coda_venus.c revision 1.8
1 /* $NetBSD: coda_venus.c,v 1.8 2001/07/18 16:12:31 thorpej Exp $ */ 2 3 /* 4 * 5 * Coda: an Experimental Distributed File System 6 * Release 3.1 7 * 8 * Copyright (c) 1987-1998 Carnegie Mellon University 9 * All Rights Reserved 10 * 11 * Permission to use, copy, modify and distribute this software and its 12 * documentation is hereby granted, provided that both the copyright 13 * notice and this permission notice appear in all copies of the 14 * software, derivative works or modified versions, and any portions 15 * thereof, and that both notices appear in supporting documentation, and 16 * that credit is given to Carnegie Mellon University in all documents 17 * and publicity pertaining to direct or indirect use of this code or its 18 * derivatives. 19 * 20 * CODA IS AN EXPERIMENTAL SOFTWARE SYSTEM AND IS KNOWN TO HAVE BUGS, 21 * SOME OF WHICH MAY HAVE SERIOUS CONSEQUENCES. CARNEGIE MELLON ALLOWS 22 * FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON 23 * DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER 24 * RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE OR OF 25 * ANY DERIVATIVE WORK. 26 * 27 * Carnegie Mellon encourages users of this software to return any 28 * improvements or extensions that they make, and to grant Carnegie 29 * Mellon the rights to redistribute these changes without encumbrance. 30 * 31 * @(#) coda/coda_venus.c,v 1.1.1.1 1998/08/29 21:26:45 rvb Exp $ 32 */ 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/malloc.h> 37 #include <sys/proc.h> 38 #include <sys/select.h> 39 #include <sys/ioctl.h> 40 /* for CNV_OFLAGS below */ 41 #include <sys/fcntl.h> 42 43 #include <coda/coda.h> 44 #include <coda/cnode.h> 45 #include <coda/coda_venus.h> 46 #include <coda/coda_pioctl.h> 47 48 #define DECL_NO_IN(name) \ 49 struct coda_in_hdr *inp; \ 50 struct name ## _out *outp; \ 51 int name ## _size = sizeof (struct coda_in_hdr); \ 52 int Isize = sizeof (struct coda_in_hdr); \ 53 int Osize = sizeof (struct name ## _out); \ 54 int error 55 56 #define DECL(name) \ 57 struct name ## _in *inp; \ 58 struct name ## _out *outp; \ 59 int name ## _size = sizeof (struct name ## _in); \ 60 int Isize = sizeof (struct name ## _in); \ 61 int Osize = sizeof (struct name ## _out); \ 62 int error 63 64 #define DECL_NO_OUT(name) \ 65 struct name ## _in *inp; \ 66 struct coda_out_hdr *outp; \ 67 int name ## _size = sizeof (struct name ## _in); \ 68 int Isize = sizeof (struct name ## _in); \ 69 int Osize = sizeof (struct coda_out_hdr); \ 70 int error 71 72 #define ALLOC_NO_IN(name) \ 73 if (Osize > name ## _size) \ 74 name ## _size = Osize; \ 75 CODA_ALLOC(inp, struct coda_in_hdr *, name ## _size);\ 76 outp = (struct name ## _out *) inp 77 78 #define ALLOC(name) \ 79 if (Osize > name ## _size) \ 80 name ## _size = Osize; \ 81 CODA_ALLOC(inp, struct name ## _in *, name ## _size);\ 82 outp = (struct name ## _out *) inp 83 84 #define ALLOC_NO_OUT(name) \ 85 if (Osize > name ## _size) \ 86 name ## _size = Osize; \ 87 CODA_ALLOC(inp, struct name ## _in *, name ## _size);\ 88 outp = (struct coda_out_hdr *) inp 89 90 #define STRCPY(struc, name, len) \ 91 bcopy(name, (char *)inp + (int)inp->struc, len); \ 92 ((char*)inp + (int)inp->struc)[len++] = 0; \ 93 Isize += len 94 95 #define INIT_IN(in, op, ident, p) \ 96 (in)->opcode = (op); \ 97 (in)->pid = p ? p->p_pid : -1; \ 98 (in)->pgid = p ? p->p_pgid : -1; \ 99 (in)->sid = (p && p->p_session && p->p_session->s_leader) ? (p->p_session->s_leader->p_pid) : -1; \ 100 if (ident != NOCRED) { \ 101 (in)->cred.cr_uid = ident->cr_uid; \ 102 (in)->cred.cr_groupid = ident->cr_gid; \ 103 } else { \ 104 memset(&((in)->cred), 0, sizeof(struct coda_cred)); \ 105 (in)->cred.cr_uid = -1; \ 106 (in)->cred.cr_groupid = -1; \ 107 } \ 108 109 #define CNV_OFLAG(to, from) \ 110 do { \ 111 to = 0; \ 112 if (from & FREAD) to |= C_O_READ; \ 113 if (from & FWRITE) to |= C_O_WRITE; \ 114 if (from & O_TRUNC) to |= C_O_TRUNC; \ 115 if (from & O_EXCL) to |= C_O_EXCL; \ 116 if (from & O_CREAT) to |= C_O_CREAT; \ 117 } while (0) 118 119 #define CNV_VV2V_ATTR(top, fromp) \ 120 do { \ 121 (top)->va_type = (fromp)->va_type; \ 122 (top)->va_mode = (fromp)->va_mode; \ 123 (top)->va_nlink = (fromp)->va_nlink; \ 124 (top)->va_uid = (fromp)->va_uid; \ 125 (top)->va_gid = (fromp)->va_gid; \ 126 (top)->va_fsid = VNOVAL; \ 127 (top)->va_fileid = (fromp)->va_fileid; \ 128 (top)->va_size = (fromp)->va_size; \ 129 (top)->va_blocksize = (fromp)->va_blocksize; \ 130 (top)->va_atime = (fromp)->va_atime; \ 131 (top)->va_mtime = (fromp)->va_mtime; \ 132 (top)->va_ctime = (fromp)->va_ctime; \ 133 (top)->va_gen = (fromp)->va_gen; \ 134 (top)->va_flags = (fromp)->va_flags; \ 135 (top)->va_rdev = (fromp)->va_rdev; \ 136 (top)->va_bytes = (fromp)->va_bytes; \ 137 (top)->va_filerev = (fromp)->va_filerev; \ 138 (top)->va_vaflags = VNOVAL; \ 139 (top)->va_spare = VNOVAL; \ 140 } while (0) 141 142 #define CNV_V2VV_ATTR(top, fromp) \ 143 do { \ 144 (top)->va_type = (fromp)->va_type; \ 145 (top)->va_mode = (fromp)->va_mode; \ 146 (top)->va_nlink = (fromp)->va_nlink; \ 147 (top)->va_uid = (fromp)->va_uid; \ 148 (top)->va_gid = (fromp)->va_gid; \ 149 (top)->va_fileid = (fromp)->va_fileid; \ 150 (top)->va_size = (fromp)->va_size; \ 151 (top)->va_blocksize = (fromp)->va_blocksize; \ 152 (top)->va_atime = (fromp)->va_atime; \ 153 (top)->va_mtime = (fromp)->va_mtime; \ 154 (top)->va_ctime = (fromp)->va_ctime; \ 155 (top)->va_gen = (fromp)->va_gen; \ 156 (top)->va_flags = (fromp)->va_flags; \ 157 (top)->va_rdev = (fromp)->va_rdev; \ 158 (top)->va_bytes = (fromp)->va_bytes; \ 159 (top)->va_filerev = (fromp)->va_filerev; \ 160 } while (0) 161 162 163 int coda_kernel_version = CODA_KERNEL_VERSION; 164 165 int 166 venus_root(void *mdp, 167 struct ucred *cred, struct proc *p, 168 /*out*/ ViceFid *VFid) 169 { 170 DECL_NO_IN(coda_root); /* sets Isize & Osize */ 171 ALLOC_NO_IN(coda_root); /* sets inp & outp */ 172 173 /* send the open to venus. */ 174 INIT_IN(inp, CODA_ROOT, cred, p); 175 176 error = coda_call(mdp, Isize, &Osize, (char *)inp); 177 if (!error) 178 *VFid = outp->VFid; 179 180 CODA_FREE(inp, coda_root_size); 181 return error; 182 } 183 184 int 185 venus_open(void *mdp, ViceFid *fid, int flag, 186 struct ucred *cred, struct proc *p, 187 /*out*/ dev_t *dev, ino_t *inode) 188 { 189 int cflag; 190 DECL(coda_open); /* sets Isize & Osize */ 191 ALLOC(coda_open); /* sets inp & outp */ 192 193 /* send the open to venus. */ 194 INIT_IN(&inp->ih, CODA_OPEN, cred, p); 195 inp->VFid = *fid; 196 CNV_OFLAG(cflag, flag); 197 inp->flags = cflag; 198 199 error = coda_call(mdp, Isize, &Osize, (char *)inp); 200 if (!error) { 201 *dev = outp->dev; 202 *inode = outp->inode; 203 } 204 205 CODA_FREE(inp, coda_open_size); 206 return error; 207 } 208 209 int 210 venus_close(void *mdp, ViceFid *fid, int flag, 211 struct ucred *cred, struct proc *p) 212 { 213 int cflag; 214 DECL_NO_OUT(coda_close); /* sets Isize & Osize */ 215 ALLOC_NO_OUT(coda_close); /* sets inp & outp */ 216 217 INIT_IN(&inp->ih, CODA_CLOSE, cred, p); 218 inp->VFid = *fid; 219 CNV_OFLAG(cflag, flag); 220 inp->flags = cflag; 221 222 error = coda_call(mdp, Isize, &Osize, (char *)inp); 223 224 CODA_FREE(inp, coda_close_size); 225 return error; 226 } 227 228 /* 229 * these two calls will not exist!!! the container file is read/written 230 * directly. 231 */ 232 void 233 venus_read(void) 234 { 235 } 236 237 void 238 venus_write(void) 239 { 240 } 241 242 /* 243 * this is a bit sad too. the ioctl's are for the control file, not for 244 * normal files. 245 */ 246 int 247 venus_ioctl(void *mdp, ViceFid *fid, 248 int com, int flag, caddr_t data, 249 struct ucred *cred, struct proc *p) 250 { 251 DECL(coda_ioctl); /* sets Isize & Osize */ 252 struct PioctlData *iap = (struct PioctlData *)data; 253 int tmp; 254 255 coda_ioctl_size = VC_MAXMSGSIZE; 256 ALLOC(coda_ioctl); /* sets inp & outp */ 257 258 INIT_IN(&inp->ih, CODA_IOCTL, cred, p); 259 inp->VFid = *fid; 260 261 /* command was mutated by increasing its size field to reflect the 262 * path and follow args. we need to subtract that out before sending 263 * the command to venus. 264 */ 265 inp->cmd = (com & ~(IOCPARM_MASK << 16)); 266 tmp = ((com >> 16) & IOCPARM_MASK) - sizeof (char *) - sizeof (int); 267 inp->cmd |= (tmp & IOCPARM_MASK) << 16; 268 269 inp->rwflag = flag; 270 inp->len = iap->vi.in_size; 271 inp->data = (char *)(sizeof (struct coda_ioctl_in)); 272 273 error = copyin(iap->vi.in, (char*)inp + (int)(long)inp->data, 274 iap->vi.in_size); 275 if (error) { 276 CODA_FREE(inp, coda_ioctl_size); 277 return(error); 278 } 279 280 Osize = VC_MAXMSGSIZE; 281 error = coda_call(mdp, Isize + iap->vi.in_size, &Osize, (char *)inp); 282 283 /* copy out the out buffer. */ 284 if (!error) { 285 if (outp->len > iap->vi.out_size) { 286 error = EINVAL; 287 } else { 288 error = copyout((char *)outp + (int)(long)outp->data, 289 iap->vi.out, iap->vi.out_size); 290 } 291 } 292 293 CODA_FREE(inp, coda_ioctl_size); 294 return error; 295 } 296 297 int 298 venus_getattr(void *mdp, ViceFid *fid, 299 struct ucred *cred, struct proc *p, 300 /*out*/ struct vattr *vap) 301 { 302 DECL(coda_getattr); /* sets Isize & Osize */ 303 ALLOC(coda_getattr); /* sets inp & outp */ 304 305 /* send the open to venus. */ 306 INIT_IN(&inp->ih, CODA_GETATTR, cred, p); 307 inp->VFid = *fid; 308 309 error = coda_call(mdp, Isize, &Osize, (char *)inp); 310 if (!error) { 311 CNV_VV2V_ATTR(vap, &outp->attr); 312 } 313 314 CODA_FREE(inp, coda_getattr_size); 315 return error; 316 } 317 318 int 319 venus_setattr(void *mdp, ViceFid *fid, struct vattr *vap, 320 struct ucred *cred, struct proc *p) 321 { 322 DECL_NO_OUT(coda_setattr); /* sets Isize & Osize */ 323 ALLOC_NO_OUT(coda_setattr); /* sets inp & outp */ 324 325 /* send the open to venus. */ 326 INIT_IN(&inp->ih, CODA_SETATTR, cred, p); 327 inp->VFid = *fid; 328 CNV_V2VV_ATTR(&inp->attr, vap); 329 330 error = coda_call(mdp, Isize, &Osize, (char *)inp); 331 332 CODA_FREE(inp, coda_setattr_size); 333 return error; 334 } 335 336 int 337 venus_access(void *mdp, ViceFid *fid, int mode, 338 struct ucred *cred, struct proc *p) 339 { 340 DECL_NO_OUT(coda_access); /* sets Isize & Osize */ 341 ALLOC_NO_OUT(coda_access); /* sets inp & outp */ 342 343 /* send the open to venus. */ 344 INIT_IN(&inp->ih, CODA_ACCESS, cred, p); 345 inp->VFid = *fid; 346 inp->flags = mode; 347 348 error = coda_call(mdp, Isize, &Osize, (char *)inp); 349 350 CODA_FREE(inp, coda_access_size); 351 return error; 352 } 353 354 int 355 venus_readlink(void *mdp, ViceFid *fid, 356 struct ucred *cred, struct proc *p, 357 /*out*/ char **str, int *len) 358 { 359 DECL(coda_readlink); /* sets Isize & Osize */ 360 coda_readlink_size += CODA_MAXPATHLEN; 361 ALLOC(coda_readlink); /* sets inp & outp */ 362 363 /* send the open to venus. */ 364 INIT_IN(&inp->ih, CODA_READLINK, cred, p); 365 inp->VFid = *fid; 366 367 Osize += CODA_MAXPATHLEN; 368 error = coda_call(mdp, Isize, &Osize, (char *)inp); 369 if (!error) { 370 CODA_ALLOC(*str, char *, outp->count); 371 *len = outp->count; 372 bcopy((char *)outp + (int)(long)outp->data, *str, *len); 373 } 374 375 CODA_FREE(inp, coda_readlink_size); 376 return error; 377 } 378 379 int 380 venus_fsync(void *mdp, ViceFid *fid, 381 struct ucred *cred, struct proc *p) 382 { 383 DECL_NO_OUT(coda_fsync); /* sets Isize & Osize */ 384 ALLOC_NO_OUT(coda_fsync); /* sets inp & outp */ 385 386 /* send the open to venus. */ 387 INIT_IN(&inp->ih, CODA_FSYNC, cred, p); 388 inp->VFid = *fid; 389 390 error = coda_call(mdp, Isize, &Osize, (char *)inp); 391 392 CODA_FREE(inp, coda_fsync_size); 393 return error; 394 } 395 396 int 397 venus_lookup(void *mdp, ViceFid *fid, 398 const char *nm, int len, 399 struct ucred *cred, struct proc *p, 400 /*out*/ ViceFid *VFid, int *vtype) 401 { 402 DECL(coda_lookup); /* sets Isize & Osize */ 403 coda_lookup_size += len + 1; 404 ALLOC(coda_lookup); /* sets inp & outp */ 405 406 /* send the open to venus. */ 407 INIT_IN(&inp->ih, CODA_LOOKUP, cred, p); 408 inp->VFid = *fid; 409 410 /* NOTE: 411 * Between version 1 and version 2 we have added an extra flag field 412 * to this structure. But because the string was at the end and because 413 * of the wierd way we represent strings by having the slot point to 414 * where the string characters are in the "heap", we can just slip the 415 * flag parameter in after the string slot pointer and veni that don't 416 * know better won't see this new flag field ... 417 * Otherwise we'd need two different venus_lookup functions. 418 */ 419 inp->name = Isize; 420 inp->flags = CLU_CASE_SENSITIVE; /* doesn't really matter for BSD */ 421 STRCPY(name, nm, len); /* increments Isize */ 422 423 error = coda_call(mdp, Isize, &Osize, (char *)inp); 424 if (!error) { 425 *VFid = outp->VFid; 426 *vtype = outp->vtype; 427 } 428 429 CODA_FREE(inp, coda_lookup_size); 430 return error; 431 } 432 433 int 434 venus_create(void *mdp, ViceFid *fid, 435 const char *nm, int len, int exclusive, int mode, struct vattr *va, 436 struct ucred *cred, struct proc *p, 437 /*out*/ ViceFid *VFid, struct vattr *attr) 438 { 439 DECL(coda_create); /* sets Isize & Osize */ 440 coda_create_size += len + 1; 441 ALLOC(coda_create); /* sets inp & outp */ 442 443 /* send the open to venus. */ 444 INIT_IN(&inp->ih, CODA_CREATE, cred, p); 445 inp->VFid = *fid; 446 inp->excl = exclusive ? C_O_EXCL : 0; 447 inp->mode = mode<<6; 448 CNV_V2VV_ATTR(&inp->attr, va); 449 450 inp->name = Isize; 451 STRCPY(name, nm, len); /* increments Isize */ 452 453 error = coda_call(mdp, Isize, &Osize, (char *)inp); 454 if (!error) { 455 *VFid = outp->VFid; 456 CNV_VV2V_ATTR(attr, &outp->attr); 457 } 458 459 CODA_FREE(inp, coda_create_size); 460 return error; 461 } 462 463 int 464 venus_remove(void *mdp, ViceFid *fid, 465 const char *nm, int len, 466 struct ucred *cred, struct proc *p) 467 { 468 DECL_NO_OUT(coda_remove); /* sets Isize & Osize */ 469 coda_remove_size += len + 1; 470 ALLOC_NO_OUT(coda_remove); /* sets inp & outp */ 471 472 /* send the open to venus. */ 473 INIT_IN(&inp->ih, CODA_REMOVE, cred, p); 474 inp->VFid = *fid; 475 476 inp->name = Isize; 477 STRCPY(name, nm, len); /* increments Isize */ 478 479 error = coda_call(mdp, Isize, &Osize, (char *)inp); 480 481 CODA_FREE(inp, coda_remove_size); 482 return error; 483 } 484 485 int 486 venus_link(void *mdp, ViceFid *fid, ViceFid *tfid, 487 const char *nm, int len, 488 struct ucred *cred, struct proc *p) 489 { 490 DECL_NO_OUT(coda_link); /* sets Isize & Osize */ 491 coda_link_size += len + 1; 492 ALLOC_NO_OUT(coda_link); /* sets inp & outp */ 493 494 /* send the open to venus. */ 495 INIT_IN(&inp->ih, CODA_LINK, cred, p); 496 inp->sourceFid = *fid; 497 inp->destFid = *tfid; 498 499 inp->tname = Isize; 500 STRCPY(tname, nm, len); /* increments Isize */ 501 502 error = coda_call(mdp, Isize, &Osize, (char *)inp); 503 504 CODA_FREE(inp, coda_link_size); 505 return error; 506 } 507 508 int 509 venus_rename(void *mdp, ViceFid *fid, ViceFid *tfid, 510 const char *nm, int len, const char *tnm, int tlen, 511 struct ucred *cred, struct proc *p) 512 { 513 DECL_NO_OUT(coda_rename); /* sets Isize & Osize */ 514 coda_rename_size += len + 1 + tlen + 1; 515 ALLOC_NO_OUT(coda_rename); /* sets inp & outp */ 516 517 /* send the open to venus. */ 518 INIT_IN(&inp->ih, CODA_RENAME, cred, p); 519 inp->sourceFid = *fid; 520 inp->destFid = *tfid; 521 522 inp->srcname = Isize; 523 STRCPY(srcname, nm, len); /* increments Isize */ 524 525 inp->destname = Isize; 526 STRCPY(destname, tnm, tlen); /* increments Isize */ 527 528 error = coda_call(mdp, Isize, &Osize, (char *)inp); 529 530 CODA_FREE(inp, coda_rename_size); 531 return error; 532 } 533 534 int 535 venus_mkdir(void *mdp, ViceFid *fid, 536 const char *nm, int len, struct vattr *va, 537 struct ucred *cred, struct proc *p, 538 /*out*/ ViceFid *VFid, struct vattr *ova) 539 { 540 DECL(coda_mkdir); /* sets Isize & Osize */ 541 coda_mkdir_size += len + 1; 542 ALLOC(coda_mkdir); /* sets inp & outp */ 543 544 /* send the open to venus. */ 545 INIT_IN(&inp->ih, CODA_MKDIR, cred, p); 546 inp->VFid = *fid; 547 CNV_V2VV_ATTR(&inp->attr, va); 548 549 inp->name = Isize; 550 STRCPY(name, nm, len); /* increments Isize */ 551 552 error = coda_call(mdp, Isize, &Osize, (char *)inp); 553 if (!error) { 554 *VFid = outp->VFid; 555 CNV_VV2V_ATTR(ova, &outp->attr); 556 } 557 558 CODA_FREE(inp, coda_mkdir_size); 559 return error; 560 } 561 562 int 563 venus_rmdir(void *mdp, ViceFid *fid, 564 const char *nm, int len, 565 struct ucred *cred, struct proc *p) 566 { 567 DECL_NO_OUT(coda_rmdir); /* sets Isize & Osize */ 568 coda_rmdir_size += len + 1; 569 ALLOC_NO_OUT(coda_rmdir); /* sets inp & outp */ 570 571 /* send the open to venus. */ 572 INIT_IN(&inp->ih, CODA_RMDIR, cred, p); 573 inp->VFid = *fid; 574 575 inp->name = Isize; 576 STRCPY(name, nm, len); /* increments Isize */ 577 578 error = coda_call(mdp, Isize, &Osize, (char *)inp); 579 580 CODA_FREE(inp, coda_rmdir_size); 581 return error; 582 } 583 584 int 585 venus_symlink(void *mdp, ViceFid *fid, 586 const char *lnm, int llen, const char *nm, int len, struct vattr *va, 587 struct ucred *cred, struct proc *p) 588 { 589 DECL_NO_OUT(coda_symlink); /* sets Isize & Osize */ 590 coda_symlink_size += llen + 1 + len + 1; 591 ALLOC_NO_OUT(coda_symlink); /* sets inp & outp */ 592 593 /* send the open to venus. */ 594 INIT_IN(&inp->ih, CODA_SYMLINK, cred, p); 595 inp->VFid = *fid; 596 CNV_V2VV_ATTR(&inp->attr, va); 597 598 inp->srcname = Isize; 599 STRCPY(srcname, lnm, llen); /* increments Isize */ 600 601 inp->tname = Isize; 602 STRCPY(tname, nm, len); /* increments Isize */ 603 604 error = coda_call(mdp, Isize, &Osize, (char *)inp); 605 606 CODA_FREE(inp, coda_symlink_size); 607 return error; 608 } 609 610 int 611 venus_readdir(void *mdp, ViceFid *fid, 612 int count, int offset, 613 struct ucred *cred, struct proc *p, 614 /*out*/ char *buffer, int *len) 615 { 616 DECL(coda_readdir); /* sets Isize & Osize */ 617 coda_readdir_size = VC_MAXMSGSIZE; 618 ALLOC(coda_readdir); /* sets inp & outp */ 619 620 /* send the open to venus. */ 621 INIT_IN(&inp->ih, CODA_READDIR, cred, p); 622 inp->VFid = *fid; 623 inp->count = count; 624 inp->offset = offset; 625 626 Osize = VC_MAXMSGSIZE; 627 error = coda_call(mdp, Isize, &Osize, (char *)inp); 628 if (!error) { 629 bcopy((char *)outp + (int)(long)outp->data, buffer, outp->size); 630 *len = outp->size; 631 } 632 633 CODA_FREE(inp, coda_readdir_size); 634 return error; 635 } 636 637 int 638 venus_fhtovp(void *mdp, ViceFid *fid, 639 struct ucred *cred, struct proc *p, 640 /*out*/ ViceFid *VFid, int *vtype) 641 { 642 DECL(coda_vget); /* sets Isize & Osize */ 643 ALLOC(coda_vget); /* sets inp & outp */ 644 645 /* Send the open to Venus. */ 646 INIT_IN(&inp->ih, CODA_VGET, cred, p); 647 inp->VFid = *fid; 648 649 error = coda_call(mdp, Isize, &Osize, (char *)inp); 650 if (!error) { 651 *VFid = outp->VFid; 652 *vtype = outp->vtype; 653 } 654 655 CODA_FREE(inp, coda_vget_size); 656 return error; 657 } 658
Indexes created Thu Sep 25 16:09:42 GMT 2025