1 /* 2 * linux/fs/nfs/proc.c 3 * 4 * Copyright (C) 1992, 1993, 1994 Rick Sladkey 5 * 6 * OS-independent nfs remote procedure call functions 7 * 8 * Tuned by Alan Cox <A.Cox@swansea.ac.uk> for >3K buffers 9 * so at last we can have decent(ish) throughput off a 10 * Sun server. 11 * 12 * Coding optimized and cleaned up by Florian La Roche. 13 * Note: Error returns are optimized for NFS_OK, which isn't translated via 14 * nfs_stat_to_errno(), but happens to be already the right return code. 15 * 16 * Also, the code currently doesn't check the size of the packet, when 17 * it decodes the packet. 18 * 19 * Feel free to fix it and mail me the diffs if it worries you. 20 * 21 * Completely rewritten to support the new RPC call interface; 22 * rewrote and moved the entire XDR stuff to xdr.c 23 * --Olaf Kirch June 1996 24 * 25 * The code below initializes all auto variables explicitly, otherwise 26 * it will fail to work as a module (gcc generates a memset call for an 27 * incomplete struct). 28 */ 29 30 #include <linux/types.h> 31 #include <linux/param.h> 32 #include <linux/slab.h> 33 #include <linux/time.h> 34 #include <linux/mm.h> 35 #include <linux/utsname.h> 36 #include <linux/errno.h> 37 #include <linux/string.h> 38 #include <linux/in.h> 39 #include <linux/pagemap.h> 40 #include <linux/sunrpc/clnt.h> 41 #include <linux/nfs.h> 42 #include <linux/nfs2.h> 43 #include <linux/nfs_fs.h> 44 #include <linux/nfs_page.h> 45 #include <linux/lockd/bind.h> 46 #include <linux/smp_lock.h> 47 #include "internal.h" 48 49 #define NFSDBG_FACILITY NFSDBG_PROC 50 51 /* 52 * Bare-bones access to getattr: this is for nfs_read_super. 53 */ 54 static int 55 nfs_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, 56 struct nfs_fsinfo *info) 57 { 58 struct nfs_fattr *fattr = info->fattr; 59 struct nfs2_fsstat fsinfo; 60 struct rpc_message msg = { 61 .rpc_proc = &nfs_procedures[NFSPROC_GETATTR], 62 .rpc_argp = fhandle, 63 .rpc_resp = fattr, 64 }; 65 int status; 66 67 dprintk("%s: call getattr\n", __FUNCTION__); 68 nfs_fattr_init(fattr); 69 status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0); 70 dprintk("%s: reply getattr: %d\n", __FUNCTION__, status); 71 if (status) 72 return status; 73 dprintk("%s: call statfs\n", __FUNCTION__); 74 msg.rpc_proc = &nfs_procedures[NFSPROC_STATFS]; 75 msg.rpc_resp = &fsinfo; 76 status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0); 77 dprintk("%s: reply statfs: %d\n", __FUNCTION__, status); 78 if (status) 79 return status; 80 info->rtmax = NFS_MAXDATA; 81 info->rtpref = fsinfo.tsize; 82 info->rtmult = fsinfo.bsize; 83 info->wtmax = NFS_MAXDATA; 84 info->wtpref = fsinfo.tsize; 85 info->wtmult = fsinfo.bsize; 86 info->dtpref = fsinfo.tsize; 87 info->maxfilesize = 0x7FFFFFFF; 88 info->lease_time = 0; 89 return 0; 90 } 91 92 /* 93 * One function for each procedure in the NFS protocol. 94 */ 95 static int 96 nfs_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, 97 struct nfs_fattr *fattr) 98 { 99 struct rpc_message msg = { 100 .rpc_proc = &nfs_procedures[NFSPROC_GETATTR], 101 .rpc_argp = fhandle, 102 .rpc_resp = fattr, 103 }; 104 int status; 105 106 dprintk("NFS call getattr\n"); 107 nfs_fattr_init(fattr); 108 status = rpc_call_sync(server->client, &msg, 0); 109 dprintk("NFS reply getattr: %d\n", status); 110 return status; 111 } 112 113 static int 114 nfs_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, 115 struct iattr *sattr) 116 { 117 struct inode *inode = dentry->d_inode; 118 struct nfs_sattrargs arg = { 119 .fh = NFS_FH(inode), 120 .sattr = sattr 121 }; 122 struct rpc_message msg = { 123 .rpc_proc = &nfs_procedures[NFSPROC_SETATTR], 124 .rpc_argp = &arg, 125 .rpc_resp = fattr, 126 }; 127 int status; 128 129 /* Mask out the non-modebit related stuff from attr->ia_mode */ 130 sattr->ia_mode &= S_IALLUGO; 131 132 dprintk("NFS call setattr\n"); 133 nfs_fattr_init(fattr); 134 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 135 if (status == 0) 136 nfs_setattr_update_inode(inode, sattr); 137 dprintk("NFS reply setattr: %d\n", status); 138 return status; 139 } 140 141 static int 142 nfs_proc_lookup(struct inode *dir, struct qstr *name, 143 struct nfs_fh *fhandle, struct nfs_fattr *fattr) 144 { 145 struct nfs_diropargs arg = { 146 .fh = NFS_FH(dir), 147 .name = name->name, 148 .len = name->len 149 }; 150 struct nfs_diropok res = { 151 .fh = fhandle, 152 .fattr = fattr 153 }; 154 struct rpc_message msg = { 155 .rpc_proc = &nfs_procedures[NFSPROC_LOOKUP], 156 .rpc_argp = &arg, 157 .rpc_resp = &res, 158 }; 159 int status; 160 161 dprintk("NFS call lookup %s\n", name->name); 162 nfs_fattr_init(fattr); 163 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 164 dprintk("NFS reply lookup: %d\n", status); 165 return status; 166 } 167 168 static int nfs_proc_readlink(struct inode *inode, struct page *page, 169 unsigned int pgbase, unsigned int pglen) 170 { 171 struct nfs_readlinkargs args = { 172 .fh = NFS_FH(inode), 173 .pgbase = pgbase, 174 .pglen = pglen, 175 .pages = &page 176 }; 177 struct rpc_message msg = { 178 .rpc_proc = &nfs_procedures[NFSPROC_READLINK], 179 .rpc_argp = &args, 180 }; 181 int status; 182 183 dprintk("NFS call readlink\n"); 184 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 185 dprintk("NFS reply readlink: %d\n", status); 186 return status; 187 } 188 189 static int nfs_proc_read(struct nfs_read_data *rdata) 190 { 191 int flags = rdata->flags; 192 struct inode * inode = rdata->inode; 193 struct nfs_fattr * fattr = rdata->res.fattr; 194 struct rpc_message msg = { 195 .rpc_proc = &nfs_procedures[NFSPROC_READ], 196 .rpc_argp = &rdata->args, 197 .rpc_resp = &rdata->res, 198 .rpc_cred = rdata->cred, 199 }; 200 int status; 201 202 dprintk("NFS call read %d @ %Ld\n", rdata->args.count, 203 (long long) rdata->args.offset); 204 nfs_fattr_init(fattr); 205 status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags); 206 if (status >= 0) { 207 nfs_refresh_inode(inode, fattr); 208 /* Emulate the eof flag, which isn't normally needed in NFSv2 209 * as it is guaranteed to always return the file attributes 210 */ 211 if (rdata->args.offset + rdata->args.count >= fattr->size) 212 rdata->res.eof = 1; 213 } 214 dprintk("NFS reply read: %d\n", status); 215 return status; 216 } 217 218 static int nfs_proc_write(struct nfs_write_data *wdata) 219 { 220 int flags = wdata->flags; 221 struct inode * inode = wdata->inode; 222 struct nfs_fattr * fattr = wdata->res.fattr; 223 struct rpc_message msg = { 224 .rpc_proc = &nfs_procedures[NFSPROC_WRITE], 225 .rpc_argp = &wdata->args, 226 .rpc_resp = &wdata->res, 227 .rpc_cred = wdata->cred, 228 }; 229 int status; 230 231 dprintk("NFS call write %d @ %Ld\n", wdata->args.count, 232 (long long) wdata->args.offset); 233 nfs_fattr_init(fattr); 234 status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags); 235 if (status >= 0) { 236 nfs_post_op_update_inode(inode, fattr); 237 wdata->res.count = wdata->args.count; 238 wdata->verf.committed = NFS_FILE_SYNC; 239 } 240 dprintk("NFS reply write: %d\n", status); 241 return status < 0? status : wdata->res.count; 242 } 243 244 static int 245 nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 246 int flags, struct nameidata *nd) 247 { 248 struct nfs_fh fhandle; 249 struct nfs_fattr fattr; 250 struct nfs_createargs arg = { 251 .fh = NFS_FH(dir), 252 .name = dentry->d_name.name, 253 .len = dentry->d_name.len, 254 .sattr = sattr 255 }; 256 struct nfs_diropok res = { 257 .fh = &fhandle, 258 .fattr = &fattr 259 }; 260 struct rpc_message msg = { 261 .rpc_proc = &nfs_procedures[NFSPROC_CREATE], 262 .rpc_argp = &arg, 263 .rpc_resp = &res, 264 }; 265 int status; 266 267 nfs_fattr_init(&fattr); 268 dprintk("NFS call create %s\n", dentry->d_name.name); 269 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 270 if (status == 0) 271 status = nfs_instantiate(dentry, &fhandle, &fattr); 272 dprintk("NFS reply create: %d\n", status); 273 return status; 274 } 275 276 /* 277 * In NFSv2, mknod is grafted onto the create call. 278 */ 279 static int 280 nfs_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 281 dev_t rdev) 282 { 283 struct nfs_fh fhandle; 284 struct nfs_fattr fattr; 285 struct nfs_createargs arg = { 286 .fh = NFS_FH(dir), 287 .name = dentry->d_name.name, 288 .len = dentry->d_name.len, 289 .sattr = sattr 290 }; 291 struct nfs_diropok res = { 292 .fh = &fhandle, 293 .fattr = &fattr 294 }; 295 struct rpc_message msg = { 296 .rpc_proc = &nfs_procedures[NFSPROC_CREATE], 297 .rpc_argp = &arg, 298 .rpc_resp = &res, 299 }; 300 int status, mode; 301 302 dprintk("NFS call mknod %s\n", dentry->d_name.name); 303 304 mode = sattr->ia_mode; 305 if (S_ISFIFO(mode)) { 306 sattr->ia_mode = (mode & ~S_IFMT) | S_IFCHR; 307 sattr->ia_valid &= ~ATTR_SIZE; 308 } else if (S_ISCHR(mode) || S_ISBLK(mode)) { 309 sattr->ia_valid |= ATTR_SIZE; 310 sattr->ia_size = new_encode_dev(rdev);/* get out your barf bag */ 311 } 312 313 nfs_fattr_init(&fattr); 314 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 315 nfs_mark_for_revalidate(dir); 316 317 if (status == -EINVAL && S_ISFIFO(mode)) { 318 sattr->ia_mode = mode; 319 nfs_fattr_init(&fattr); 320 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 321 } 322 if (status == 0) 323 status = nfs_instantiate(dentry, &fhandle, &fattr); 324 dprintk("NFS reply mknod: %d\n", status); 325 return status; 326 } 327 328 static int 329 nfs_proc_remove(struct inode *dir, struct qstr *name) 330 { 331 struct nfs_diropargs arg = { 332 .fh = NFS_FH(dir), 333 .name = name->name, 334 .len = name->len 335 }; 336 struct rpc_message msg = { 337 .rpc_proc = &nfs_procedures[NFSPROC_REMOVE], 338 .rpc_argp = &arg, 339 }; 340 int status; 341 342 dprintk("NFS call remove %s\n", name->name); 343 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 344 nfs_mark_for_revalidate(dir); 345 346 dprintk("NFS reply remove: %d\n", status); 347 return status; 348 } 349 350 static int 351 nfs_proc_unlink_setup(struct rpc_message *msg, struct dentry *dir, struct qstr *name) 352 { 353 struct nfs_diropargs *arg; 354 355 arg = (struct nfs_diropargs *)kmalloc(sizeof(*arg), GFP_KERNEL); 356 if (!arg) 357 return -ENOMEM; 358 arg->fh = NFS_FH(dir->d_inode); 359 arg->name = name->name; 360 arg->len = name->len; 361 msg->rpc_proc = &nfs_procedures[NFSPROC_REMOVE]; 362 msg->rpc_argp = arg; 363 return 0; 364 } 365 366 static int 367 nfs_proc_unlink_done(struct dentry *dir, struct rpc_task *task) 368 { 369 struct rpc_message *msg = &task->tk_msg; 370 371 if (msg->rpc_argp) { 372 nfs_mark_for_revalidate(dir->d_inode); 373 kfree(msg->rpc_argp); 374 } 375 return 0; 376 } 377 378 static int 379 nfs_proc_rename(struct inode *old_dir, struct qstr *old_name, 380 struct inode *new_dir, struct qstr *new_name) 381 { 382 struct nfs_renameargs arg = { 383 .fromfh = NFS_FH(old_dir), 384 .fromname = old_name->name, 385 .fromlen = old_name->len, 386 .tofh = NFS_FH(new_dir), 387 .toname = new_name->name, 388 .tolen = new_name->len 389 }; 390 struct rpc_message msg = { 391 .rpc_proc = &nfs_procedures[NFSPROC_RENAME], 392 .rpc_argp = &arg, 393 }; 394 int status; 395 396 dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name); 397 status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0); 398 nfs_mark_for_revalidate(old_dir); 399 nfs_mark_for_revalidate(new_dir); 400 dprintk("NFS reply rename: %d\n", status); 401 return status; 402 } 403 404 static int 405 nfs_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) 406 { 407 struct nfs_linkargs arg = { 408 .fromfh = NFS_FH(inode), 409 .tofh = NFS_FH(dir), 410 .toname = name->name, 411 .tolen = name->len 412 }; 413 struct rpc_message msg = { 414 .rpc_proc = &nfs_procedures[NFSPROC_LINK], 415 .rpc_argp = &arg, 416 }; 417 int status; 418 419 dprintk("NFS call link %s\n", name->name); 420 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 421 nfs_mark_for_revalidate(inode); 422 nfs_mark_for_revalidate(dir); 423 dprintk("NFS reply link: %d\n", status); 424 return status; 425 } 426 427 static int 428 nfs_proc_symlink(struct inode *dir, struct qstr *name, struct qstr *path, 429 struct iattr *sattr, struct nfs_fh *fhandle, 430 struct nfs_fattr *fattr) 431 { 432 struct nfs_symlinkargs arg = { 433 .fromfh = NFS_FH(dir), 434 .fromname = name->name, 435 .fromlen = name->len, 436 .topath = path->name, 437 .tolen = path->len, 438 .sattr = sattr 439 }; 440 struct rpc_message msg = { 441 .rpc_proc = &nfs_procedures[NFSPROC_SYMLINK], 442 .rpc_argp = &arg, 443 }; 444 int status; 445 446 if (path->len > NFS2_MAXPATHLEN) 447 return -ENAMETOOLONG; 448 dprintk("NFS call symlink %s -> %s\n", name->name, path->name); 449 nfs_fattr_init(fattr); 450 fhandle->size = 0; 451 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 452 nfs_mark_for_revalidate(dir); 453 dprintk("NFS reply symlink: %d\n", status); 454 return status; 455 } 456 457 static int 458 nfs_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) 459 { 460 struct nfs_fh fhandle; 461 struct nfs_fattr fattr; 462 struct nfs_createargs arg = { 463 .fh = NFS_FH(dir), 464 .name = dentry->d_name.name, 465 .len = dentry->d_name.len, 466 .sattr = sattr 467 }; 468 struct nfs_diropok res = { 469 .fh = &fhandle, 470 .fattr = &fattr 471 }; 472 struct rpc_message msg = { 473 .rpc_proc = &nfs_procedures[NFSPROC_MKDIR], 474 .rpc_argp = &arg, 475 .rpc_resp = &res, 476 }; 477 int status; 478 479 dprintk("NFS call mkdir %s\n", dentry->d_name.name); 480 nfs_fattr_init(&fattr); 481 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 482 nfs_mark_for_revalidate(dir); 483 if (status == 0) 484 status = nfs_instantiate(dentry, &fhandle, &fattr); 485 dprintk("NFS reply mkdir: %d\n", status); 486 return status; 487 } 488 489 static int 490 nfs_proc_rmdir(struct inode *dir, struct qstr *name) 491 { 492 struct nfs_diropargs arg = { 493 .fh = NFS_FH(dir), 494 .name = name->name, 495 .len = name->len 496 }; 497 struct rpc_message msg = { 498 .rpc_proc = &nfs_procedures[NFSPROC_RMDIR], 499 .rpc_argp = &arg, 500 }; 501 int status; 502 503 dprintk("NFS call rmdir %s\n", name->name); 504 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 505 nfs_mark_for_revalidate(dir); 506 dprintk("NFS reply rmdir: %d\n", status); 507 return status; 508 } 509 510 /* 511 * The READDIR implementation is somewhat hackish - we pass a temporary 512 * buffer to the encode function, which installs it in the receive 513 * the receive iovec. The decode function just parses the reply to make 514 * sure it is syntactically correct; the entries itself are decoded 515 * from nfs_readdir by calling the decode_entry function directly. 516 */ 517 static int 518 nfs_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, 519 u64 cookie, struct page *page, unsigned int count, int plus) 520 { 521 struct inode *dir = dentry->d_inode; 522 struct nfs_readdirargs arg = { 523 .fh = NFS_FH(dir), 524 .cookie = cookie, 525 .count = count, 526 .pages = &page, 527 }; 528 struct rpc_message msg = { 529 .rpc_proc = &nfs_procedures[NFSPROC_READDIR], 530 .rpc_argp = &arg, 531 .rpc_cred = cred, 532 }; 533 int status; 534 535 lock_kernel(); 536 537 dprintk("NFS call readdir %d\n", (unsigned int)cookie); 538 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 539 540 dprintk("NFS reply readdir: %d\n", status); 541 unlock_kernel(); 542 return status; 543 } 544 545 static int 546 nfs_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, 547 struct nfs_fsstat *stat) 548 { 549 struct nfs2_fsstat fsinfo; 550 struct rpc_message msg = { 551 .rpc_proc = &nfs_procedures[NFSPROC_STATFS], 552 .rpc_argp = fhandle, 553 .rpc_resp = &fsinfo, 554 }; 555 int status; 556 557 dprintk("NFS call statfs\n"); 558 nfs_fattr_init(stat->fattr); 559 status = rpc_call_sync(server->client, &msg, 0); 560 dprintk("NFS reply statfs: %d\n", status); 561 if (status) 562 goto out; 563 stat->tbytes = (u64)fsinfo.blocks * fsinfo.bsize; 564 stat->fbytes = (u64)fsinfo.bfree * fsinfo.bsize; 565 stat->abytes = (u64)fsinfo.bavail * fsinfo.bsize; 566 stat->tfiles = 0; 567 stat->ffiles = 0; 568 stat->afiles = 0; 569 out: 570 return status; 571 } 572 573 static int 574 nfs_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, 575 struct nfs_fsinfo *info) 576 { 577 struct nfs2_fsstat fsinfo; 578 struct rpc_message msg = { 579 .rpc_proc = &nfs_procedures[NFSPROC_STATFS], 580 .rpc_argp = fhandle, 581 .rpc_resp = &fsinfo, 582 }; 583 int status; 584 585 dprintk("NFS call fsinfo\n"); 586 nfs_fattr_init(info->fattr); 587 status = rpc_call_sync(server->client, &msg, 0); 588 dprintk("NFS reply fsinfo: %d\n", status); 589 if (status) 590 goto out; 591 info->rtmax = NFS_MAXDATA; 592 info->rtpref = fsinfo.tsize; 593 info->rtmult = fsinfo.bsize; 594 info->wtmax = NFS_MAXDATA; 595 info->wtpref = fsinfo.tsize; 596 info->wtmult = fsinfo.bsize; 597 info->dtpref = fsinfo.tsize; 598 info->maxfilesize = 0x7FFFFFFF; 599 info->lease_time = 0; 600 out: 601 return status; 602 } 603 604 static int 605 nfs_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, 606 struct nfs_pathconf *info) 607 { 608 info->max_link = 0; 609 info->max_namelen = NFS2_MAXNAMLEN; 610 return 0; 611 } 612 613 static int nfs_read_done(struct rpc_task *task, struct nfs_read_data *data) 614 { 615 if (task->tk_status >= 0) { 616 nfs_refresh_inode(data->inode, data->res.fattr); 617 /* Emulate the eof flag, which isn't normally needed in NFSv2 618 * as it is guaranteed to always return the file attributes 619 */ 620 if (data->args.offset + data->args.count >= data->res.fattr->size) 621 data->res.eof = 1; 622 } 623 return 0; 624 } 625 626 static void nfs_proc_read_setup(struct nfs_read_data *data) 627 { 628 struct rpc_message msg = { 629 .rpc_proc = &nfs_procedures[NFSPROC_READ], 630 .rpc_argp = &data->args, 631 .rpc_resp = &data->res, 632 .rpc_cred = data->cred, 633 }; 634 635 rpc_call_setup(&data->task, &msg, 0); 636 } 637 638 static int nfs_write_done(struct rpc_task *task, struct nfs_write_data *data) 639 { 640 if (task->tk_status >= 0) 641 nfs_post_op_update_inode(data->inode, data->res.fattr); 642 return 0; 643 } 644 645 static void nfs_proc_write_setup(struct nfs_write_data *data, int how) 646 { 647 struct rpc_message msg = { 648 .rpc_proc = &nfs_procedures[NFSPROC_WRITE], 649 .rpc_argp = &data->args, 650 .rpc_resp = &data->res, 651 .rpc_cred = data->cred, 652 }; 653 654 /* Note: NFSv2 ignores @stable and always uses NFS_FILE_SYNC */ 655 data->args.stable = NFS_FILE_SYNC; 656 657 /* Finalize the task. */ 658 rpc_call_setup(&data->task, &msg, 0); 659 } 660 661 static void 662 nfs_proc_commit_setup(struct nfs_write_data *data, int how) 663 { 664 BUG(); 665 } 666 667 static int 668 nfs_proc_lock(struct file *filp, int cmd, struct file_lock *fl) 669 { 670 return nlmclnt_proc(filp->f_dentry->d_inode, cmd, fl); 671 } 672 673 674 const struct nfs_rpc_ops nfs_v2_clientops = { 675 .version = 2, /* protocol version */ 676 .dentry_ops = &nfs_dentry_operations, 677 .dir_inode_ops = &nfs_dir_inode_operations, 678 .file_inode_ops = &nfs_file_inode_operations, 679 .getroot = nfs_proc_get_root, 680 .getattr = nfs_proc_getattr, 681 .setattr = nfs_proc_setattr, 682 .lookup = nfs_proc_lookup, 683 .access = NULL, /* access */ 684 .readlink = nfs_proc_readlink, 685 .read = nfs_proc_read, 686 .write = nfs_proc_write, 687 .commit = NULL, /* commit */ 688 .create = nfs_proc_create, 689 .remove = nfs_proc_remove, 690 .unlink_setup = nfs_proc_unlink_setup, 691 .unlink_done = nfs_proc_unlink_done, 692 .rename = nfs_proc_rename, 693 .link = nfs_proc_link, 694 .symlink = nfs_proc_symlink, 695 .mkdir = nfs_proc_mkdir, 696 .rmdir = nfs_proc_rmdir, 697 .readdir = nfs_proc_readdir, 698 .mknod = nfs_proc_mknod, 699 .statfs = nfs_proc_statfs, 700 .fsinfo = nfs_proc_fsinfo, 701 .pathconf = nfs_proc_pathconf, 702 .decode_dirent = nfs_decode_dirent, 703 .read_setup = nfs_proc_read_setup, 704 .read_done = nfs_read_done, 705 .write_setup = nfs_proc_write_setup, 706 .write_done = nfs_write_done, 707 .commit_setup = nfs_proc_commit_setup, 708 .file_open = nfs_open, 709 .file_release = nfs_release, 710 .lock = nfs_proc_lock, 711 }; 712