTONFS(vp)->n_vattr.va_mtime.ts_sec; |
2c5b44a2 KM |
802 | else if ((nmp->nm_flag & NFSMNT_NQNFS) && |
803 | NQNFS_CKCACHABLE(vp, NQL_WRITE)) { | |
804 | nfsm_dissect(tl, u_long *, 2*NFSX_UNSIGNED); | |
805 | fxdr_hyper(tl, &frev); | |
575dc6d4 | 806 | if (frev > np->n_brev) |
2c5b44a2 KM |
807 | np->n_brev = frev; |
808 | } | |
a2907882 KM |
809 | m_freem(mrep); |
810 | tsiz -= len; | |
a2907882 KM |
811 | } |
812 | nfsmout: | |
2c5b44a2 KM |
813 | if (error) |
814 | uiop->uio_resid = tsiz; | |
a2907882 KM |
815 | return (error); |
816 | } | |
817 | ||
f67785e5 KM |
818 | /* |
819 | * nfs mknod call | |
7c15c5df KM |
820 | * This is a kludge. Use a create rpc but with the IFMT bits of the mode |
821 | * set to specify the file type and the size field for rdev. | |
f67785e5 KM |
822 | */ |
823 | /* ARGSUSED */ | |
cfef4373 | 824 | int |
d40530c6 | 825 | nfs_mknod(ap) |
9342689a | 826 | struct vop_mknod_args *ap; |
f67785e5 | 827 | { |
9342689a | 828 | USES_VOP_ABORTOP; |
d40530c6 KM |
829 | register struct vnode *dvp = ap->a_dvp; |
830 | register struct vattr *vap = ap->a_vap; | |
831 | register struct componentname *cnp = ap->a_cnp; | |
7c15c5df | 832 | register struct nfsv2_sattr *sp; |
26cb2431 | 833 | register u_long *tl; |
7c15c5df | 834 | register caddr_t cp; |
2c5b44a2 | 835 | register long t2; |
7c15c5df | 836 | caddr_t bpos, dpos; |
7c15c5df KM |
837 | int error = 0; |
838 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
839 | u_long rdev; | |
f67785e5 | 840 | |
d40530c6 KM |
841 | if (vap->va_type == VCHR || vap->va_type == VBLK) |
842 | rdev = txdr_unsigned(vap->va_rdev); | |
7c15c5df | 843 | #ifdef FIFO |
d40530c6 | 844 | else if (vap->va_type == VFIFO) |
7c15c5df KM |
845 | rdev = 0xffffffff; |
846 | #endif /* FIFO */ | |
847 | else { | |
d40530c6 KM |
848 | VOP_ABORTOP(dvp, cnp); |
849 | vput(dvp); | |
7c15c5df KM |
850 | return (EOPNOTSUPP); |
851 | } | |
852 | nfsstats.rpccnt[NFSPROC_CREATE]++; | |
d40530c6 KM |
853 | nfsm_reqhead(dvp, NFSPROC_CREATE, |
854 | NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(cnp->cn_namelen)+NFSX_SATTR); | |
855 | nfsm_fhtom(dvp); | |
856 | nfsm_strtom(cnp->cn_nameptr, cnp->cn_namelen, NFS_MAXNAMLEN); | |
7c15c5df | 857 | nfsm_build(sp, struct nfsv2_sattr *, NFSX_SATTR); |
d40530c6 KM |
858 | sp->sa_mode = vtonfs_mode(vap->va_type, vap->va_mode); |
859 | sp->sa_uid = txdr_unsigned(cnp->cn_cred->cr_uid); | |
860 | sp->sa_gid = txdr_unsigned(cnp->cn_cred->cr_gid); | |
7c15c5df KM |
861 | sp->sa_size = rdev; |
862 | /* or should these be VNOVAL ?? */ | |
d40530c6 KM |
863 | txdr_time(&vap->va_atime, &sp->sa_atime); |
864 | txdr_time(&vap->va_mtime, &sp->sa_mtime); | |
865 | nfsm_request(dvp, NFSPROC_CREATE, cnp->cn_proc, cnp->cn_cred); | |
7c15c5df | 866 | nfsm_reqdone; |
d40530c6 KM |
867 | FREE(cnp->cn_pnbuf, M_NAMEI); |
868 | VTONFS(dvp)->n_flag |= NMODIFIED; | |
869 | vrele(dvp); | |
7c15c5df | 870 | return (error); |
f67785e5 KM |
871 | } |
872 | ||
a2907882 KM |
873 | /* |
874 | * nfs file create call | |
875 | */ | |
cfef4373 | 876 | int |
d40530c6 | 877 | nfs_create(ap) |
9342689a | 878 | struct vop_create_args *ap; |
a2907882 | 879 | { |
d40530c6 KM |
880 | register struct vnode *dvp = ap->a_dvp; |
881 | register struct vattr *vap = ap->a_vap; | |
882 | register struct componentname *cnp = ap->a_cnp; | |
9238aa59 | 883 | register struct nfsv2_sattr *sp; |
26cb2431 | 884 | register u_long *tl; |
13576453 KM |
885 | register caddr_t cp; |
886 | register long t1, t2; | |
887 | caddr_t bpos, dpos, cp2; | |
13576453 KM |
888 | int error = 0; |
889 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 KM |
890 | |
891 | nfsstats.rpccnt[NFSPROC_CREATE]++; | |
d40530c6 KM |
892 | nfsm_reqhead(dvp, NFSPROC_CREATE, |
893 | NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(cnp->cn_namelen)+NFSX_SATTR); | |
894 | nfsm_fhtom(dvp); | |
895 | nfsm_strtom(cnp->cn_nameptr, cnp->cn_namelen, NFS_MAXNAMLEN); | |
9238aa59 | 896 | nfsm_build(sp, struct nfsv2_sattr *, NFSX_SATTR); |
d40530c6 KM |
897 | sp->sa_mode = vtonfs_mode(vap->va_type, vap->va_mode); |
898 | sp->sa_uid = txdr_unsigned(cnp->cn_cred->cr_uid); | |
899 | sp->sa_gid = txdr_unsigned(cnp->cn_cred->cr_gid); | |
9238aa59 | 900 | sp->sa_size = txdr_unsigned(0); |
a2907882 | 901 | /* or should these be VNOVAL ?? */ |
d40530c6 KM |
902 | txdr_time(&vap->va_atime, &sp->sa_atime); |
903 | txdr_time(&vap->va_mtime, &sp->sa_mtime); | |
904 | nfsm_request(dvp, NFSPROC_CREATE, cnp->cn_proc, cnp->cn_cred); | |
905 | nfsm_mtofh(dvp, *ap->a_vpp); | |
a2907882 | 906 | nfsm_reqdone; |
d40530c6 KM |
907 | FREE(cnp->cn_pnbuf, M_NAMEI); |
908 | VTONFS(dvp)->n_flag |= NMODIFIED; | |
909 | vrele(dvp); | |
a2907882 KM |
910 | return (error); |
911 | } | |
912 | ||
913 | /* | |
914 | * nfs file remove call | |
f0f1cbaa KM |
915 | * To try and make nfs semantics closer to ufs semantics, a file that has |
916 | * other processes using the vnode is renamed instead of removed and then | |
ffe6f482 | 917 | * removed later on the last close. |
f0f1cbaa | 918 | * - If v_usecount > 1 |
ffe6f482 KM |
919 | * If a rename is not already in the works |
920 | * call nfs_sillyrename() to set it up | |
921 | * else | |
922 | * do the remove rpc | |
a2907882 | 923 | */ |
cfef4373 | 924 | int |
d40530c6 | 925 | nfs_remove(ap) |
575dc6d4 KM |
926 | struct vop_remove_args /* { |
927 | struct vnodeop_desc *a_desc; | |
928 | struct vnode * a_dvp; | |
929 | struct vnode * a_vp; | |
930 | struct componentname * a_cnp; | |
931 | } */ *ap; | |
a2907882 | 932 | { |
d40530c6 KM |
933 | register struct vnode *vp = ap->a_vp; |
934 | register struct vnode *dvp = ap->a_dvp; | |
935 | register struct componentname *cnp = ap->a_cnp; | |
936 | register struct nfsnode *np = VTONFS(vp); | |
26cb2431 | 937 | register u_long *tl; |
13576453 | 938 | register caddr_t cp; |
2c5b44a2 | 939 | register long t2; |
13576453 | 940 | caddr_t bpos, dpos; |
13576453 KM |
941 | int error = 0; |
942 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 | 943 | |
d40530c6 | 944 | if (vp->v_usecount > 1) { |
ffe6f482 | 945 | if (!np->n_sillyrename) |
d40530c6 | 946 | error = nfs_sillyrename(dvp, vp, cnp); |
ffe6f482 | 947 | } else { |
2c5b44a2 KM |
948 | /* |
949 | * Purge the name cache so that the chance of a lookup for | |
950 | * the name succeeding while the remove is in progress is | |
951 | * minimized. Without node locking it can still happen, such | |
952 | * that an I/O op returns ESTALE, but since you get this if | |
953 | * another host removes the file.. | |
954 | */ | |
d40530c6 | 955 | cache_purge(vp); |
2c5b44a2 KM |
956 | /* |
957 | * Throw away biocache buffers. Mainly to avoid | |
958 | * unnecessary delayed writes. | |
959 | */ | |
575dc6d4 | 960 | error = vinvalbuf(vp, FALSE, cnp->cn_cred, cnp->cn_proc); |
2c5b44a2 | 961 | /* Do the rpc */ |
a2907882 | 962 | nfsstats.rpccnt[NFSPROC_REMOVE]++; |
d40530c6 KM |
963 | nfsm_reqhead(dvp, NFSPROC_REMOVE, |
964 | NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(cnp->cn_namelen)); | |
965 | nfsm_fhtom(dvp); | |
966 | nfsm_strtom(cnp->cn_nameptr, cnp->cn_namelen, NFS_MAXNAMLEN); | |
967 | nfsm_request(dvp, NFSPROC_REMOVE, cnp->cn_proc, cnp->cn_cred); | |
a2907882 | 968 | nfsm_reqdone; |
d40530c6 KM |
969 | FREE(cnp->cn_pnbuf, M_NAMEI); |
970 | VTONFS(dvp)->n_flag |= NMODIFIED; | |
e8540f59 KM |
971 | /* |
972 | * Kludge City: If the first reply to the remove rpc is lost.. | |
973 | * the reply to the retransmitted request will be ENOENT | |
974 | * since the file was in fact removed | |
975 | * Therefore, we cheat and return success. | |
976 | */ | |
977 | if (error == ENOENT) | |
978 | error = 0; | |
a2907882 | 979 | } |
86dea069 | 980 | np->n_attrstamp = 0; |
d40530c6 KM |
981 | vrele(dvp); |
982 | vrele(vp); | |
a2907882 KM |
983 | return (error); |
984 | } | |
985 | ||
986 | /* | |
987 | * nfs file remove rpc called from nfs_inactive | |
988 | */ | |
cfef4373 | 989 | int |
575dc6d4 | 990 | nfs_removeit(sp) |
a9b4ecb2 | 991 | register struct sillyrename *sp; |
a2907882 | 992 | { |
26cb2431 | 993 | register u_long *tl; |
13576453 | 994 | register caddr_t cp; |
2c5b44a2 | 995 | register long t2; |
13576453 | 996 | caddr_t bpos, dpos; |
13576453 KM |
997 | int error = 0; |
998 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 KM |
999 | |
1000 | nfsstats.rpccnt[NFSPROC_REMOVE]++; | |
2c5b44a2 | 1001 | nfsm_reqhead(sp->s_dvp, NFSPROC_REMOVE, |
a9b4ecb2 KM |
1002 | NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(sp->s_namlen)); |
1003 | nfsm_fhtom(sp->s_dvp); | |
1004 | nfsm_strtom(sp->s_name, sp->s_namlen, NFS_MAXNAMLEN); | |
575dc6d4 | 1005 | nfsm_request(sp->s_dvp, NFSPROC_REMOVE, NULL, sp->s_cred); |
a2907882 | 1006 | nfsm_reqdone; |
a9b4ecb2 | 1007 | VTONFS(sp->s_dvp)->n_flag |= NMODIFIED; |
a2907882 KM |
1008 | return (error); |
1009 | } | |
1010 | ||
1011 | /* | |
1012 | * nfs file rename call | |
1013 | */ | |
cfef4373 | 1014 | int |
d40530c6 | 1015 | nfs_rename(ap) |
9342689a | 1016 | struct vop_rename_args *ap; |
a2907882 | 1017 | { |
d40530c6 KM |
1018 | register struct vnode *fvp = ap->a_fvp; |
1019 | register struct vnode *tvp = ap->a_tvp; | |
1020 | register struct vnode *fdvp = ap->a_fdvp; | |
1021 | register struct vnode *tdvp = ap->a_tdvp; | |
1022 | register struct componentname *tcnp = ap->a_tcnp; | |
1023 | register struct componentname *fcnp = ap->a_fcnp; | |
26cb2431 | 1024 | register u_long *tl; |
13576453 | 1025 | register caddr_t cp; |
2c5b44a2 | 1026 | register long t2; |
13576453 | 1027 | caddr_t bpos, dpos; |
13576453 KM |
1028 | int error = 0; |
1029 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 | 1030 | |
73e2cfb7 | 1031 | /* Check for cross-device rename */ |
d40530c6 KM |
1032 | if ((fvp->v_mount != tdvp->v_mount) || |
1033 | (tvp && (fvp->v_mount != tvp->v_mount))) { | |
73e2cfb7 JSP |
1034 | error = EXDEV; |
1035 | goto out; | |
1036 | } | |
1037 | ||
1038 | ||
a2907882 | 1039 | nfsstats.rpccnt[NFSPROC_RENAME]++; |
d40530c6 KM |
1040 | nfsm_reqhead(fdvp, NFSPROC_RENAME, |
1041 | (NFSX_FH+NFSX_UNSIGNED)*2+nfsm_rndup(fcnp->cn_namelen)+ | |
1042 | nfsm_rndup(fcnp->cn_namelen)); /* or fcnp->cn_cred?*/ | |
1043 | nfsm_fhtom(fdvp); | |
1044 | nfsm_strtom(fcnp->cn_nameptr, fcnp->cn_namelen, NFS_MAXNAMLEN); | |
1045 | nfsm_fhtom(tdvp); | |
1046 | nfsm_strtom(tcnp->cn_nameptr, tcnp->cn_namelen, NFS_MAXNAMLEN); | |
1047 | nfsm_request(fdvp, NFSPROC_RENAME, tcnp->cn_proc, tcnp->cn_cred); | |
a2907882 | 1048 | nfsm_reqdone; |
d40530c6 KM |
1049 | VTONFS(fdvp)->n_flag |= NMODIFIED; |
1050 | VTONFS(tdvp)->n_flag |= NMODIFIED; | |
1051 | if (fvp->v_type == VDIR) { | |
1052 | if (tvp != NULL && tvp->v_type == VDIR) | |
1053 | cache_purge(tdvp); | |
1054 | cache_purge(fdvp); | |
a2907882 | 1055 | } |
73e2cfb7 | 1056 | out: |
d40530c6 KM |
1057 | if (tdvp == tvp) |
1058 | vrele(tdvp); | |
639383fa | 1059 | else |
d40530c6 KM |
1060 | vput(tdvp); |
1061 | if (tvp) | |
1062 | vput(tvp); | |
1063 | vrele(fdvp); | |
1064 | vrele(fvp); | |
f5f6c13e KM |
1065 | /* |
1066 | * Kludge: Map ENOENT => 0 assuming that it is a reply to a retry. | |
1067 | */ | |
1068 | if (error == ENOENT) | |
1069 | error = 0; | |
a2907882 KM |
1070 | return (error); |
1071 | } | |
1072 | ||
1073 | /* | |
f0f1cbaa | 1074 | * nfs file rename rpc called from nfs_remove() above |
a2907882 | 1075 | */ |
cfef4373 JH |
1076 | int |
1077 | nfs_renameit(sdvp, scnp, sp) | |
1078 | struct vnode *sdvp; | |
1079 | struct componentname *scnp; | |
a9b4ecb2 | 1080 | register struct sillyrename *sp; |
a2907882 | 1081 | { |
26cb2431 | 1082 | register u_long *tl; |
13576453 | 1083 | register caddr_t cp; |
2c5b44a2 | 1084 | register long t2; |
13576453 | 1085 | caddr_t bpos, dpos; |
13576453 KM |
1086 | int error = 0; |
1087 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 KM |
1088 | |
1089 | nfsstats.rpccnt[NFSPROC_RENAME]++; | |
cfef4373 JH |
1090 | nfsm_reqhead(sdvp, NFSPROC_RENAME, |
1091 | (NFSX_FH+NFSX_UNSIGNED)*2+nfsm_rndup(scnp->cn_namelen)+ | |
2c5b44a2 | 1092 | nfsm_rndup(sp->s_namlen)); |
cfef4373 JH |
1093 | nfsm_fhtom(sdvp); |
1094 | nfsm_strtom(scnp->cn_nameptr, scnp->cn_namelen, NFS_MAXNAMLEN); | |
1095 | nfsm_fhtom(sdvp); | |
a9b4ecb2 | 1096 | nfsm_strtom(sp->s_name, sp->s_namlen, NFS_MAXNAMLEN); |
cfef4373 | 1097 | nfsm_request(sdvp, NFSPROC_RENAME, scnp->cn_proc, scnp->cn_cred); |
a2907882 | 1098 | nfsm_reqdone; |
cfef4373 JH |
1099 | FREE(scnp->cn_pnbuf, M_NAMEI); |
1100 | VTONFS(sdvp)->n_flag |= NMODIFIED; | |
a2907882 KM |
1101 | return (error); |
1102 | } | |
1103 | ||
1104 | /* | |
1105 | * nfs hard link create call | |
1106 | */ | |
cfef4373 | 1107 | int |
d40530c6 | 1108 | nfs_link(ap) |
9342689a | 1109 | struct vop_link_args *ap; |
a2907882 | 1110 | { |
d40530c6 KM |
1111 | register struct vnode *vp = ap->a_vp; |
1112 | register struct vnode *tdvp = ap->a_tdvp; | |
1113 | register struct componentname *cnp = ap->a_cnp; | |
26cb2431 | 1114 | register u_long *tl; |
13576453 | 1115 | register caddr_t cp; |
2c5b44a2 | 1116 | register long t2; |
13576453 | 1117 | caddr_t bpos, dpos; |
13576453 KM |
1118 | int error = 0; |
1119 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 | 1120 | |
d40530c6 KM |
1121 | if (vp->v_mount != tdvp->v_mount) { |
1122 | /*VOP_ABORTOP(vp, cnp);*/ | |
1123 | if (tdvp == vp) | |
1124 | vrele(vp); | |
73e2cfb7 | 1125 | else |
d40530c6 | 1126 | vput(vp); |
73e2cfb7 JSP |
1127 | return (EXDEV); |
1128 | } | |
1129 | ||
a2907882 | 1130 | nfsstats.rpccnt[NFSPROC_LINK]++; |
d40530c6 KM |
1131 | nfsm_reqhead(tdvp, NFSPROC_LINK, |
1132 | NFSX_FH*2+NFSX_UNSIGNED+nfsm_rndup(cnp->cn_namelen)); | |
1133 | nfsm_fhtom(tdvp); | |
1134 | nfsm_fhtom(vp); | |
1135 | nfsm_strtom(cnp->cn_nameptr, cnp->cn_namelen, NFS_MAXNAMLEN); | |
1136 | nfsm_request(tdvp, NFSPROC_LINK, cnp->cn_proc, cnp->cn_cred); | |
a2907882 | 1137 | nfsm_reqdone; |
d40530c6 KM |
1138 | FREE(cnp->cn_pnbuf, M_NAMEI); |
1139 | VTONFS(tdvp)->n_attrstamp = 0; | |
1140 | VTONFS(vp)->n_flag |= NMODIFIED; | |
1141 | vrele(vp); | |
f5f6c13e KM |
1142 | /* |
1143 | * Kludge: Map EEXIST => 0 assuming that it is a reply to a retry. | |
1144 | */ | |
1145 | if (error == EEXIST) | |
1146 | error = 0; | |
a2907882 KM |
1147 | return (error); |
1148 | } | |
1149 | ||
1150 | /* | |
1151 | * nfs symbolic link create call | |
1152 | */ | |
cfef4373 JH |
1153 | /* start here */ |
1154 | int | |
d40530c6 | 1155 | nfs_symlink(ap) |
9342689a | 1156 | struct vop_symlink_args *ap; |
a2907882 | 1157 | { |
d40530c6 KM |
1158 | register struct vnode *dvp = ap->a_dvp; |
1159 | register struct vattr *vap = ap->a_vap; | |
1160 | register struct componentname *cnp = ap->a_cnp; | |
9238aa59 | 1161 | register struct nfsv2_sattr *sp; |
26cb2431 | 1162 | register u_long *tl; |
13576453 | 1163 | register caddr_t cp; |
2c5b44a2 | 1164 | register long t2; |
13576453 | 1165 | caddr_t bpos, dpos; |
2c5b44a2 | 1166 | int slen, error = 0; |
13576453 | 1167 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; |
a2907882 KM |
1168 | |
1169 | nfsstats.rpccnt[NFSPROC_SYMLINK]++; | |
e1b76915 | 1170 | slen = strlen(ap->a_target); |
d40530c6 KM |
1171 | nfsm_reqhead(dvp, NFSPROC_SYMLINK, NFSX_FH+2*NFSX_UNSIGNED+ |
1172 | nfsm_rndup(cnp->cn_namelen)+nfsm_rndup(slen)+NFSX_SATTR); | |
1173 | nfsm_fhtom(dvp); | |
1174 | nfsm_strtom(cnp->cn_nameptr, cnp->cn_namelen, NFS_MAXNAMLEN); | |
e1b76915 | 1175 | nfsm_strtom(ap->a_target, slen, NFS_MAXPATHLEN); |
9238aa59 | 1176 | nfsm_build(sp, struct nfsv2_sattr *, NFSX_SATTR); |
d40530c6 KM |
1177 | sp->sa_mode = vtonfs_mode(VLNK, vap->va_mode); |
1178 | sp->sa_uid = txdr_unsigned(cnp->cn_cred->cr_uid); | |
1179 | sp->sa_gid = txdr_unsigned(cnp->cn_cred->cr_gid); | |
9238aa59 | 1180 | sp->sa_size = txdr_unsigned(VNOVAL); |
d40530c6 KM |
1181 | txdr_time(&vap->va_atime, &sp->sa_atime); /* or VNOVAL ?? */ |
1182 | txdr_time(&vap->va_mtime, &sp->sa_mtime); /* or VNOVAL ?? */ | |
1183 | nfsm_request(dvp, NFSPROC_SYMLINK, cnp->cn_proc, cnp->cn_cred); | |
a2907882 | 1184 | nfsm_reqdone; |
d40530c6 KM |
1185 | FREE(cnp->cn_pnbuf, M_NAMEI); |
1186 | VTONFS(dvp)->n_flag |= NMODIFIED; | |
1187 | vrele(dvp); | |
f5f6c13e KM |
1188 | /* |
1189 | * Kludge: Map EEXIST => 0 assuming that it is a reply to a retry. | |
1190 | */ | |
1191 | if (error == EEXIST) | |
1192 | error = 0; | |
a2907882 KM |
1193 | return (error); |
1194 | } | |
1195 | ||
1196 | /* | |
1197 | * nfs make dir call | |
1198 | */ | |
cfef4373 | 1199 | int |
d40530c6 | 1200 | nfs_mkdir(ap) |
9342689a | 1201 | struct vop_mkdir_args *ap; |
a2907882 | 1202 | { |
d40530c6 KM |
1203 | register struct vnode *dvp = ap->a_dvp; |
1204 | register struct vattr *vap = ap->a_vap; | |
1205 | register struct componentname *cnp = ap->a_cnp; | |
9238aa59 | 1206 | register struct nfsv2_sattr *sp; |
26cb2431 | 1207 | register u_long *tl; |
13576453 KM |
1208 | register caddr_t cp; |
1209 | register long t1, t2; | |
f0f1cbaa | 1210 | register int len; |
13576453 | 1211 | caddr_t bpos, dpos, cp2; |
f0f1cbaa | 1212 | int error = 0, firsttry = 1; |
13576453 | 1213 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; |
a2907882 | 1214 | |
d40530c6 | 1215 | len = cnp->cn_namelen; |
a2907882 | 1216 | nfsstats.rpccnt[NFSPROC_MKDIR]++; |
d40530c6 | 1217 | nfsm_reqhead(dvp, NFSPROC_MKDIR, |
f0f1cbaa | 1218 | NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(len)+NFSX_SATTR); |
d40530c6 KM |
1219 | nfsm_fhtom(dvp); |
1220 | nfsm_strtom(cnp->cn_nameptr, len, NFS_MAXNAMLEN); | |
9238aa59 | 1221 | nfsm_build(sp, struct nfsv2_sattr *, NFSX_SATTR); |
d40530c6 KM |
1222 | sp->sa_mode = vtonfs_mode(VDIR, vap->va_mode); |
1223 | sp->sa_uid = txdr_unsigned(cnp->cn_cred->cr_uid); | |
1224 | sp->sa_gid = txdr_unsigned(cnp->cn_cred->cr_gid); | |
9238aa59 | 1225 | sp->sa_size = txdr_unsigned(VNOVAL); |
d40530c6 KM |
1226 | txdr_time(&vap->va_atime, &sp->sa_atime); /* or VNOVAL ?? */ |
1227 | txdr_time(&vap->va_mtime, &sp->sa_mtime); /* or VNOVAL ?? */ | |
1228 | nfsm_request(dvp, NFSPROC_MKDIR, cnp->cn_proc, cnp->cn_cred); | |
1229 | nfsm_mtofh(dvp, *ap->a_vpp); | |
a2907882 | 1230 | nfsm_reqdone; |
d40530c6 | 1231 | VTONFS(dvp)->n_flag |= NMODIFIED; |
f5f6c13e | 1232 | /* |
f0f1cbaa KM |
1233 | * Kludge: Map EEXIST => 0 assuming that you have a reply to a retry |
1234 | * if we can succeed in looking up the directory. | |
1235 | * "firsttry" is necessary since the macros may "goto nfsmout" which | |
1236 | * is above the if on errors. (Ugh) | |
f5f6c13e | 1237 | */ |
f0f1cbaa KM |
1238 | if (error == EEXIST && firsttry) { |
1239 | firsttry = 0; | |
f5f6c13e | 1240 | error = 0; |
f0f1cbaa | 1241 | nfsstats.rpccnt[NFSPROC_LOOKUP]++; |
e1b76915 | 1242 | *ap->a_vpp = NULL; |
d40530c6 | 1243 | nfsm_reqhead(dvp, NFSPROC_LOOKUP, |
f0f1cbaa | 1244 | NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(len)); |
d40530c6 KM |
1245 | nfsm_fhtom(dvp); |
1246 | nfsm_strtom(cnp->cn_nameptr, len, NFS_MAXNAMLEN); | |
1247 | nfsm_request(dvp, NFSPROC_LOOKUP, cnp->cn_proc, cnp->cn_cred); | |
1248 | nfsm_mtofh(dvp, *ap->a_vpp); | |
e1b76915 JH |
1249 | if ((*ap->a_vpp)->v_type != VDIR) { |
1250 | vput(*ap->a_vpp); | |
f0f1cbaa KM |
1251 | error = EEXIST; |
1252 | } | |
1253 | m_freem(mrep); | |
1254 | } | |
d40530c6 KM |
1255 | FREE(cnp->cn_pnbuf, M_NAMEI); |
1256 | vrele(dvp); | |
a2907882 KM |
1257 | return (error); |
1258 | } | |
1259 | ||
1260 | /* | |
1261 | * nfs remove directory call | |
1262 | */ | |
cfef4373 | 1263 | int |
d40530c6 | 1264 | nfs_rmdir(ap) |
9342689a | 1265 | struct vop_rmdir_args *ap; |
a2907882 | 1266 | { |
d40530c6 KM |
1267 | register struct vnode *vp = ap->a_vp; |
1268 | register struct vnode *dvp = ap->a_dvp; | |
1269 | register struct componentname *cnp = ap->a_cnp; | |
26cb2431 | 1270 | register u_long *tl; |
13576453 | 1271 | register caddr_t cp; |
2c5b44a2 | 1272 | register long t2; |
13576453 | 1273 | caddr_t bpos, dpos; |
13576453 KM |
1274 | int error = 0; |
1275 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 | 1276 | |
d40530c6 KM |
1277 | if (dvp == vp) { |
1278 | vrele(dvp); | |
1279 | vrele(dvp); | |
1280 | FREE(cnp->cn_pnbuf, M_NAMEI); | |
a2907882 KM |
1281 | return (EINVAL); |
1282 | } | |
a2907882 | 1283 | nfsstats.rpccnt[NFSPROC_RMDIR]++; |
d40530c6 KM |
1284 | nfsm_reqhead(dvp, NFSPROC_RMDIR, |
1285 | NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(cnp->cn_namelen)); | |
1286 | nfsm_fhtom(dvp); | |
1287 | nfsm_strtom(cnp->cn_nameptr, cnp->cn_namelen, NFS_MAXNAMLEN); | |
1288 | nfsm_request(dvp, NFSPROC_RMDIR, cnp->cn_proc, cnp->cn_cred); | |
a2907882 | 1289 | nfsm_reqdone; |
d40530c6 KM |
1290 | FREE(cnp->cn_pnbuf, M_NAMEI); |
1291 | VTONFS(dvp)->n_flag |= NMODIFIED; | |
1292 | cache_purge(dvp); | |
1293 | cache_purge(vp); | |
1294 | vrele(vp); | |
1295 | vrele(dvp); | |
f5f6c13e KM |
1296 | /* |
1297 | * Kludge: Map ENOENT => 0 assuming that you have a reply to a retry. | |
1298 | */ | |
1299 | if (error == ENOENT) | |
1300 | error = 0; | |
a2907882 KM |
1301 | return (error); |
1302 | } | |
1303 | ||
1304 | /* | |
1305 | * nfs readdir call | |
1306 | * Although cookie is defined as opaque, I translate it to/from net byte | |
1307 | * order so that it looks more sensible. This appears consistent with the | |
1308 | * Ultrix implementation of NFS. | |
1309 | */ | |
cfef4373 | 1310 | int |
d40530c6 | 1311 | nfs_readdir(ap) |
9342689a | 1312 | struct vop_readdir_args *ap; |
f0f1cbaa | 1313 | { |
9342689a | 1314 | USES_VOP_GETATTR; |
d40530c6 KM |
1315 | register struct vnode *vp = ap->a_vp; |
1316 | register struct nfsnode *np = VTONFS(vp); | |
1317 | register struct uio *uio = ap->a_uio; | |
f0f1cbaa KM |
1318 | int tresid, error; |
1319 | struct vattr vattr; | |
1320 | ||
d40530c6 | 1321 | if (vp->v_type != VDIR) |
f0f1cbaa KM |
1322 | return (EPERM); |
1323 | /* | |
1324 | * First, check for hit on the EOF offset cache | |
1325 | */ | |
d40530c6 | 1326 | if (uio->uio_offset != 0 && uio->uio_offset == np->n_direofoffset && |
2c5b44a2 | 1327 | (np->n_flag & NMODIFIED) == 0) { |
d40530c6 KM |
1328 | if (VFSTONFS(vp->v_mount)->nm_flag & NFSMNT_NQNFS) { |
1329 | if (NQNFS_CKCACHABLE(vp, NQL_READ)) { | |
2c5b44a2 KM |
1330 | nfsstats.direofcache_hits++; |
1331 | return (0); | |
1332 | } | |
d40530c6 | 1333 | } else if (VOP_GETATTR(vp, &vattr, ap->a_cred, uio->uio_procp) == 0 && |
7e11a0c9 | 1334 | np->n_mtime == vattr.va_mtime.ts_sec) { |
2c5b44a2 KM |
1335 | nfsstats.direofcache_hits++; |
1336 | return (0); | |
1337 | } | |
f0f1cbaa KM |
1338 | } |
1339 | ||
1340 | /* | |
1341 | * Call nfs_bioread() to do the real work. | |
1342 | */ | |
d40530c6 KM |
1343 | tresid = uio->uio_resid; |
1344 | error = nfs_bioread(vp, uio, 0, ap->a_cred); | |
f0f1cbaa | 1345 | |
575dc6d4 | 1346 | if (!error && uio->uio_resid == tresid) |
f0f1cbaa | 1347 | nfsstats.direofcache_misses++; |
f0f1cbaa KM |
1348 | return (error); |
1349 | } | |
1350 | ||
1351 | /* | |
1352 | * Readdir rpc call. | |
1353 | * Called from below the buffer cache by nfs_doio(). | |
1354 | */ | |
cfef4373 | 1355 | int |
26cb2431 | 1356 | nfs_readdirrpc(vp, uiop, cred) |
f0f1cbaa KM |
1357 | register struct vnode *vp; |
1358 | struct uio *uiop; | |
1359 | struct ucred *cred; | |
a2907882 KM |
1360 | { |
1361 | register long len; | |
f0a3460e | 1362 | register struct readdir *dp; |
26cb2431 | 1363 | register u_long *tl; |
13576453 KM |
1364 | register caddr_t cp; |
1365 | register long t1; | |
f0f1cbaa | 1366 | long tlen, lastlen; |
13576453 | 1367 | caddr_t bpos, dpos, cp2; |
13576453 KM |
1368 | int error = 0; |
1369 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 KM |
1370 | struct mbuf *md2; |
1371 | caddr_t dpos2; | |
1372 | int siz; | |
e49b1a6c | 1373 | int more_dirs = 1; |
a2907882 | 1374 | off_t off, savoff; |
f0a3460e | 1375 | struct readdir *savdp; |
e49b1a6c KM |
1376 | struct nfsmount *nmp; |
1377 | struct nfsnode *np = VTONFS(vp); | |
1378 | long tresid; | |
a2907882 | 1379 | |
54fb9dc2 | 1380 | nmp = VFSTONFS(vp->v_mount); |
e49b1a6c | 1381 | tresid = uiop->uio_resid; |
a2907882 | 1382 | /* |
e49b1a6c | 1383 | * Loop around doing readdir rpc's of size uio_resid or nm_rsize, |
26cb2431 | 1384 | * whichever is smaller, truncated to a multiple of NFS_DIRBLKSIZ. |
f0f1cbaa | 1385 | * The stopping criteria is EOF or buffer full. |
a2907882 | 1386 | */ |
26cb2431 | 1387 | while (more_dirs && uiop->uio_resid >= NFS_DIRBLKSIZ) { |
e49b1a6c | 1388 | nfsstats.rpccnt[NFSPROC_READDIR]++; |
2c5b44a2 KM |
1389 | nfsm_reqhead(vp, NFSPROC_READDIR, |
1390 | NFSX_FH+2*NFSX_UNSIGNED); | |
e49b1a6c | 1391 | nfsm_fhtom(vp); |
26cb2431 KM |
1392 | nfsm_build(tl, u_long *, 2*NFSX_UNSIGNED); |
1393 | *tl++ = txdr_unsigned(uiop->uio_offset); | |
1394 | *tl = txdr_unsigned(((uiop->uio_resid > nmp->nm_rsize) ? | |
1395 | nmp->nm_rsize : uiop->uio_resid) & ~(NFS_DIRBLKSIZ-1)); | |
2c5b44a2 | 1396 | nfsm_request(vp, NFSPROC_READDIR, uiop->uio_procp, cred); |
e49b1a6c | 1397 | siz = 0; |
2c5b44a2 | 1398 | nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); |
26cb2431 | 1399 | more_dirs = fxdr_unsigned(int, *tl); |
e49b1a6c KM |
1400 | |
1401 | /* Save the position so that we can do nfsm_mtouio() later */ | |
1402 | dpos2 = dpos; | |
1403 | md2 = md; | |
1404 | ||
1405 | /* loop thru the dir entries, doctoring them to 4bsd form */ | |
f0f1cbaa | 1406 | off = uiop->uio_offset; |
7c15c5df | 1407 | #ifdef lint |
f0a3460e | 1408 | dp = (struct readdir *)0; |
7c15c5df | 1409 | #endif /* lint */ |
e49b1a6c KM |
1410 | while (more_dirs && siz < uiop->uio_resid) { |
1411 | savoff = off; /* Hold onto offset and dp */ | |
1412 | savdp = dp; | |
2c5b44a2 | 1413 | nfsm_dissecton(tl, u_long *, 2*NFSX_UNSIGNED); |
f0a3460e | 1414 | dp = (struct readdir *)tl; |
26cb2431 KM |
1415 | dp->d_ino = fxdr_unsigned(u_long, *tl++); |
1416 | len = fxdr_unsigned(int, *tl); | |
e49b1a6c KM |
1417 | if (len <= 0 || len > NFS_MAXNAMLEN) { |
1418 | error = EBADRPC; | |
1419 | m_freem(mrep); | |
1420 | goto nfsmout; | |
1421 | } | |
1422 | dp->d_namlen = (u_short)len; | |
1423 | nfsm_adv(len); /* Point past name */ | |
1424 | tlen = nfsm_rndup(len); | |
1425 | /* | |
1426 | * This should not be necessary, but some servers have | |
1427 | * broken XDR such that these bytes are not null filled. | |
1428 | */ | |
1429 | if (tlen != len) { | |
1430 | *dpos = '\0'; /* Null-terminate */ | |
1431 | nfsm_adv(tlen - len); | |
1432 | len = tlen; | |
1433 | } | |
2c5b44a2 | 1434 | nfsm_dissecton(tl, u_long *, 2*NFSX_UNSIGNED); |
26cb2431 KM |
1435 | off = fxdr_unsigned(off_t, *tl); |
1436 | *tl++ = 0; /* Ensures null termination of name */ | |
1437 | more_dirs = fxdr_unsigned(int, *tl); | |
e49b1a6c KM |
1438 | dp->d_reclen = len+4*NFSX_UNSIGNED; |
1439 | siz += dp->d_reclen; | |
1440 | } | |
1441 | /* | |
1442 | * If at end of rpc data, get the eof boolean | |
1443 | */ | |
1444 | if (!more_dirs) { | |
2c5b44a2 | 1445 | nfsm_dissecton(tl, u_long *, NFSX_UNSIGNED); |
26cb2431 | 1446 | more_dirs = (fxdr_unsigned(int, *tl) == 0); |
e49b1a6c KM |
1447 | |
1448 | /* | |
1449 | * If at EOF, cache directory offset | |
1450 | */ | |
f0f1cbaa | 1451 | if (!more_dirs) |
e49b1a6c | 1452 | np->n_direofoffset = off; |
e49b1a6c KM |
1453 | } |
1454 | /* | |
1455 | * If there is too much to fit in the data buffer, use savoff and | |
1456 | * savdp to trim off the last record. | |
1457 | * --> we are not at eof | |
1458 | */ | |
1459 | if (siz > uiop->uio_resid) { | |
1460 | off = savoff; | |
1461 | siz -= dp->d_reclen; | |
1462 | dp = savdp; | |
1463 | more_dirs = 0; /* Paranoia */ | |
1464 | } | |
1465 | if (siz > 0) { | |
f0f1cbaa | 1466 | lastlen = dp->d_reclen; |
e49b1a6c KM |
1467 | md = md2; |
1468 | dpos = dpos2; | |
1469 | nfsm_mtouio(uiop, siz); | |
1470 | uiop->uio_offset = off; | |
1471 | } else | |
1472 | more_dirs = 0; /* Ugh, never happens, but in case.. */ | |
1473 | m_freem(mrep); | |
a2907882 | 1474 | } |
f0f1cbaa | 1475 | /* |
26cb2431 | 1476 | * Fill last record, iff any, out to a multiple of NFS_DIRBLKSIZ |
f0f1cbaa KM |
1477 | * by increasing d_reclen for the last record. |
1478 | */ | |
1479 | if (uiop->uio_resid < tresid) { | |
26cb2431 | 1480 | len = uiop->uio_resid & (NFS_DIRBLKSIZ - 1); |
f0f1cbaa | 1481 | if (len > 0) { |
f0a3460e | 1482 | dp = (struct readdir *) |
f0f1cbaa KM |
1483 | (uiop->uio_iov->iov_base - lastlen); |
1484 | dp->d_reclen += len; | |
1485 | uiop->uio_iov->iov_base += len; | |
1486 | uiop->uio_iov->iov_len -= len; | |
1487 | uiop->uio_resid -= len; | |
1488 | } | |
c79a85cd | 1489 | } |
f0f1cbaa | 1490 | nfsmout: |
a2907882 KM |
1491 | return (error); |
1492 | } | |
1493 | ||
2c5b44a2 KM |
1494 | /* |
1495 | * Nqnfs readdir_and_lookup RPC. Used in place of nfs_readdirrpc() when | |
1496 | * the "rdirlook" mount option is specified. | |
1497 | */ | |
cfef4373 | 1498 | int |
2c5b44a2 KM |
1499 | nfs_readdirlookrpc(vp, uiop, cred) |
1500 | struct vnode *vp; | |
1501 | register struct uio *uiop; | |
1502 | struct ucred *cred; | |
1503 | { | |
1504 | register int len; | |
f0a3460e | 1505 | register struct readdir *dp; |
2c5b44a2 KM |
1506 | register u_long *tl; |
1507 | register caddr_t cp; | |
1508 | register long t1; | |
1509 | caddr_t bpos, dpos, cp2; | |
1510 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
1511 | struct nameidata nami, *ndp = &nami; | |
c5b4f497 | 1512 | struct componentname *cnp = &ndp->ni_cnd; |
2c5b44a2 KM |
1513 | off_t off, endoff; |
1514 | time_t reqtime, ltime; | |
1515 | struct nfsmount *nmp; | |
1516 | struct nfsnode *np, *tp; | |
1517 | struct vnode *newvp; | |
1518 | nfsv2fh_t *fhp; | |
1519 | u_long fileno; | |
1520 | u_quad_t frev; | |
1521 | int error = 0, tlen, more_dirs = 1, tresid, doit, bigenough, i; | |
1522 | int cachable; | |
1523 | ||
1524 | if (uiop->uio_iovcnt != 1) | |
1525 | panic("nfs rdirlook"); | |
1526 | nmp = VFSTONFS(vp->v_mount); | |
1527 | tresid = uiop->uio_resid; | |
1528 | ndp->ni_dvp = vp; | |
1529 | newvp = NULLVP; | |
1530 | /* | |
1531 | * Loop around doing readdir rpc's of size uio_resid or nm_rsize, | |
1532 | * whichever is smaller, truncated to a multiple of NFS_DIRBLKSIZ. | |
1533 | * The stopping criteria is EOF or buffer full. | |
1534 | */ | |
1535 | while (more_dirs && uiop->uio_resid >= NFS_DIRBLKSIZ) { | |
1536 | nfsstats.rpccnt[NQNFSPROC_READDIRLOOK]++; | |
1537 | nfsm_reqhead(vp, NQNFSPROC_READDIRLOOK, | |
1538 | NFSX_FH+3*NFSX_UNSIGNED); | |
1539 | nfsm_fhtom(vp); | |
1540 | nfsm_build(tl, u_long *, 3*NFSX_UNSIGNED); | |
1541 | *tl++ = txdr_unsigned(uiop->uio_offset); | |
1542 | *tl++ = txdr_unsigned(((uiop->uio_resid > nmp->nm_rsize) ? | |
1543 | nmp->nm_rsize : uiop->uio_resid) & ~(NFS_DIRBLKSIZ-1)); | |
1544 | *tl = txdr_unsigned(nmp->nm_leaseterm); | |
1545 | reqtime = time.tv_sec; | |
1546 | nfsm_request(vp, NQNFSPROC_READDIRLOOK, uiop->uio_procp, cred); | |
1547 | nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); | |
1548 | more_dirs = fxdr_unsigned(int, *tl); | |
1549 | ||
1550 | /* loop thru the dir entries, doctoring them to 4bsd form */ | |
1551 | off = uiop->uio_offset; | |
1552 | bigenough = 1; | |
1553 | while (more_dirs && bigenough) { | |
1554 | doit = 1; | |
1555 | nfsm_dissect(tl, u_long *, 4*NFSX_UNSIGNED); | |
1556 | cachable = fxdr_unsigned(int, *tl++); | |
1557 | ltime = reqtime + fxdr_unsigned(int, *tl++); | |
1558 | fxdr_hyper(tl, &frev); | |
1559 | nfsm_dissect(fhp, nfsv2fh_t *, NFSX_FH); | |
1560 | if (!bcmp(VTONFS(vp)->n_fh.fh_bytes, (caddr_t)fhp, NFSX_FH)) { | |
1561 | VREF(vp); | |
1562 | newvp = vp; | |
1563 | np = VTONFS(vp); | |
1564 | } else { | |
1565 | if (error = nfs_nget(vp->v_mount, fhp, &np)) | |
1566 | doit = 0; | |
1567 | newvp = NFSTOV(np); | |
1568 | } | |
1569 | if (error = nfs_loadattrcache(&newvp, &md, &dpos, | |
1570 | (struct vattr *)0)) | |
1571 | doit = 0; | |
1572 | nfsm_dissect(tl, u_long *, 2*NFSX_UNSIGNED); | |
1573 | fileno = fxdr_unsigned(u_long, *tl++); | |
1574 | len = fxdr_unsigned(int, *tl); | |
1575 | if (len <= 0 || len > NFS_MAXNAMLEN) { | |
1576 | error = EBADRPC; | |
1577 | m_freem(mrep); | |
1578 | goto nfsmout; | |
1579 | } | |
1580 | tlen = (len + 4) & ~0x3; | |
1581 | if ((tlen + DIRHDSIZ) > uiop->uio_resid) | |
1582 | bigenough = 0; | |
1583 | if (bigenough && doit) { | |
f0a3460e | 1584 | dp = (struct readdir *)uiop->uio_iov->iov_base; |
2c5b44a2 KM |
1585 | dp->d_ino = fileno; |
1586 | dp->d_namlen = len; | |
1587 | dp->d_reclen = tlen + DIRHDSIZ; | |
1588 | uiop->uio_resid -= DIRHDSIZ; | |
1589 | uiop->uio_iov->iov_base += DIRHDSIZ; | |
1590 | uiop->uio_iov->iov_len -= DIRHDSIZ; | |
c5b4f497 JH |
1591 | cnp->cn_nameptr = uiop->uio_iov->iov_base; |
1592 | cnp->cn_namelen = len; | |
2c5b44a2 KM |
1593 | ndp->ni_vp = newvp; |
1594 | nfsm_mtouio(uiop, len); | |
1595 | cp = uiop->uio_iov->iov_base; | |
1596 | tlen -= len; | |
1597 | for (i = 0; i < tlen; i++) | |
1598 | *cp++ = '\0'; | |
1599 | uiop->uio_iov->iov_base += tlen; | |
1600 | uiop->uio_iov->iov_len -= tlen; | |
1601 | uiop->uio_resid -= tlen; | |
c5b4f497 JH |
1602 | cnp->cn_hash = 0; |
1603 | for (cp = cnp->cn_nameptr, i = 1; i <= len; i++, cp++) | |
1604 | cnp->cn_hash += (unsigned char)*cp * i; | |
2c5b44a2 KM |
1605 | if (ltime > time.tv_sec) { |
1606 | if (np->n_tnext) { | |
1607 | if (np->n_tnext == (struct nfsnode *)nmp) | |
1608 | nmp->nm_tprev = np->n_tprev; | |
1609 | else | |
1610 | np->n_tnext->n_tprev = np->n_tprev; | |
1611 | if (np->n_tprev == (struct nfsnode *)nmp) | |
1612 | nmp->nm_tnext = np->n_tnext; | |
1613 | else | |
1614 | np->n_tprev->n_tnext = np->n_tnext; | |
1615 | } else | |
1616 | np->n_flag &= ~NQNFSWRITE; | |
1617 | if (cachable) | |
1618 | np->n_flag &= ~NQNFSNONCACHE; | |
1619 | else | |
1620 | np->n_flag |= NQNFSNONCACHE; | |
1621 | np->n_expiry = ltime; | |
1622 | np->n_lrev = frev; | |
1623 | tp = nmp->nm_tprev; | |
1624 | while (tp != (struct nfsnode *)nmp && tp->n_expiry > np->n_expiry) | |
1625 | tp = tp->n_tprev; | |
1626 | if (tp == (struct nfsnode *)nmp) { | |
1627 | np->n_tnext = nmp->nm_tnext; | |
1628 | nmp->nm_tnext = np; | |
1629 | } else { | |
1630 | np->n_tnext = tp->n_tnext; | |
1631 | tp->n_tnext = np; | |
1632 | } | |
1633 | np->n_tprev = tp; | |
1634 | if (np->n_tnext == (struct nfsnode *)nmp) | |
1635 | nmp->nm_tprev = np; | |
1636 | else | |
1637 | np->n_tnext->n_tprev = np; | |
c5b4f497 | 1638 | cache_enter(ndp->ni_dvp, ndp->ni_vp, cnp); |
2c5b44a2 KM |
1639 | } |
1640 | } else { | |
1641 | nfsm_adv(nfsm_rndup(len)); | |
1642 | } | |
1643 | if (newvp != NULLVP) { | |
1644 | vrele(newvp); | |
1645 | newvp = NULLVP; | |
1646 | } | |
1647 | nfsm_dissect(tl, u_long *, 2*NFSX_UNSIGNED); | |
1648 | if (bigenough) | |
1649 | endoff = off = fxdr_unsigned(off_t, *tl++); | |
1650 | else | |
1651 | endoff = fxdr_unsigned(off_t, *tl++); | |
1652 | more_dirs = fxdr_unsigned(int, *tl); | |
1653 | } | |
1654 | /* | |
1655 | * If at end of rpc data, get the eof boolean | |
1656 | */ | |
1657 | if (!more_dirs) { | |
1658 | nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); | |
1659 | more_dirs = (fxdr_unsigned(int, *tl) == 0); | |
1660 | ||
1661 | /* | |
1662 | * If at EOF, cache directory offset | |
1663 | */ | |
1664 | if (!more_dirs) | |
1665 | VTONFS(vp)->n_direofoffset = endoff; | |
1666 | } | |
1667 | if (uiop->uio_resid < tresid) | |
1668 | uiop->uio_offset = off; | |
1669 | else | |
1670 | more_dirs = 0; | |
1671 | m_freem(mrep); | |
1672 | } | |
1673 | /* | |
1674 | * Fill last record, iff any, out to a multiple of NFS_DIRBLKSIZ | |
1675 | * by increasing d_reclen for the last record. | |
1676 | */ | |
1677 | if (uiop->uio_resid < tresid) { | |
1678 | len = uiop->uio_resid & (NFS_DIRBLKSIZ - 1); | |
1679 | if (len > 0) { | |
1680 | dp->d_reclen += len; | |
1681 | uiop->uio_iov->iov_base += len; | |
1682 | uiop->uio_iov->iov_len -= len; | |
1683 | uiop->uio_resid -= len; | |
1684 | } | |
1685 | } | |
1686 | nfsmout: | |
1687 | if (newvp != NULLVP) | |
1688 | vrele(newvp); | |
1689 | return (error); | |
1690 | } | |
13576453 | 1691 | static char hextoasc[] = "0123456789abcdef"; |
a2907882 KM |
1692 | |
1693 | /* | |
1694 | * Silly rename. To make the NFS filesystem that is stateless look a little | |
1695 | * more like the "ufs" a remove of an active vnode is translated to a rename | |
1696 | * to a funny looking filename that is removed by nfs_inactive on the | |
1697 | * nfsnode. There is the potential for another process on a different client | |
1698 | * to create the same funny name between the nfs_lookitup() fails and the | |
1699 | * nfs_rename() completes, but... | |
1700 | */ | |
cfef4373 | 1701 | int |
c5b4f497 | 1702 | nfs_sillyrename(dvp, vp, cnp) |
cfef4373 JH |
1703 | struct vnode *dvp, *vp; |
1704 | struct componentname *cnp; | |
a2907882 KM |
1705 | { |
1706 | register struct nfsnode *np; | |
1707 | register struct sillyrename *sp; | |
a2907882 KM |
1708 | int error; |
1709 | short pid; | |
1710 | ||
cfef4373 JH |
1711 | cache_purge(dvp); |
1712 | np = VTONFS(vp); | |
4999e85f | 1713 | #ifdef SILLYSEPARATE |
a2907882 | 1714 | MALLOC(sp, struct sillyrename *, sizeof (struct sillyrename), |
a9b4ecb2 | 1715 | M_NFSREQ, M_WAITOK); |
4999e85f KM |
1716 | #else |
1717 | sp = &np->n_silly; | |
1718 | #endif | |
cfef4373 JH |
1719 | sp->s_cred = crdup(cnp->cn_cred); |
1720 | sp->s_dvp = dvp; | |
1721 | VREF(dvp); | |
a2907882 KM |
1722 | |
1723 | /* Fudge together a funny name */ | |
cfef4373 | 1724 | pid = cnp->cn_proc->p_pid; |
a9b4ecb2 KM |
1725 | bcopy(".nfsAxxxx4.4", sp->s_name, 13); |
1726 | sp->s_namlen = 12; | |
1727 | sp->s_name[8] = hextoasc[pid & 0xf]; | |
1728 | sp->s_name[7] = hextoasc[(pid >> 4) & 0xf]; | |
1729 | sp->s_name[6] = hextoasc[(pid >> 8) & 0xf]; | |
1730 | sp->s_name[5] = hextoasc[(pid >> 12) & 0xf]; | |
a2907882 KM |
1731 | |
1732 | /* Try lookitups until we get one that isn't there */ | |
cfef4373 | 1733 | while (nfs_lookitup(sp, (nfsv2fh_t *)0, cnp->cn_proc) == 0) { |
a9b4ecb2 KM |
1734 | sp->s_name[4]++; |
1735 | if (sp->s_name[4] > 'z') { | |
a2907882 KM |
1736 | error = EINVAL; |
1737 | goto bad; | |
1738 | } | |
1739 | } | |
cfef4373 | 1740 | if (error = nfs_renameit(dvp, cnp, sp)) |
a2907882 | 1741 | goto bad; |
cfef4373 | 1742 | nfs_lookitup(sp, &np->n_fh, cnp->cn_proc); |
a2907882 KM |
1743 | np->n_sillyrename = sp; |
1744 | return (0); | |
1745 | bad: | |
a9b4ecb2 KM |
1746 | vrele(sp->s_dvp); |
1747 | crfree(sp->s_cred); | |
4999e85f | 1748 | #ifdef SILLYSEPARATE |
a9b4ecb2 | 1749 | free((caddr_t)sp, M_NFSREQ); |
4999e85f | 1750 | #endif |
a2907882 KM |
1751 | return (error); |
1752 | } | |
1753 | ||
1754 | /* | |
1755 | * Look up a file name for silly rename stuff. | |
1756 | * Just like nfs_lookup() except that it doesn't load returned values | |
1757 | * into the nfsnode table. | |
1758 | * If fhp != NULL it copies the returned file handle out | |
1759 | */ | |
cfef4373 | 1760 | int |
2c5b44a2 | 1761 | nfs_lookitup(sp, fhp, procp) |
a9b4ecb2 | 1762 | register struct sillyrename *sp; |
a2907882 | 1763 | nfsv2fh_t *fhp; |
2c5b44a2 | 1764 | struct proc *procp; |
a2907882 | 1765 | { |
a9b4ecb2 | 1766 | register struct vnode *vp = sp->s_dvp; |
26cb2431 | 1767 | register u_long *tl; |
13576453 KM |
1768 | register caddr_t cp; |
1769 | register long t1, t2; | |
1770 | caddr_t bpos, dpos, cp2; | |
1771 | u_long xid; | |
1772 | int error = 0; | |
1773 | struct mbuf *mreq, *mrep, *md, *mb, *mb2; | |
a2907882 KM |
1774 | long len; |
1775 | ||
1776 | nfsstats.rpccnt[NFSPROC_LOOKUP]++; | |
a9b4ecb2 | 1777 | len = sp->s_namlen; |
2c5b44a2 | 1778 | nfsm_reqhead(vp, NFSPROC_LOOKUP, NFSX_FH+NFSX_UNSIGNED+nfsm_rndup(len)); |
a2907882 | 1779 | nfsm_fhtom(vp); |
a9b4ecb2 | 1780 | nfsm_strtom(sp->s_name, len, NFS_MAXNAMLEN); |
2c5b44a2 | 1781 | nfsm_request(vp, NFSPROC_LOOKUP, procp, sp->s_cred); |
a2907882 | 1782 | if (fhp != NULL) { |
2c5b44a2 | 1783 | nfsm_dissect(cp, caddr_t, NFSX_FH); |
a2907882 KM |
1784 | bcopy(cp, (caddr_t)fhp, NFSX_FH); |
1785 | } | |
1786 | nfsm_reqdone; | |
1787 | return (error); | |
1788 | } | |
1789 | ||
1790 | /* | |
1791 | * Kludge City.. | |
1792 | * - make nfs_bmap() essentially a no-op that does no translation | |
f0f1cbaa | 1793 | * - do nfs_strategy() by faking physical I/O with nfs_readrpc/nfs_writerpc |
a2907882 KM |
1794 | * after mapping the physical addresses into Kernel Virtual space in the |
1795 | * nfsiobuf area. | |
1796 | * (Maybe I could use the process's page mapping, but I was concerned that | |
1797 | * Kernel Write might not be enabled and also figured copyout() would do | |
1798 | * a lot more work than bcopy() and also it currently happens in the | |
1799 | * context of the swapper process (2). | |
1800 | */ | |
cfef4373 | 1801 | int |
d40530c6 | 1802 | nfs_bmap(ap) |
9342689a | 1803 | struct vop_bmap_args *ap; |
a2907882 | 1804 | { |
d40530c6 KM |
1805 | register struct vnode *vp = ap->a_vp; |
1806 | ||
e1b76915 | 1807 | if (ap->a_vpp != NULL) |
d40530c6 | 1808 | *ap->a_vpp = vp; |
e1b76915 | 1809 | if (ap->a_bnp != NULL) |
d40530c6 | 1810 | *ap->a_bnp = ap->a_bn * btodb(vp->v_mount->mnt_stat.f_iosize); |
a2907882 KM |
1811 | return (0); |
1812 | } | |
1813 | ||
1814 | /* | |
9238aa59 RM |
1815 | * Strategy routine for phys. i/o |
1816 | * If the biod's are running, queue a request | |
1817 | * otherwise just call nfs_doio() to get it done | |
a2907882 | 1818 | */ |
cfef4373 | 1819 | int |
d40530c6 | 1820 | nfs_strategy(ap) |
9342689a | 1821 | struct vop_strategy_args *ap; |
9238aa59 | 1822 | { |
d40530c6 | 1823 | register struct buf *bp = ap->a_bp; |
9238aa59 | 1824 | register struct buf *dp; |
ffe6f482 | 1825 | register int i; |
9238aa59 | 1826 | int error = 0; |
ffe6f482 | 1827 | int fnd = 0; |
9238aa59 | 1828 | |
f0f1cbaa KM |
1829 | /* |
1830 | * Set b_proc. It seems a bit silly to do it here, but since bread() | |
1831 | * doesn't set it, I will. | |
48531fd3 | 1832 | * Set b_proc == NULL for asynchronous ops, since these may still |
f0f1cbaa KM |
1833 | * be hanging about after the process terminates. |
1834 | */ | |
d40530c6 KM |
1835 | if ((bp->b_flags & B_PHYS) == 0) { |
1836 | if (bp->b_flags & B_ASYNC) | |
1837 | bp->b_proc = (struct proc *)0; | |
1c89915d | 1838 | else |
d40530c6 | 1839 | bp->b_proc = curproc; |
1c89915d | 1840 | } |
9238aa59 | 1841 | /* |
48531fd3 | 1842 | * If the op is asynchronous and an i/o daemon is waiting |
9238aa59 | 1843 | * queue the request, wake it up and wait for completion |
48531fd3 | 1844 | * otherwise just do it ourselves. |
9238aa59 | 1845 | */ |
d40530c6 KM |
1846 | if ((bp->b_flags & B_ASYNC) == 0 || nfs_numasync == 0) |
1847 | return (nfs_doio(bp)); | |
1c89915d KM |
1848 | for (i = 0; i < NFS_MAXASYNCDAEMON; i++) { |
1849 | if (nfs_iodwant[i]) { | |
ffe6f482 KM |
1850 | dp = &nfs_bqueue; |
1851 | if (dp->b_actf == NULL) { | |
d40530c6 KM |
1852 | dp->b_actl = bp; |
1853 | bp->b_actf = dp; | |
ffe6f482 | 1854 | } else { |
d40530c6 KM |
1855 | dp->b_actf->b_actl = bp; |
1856 | bp->b_actf = dp->b_actf; | |
ffe6f482 | 1857 | } |
d40530c6 KM |
1858 | dp->b_actf = bp; |
1859 | bp->b_actl = dp; | |
ffe6f482 | 1860 | fnd++; |
ffe6f482 KM |
1861 | wakeup((caddr_t)&nfs_iodwant[i]); |
1862 | break; | |
9238aa59 | 1863 | } |
ffe6f482 KM |
1864 | } |
1865 | if (!fnd) | |
d40530c6 | 1866 | error = nfs_doio(bp); |
9238aa59 RM |
1867 | return (error); |
1868 | } | |
1869 | ||
1870 | /* | |
1871 | * Fun and games with i/o | |
1872 | * Essentially play ubasetup() and disk interrupt service routine by | |
1873 | * mapping the data buffer into kernel virtual space and doing the | |
1874 | * nfs read or write rpc's from it. | |
f0f1cbaa KM |
1875 | * If the nfsiod's are not running, this is just called from nfs_strategy(), |
1876 | * otherwise it is called by the nfsiods to do what would normally be | |
9238aa59 RM |
1877 | * partially disk interrupt driven. |
1878 | */ | |
cfef4373 | 1879 | int |
9238aa59 RM |
1880 | nfs_doio(bp) |
1881 | register struct buf *bp; | |
a2907882 | 1882 | { |
a2907882 | 1883 | register struct uio *uiop; |
a2907882 | 1884 | register struct vnode *vp; |
ffe6f482 | 1885 | struct nfsnode *np; |
9238aa59 | 1886 | struct ucred *cr; |
7848989c | 1887 | int error; |
a2907882 KM |
1888 | struct uio uio; |
1889 | struct iovec io; | |
1890 | ||
1891 | vp = bp->b_vp; | |
8c379a26 | 1892 | np = VTONFS(vp); |
a2907882 KM |
1893 | uiop = &uio; |
1894 | uiop->uio_iov = &io; | |
1895 | uiop->uio_iovcnt = 1; | |
a2907882 | 1896 | uiop->uio_segflg = UIO_SYSSPACE; |
2c5b44a2 | 1897 | uiop->uio_procp = bp->b_proc; |
e8540f59 | 1898 | |
a2907882 | 1899 | /* |
9238aa59 RM |
1900 | * For phys i/o, map the b_addr into kernel virtual space using |
1901 | * the Nfsiomap pte's | |
1902 | * Also, add a temporary b_rcred for reading using the process's uid | |
1903 | * and a guess at a group | |
a2907882 | 1904 | */ |
9238aa59 | 1905 | if (bp->b_flags & B_PHYS) { |
26cb2431 KM |
1906 | if (bp->b_flags & B_DIRTY) |
1907 | uiop->uio_procp = pageproc; | |
1908 | cr = crcopy(uiop->uio_procp->p_ucred); | |
7848989c KM |
1909 | /* mapping was already done by vmapbuf */ |
1910 | io.iov_base = bp->b_un.b_addr; | |
e8540f59 KM |
1911 | |
1912 | /* | |
1913 | * And do the i/o rpc | |
1914 | */ | |
e8540f59 | 1915 | io.iov_len = uiop->uio_resid = bp->b_bcount; |
589be24d | 1916 | uiop->uio_offset = bp->b_blkno * DEV_BSIZE; |
e8540f59 KM |
1917 | if (bp->b_flags & B_READ) { |
1918 | uiop->uio_rw = UIO_READ; | |
1919 | nfsstats.read_physios++; | |
26cb2431 | 1920 | bp->b_error = error = nfs_readrpc(vp, uiop, cr); |
8986c97c | 1921 | (void) vnode_pager_uncache(vp); |
e8540f59 KM |
1922 | } else { |
1923 | uiop->uio_rw = UIO_WRITE; | |
1924 | nfsstats.write_physios++; | |
26cb2431 | 1925 | bp->b_error = error = nfs_writerpc(vp, uiop, cr); |
ffe6f482 | 1926 | } |
e8540f59 KM |
1927 | |
1928 | /* | |
1929 | * Finally, release pte's used by physical i/o | |
1930 | */ | |
9238aa59 | 1931 | crfree(cr); |
e8540f59 KM |
1932 | } else { |
1933 | if (bp->b_flags & B_READ) { | |
1934 | io.iov_len = uiop->uio_resid = bp->b_bcount; | |
e8540f59 KM |
1935 | io.iov_base = bp->b_un.b_addr; |
1936 | uiop->uio_rw = UIO_READ; | |
f0f1cbaa KM |
1937 | switch (vp->v_type) { |
1938 | case VREG: | |
1939 | uiop->uio_offset = bp->b_blkno * DEV_BSIZE; | |
1940 | nfsstats.read_bios++; | |
26cb2431 | 1941 | error = nfs_readrpc(vp, uiop, bp->b_rcred); |
f0f1cbaa KM |
1942 | break; |
1943 | case VLNK: | |
1944 | uiop->uio_offset = 0; | |
1945 | nfsstats.readlink_bios++; | |
26cb2431 | 1946 | error = nfs_readlinkrpc(vp, uiop, bp->b_rcred); |
f0f1cbaa KM |
1947 | break; |
1948 | case VDIR: | |
1949 | uiop->uio_offset = bp->b_lblkno; | |
1950 | nfsstats.readdir_bios++; | |
2c5b44a2 KM |
1951 | if (VFSTONFS(vp->v_mount)->nm_flag & NFSMNT_RDIRALOOK) |
1952 | error = nfs_readdirlookrpc(vp, uiop, bp->b_rcred); | |
1953 | else | |
1954 | error = nfs_readdirrpc(vp, uiop, bp->b_rcred); | |
f0f1cbaa KM |
1955 | /* |
1956 | * Save offset cookie in b_blkno. | |
1957 | */ | |
1958 | bp->b_blkno = uiop->uio_offset; | |
1959 | break; | |
1960 | }; | |
1961 | bp->b_error = error; | |
e8540f59 KM |
1962 | } else { |
1963 | io.iov_len = uiop->uio_resid = bp->b_dirtyend | |
1964 | - bp->b_dirtyoff; | |
589be24d | 1965 | uiop->uio_offset = (bp->b_blkno * DEV_BSIZE) |
e8540f59 KM |
1966 | + bp->b_dirtyoff; |
1967 | io.iov_base = bp->b_un.b_addr + bp->b_dirtyoff; | |
1968 | uiop->uio_rw = UIO_WRITE; | |
1969 | nfsstats.write_bios++; | |
f0f1cbaa | 1970 | bp->b_error = error = nfs_writerpc(vp, uiop, |
26cb2431 | 1971 | bp->b_wcred); |
e8540f59 | 1972 | if (error) { |
e8540f59 KM |
1973 | np->n_error = error; |
1974 | np->n_flag |= NWRITEERR; | |
1975 | } | |
1976 | bp->b_dirtyoff = bp->b_dirtyend = 0; | |
1977 | } | |
9238aa59 | 1978 | } |
e8540f59 KM |
1979 | if (error) |
1980 | bp->b_flags |= B_ERROR; | |
1981 | bp->b_resid = uiop->uio_resid; | |
a2907882 | 1982 | biodone(bp); |
9238aa59 RM |
1983 | return (error); |
1984 | } | |
1985 | ||
26cb2431 KM |
1986 | /* |
1987 | * Mmap a file | |
1988 | * | |
1989 | * NB Currently unsupported. | |
1990 | */ | |
1991 | /* ARGSUSED */ | |
cfef4373 | 1992 | int |
d40530c6 | 1993 | nfs_mmap(ap) |
9342689a | 1994 | struct vop_mmap_args *ap; |
26cb2431 KM |
1995 | { |
1996 | ||
1997 | return (EINVAL); | |
1998 | } | |
1999 | ||
9238aa59 RM |
2000 | /* |
2001 | * Flush all the blocks associated with a vnode. | |
2002 | * Walk through the buffer pool and push any dirty pages | |
2003 | * associated with the vnode. | |
2004 | */ | |
13576453 | 2005 | /* ARGSUSED */ |
cfef4373 | 2006 | int |
d40530c6 | 2007 | nfs_fsync(ap) |
575dc6d4 KM |
2008 | struct vop_fsync_args /* { |
2009 | struct vnodeop_desc *a_desc; | |
2010 | struct vnode * a_vp; | |
2011 | struct ucred * a_cred; | |
2012 | int a_waitfor; | |
2013 | struct proc * a_p; | |
2014 | } */ *ap; | |
9238aa59 | 2015 | { |
575dc6d4 KM |
2016 | register struct vnode *vp = ap->a_vp; |
2017 | register struct nfsnode *np = VTONFS(vp); | |
2018 | register struct buf *bp; | |
2019 | struct buf *nbp; | |
2020 | int s, error = 0; | |
2021 | ||
2022 | loop: | |
2023 | s = splbio(); | |
2024 | for (bp = vp->v_dirtyblkhd; bp; bp = nbp) { | |
2025 | nbp = bp->b_blockf; | |
2026 | if ((bp->b_flags & B_BUSY)) | |
2027 | continue; | |
2028 | if ((bp->b_flags & B_DELWRI) == 0) | |
2029 | panic("nfs_fsync: not dirty"); | |
2030 | bremfree(bp); | |
2031 | bp->b_flags |= B_BUSY; | |
2032 | splx(s); | |
2033 | error = bawrite(bp); | |
2034 | goto loop; | |
2035 | } | |
2036 | if (ap->a_waitfor == MNT_WAIT) { | |
2037 | while (vp->v_numoutput) { | |
2038 | vp->v_flag |= VBWAIT; | |
2039 | sleep((caddr_t)&vp->v_numoutput, PRIBIO + 1); | |
2040 | } | |
2041 | #ifdef DIAGNOSTIC | |
2042 | if (vp->v_dirtyblkhd) { | |
2043 | vprint("nfs_fsync: dirty", vp); | |
2044 | goto loop; | |
2045 | } | |
2046 | #endif | |
9238aa59 | 2047 | } |
575dc6d4 KM |
2048 | splx(s); |
2049 | np->n_flag &= ~NMODIFIED; | |
9b61ab4a | 2050 | if (np->n_flag & NWRITEERR) { |
e8540f59 | 2051 | error = np->n_error; |
9b61ab4a KM |
2052 | np->n_flag &= ~NWRITEERR; |
2053 | } | |
a2907882 KM |
2054 | return (error); |
2055 | } | |
d002709d | 2056 | |
a4128336 KM |
2057 | /* |
2058 | * NFS advisory byte-level locks. | |
2059 | * Currently unsupported. | |
2060 | */ | |
cfef4373 | 2061 | int |
d40530c6 | 2062 | nfs_advlock(ap) |
9342689a | 2063 | struct vop_advlock_args *ap; |
a4128336 KM |
2064 | { |
2065 | ||
2066 | return (EOPNOTSUPP); | |
2067 | } | |
2068 | ||
d002709d KM |
2069 | /* |
2070 | * Print out the contents of an nfsnode. | |
2071 | */ | |
cfef4373 | 2072 | int |
d40530c6 | 2073 | nfs_print(ap) |
9342689a | 2074 | struct vop_print_args *ap; |
d002709d | 2075 | { |
d40530c6 KM |
2076 | register struct vnode *vp = ap->a_vp; |
2077 | register struct nfsnode *np = VTONFS(vp); | |
d002709d | 2078 | |
b2d955e4 KM |
2079 | printf("tag VT_NFS, fileid %d fsid 0x%x", |
2080 | np->n_vattr.va_fileid, np->n_vattr.va_fsid); | |
2081 | #ifdef FIFO | |
d40530c6 KM |
2082 | if (vp->v_type == VFIFO) |
2083 | fifo_printinfo(vp); | |
b2d955e4 | 2084 | #endif /* FIFO */ |
1a1dbccb | 2085 | printf("\n"); |
d002709d | 2086 | } |
9396df75 KM |
2087 | |
2088 | /* | |
2089 | * NFS directory offset lookup. | |
2090 | * Currently unsupported. | |
2091 | */ | |
cfef4373 | 2092 | int |
d40530c6 | 2093 | nfs_blkatoff(ap) |
9342689a | 2094 | struct vop_blkatoff_args *ap; |
9396df75 KM |
2095 | { |
2096 | ||
2097 | return (EOPNOTSUPP); | |
2098 | } | |
2099 | ||
2100 | /* | |
2101 | * NFS flat namespace lookup. | |
2102 | * Currently unsupported. | |
2103 | */ | |
cfef4373 | 2104 | int |
d40530c6 | 2105 | nfs_vget(ap) |
9342689a | 2106 | struct vop_vget_args *ap; |
9396df75 KM |
2107 | { |
2108 | ||
2109 | return (EOPNOTSUPP); | |
2110 | } | |
2111 | ||
2112 | /* | |
2113 | * NFS flat namespace allocation. | |
2114 | * Currently unsupported. | |
2115 | */ | |
cfef4373 | 2116 | int |
d40530c6 | 2117 | nfs_valloc(ap) |
9342689a | 2118 | struct vop_valloc_args *ap; |
9396df75 KM |
2119 | { |
2120 | ||
2121 | return (EOPNOTSUPP); | |
2122 | } | |
2123 | ||
2124 | /* | |
2125 | * NFS flat namespace free. | |
2126 | * Currently unsupported. | |
2127 | */ | |
4c323403 | 2128 | int |
d40530c6 | 2129 | nfs_vfree(ap) |
9342689a | 2130 | struct vop_vfree_args *ap; |
9396df75 KM |
2131 | { |
2132 | ||
4c323403 | 2133 | return (EOPNOTSUPP); |
9396df75 KM |
2134 | } |
2135 | ||
2136 | /* | |
2137 | * NFS file truncation. | |
2138 | */ | |
cfef4373 | 2139 | int |
d40530c6 | 2140 | nfs_truncate(ap) |
9342689a | 2141 | struct vop_truncate_args *ap; |
9396df75 KM |
2142 | { |
2143 | ||
2144 | /* Use nfs_setattr */ | |
2145 | printf("nfs_truncate: need to implement!!"); | |
2146 | return (EOPNOTSUPP); | |
2147 | } | |
2148 | ||
2149 | /* | |
2150 | * NFS update. | |
2151 | */ | |
cfef4373 | 2152 | int |
d40530c6 | 2153 | nfs_update(ap) |
9342689a | 2154 | struct vop_update_args *ap; |
9396df75 KM |
2155 | { |
2156 | ||
2157 | /* Use nfs_setattr */ | |
2158 | printf("nfs_update: need to implement!!"); | |
2159 | return (EOPNOTSUPP); | |
2160 | } | |
9b61ab4a KM |
2161 | |
2162 | /* | |
2163 | * Read wrapper for special devices. | |
2164 | */ | |
2165 | int | |
2166 | nfsspec_read(ap) | |
2167 | struct vop_read_args *ap; | |
2168 | { | |
2169 | extern int (**spec_vnodeop_p)(); | |
8a0aec3d | 2170 | register struct nfsnode *np = VTONFS(ap->a_vp); |
9b61ab4a KM |
2171 | |
2172 | /* | |
2173 | * Set access flag. | |
2174 | */ | |
8a0aec3d KM |
2175 | np->n_flag |= NACC; |
2176 | np->n_atim = time; | |
9b61ab4a KM |
2177 | return (VOCALL(spec_vnodeop_p, VOFFSET(vop_read), ap)); |
2178 | } | |
2179 | ||
2180 | /* | |
2181 | * Write wrapper for special devices. | |
2182 | */ | |
2183 | int | |
2184 | nfsspec_write(ap) | |
2185 | struct vop_write_args *ap; | |
2186 | { | |
2187 | extern int (**spec_vnodeop_p)(); | |
8a0aec3d | 2188 | register struct nfsnode *np = VTONFS(ap->a_vp); |
9b61ab4a KM |
2189 | |
2190 | /* | |
8a0aec3d | 2191 | * Set update flag. |
9b61ab4a | 2192 | */ |
8a0aec3d KM |
2193 | np->n_flag |= NUPD; |
2194 | np->n_mtim = time; | |
9b61ab4a KM |
2195 | return (VOCALL(spec_vnodeop_p, VOFFSET(vop_write), ap)); |
2196 | } | |
2197 | ||
2198 | /* | |
2199 | * Close wrapper for special devices. | |
2200 | * | |
2201 | * Update the times on the nfsnode then do device close. | |
2202 | */ | |
2203 | int | |
2204 | nfsspec_close(ap) | |
2205 | struct vop_close_args *ap; | |
2206 | { | |
2207 | USES_VOP_SETATTR; | |
d40530c6 KM |
2208 | register struct vnode *vp = ap->a_vp; |
2209 | register struct nfsnode *np = VTONFS(vp); | |
9b61ab4a KM |
2210 | struct vattr vattr; |
2211 | extern int (**spec_vnodeop_p)(); | |
2212 | ||
2213 | if (np->n_flag & (NACC | NUPD)) { | |
2214 | if (np->n_flag & NACC) | |
2215 | np->n_atim = time; | |
2216 | if (np->n_flag & NUPD) | |
2217 | np->n_mtim = time; | |
2218 | np->n_flag |= NCHG; | |
d40530c6 KM |
2219 | if (vp->v_usecount == 1 && |
2220 | (vp->v_mount->mnt_flag & MNT_RDONLY) == 0) { | |
9b61ab4a | 2221 | VATTR_NULL(&vattr); |
7e11a0c9 KM |
2222 | if (np->n_flag & NACC) { |
2223 | vattr.va_atime.ts_sec = np->n_atim.tv_sec; | |
2224 | vattr.va_atime.ts_nsec = | |
2225 | np->n_atim.tv_usec * 1000; | |
2226 | } | |
2227 | if (np->n_flag & NUPD) { | |
2228 | vattr.va_mtime.ts_sec = np->n_mtim.tv_sec; | |
2229 | vattr.va_mtime.ts_nsec = | |
2230 | np->n_mtim.tv_usec * 1000; | |
2231 | } | |
d40530c6 | 2232 | (void)VOP_SETATTR(vp, &vattr, ap->a_cred, ap->a_p); |
9b61ab4a KM |
2233 | } |
2234 | } | |
2235 | return (VOCALL(spec_vnodeop_p, VOFFSET(vop_close), ap)); | |
2236 | } | |
2237 | ||
2238 | #ifdef FIFO | |
2239 | /* | |
2240 | * Read wrapper for fifos. | |
2241 | */ | |
2242 | int | |
2243 | nfsfifo_read(ap) | |
2244 | struct vop_read_args *ap; | |
2245 | { | |
2246 | extern int (**fifo_vnodeop_p)(); | |
8a0aec3d | 2247 | register struct nfsnode *np = VTONFS(ap->a_vp); |
9b61ab4a KM |
2248 | |
2249 | /* | |
2250 | * Set access flag. | |
2251 | */ | |
8a0aec3d KM |
2252 | np->n_flag |= NACC; |
2253 | np->n_atim = time; | |
9b61ab4a KM |
2254 | return (VOCALL(fifo_vnodeop_p, VOFFSET(vop_read), ap)); |
2255 | } | |
2256 | ||
2257 | /* | |
2258 | * Write wrapper for fifos. | |
2259 | */ | |
2260 | int | |
2261 | nfsfifo_write(ap) | |
2262 | struct vop_write_args *ap; | |
2263 | { | |
2264 | extern int (**fifo_vnodeop_p)(); | |
8a0aec3d | 2265 | register struct nfsnode *np = VTONFS(ap->a_vp); |
9b61ab4a KM |
2266 | |
2267 | /* | |
2268 | * Set update flag. | |
2269 | */ | |
8a0aec3d KM |
2270 | np->n_flag |= NUPD; |
2271 | np->n_mtim = time; | |
9b61ab4a KM |
2272 | return (VOCALL(fifo_vnodeop_p, VOFFSET(vop_write), ap)); |
2273 | } | |
2274 | ||
2275 | /* | |
2276 | * Close wrapper for fifos. | |
2277 | * | |
2278 | * Update the times on the nfsnode then do fifo close. | |
2279 | */ | |
2280 | int | |
2281 | nfsfifo_close(ap) | |
2282 | struct vop_close_args *ap; | |
2283 | { | |
2284 | USES_VOP_SETATTR; | |
d40530c6 KM |
2285 | register struct vnode *vp = ap->a_vp; |
2286 | register struct nfsnode *np = VTONFS(vp); | |
9b61ab4a KM |
2287 | struct vattr vattr; |
2288 | extern int (**fifo_vnodeop_p)(); | |
2289 | ||
2290 | if (np->n_flag & (NACC | NUPD)) { | |
2291 | if (np->n_flag & NACC) | |
2292 | np->n_atim = time; | |
2293 | if (np->n_flag & NUPD) | |
2294 | np->n_mtim = time; | |
2295 | np->n_flag |= NCHG; | |
d40530c6 KM |
2296 | if (vp->v_usecount == 1 && |
2297 | (vp->v_mount->mnt_flag & MNT_RDONLY) == 0) { | |
9b61ab4a | 2298 | VATTR_NULL(&vattr); |
7e11a0c9 KM |
2299 | if (np->n_flag & NACC) { |
2300 | vattr.va_atime.ts_sec = np->n_atim.tv_sec; | |
2301 | vattr.va_atime.ts_nsec = | |
2302 | np->n_atim.tv_usec * 1000; | |
2303 | } | |
2304 | if (np->n_flag & NUPD) { | |
2305 | vattr.va_mtime.ts_sec = np->n_mtim.tv_sec; | |
2306 | vattr.va_mtime.ts_nsec = | |
2307 | np->n_mtim.tv_usec * 1000; | |
2308 | } | |
d40530c6 | 2309 | (void)VOP_SETATTR(vp, &vattr, ap->a_cred, ap->a_p); |
9b61ab4a KM |
2310 | } |
2311 | } | |
2312 | return (VOCALL(fifo_vnodeop_p, VOFFSET(vop_close), ap)); | |
2313 | } | |
2314 | #endif /* FIFO */ |