1 /*-
2 * Coda: an Experimental Distributed File System
3 * Release 3.1
4 *
5 * Copyright (c) 1987-1998 Carnegie Mellon University
6 * All Rights Reserved
7 *
8 * Permission to use, copy, modify and distribute this software and its
9 * documentation is hereby granted, provided that both the copyright
10 * notice and this permission notice appear in all copies of the
11 * software, derivative works or modified versions, and any portions
12 * thereof, and that both notices appear in supporting documentation, and
13 * that credit is given to Carnegie Mellon University in all documents
14 * and publicity pertaining to direct or indirect use of this code or its
15 * derivatives.
16 *
17 * CODA IS AN EXPERIMENTAL SOFTWARE SYSTEM AND IS KNOWN TO HAVE BUGS,
18 * SOME OF WHICH MAY HAVE SERIOUS CONSEQUENCES. CARNEGIE MELLON ALLOWS
19 * FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON
20 * DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER
21 * RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE OR OF
22 * ANY DERIVATIVE WORK.
23 *
24 * Carnegie Mellon encourages users of this software to return any
25 * improvements or extensions that they make, and to grant Carnegie
26 * Mellon the rights to redistribute these changes without encumbrance.
27 *
28 * @(#) src/sys/cfs/coda_venus.c,v 1.1.1.1 1998/08/29 21:14:52 rvb Exp $
29 */
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/fcntl.h>
37 #include <sys/ioccom.h>
38 #include <sys/lock.h>
39 #include <sys/malloc.h>
40 #include <sys/mutex.h>
41 #include <sys/proc.h>
42 #include <sys/sx.h>
43
44 #include <fs/coda/coda.h>
45 #include <fs/coda/cnode.h>
46 #include <fs/coda/coda_venus.h>
47 #include <fs/coda/coda_pioctl.h>
48
49 #define DECL_NO_IN(name) \
50 struct coda_in_hdr *inp; \
51 struct name ## _out *outp; \
52 int name ## _size = sizeof (struct coda_in_hdr); \
53 int Isize = sizeof (struct coda_in_hdr); \
54 int Osize = sizeof (struct name ## _out); \
55 int error
56
57 #define DECL(name) \
58 struct name ## _in *inp; \
59 struct name ## _out *outp; \
60 int name ## _size = sizeof (struct name ## _in); \
61 int Isize = sizeof (struct name ## _in); \
62 int Osize = sizeof (struct name ## _out); \
63 int error
64
65 #define DECL_NO_OUT(name) \
66 struct name ## _in *inp; \
67 struct coda_out_hdr *outp; \
68 int name ## _size = sizeof (struct name ## _in); \
69 int Isize = sizeof (struct name ## _in); \
70 int Osize = sizeof (struct coda_out_hdr); \
71 int error
72
73 #define ALLOC_NO_IN(name) \
74 if (Osize > name ## _size) \
75 name ## _size = Osize; \
76 CODA_ALLOC(inp, struct coda_in_hdr *, name ## _size); \
77 outp = (struct name ## _out *) inp
78
79 #define ALLOC(name) \
80 if (Osize > name ## _size) \
81 name ## _size = Osize; \
82 CODA_ALLOC(inp, struct name ## _in *, name ## _size); \
83 outp = (struct name ## _out *) inp
84
85 #define ALLOC_NO_OUT(name) \
86 if (Osize > name ## _size) \
87 name ## _size = Osize; \
88 CODA_ALLOC(inp, struct name ## _in *, name ## _size); \
89 outp = (struct coda_out_hdr *) inp
90
91 #define STRCPY(struc, name, len) \
92 bcopy(name, (char *)inp + (int)inp->struc, len); \
93 ((char*)inp + (int)inp->struc)[len++] = 0; \
94 Isize += len
95
96 #ifdef CODA_COMPAT_5
97 #define INIT_IN(in, op, ident, p) do { \
98 (in)->opcode = (op); \
99 sx_slock(&proctree_lock); \
100 (in)->pid = p ? p->p_pid : -1; \
101 (in)->pgid = p ? p->p_pgid : -1; \
102 (in)->sid = (p && p->p_session && p->p_session->s_leader) ? \
103 (p->p_session->s_leader->p_pid) : -1; \
104 sx_sunlock(&proctree_lock); \
105 if (ident != NOCRED) { \
106 (in)->cred.cr_uid = ident->cr_uid; \
107 (in)->cred.cr_groupid = ident->cr_gid; \
108 } else { \
109 bzero(&((in)->cred),sizeof(struct coda_cred)); \
110 (in)->cred.cr_uid = -1; \
111 (in)->cred.cr_groupid = -1; \
112 } \
113 } while (0)
114 #else
115 #define INIT_IN(in, op, ident, p) do { \
116 (in)->opcode = (op); \
117 (in)->pid = p ? p->p_pid : -1; \
118 (in)->pgid = p ? p->p_pgid : -1; \
119 if (ident != NOCRED) \
120 (in)->uid = ident->cr_uid; \
121 else \
122 (in)->uid = -1; \
123 } while (0)
124 #endif
125
126 #define CNV_OFLAG(to, from) do { \
127 to = 0; \
128 if (from & FREAD) to |= C_O_READ; \
129 if (from & FWRITE) to |= C_O_WRITE; \
130 if (from & O_TRUNC) to |= C_O_TRUNC; \
131 if (from & O_EXCL) to |= C_O_EXCL; \
132 if (from & O_CREAT) to |= C_O_CREAT; \
133 } while (0)
134
135 #define CNV_VV2V_ATTR(top, fromp) do { \
136 (top)->va_type = (fromp)->va_type; \
137 (top)->va_mode = (fromp)->va_mode; \
138 (top)->va_nlink = (fromp)->va_nlink; \
139 (top)->va_uid = (fromp)->va_uid; \
140 (top)->va_gid = (fromp)->va_gid; \
141 (top)->va_fsid = VNOVAL; \
142 (top)->va_fileid = (fromp)->va_fileid; \
143 (top)->va_size = (fromp)->va_size; \
144 (top)->va_blocksize = (fromp)->va_blocksize; \
145 (top)->va_atime = (fromp)->va_atime; \
146 (top)->va_mtime = (fromp)->va_mtime; \
147 (top)->va_ctime = (fromp)->va_ctime; \
148 (top)->va_gen = (fromp)->va_gen; \
149 (top)->va_flags = (fromp)->va_flags; \
150 (top)->va_rdev = (fromp)->va_rdev; \
151 (top)->va_bytes = (fromp)->va_bytes; \
152 (top)->va_filerev = (fromp)->va_filerev; \
153 (top)->va_vaflags = VNOVAL; \
154 (top)->va_spare = VNOVAL; \
155 } while (0)
156
157 #define CNV_V2VV_ATTR(top, fromp) do { \
158 (top)->va_type = (fromp)->va_type; \
159 (top)->va_mode = (fromp)->va_mode; \
160 (top)->va_nlink = (fromp)->va_nlink; \
161 (top)->va_uid = (fromp)->va_uid; \
162 (top)->va_gid = (fromp)->va_gid; \
163 (top)->va_fileid = (fromp)->va_fileid; \
164 (top)->va_size = (fromp)->va_size; \
165 (top)->va_blocksize = (fromp)->va_blocksize; \
166 (top)->va_atime = (fromp)->va_atime; \
167 (top)->va_mtime = (fromp)->va_mtime; \
168 (top)->va_ctime = (fromp)->va_ctime; \
169 (top)->va_gen = (fromp)->va_gen; \
170 (top)->va_flags = (fromp)->va_flags; \
171 (top)->va_rdev = (fromp)->va_rdev; \
172 (top)->va_bytes = (fromp)->va_bytes; \
173 (top)->va_filerev = (fromp)->va_filerev; \
174 } while (0)
175
176 int coda_kernel_version = CODA_KERNEL_VERSION;
177
178 int
179 venus_root(void *mdp, struct ucred *cred, struct proc *p,
180 /*out*/ CodaFid *VFid)
181 {
182 DECL_NO_IN(coda_root); /* sets Isize & Osize */
183 ALLOC_NO_IN(coda_root); /* sets inp & outp */
184
185 /* send the open to venus. */
186 INIT_IN(inp, CODA_ROOT, cred, p);
187
188 error = coda_call(mdp, Isize, &Osize, (char *)inp);
189 if (!error)
190 *VFid = outp->Fid;
191
192 CODA_FREE(inp, coda_root_size);
193 return (error);
194 }
195
196 int
197 venus_open(void *mdp, CodaFid *fid, int flag, struct ucred *cred,
198 struct proc *p, /*out*/ struct vnode **vp)
199 {
200 int cflag;
201 DECL(coda_open_by_fd); /* sets Isize & Osize */
202 ALLOC(coda_open_by_fd); /* sets inp & outp */
203
204 /* send the open to venus. */
205 INIT_IN(&inp->ih, CODA_OPEN_BY_FD, cred, p);
206 inp->Fid = *fid;
207 CNV_OFLAG(cflag, flag);
208 inp->flags = cflag;
209
210 error = coda_call(mdp, Isize, &Osize, (char *)inp);
211 *vp = error ? NULL : outp->vp;
212
213 CODA_FREE(inp, coda_open_by_fd_size);
214 return (error);
215 }
216
217 int
218 venus_close(void *mdp, CodaFid *fid, int flag, struct ucred *cred,
219 struct proc *p)
220 {
221 int cflag;
222 DECL_NO_OUT(coda_close); /* sets Isize & Osize */
223 ALLOC_NO_OUT(coda_close); /* sets inp & outp */
224
225 INIT_IN(&inp->ih, CODA_CLOSE, cred, p);
226 inp->Fid = *fid;
227 CNV_OFLAG(cflag, flag);
228 inp->flags = cflag;
229
230 error = coda_call(mdp, Isize, &Osize, (char *)inp);
231
232 CODA_FREE(inp, coda_close_size);
233 return (error);
234 }
235
236 /*
237 * These two calls will not exist!!! The container file is read/written
238 * directly.
239 */
240 void
241 venus_read(void)
242 {
243 }
244
245 void
246 venus_write(void)
247 {
248 }
249
250 /*
251 * This is a bit sad too. the ioctl's are for the control file, not for
252 * normal files.
253 */
254 int
255 venus_ioctl(void *mdp, CodaFid *fid, int com, int flag, caddr_t data,
256 struct ucred *cred, struct proc *p)
257 {
258 DECL(coda_ioctl); /* sets Isize & Osize */
259 struct PioctlData *iap = (struct PioctlData *)data;
260 int tmp;
261
262 coda_ioctl_size = VC_MAXMSGSIZE;
263 ALLOC(coda_ioctl); /* sets inp & outp */
264
265 INIT_IN(&inp->ih, CODA_IOCTL, cred, p);
266 inp->Fid = *fid;
267
268 /*
269 * Command was mutated by increasing its size field to reflect the
270 * path and follow args. we need to subtract that out before sending
271 * the command to venus.
272 */
273 inp->cmd = (com & ~(IOCPARM_MASK << 16));
274 tmp = ((com >> 16) & IOCPARM_MASK) - sizeof (char *) - sizeof (int);
275 inp->cmd |= (tmp & IOCPARM_MASK) << 16;
276
277 inp->rwflag = flag;
278 inp->len = iap->vi.in_size;
279 inp->data = (char *)(sizeof (struct coda_ioctl_in));
280
281 error = copyin(iap->vi.in, (char*)inp + (long)inp->data,
282 iap->vi.in_size);
283 if (error) {
284 CODA_FREE(inp, coda_ioctl_size);
285 return (error);
286 }
287
288 Osize = VC_MAXMSGSIZE;
289 error = coda_call(mdp, Isize + iap->vi.in_size, &Osize, (char *)inp);
290
291 /*
292 * Copy out the out buffer.
293 */
294 if (!error) {
295 if (outp->len > iap->vi.out_size)
296 error = EINVAL;
297 else
298 error = copyout((char *)outp + (long)outp->data,
299 iap->vi.out, iap->vi.out_size);
300 }
301
302 CODA_FREE(inp, coda_ioctl_size);
303 return (error);
304 }
305
306 int
307 venus_getattr(void *mdp, CodaFid *fid, struct ucred *cred, struct proc *p,
308 /*out*/ struct vattr *vap)
309 {
310 DECL(coda_getattr); /* sets Isize & Osize */
311 ALLOC(coda_getattr); /* sets inp & outp */
312
313 /*
314 * Send the open to venus.
315 */
316 INIT_IN(&inp->ih, CODA_GETATTR, cred, p);
317 inp->Fid = *fid;
318
319 error = coda_call(mdp, Isize, &Osize, (char *)inp);
320 if (!error)
321 CNV_VV2V_ATTR(vap, &outp->attr);
322
323 CODA_FREE(inp, coda_getattr_size);
324 return (error);
325 }
326
327 int
328 venus_setattr(void *mdp, CodaFid *fid, struct vattr *vap, struct ucred *cred,
329 struct proc *p)
330 {
331 DECL_NO_OUT(coda_setattr); /* sets Isize & Osize */
332 ALLOC_NO_OUT(coda_setattr); /* sets inp & outp */
333
334 /*
335 * Send the open to venus.
336 */
337 INIT_IN(&inp->ih, CODA_SETATTR, cred, p);
338 inp->Fid = *fid;
339 CNV_V2VV_ATTR(&inp->attr, vap);
340
341 error = coda_call(mdp, Isize, &Osize, (char *)inp);
342
343 CODA_FREE(inp, coda_setattr_size);
344 return (error);
345 }
346
347 int
348 venus_access(void *mdp, CodaFid *fid, int mode, struct ucred *cred,
349 struct proc *p)
350 {
351 DECL_NO_OUT(coda_access); /* sets Isize & Osize */
352 ALLOC_NO_OUT(coda_access); /* sets inp & outp */
353
354 /*
355 * Send the open to venus.
356 */
357 INIT_IN(&inp->ih, CODA_ACCESS, cred, p);
358 inp->Fid = *fid;
359
360 /*
361 * NOTE: FreeBSD and Venus internals use the "data" in the low 3
362 * bits. Hence, the conversion.
363 */
364 inp->flags = mode>>6;
365
366 error = coda_call(mdp, Isize, &Osize, (char *)inp);
367
368 CODA_FREE(inp, coda_access_size);
369 return (error);
370 }
371
372 int
373 venus_readlink(void *mdp, CodaFid *fid, struct ucred *cred, struct proc *p,
374 /*out*/ char **str, int *len)
375 {
376 DECL(coda_readlink); /* sets Isize & Osize */
377 coda_readlink_size += CODA_MAXPATHLEN;
378 ALLOC(coda_readlink); /* sets inp & outp */
379
380 /*
381 * Send the open to venus.
382 */
383 INIT_IN(&inp->ih, CODA_READLINK, cred, p);
384 inp->Fid = *fid;
385
386 Osize += CODA_MAXPATHLEN;
387 error = coda_call(mdp, Isize, &Osize, (char *)inp);
388 if (!error) {
389 CODA_ALLOC(*str, char *, outp->count);
390 *len = outp->count;
391 bcopy((char *)outp + (long)outp->data, *str, *len);
392 }
393
394 CODA_FREE(inp, coda_readlink_size);
395 return (error);
396 }
397
398 int
399 venus_fsync(void *mdp, CodaFid *fid, struct proc *p)
400 {
401 DECL_NO_OUT(coda_fsync); /* sets Isize & Osize */
402 ALLOC_NO_OUT(coda_fsync); /* sets inp & outp */
403
404 /*
405 * Send the open to venus.
406 *
407 * XXX: should be cached mount cred.
408 */
409 INIT_IN(&inp->ih, CODA_FSYNC, NOCRED, p);
410 inp->Fid = *fid;
411
412 error = coda_call(mdp, Isize, &Osize, (char *)inp);
413
414 CODA_FREE(inp, coda_fsync_size);
415 return (error);
416 }
417
418 int
419 venus_lookup(void *mdp, CodaFid *fid, const char *nm, int len,
420 struct ucred *cred, struct proc *p, /*out*/ CodaFid *VFid, int *vtype)
421 {
422 DECL(coda_lookup); /* sets Isize & Osize */
423 coda_lookup_size += len + 1;
424 ALLOC(coda_lookup); /* sets inp & outp */
425
426 /*
427 * Send the open to venus.
428 */
429 INIT_IN(&inp->ih, CODA_LOOKUP, cred, p);
430 inp->Fid = *fid;
431
432 /*
433 * NOTE: Between version 1 and version 2 we have added an extra flag
434 * field to this structure. But because the string was at the end
435 * and because of the wierd way we represent strings by having the
436 * slot point to where the string characters are in the "heap", we
437 * can just slip the flag parameter in after the string slot pointer
438 * and veni that don't know better won't see this new flag field ...
439 * Otherwise we'd need two different venus_lookup functions.
440 */
441 inp->name = Isize;
442 inp->flags = CLU_CASE_SENSITIVE; /* doesn't really matter for BSD */
443 STRCPY(name, nm, len); /* increments Isize */
444
445 error = coda_call(mdp, Isize, &Osize, (char *)inp);
446 if (!error) {
447 *VFid = outp->Fid;
448 *vtype = outp->vtype;
449 }
450
451 CODA_FREE(inp, coda_lookup_size);
452 return (error);
453 }
454
455 int
456 venus_create(void *mdp, CodaFid *fid, const char *nm, int len, int exclusive,
457 int mode, struct vattr *va, struct ucred *cred, struct proc *p,
458 /*out*/ CodaFid *VFid, struct vattr *attr)
459 {
460 DECL(coda_create); /* sets Isize & Osize */
461 coda_create_size += len + 1;
462 ALLOC(coda_create); /* sets inp & outp */
463
464 /*
465 * Send the open to venus.
466 */
467 INIT_IN(&inp->ih, CODA_CREATE, cred, p);
468 inp->Fid = *fid;
469 inp->excl = exclusive ? C_O_EXCL : 0;
470 inp->mode = mode;
471 CNV_V2VV_ATTR(&inp->attr, va);
472
473 inp->name = Isize;
474 STRCPY(name, nm, len); /* increments Isize */
475
476 error = coda_call(mdp, Isize, &Osize, (char *)inp);
477 if (!error) {
478 *VFid = outp->Fid;
479 CNV_VV2V_ATTR(attr, &outp->attr);
480 }
481
482 CODA_FREE(inp, coda_create_size);
483 return (error);
484 }
485
486 int
487 venus_remove(void *mdp, CodaFid *fid, const char *nm, int len,
488 struct ucred *cred, struct proc *p)
489 {
490 DECL_NO_OUT(coda_remove); /* sets Isize & Osize */
491 coda_remove_size += len + 1;
492 ALLOC_NO_OUT(coda_remove); /* sets inp & outp */
493
494 /*
495 * Send the open to venus.
496 */
497 INIT_IN(&inp->ih, CODA_REMOVE, cred, p);
498 inp->Fid = *fid;
499
500 inp->name = Isize;
501 STRCPY(name, nm, len); /* increments Isize */
502
503 error = coda_call(mdp, Isize, &Osize, (char *)inp);
504
505 CODA_FREE(inp, coda_remove_size);
506 return (error);
507 }
508
509 int
510 venus_link(void *mdp, CodaFid *fid, CodaFid *tfid, const char *nm, int len,
511 struct ucred *cred, struct proc *p)
512 {
513 DECL_NO_OUT(coda_link); /* sets Isize & Osize */
514 coda_link_size += len + 1;
515 ALLOC_NO_OUT(coda_link); /* sets inp & outp */
516
517 /*
518 * Send the open to venus.
519 */
520 INIT_IN(&inp->ih, CODA_LINK, cred, p);
521 inp->sourceFid = *fid;
522 inp->destFid = *tfid;
523
524 inp->tname = Isize;
525 STRCPY(tname, nm, len); /* increments Isize */
526
527 error = coda_call(mdp, Isize, &Osize, (char *)inp);
528
529 CODA_FREE(inp, coda_link_size);
530 return (error);
531 }
532
533 int
534 venus_rename(void *mdp, CodaFid *fid, CodaFid *tfid, const char *nm, int len,
535 const char *tnm, int tlen, struct ucred *cred, struct proc *p)
536 {
537 DECL_NO_OUT(coda_rename); /* sets Isize & Osize */
538 coda_rename_size += len + 1 + tlen + 1;
539 ALLOC_NO_OUT(coda_rename); /* sets inp & outp */
540
541 /*
542 * Send the open to venus.
543 */
544 INIT_IN(&inp->ih, CODA_RENAME, cred, p);
545 inp->sourceFid = *fid;
546 inp->destFid = *tfid;
547
548 inp->srcname = Isize;
549 STRCPY(srcname, nm, len); /* increments Isize */
550
551 inp->destname = Isize;
552 STRCPY(destname, tnm, tlen); /* increments Isize */
553
554 error = coda_call(mdp, Isize, &Osize, (char *)inp);
555
556 CODA_FREE(inp, coda_rename_size);
557 return (error);
558 }
559
560 int
561 venus_mkdir(void *mdp, CodaFid *fid, const char *nm, int len,
562 struct vattr *va, struct ucred *cred, struct proc *p,
563 /*out*/ CodaFid *VFid, struct vattr *ova)
564 {
565 DECL(coda_mkdir); /* sets Isize & Osize */
566 coda_mkdir_size += len + 1;
567 ALLOC(coda_mkdir); /* sets inp & outp */
568
569 /*
570 * Send the open to venus.
571 */
572 INIT_IN(&inp->ih, CODA_MKDIR, cred, p);
573 inp->Fid = *fid;
574 CNV_V2VV_ATTR(&inp->attr, va);
575
576 inp->name = Isize;
577 STRCPY(name, nm, len); /* increments Isize */
578
579 error = coda_call(mdp, Isize, &Osize, (char *)inp);
580 if (!error) {
581 *VFid = outp->Fid;
582 CNV_VV2V_ATTR(ova, &outp->attr);
583 }
584
585 CODA_FREE(inp, coda_mkdir_size);
586 return (error);
587 }
588
589 int
590 venus_rmdir(void *mdp, CodaFid *fid, const char *nm, int len,
591 struct ucred *cred, struct proc *p)
592 {
593 DECL_NO_OUT(coda_rmdir); /* sets Isize & Osize */
594 coda_rmdir_size += len + 1;
595 ALLOC_NO_OUT(coda_rmdir); /* sets inp & outp */
596
597 /*
598 * Send the open to venus.
599 */
600 INIT_IN(&inp->ih, CODA_RMDIR, cred, p);
601 inp->Fid = *fid;
602
603 inp->name = Isize;
604 STRCPY(name, nm, len); /* increments Isize */
605
606 error = coda_call(mdp, Isize, &Osize, (char *)inp);
607
608 CODA_FREE(inp, coda_rmdir_size);
609 return (error);
610 }
611
612 int
613 venus_symlink(void *mdp, CodaFid *fid, const char *lnm, int llen,
614 const char *nm, int len, struct vattr *va, struct ucred *cred,
615 struct proc *p)
616 {
617 DECL_NO_OUT(coda_symlink); /* sets Isize & Osize */
618 coda_symlink_size += llen + 1 + len + 1;
619 ALLOC_NO_OUT(coda_symlink); /* sets inp & outp */
620
621 /*
622 * Send the open to venus.
623 */
624 INIT_IN(&inp->ih, CODA_SYMLINK, cred, p);
625 inp->Fid = *fid;
626 CNV_V2VV_ATTR(&inp->attr, va);
627
628 inp->srcname = Isize;
629 STRCPY(srcname, lnm, llen); /* increments Isize */
630
631 inp->tname = Isize;
632 STRCPY(tname, nm, len); /* increments Isize */
633
634 error = coda_call(mdp, Isize, &Osize, (char *)inp);
635
636 CODA_FREE(inp, coda_symlink_size);
637 return (error);
638 }
639
640 /*
641 * XXX: Unused.
642 */
643 int
644 venus_readdir(void *mdp, CodaFid *fid, int count, int offset,
645 struct ucred *cred, struct proc *p, /*out*/ char *buffer, int *len)
646 {
647 DECL(coda_readdir); /* sets Isize & Osize */
648 coda_readdir_size = VC_MAXMSGSIZE;
649 ALLOC(coda_readdir); /* sets inp & outp */
650
651 /*
652 * Send the open to venus.
653 */
654 INIT_IN(&inp->ih, CODA_READDIR, cred, p);
655 inp->Fid = *fid;
656 inp->count = count;
657 inp->offset = offset;
658
659 Osize = VC_MAXMSGSIZE;
660 error = coda_call(mdp, Isize, &Osize, (char *)inp);
661 if (!error) {
662 bcopy((char *)outp + (long)outp->data, buffer, outp->size);
663 *len = outp->size;
664 }
665
666 CODA_FREE(inp, coda_readdir_size);
667 return (error);
668 }
669
670 int
671 venus_fhtovp(void *mdp, CodaFid *fid, struct ucred *cred, struct proc *p,
672 /*out*/ CodaFid *VFid, int *vtype)
673 {
674 DECL(coda_vget); /* sets Isize & Osize */
675 ALLOC(coda_vget); /* sets inp & outp */
676
677 /*
678 * Send the open to Venus.
679 */
680 INIT_IN(&inp->ih, CODA_VGET, cred, p);
681 inp->Fid = *fid;
682
683 error = coda_call(mdp, Isize, &Osize, (char *)inp);
684 if (!error) {
685 *VFid = outp->Fid;
686 *vtype = outp->vtype;
687 }
688
689 CODA_FREE(inp, coda_vget_size);
690 return (error);
691 }
Cache object: 1b044b6422d3918e2a966f74ace5e083
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