1 /*- 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Rick Macklem at The University of Guelph. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 4. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 */ 33 34 #include <sys/cdefs.h> 35 __FBSDID("$FreeBSD$"); 36 37 /* 38 * Functions that need to be different for different versions of BSD 39 * kernel should be kept here, along with any global storage specific 40 * to this BSD variant. 41 */ 42 #include <fs/nfs/nfsport.h> 43 #include <sys/sysctl.h> 44 #include <vm/vm.h> 45 #include <vm/vm_object.h> 46 #include <vm/vm_page.h> 47 #include <vm/vm_param.h> 48 #include <vm/vm_map.h> 49 #include <vm/vm_kern.h> 50 #include <vm/vm_extern.h> 51 #include <vm/uma.h> 52 53 extern int nfscl_ticks; 54 extern int nfsrv_nfsuserd; 55 extern struct nfssockreq nfsrv_nfsuserdsock; 56 extern void (*nfsd_call_recall)(struct vnode *, int, struct ucred *, 57 struct thread *); 58 extern int nfsrv_useacl; 59 struct mount nfsv4root_mnt; 60 int newnfs_numnfsd = 0; 61 struct nfsstats newnfsstats; 62 int nfs_numnfscbd = 0; 63 int nfscl_debuglevel = 0; 64 char nfsv4_callbackaddr[INET6_ADDRSTRLEN]; 65 struct callout newnfsd_callout; 66 void (*nfsd_call_servertimer)(void) = NULL; 67 void (*ncl_call_invalcaches)(struct vnode *) = NULL; 68 69 static int nfs_realign_test; 70 static int nfs_realign_count; 71 72 SYSCTL_NODE(_vfs, OID_AUTO, nfs, CTLFLAG_RW, 0, "NFS filesystem"); 73 SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_test, CTLFLAG_RW, &nfs_realign_test, 74 0, "Number of realign tests done"); 75 SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_count, CTLFLAG_RW, &nfs_realign_count, 76 0, "Number of mbuf realignments done"); 77 SYSCTL_STRING(_vfs_nfs, OID_AUTO, callback_addr, CTLFLAG_RW, 78 nfsv4_callbackaddr, sizeof(nfsv4_callbackaddr), 79 "NFSv4 callback addr for server to use"); 80 SYSCTL_INT(_vfs_nfs, OID_AUTO, debuglevel, CTLFLAG_RW, &nfscl_debuglevel, 81 0, "Debug level for NFS client"); 82 83 /* 84 * Defines for malloc 85 * (Here for FreeBSD, since they allocate storage.) 86 */ 87 MALLOC_DEFINE(M_NEWNFSRVCACHE, "NFSD srvcache", "NFSD Server Request Cache"); 88 MALLOC_DEFINE(M_NEWNFSDCLIENT, "NFSD V4client", "NFSD V4 Client Id"); 89 MALLOC_DEFINE(M_NEWNFSDSTATE, "NFSD V4state", 90 "NFSD V4 State (Openowner, Open, Lockowner, Delegation"); 91 MALLOC_DEFINE(M_NEWNFSDLOCK, "NFSD V4lock", "NFSD V4 byte range lock"); 92 MALLOC_DEFINE(M_NEWNFSDLOCKFILE, "NFSD lckfile", "NFSD Open/Lock file"); 93 MALLOC_DEFINE(M_NEWNFSSTRING, "NFSD string", "NFSD V4 long string"); 94 MALLOC_DEFINE(M_NEWNFSUSERGROUP, "NFSD usrgroup", "NFSD V4 User/group map"); 95 MALLOC_DEFINE(M_NEWNFSDREQ, "NFS req", "NFS request header"); 96 MALLOC_DEFINE(M_NEWNFSFH, "NFS fh", "NFS file handle"); 97 MALLOC_DEFINE(M_NEWNFSCLOWNER, "NFSCL owner", "NFSCL Open Owner"); 98 MALLOC_DEFINE(M_NEWNFSCLOPEN, "NFSCL open", "NFSCL Open"); 99 MALLOC_DEFINE(M_NEWNFSCLDELEG, "NFSCL deleg", "NFSCL Delegation"); 100 MALLOC_DEFINE(M_NEWNFSCLCLIENT, "NFSCL client", "NFSCL Client"); 101 MALLOC_DEFINE(M_NEWNFSCLLOCKOWNER, "NFSCL lckown", "NFSCL Lock Owner"); 102 MALLOC_DEFINE(M_NEWNFSCLLOCK, "NFSCL lck", "NFSCL Lock"); 103 MALLOC_DEFINE(M_NEWNFSV4NODE, "NEWNFSnode", "NFS vnode"); 104 MALLOC_DEFINE(M_NEWNFSDIRECTIO, "NEWdirectio", "NFS Direct IO buffer"); 105 MALLOC_DEFINE(M_NEWNFSDIROFF, "NFSCL diroffdiroff", 106 "NFS directory offset data"); 107 MALLOC_DEFINE(M_NEWNFSDROLLBACK, "NFSD rollback", 108 "NFS local lock rollback"); 109 MALLOC_DEFINE(M_NEWNFSLAYOUT, "NFSCL layout", "NFSv4.1 Layout"); 110 MALLOC_DEFINE(M_NEWNFSFLAYOUT, "NFSCL flayout", "NFSv4.1 File Layout"); 111 MALLOC_DEFINE(M_NEWNFSDEVINFO, "NFSCL devinfo", "NFSv4.1 Device Info"); 112 MALLOC_DEFINE(M_NEWNFSSOCKREQ, "NFSCL sockreq", "NFS Sock Req"); 113 MALLOC_DEFINE(M_NEWNFSCLDS, "NFSCL session", "NFSv4.1 Session"); 114 MALLOC_DEFINE(M_NEWNFSLAYRECALL, "NFSCL layrecall", "NFSv4.1 Layout Recall"); 115 MALLOC_DEFINE(M_NEWNFSDSESSION, "NFSD session", "NFSD Session for a client"); 116 117 /* 118 * Definition of mutex locks. 119 * newnfsd_mtx is used in nfsrvd_nfsd() to protect the nfs socket list 120 * and assorted other nfsd structures. 121 */ 122 struct mtx newnfsd_mtx; 123 struct mtx nfs_sockl_mutex; 124 struct mtx nfs_state_mutex; 125 struct mtx nfs_nameid_mutex; 126 struct mtx nfs_req_mutex; 127 struct mtx nfs_slock_mutex; 128 129 /* local functions */ 130 static int nfssvc_call(struct thread *, struct nfssvc_args *, struct ucred *); 131 132 #ifdef __NO_STRICT_ALIGNMENT 133 /* 134 * These architectures don't need re-alignment, so just return. 135 */ 136 int 137 newnfs_realign(struct mbuf **pm, int how) 138 { 139 140 return (0); 141 } 142 #else /* !__NO_STRICT_ALIGNMENT */ 143 /* 144 * newnfs_realign: 145 * 146 * Check for badly aligned mbuf data and realign by copying the unaligned 147 * portion of the data into a new mbuf chain and freeing the portions 148 * of the old chain that were replaced. 149 * 150 * We cannot simply realign the data within the existing mbuf chain 151 * because the underlying buffers may contain other rpc commands and 152 * we cannot afford to overwrite them. 153 * 154 * We would prefer to avoid this situation entirely. The situation does 155 * not occur with NFS/UDP and is supposed to only occassionally occur 156 * with TCP. Use vfs.nfs.realign_count and realign_test to check this. 157 * 158 */ 159 int 160 newnfs_realign(struct mbuf **pm, int how) 161 { 162 struct mbuf *m, *n; 163 int off, space; 164 165 ++nfs_realign_test; 166 while ((m = *pm) != NULL) { 167 if ((m->m_len & 0x3) || (mtod(m, intptr_t) & 0x3)) { 168 /* 169 * NB: we can't depend on m_pkthdr.len to help us 170 * decide what to do here. May not be worth doing 171 * the m_length calculation as m_copyback will 172 * expand the mbuf chain below as needed. 173 */ 174 space = m_length(m, NULL); 175 if (space >= MINCLSIZE) { 176 /* NB: m_copyback handles space > MCLBYTES */ 177 n = m_getcl(how, MT_DATA, 0); 178 } else 179 n = m_get(how, MT_DATA); 180 if (n == NULL) 181 return (ENOMEM); 182 /* 183 * Align the remainder of the mbuf chain. 184 */ 185 n->m_len = 0; 186 off = 0; 187 while (m != NULL) { 188 m_copyback(n, off, m->m_len, mtod(m, caddr_t)); 189 off += m->m_len; 190 m = m->m_next; 191 } 192 m_freem(*pm); 193 *pm = n; 194 ++nfs_realign_count; 195 break; 196 } 197 pm = &m->m_next; 198 } 199 200 return (0); 201 } 202 #endif /* __NO_STRICT_ALIGNMENT */ 203 204 #ifdef notdef 205 static void 206 nfsrv_object_create(struct vnode *vp, struct thread *td) 207 { 208 209 if (vp == NULL || vp->v_type != VREG) 210 return; 211 (void) vfs_object_create(vp, td, td->td_ucred); 212 } 213 #endif 214 215 /* 216 * Look up a file name. Basically just initialize stuff and call namei(). 217 */ 218 int 219 nfsrv_lookupfilename(struct nameidata *ndp, char *fname, NFSPROC_T *p) 220 { 221 int error; 222 223 NDINIT(ndp, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE, fname, 224 p); 225 error = namei(ndp); 226 if (!error) { 227 NDFREE(ndp, NDF_ONLY_PNBUF); 228 } 229 return (error); 230 } 231 232 /* 233 * Copy NFS uid, gids to the cred structure. 234 */ 235 void 236 newnfs_copycred(struct nfscred *nfscr, struct ucred *cr) 237 { 238 239 KASSERT(nfscr->nfsc_ngroups >= 0, 240 ("newnfs_copycred: negative nfsc_ngroups")); 241 cr->cr_uid = nfscr->nfsc_uid; 242 crsetgroups(cr, nfscr->nfsc_ngroups, nfscr->nfsc_groups); 243 } 244 245 /* 246 * Map args from nfsmsleep() to msleep(). 247 */ 248 int 249 nfsmsleep(void *chan, void *mutex, int prio, const char *wmesg, 250 struct timespec *ts) 251 { 252 u_int64_t nsecval; 253 int error, timeo; 254 255 if (ts) { 256 timeo = hz * ts->tv_sec; 257 nsecval = (u_int64_t)ts->tv_nsec; 258 nsecval = ((nsecval * ((u_int64_t)hz)) + 500000000) / 259 1000000000; 260 timeo += (int)nsecval; 261 } else { 262 timeo = 0; 263 } 264 error = msleep(chan, (struct mtx *)mutex, prio, wmesg, timeo); 265 return (error); 266 } 267 268 /* 269 * Get the file system info for the server. For now, just assume FFS. 270 */ 271 void 272 nfsvno_getfs(struct nfsfsinfo *sip, int isdgram) 273 { 274 int pref; 275 276 /* 277 * XXX 278 * There should be file system VFS OP(s) to get this information. 279 * For now, assume ufs. 280 */ 281 if (isdgram) 282 pref = NFS_MAXDGRAMDATA; 283 else 284 pref = NFS_SRVMAXIO; 285 sip->fs_rtmax = NFS_SRVMAXIO; 286 sip->fs_rtpref = pref; 287 sip->fs_rtmult = NFS_FABLKSIZE; 288 sip->fs_wtmax = NFS_SRVMAXIO; 289 sip->fs_wtpref = pref; 290 sip->fs_wtmult = NFS_FABLKSIZE; 291 sip->fs_dtpref = pref; 292 sip->fs_maxfilesize = 0xffffffffffffffffull; 293 sip->fs_timedelta.tv_sec = 0; 294 sip->fs_timedelta.tv_nsec = 1; 295 sip->fs_properties = (NFSV3FSINFO_LINK | 296 NFSV3FSINFO_SYMLINK | NFSV3FSINFO_HOMOGENEOUS | 297 NFSV3FSINFO_CANSETTIME); 298 } 299 300 /* 301 * Do the pathconf vnode op. 302 */ 303 int 304 nfsvno_pathconf(struct vnode *vp, int flag, register_t *retf, 305 struct ucred *cred, struct thread *p) 306 { 307 int error; 308 309 error = VOP_PATHCONF(vp, flag, retf); 310 if (error == EOPNOTSUPP || error == EINVAL) { 311 /* 312 * Some file systems return EINVAL for name arguments not 313 * supported and some return EOPNOTSUPP for this case. 314 * So the NFSv3 Pathconf RPC doesn't fail for these cases, 315 * just fake them. 316 */ 317 switch (flag) { 318 case _PC_LINK_MAX: 319 *retf = LINK_MAX; 320 break; 321 case _PC_NAME_MAX: 322 *retf = NAME_MAX; 323 break; 324 case _PC_CHOWN_RESTRICTED: 325 *retf = 1; 326 break; 327 case _PC_NO_TRUNC: 328 *retf = 1; 329 break; 330 default: 331 /* 332 * Only happens if a _PC_xxx is added to the server, 333 * but this isn't updated. 334 */ 335 *retf = 0; 336 printf("nfsrvd pathconf flag=%d not supp\n", flag); 337 }; 338 error = 0; 339 } 340 NFSEXITCODE(error); 341 return (error); 342 } 343 344 /* Fake nfsrv_atroot. Just return 0 */ 345 int 346 nfsrv_atroot(struct vnode *vp, long *retp) 347 { 348 349 return (0); 350 } 351 352 /* 353 * Set the credentials to refer to root. 354 * If only the various BSDen could agree on whether cr_gid is a separate 355 * field or cr_groups[0]... 356 */ 357 void 358 newnfs_setroot(struct ucred *cred) 359 { 360 361 cred->cr_uid = 0; 362 cred->cr_groups[0] = 0; 363 cred->cr_ngroups = 1; 364 } 365 366 /* 367 * Get the client credential. Used for Renew and recovery. 368 */ 369 struct ucred * 370 newnfs_getcred(void) 371 { 372 struct ucred *cred; 373 struct thread *td = curthread; 374 375 cred = crdup(td->td_ucred); 376 newnfs_setroot(cred); 377 return (cred); 378 } 379 380 /* 381 * Nfs timer routine 382 * Call the nfsd's timer function once/sec. 383 */ 384 void 385 newnfs_timer(void *arg) 386 { 387 static time_t lasttime = 0; 388 /* 389 * Call the server timer, if set up. 390 * The argument indicates if it is the next second and therefore 391 * leases should be checked. 392 */ 393 if (lasttime != NFSD_MONOSEC) { 394 lasttime = NFSD_MONOSEC; 395 if (nfsd_call_servertimer != NULL) 396 (*nfsd_call_servertimer)(); 397 } 398 callout_reset(&newnfsd_callout, nfscl_ticks, newnfs_timer, NULL); 399 } 400 401 402 /* 403 * Sleep for a short period of time unless errval == NFSERR_GRACE, where 404 * the sleep should be for 5 seconds. 405 * Since lbolt doesn't exist in FreeBSD-CURRENT, just use a timeout on 406 * an event that never gets a wakeup. Only return EINTR or 0. 407 */ 408 int 409 nfs_catnap(int prio, int errval, const char *wmesg) 410 { 411 static int non_event; 412 int ret; 413 414 if (errval == NFSERR_GRACE) 415 ret = tsleep(&non_event, prio, wmesg, 5 * hz); 416 else 417 ret = tsleep(&non_event, prio, wmesg, 1); 418 if (ret != EINTR) 419 ret = 0; 420 return (ret); 421 } 422 423 /* 424 * Get referral. For now, just fail. 425 */ 426 struct nfsreferral * 427 nfsv4root_getreferral(struct vnode *vp, struct vnode *dvp, u_int32_t fileno) 428 { 429 430 return (NULL); 431 } 432 433 static int 434 nfssvc_nfscommon(struct thread *td, struct nfssvc_args *uap) 435 { 436 int error; 437 438 error = nfssvc_call(td, uap, td->td_ucred); 439 NFSEXITCODE(error); 440 return (error); 441 } 442 443 static int 444 nfssvc_call(struct thread *p, struct nfssvc_args *uap, struct ucred *cred) 445 { 446 int error = EINVAL; 447 struct nfsd_idargs nid; 448 449 if (uap->flag & NFSSVC_IDNAME) { 450 error = copyin(uap->argp, (caddr_t)&nid, sizeof (nid)); 451 if (error) 452 goto out; 453 error = nfssvc_idname(&nid); 454 goto out; 455 } else if (uap->flag & NFSSVC_GETSTATS) { 456 error = copyout(&newnfsstats, 457 CAST_USER_ADDR_T(uap->argp), sizeof (newnfsstats)); 458 if (error == 0) { 459 if ((uap->flag & NFSSVC_ZEROCLTSTATS) != 0) { 460 newnfsstats.attrcache_hits = 0; 461 newnfsstats.attrcache_misses = 0; 462 newnfsstats.lookupcache_hits = 0; 463 newnfsstats.lookupcache_misses = 0; 464 newnfsstats.direofcache_hits = 0; 465 newnfsstats.direofcache_misses = 0; 466 newnfsstats.accesscache_hits = 0; 467 newnfsstats.accesscache_misses = 0; 468 newnfsstats.biocache_reads = 0; 469 newnfsstats.read_bios = 0; 470 newnfsstats.read_physios = 0; 471 newnfsstats.biocache_writes = 0; 472 newnfsstats.write_bios = 0; 473 newnfsstats.write_physios = 0; 474 newnfsstats.biocache_readlinks = 0; 475 newnfsstats.readlink_bios = 0; 476 newnfsstats.biocache_readdirs = 0; 477 newnfsstats.readdir_bios = 0; 478 newnfsstats.rpcretries = 0; 479 newnfsstats.rpcrequests = 0; 480 newnfsstats.rpctimeouts = 0; 481 newnfsstats.rpcunexpected = 0; 482 newnfsstats.rpcinvalid = 0; 483 bzero(newnfsstats.rpccnt, 484 sizeof(newnfsstats.rpccnt)); 485 } 486 if ((uap->flag & NFSSVC_ZEROSRVSTATS) != 0) { 487 newnfsstats.srvrpc_errs = 0; 488 newnfsstats.srv_errs = 0; 489 newnfsstats.srvcache_inproghits = 0; 490 newnfsstats.srvcache_idemdonehits = 0; 491 newnfsstats.srvcache_nonidemdonehits = 0; 492 newnfsstats.srvcache_misses = 0; 493 newnfsstats.srvcache_tcppeak = 0; 494 newnfsstats.srvclients = 0; 495 newnfsstats.srvopenowners = 0; 496 newnfsstats.srvopens = 0; 497 newnfsstats.srvlockowners = 0; 498 newnfsstats.srvlocks = 0; 499 newnfsstats.srvdelegates = 0; 500 newnfsstats.clopenowners = 0; 501 newnfsstats.clopens = 0; 502 newnfsstats.cllockowners = 0; 503 newnfsstats.cllocks = 0; 504 newnfsstats.cldelegates = 0; 505 newnfsstats.cllocalopenowners = 0; 506 newnfsstats.cllocalopens = 0; 507 newnfsstats.cllocallockowners = 0; 508 newnfsstats.cllocallocks = 0; 509 bzero(newnfsstats.srvrpccnt, 510 sizeof(newnfsstats.srvrpccnt)); 511 bzero(newnfsstats.cbrpccnt, 512 sizeof(newnfsstats.cbrpccnt)); 513 } 514 } 515 goto out; 516 } else if (uap->flag & NFSSVC_NFSUSERDPORT) { 517 u_short sockport; 518 519 error = copyin(uap->argp, (caddr_t)&sockport, 520 sizeof (u_short)); 521 if (!error) 522 error = nfsrv_nfsuserdport(sockport, p); 523 } else if (uap->flag & NFSSVC_NFSUSERDDELPORT) { 524 nfsrv_nfsuserddelport(); 525 error = 0; 526 } 527 528 out: 529 NFSEXITCODE(error); 530 return (error); 531 } 532 533 /* 534 * called by all three modevent routines, so that it gets things 535 * initialized soon enough. 536 */ 537 void 538 newnfs_portinit(void) 539 { 540 static int inited = 0; 541 542 if (inited) 543 return; 544 inited = 1; 545 /* Initialize SMP locks used by both client and server. */ 546 mtx_init(&newnfsd_mtx, "newnfsd_mtx", NULL, MTX_DEF); 547 mtx_init(&nfs_state_mutex, "nfs_state_mutex", NULL, MTX_DEF); 548 } 549 550 /* 551 * Determine if the file system supports NFSv4 ACLs. 552 * Return 1 if it does, 0 otherwise. 553 */ 554 int 555 nfs_supportsnfsv4acls(struct vnode *vp) 556 { 557 int error; 558 register_t retval; 559 560 ASSERT_VOP_LOCKED(vp, "nfs supports nfsv4acls"); 561 562 if (nfsrv_useacl == 0) 563 return (0); 564 error = VOP_PATHCONF(vp, _PC_ACL_NFS4, &retval); 565 if (error == 0 && retval != 0) 566 return (1); 567 return (0); 568 } 569 570 extern int (*nfsd_call_nfscommon)(struct thread *, struct nfssvc_args *); 571 572 /* 573 * Called once to initialize data structures... 574 */ 575 static int 576 nfscommon_modevent(module_t mod, int type, void *data) 577 { 578 int error = 0; 579 static int loaded = 0; 580 581 switch (type) { 582 case MOD_LOAD: 583 if (loaded) 584 goto out; 585 newnfs_portinit(); 586 mtx_init(&nfs_nameid_mutex, "nfs_nameid_mutex", NULL, MTX_DEF); 587 mtx_init(&nfs_sockl_mutex, "nfs_sockl_mutex", NULL, MTX_DEF); 588 mtx_init(&nfs_slock_mutex, "nfs_slock_mutex", NULL, MTX_DEF); 589 mtx_init(&nfs_req_mutex, "nfs_req_mutex", NULL, MTX_DEF); 590 mtx_init(&nfsrv_nfsuserdsock.nr_mtx, "nfsuserd", NULL, 591 MTX_DEF); 592 callout_init(&newnfsd_callout, CALLOUT_MPSAFE); 593 newnfs_init(); 594 nfsd_call_nfscommon = nfssvc_nfscommon; 595 loaded = 1; 596 break; 597 598 case MOD_UNLOAD: 599 if (newnfs_numnfsd != 0 || nfsrv_nfsuserd != 0 || 600 nfs_numnfscbd != 0) { 601 error = EBUSY; 602 break; 603 } 604 605 nfsd_call_nfscommon = NULL; 606 callout_drain(&newnfsd_callout); 607 /* and get rid of the mutexes */ 608 mtx_destroy(&nfs_nameid_mutex); 609 mtx_destroy(&newnfsd_mtx); 610 mtx_destroy(&nfs_state_mutex); 611 mtx_destroy(&nfs_sockl_mutex); 612 mtx_destroy(&nfs_slock_mutex); 613 mtx_destroy(&nfs_req_mutex); 614 mtx_destroy(&nfsrv_nfsuserdsock.nr_mtx); 615 loaded = 0; 616 break; 617 default: 618 error = EOPNOTSUPP; 619 break; 620 } 621 622 out: 623 NFSEXITCODE(error); 624 return error; 625 } 626 static moduledata_t nfscommon_mod = { 627 "nfscommon", 628 nfscommon_modevent, 629 NULL, 630 }; 631 DECLARE_MODULE(nfscommon, nfscommon_mod, SI_SUB_VFS, SI_ORDER_ANY); 632 633 /* So that loader and kldload(2) can find us, wherever we are.. */ 634 MODULE_VERSION(nfscommon, 1); 635 MODULE_DEPEND(nfscommon, nfssvc, 1, 1, 1); 636 MODULE_DEPEND(nfscommon, krpc, 1, 1, 1); 637 638