2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
11 * afs_init.c - initialize AFS client.
16 #include <afsconfig.h>
17 #include "afs/param.h"
21 #include "afs/sysincludes.h" /* Standard vendor system headers */
22 #include "afsincludes.h" /* Afs-based standard headers */
23 #include "afs/afs_stats.h" /* afs statistics */
24 #include "rx/rxstat.h"
25 #if defined(AFS_LINUX26_ENV) && defined(STRUCT_TASK_STRUCT_HAS_CRED)
26 #include <linux/cred.h>
29 #define FSINT_COMMON_XG
30 #include "afs/afscbint.h"
32 /* Exported variables */
33 struct osi_dev cacheDev; /*Cache device */
34 afs_int32 cacheInfoModTime; /*Last time cache info modified */
35 #if defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV) || defined(AFS_NBSD_ENV)
36 struct mount *afs_cacheVfsp = 0;
37 #elif defined(AFS_LINUX20_ENV)
38 struct super_block *afs_cacheSBp = 0;
40 struct vfs *afs_cacheVfsp = 0;
42 afs_rwlock_t afs_puttofileLock; /* not used */
43 char *afs_sysname = 0; /* So that superuser may change the
44 * local value of @sys */
45 char *afs_sysnamelist[MAXNUMSYSNAMES]; /* For support of a list of sysname */
46 int afs_sysnamecount = 0;
47 int afs_sysnamegen = 0;
48 struct volume *Initialafs_freeVolList;
49 int afs_memvolumes = 0;
50 #if defined(AFS_XBSD_ENV)
51 static struct vnode *volumeVnode;
53 afs_rwlock_t afs_discon_lock;
54 extern afs_rwlock_t afs_disconDirtyLock;
55 #if defined(AFS_LINUX26_ENV) && defined(STRUCT_TASK_STRUCT_HAS_CRED)
56 const struct cred *cache_creds;
59 /* This is the kernel side of the dynamic vcache setting */
60 int afsd_dynamic_vcaches = 0; /* Enable dynamic-vcache support */
63 * Initialization order is important. Must first call afs_CacheInit,
64 * then cache file and volume file initialization routines. Next, the
65 * individual cache entry initialization routines are called.
75 * astatSize : The number of stat cache (vnode) entries to
77 * afiles : The number of disk files to allocate to the cache
78 * ablocks : The max number of 1 Kbyte blocks that all of
79 * the files in the cache may occupy.
80 * aDentries : Number of dcache entries to allocate.
81 * aVolumes : Number of volume cache entries to allocate.
82 * achunk : Power of 2 to make the chunks.
83 * aflags : Flags passed in.
84 * inodes : max inodes to pin down in inode[]
85 * users : what should size of per-user access cache be?
88 * This routine should only be called at initialization time, since
89 * it reclaims no resources and doesn't sufficiently synchronize
90 * with other processes.
93 struct cm_initparams cm_initParams;
94 static int afs_cacheinit_flag = 0;
96 afs_CacheInit(afs_int32 astatSize, afs_int32 afiles, afs_int32 ablocks,
97 afs_int32 aDentries, afs_int32 aVolumes, afs_int32 achunk,
98 afs_int32 aflags, afs_int32 ninodes, afs_int32 nusers,
99 afs_int32 dynamic_vcaches)
104 AFS_STATCNT(afs_CacheInit);
106 * Jot down the epoch time, namely when this incarnation of the
107 * Cache Manager started.
109 afs_stats_cmperf.epoch = pag_epoch = osi_Time();
111 afs_stats_cmperf.sysName_ID = SYS_NAME_ID;
113 afs_stats_cmperf.sysName_ID = SYS_NAME_ID_UNDEFINED;
114 #endif /* SYS_NAME_ID */
116 #ifdef AFS_MAXVCOUNT_ENV
117 afsd_dynamic_vcaches = dynamic_vcaches;
118 afs_warn("%s dynamically allocated vcaches\n",
119 ( afsd_dynamic_vcaches ? "enabling" : "disabling" ));
122 afs_warn("Starting AFS cache scan...");
123 if (afs_cacheinit_flag)
125 afs_cacheinit_flag = 1;
126 cacheInfoModTime = 0;
128 LOCK_INIT(&afs_ftf, "afs_ftf");
129 AFS_RWLOCK_INIT(&afs_xaxs, "afs_xaxs");
130 AFS_RWLOCK_INIT(&afs_discon_lock, "afs_discon_lock");
131 AFS_RWLOCK_INIT(&afs_disconDirtyLock, "afs_disconDirtyLock");
132 QInit(&afs_disconDirty);
133 QInit(&afs_disconShadow);
137 * create volume list structure
141 else if (aVolumes > 32767)
144 tv = afs_osi_Alloc(aVolumes * sizeof(struct volume));
145 osi_Assert(tv != NULL);
146 for (i = 0; i < aVolumes - 1; i++)
147 tv[i].next = &tv[i + 1];
148 tv[aVolumes - 1].next = NULL;
149 afs_freeVolList = Initialafs_freeVolList = tv;
150 afs_memvolumes = aVolumes;
152 afs_cacheFiles = afiles;
153 afs_cacheStats = astatSize;
154 afs_vcacheInit(astatSize);
155 afs_dcacheInit(afiles, ablocks, aDentries, achunk, aflags);
156 #if defined(AFS_LINUX26_ENV) && defined(STRUCT_TASK_STRUCT_HAS_CRED)
158 * Save current credentials for later access to disk cache files.
159 * If selinux, apparmor or other security modules are enabled,
160 * they might deny access to cache files if the userspace process
161 * is restricted. Save the credentials used at cache initialisation
162 * for later use when opening cache files.
164 cache_creds = get_current_cred();
166 #ifdef AFS_64BIT_CLIENT
167 #ifdef AFS_VM_RDWR_ENV
168 afs_vmMappingEnd = AFS_CHUNKBASE(0x7fffffff);
169 #endif /* AFS_VM_RDWR_ENV */
170 #endif /* AFS_64BIT_CLIENT */
172 #if defined(AFS_AIX_ENV) && !defined(AFS_AIX51_ENV)
174 static void afs_procsize_init(void);
180 /* Save the initialization parameters for later pioctl queries. */
181 cm_initParams.cmi_version = CMI_VERSION;
182 cm_initParams.cmi_nChunkFiles = afiles;
183 cm_initParams.cmi_nStatCaches = astatSize;
184 cm_initParams.cmi_nDataCaches = aDentries;
185 cm_initParams.cmi_nVolumeCaches = aVolumes;
186 cm_initParams.cmi_firstChunkSize = AFS_FIRSTCSIZE;
187 cm_initParams.cmi_otherChunkSize = AFS_OTHERCSIZE;
188 cm_initParams.cmi_cacheSize = afs_cacheBlocks;
189 cm_initParams.cmi_setTime = 0;
190 cm_initParams.cmi_memCache = (aflags & AFSCALL_INIT_MEMCACHE) ? 1 : 0;
198 * afs_ComputeCacheParams
201 * Set some cache parameters.
208 afs_ComputeCacheParms(void)
211 afs_int32 afs_maxCacheDirty;
214 * Don't allow more than 2/3 of the files in the cache to be dirty.
216 afs_maxCacheDirty = (2 * afs_cacheFiles) / 3;
219 * Also, don't allow more than 2/3 of the total space get filled
220 * with dirty chunks. Compute the total number of chunks required
221 * to fill the cache, make sure we don't set out limit above 2/3 of
222 * that. If the cache size is greater than 1G, avoid overflow at
223 * the expense of precision on the chunk size.
225 if (afs_cacheBlocks & 0xffe00000) {
226 i = afs_cacheBlocks / (AFS_FIRSTCSIZE >> 10);
228 i = (afs_cacheBlocks << 10) / AFS_FIRSTCSIZE;
231 if (afs_maxCacheDirty > i)
232 afs_maxCacheDirty = i;
233 if (afs_maxCacheDirty < 1)
234 afs_maxCacheDirty = 1;
235 afs_stats_cmperf.cacheMaxDirtyChunks = afs_maxCacheDirty;
236 } /*afs_ComputeCacheParms */
240 * afs_LookupInodeByPath
242 * Look up inode given a file name.
243 * Optionally return the vnode too.
244 * If the vnode is not returned, we rele it.
247 afs_LookupInodeByPath(char *filename, afs_ufs_dcache_id_t *inode,
252 #if defined(AFS_LINUX22_ENV)
254 code = gop_lookupname(filename, AFS_UIOSYS, 0, &dp);
257 osi_get_fh(dp, inode);
260 struct vnode *filevp;
261 code = gop_lookupname(filename, AFS_UIOSYS, 0, &filevp);
264 #ifdef AFS_CACHE_VNODE_PATH
265 *inode = afs_strdup(filename);
267 *inode = afs_vnodeToInumber(filevp);
280 afs_InitCellInfo(char *afile)
282 afs_dcache_id_t inode;
285 code = afs_LookupInodeByPath(afile, &inode.ufs, NULL);
286 return afs_cellname_init(&inode, code);
293 * Set up the volume info storage file.
296 * afile : the file to be declared to be the volume info storage
297 * file for AFS. It must be already truncated to 0 length.
300 * This function is called only during initialization.
302 * WARNING: Data will be written to this file over time by AFS.
306 afs_InitVolumeInfo(char *afile)
309 struct osi_file *tfile;
311 AFS_STATCNT(afs_InitVolumeInfo);
312 #if defined(AFS_XBSD_ENV)
314 * On Open/Free/NetBSD, we can get into big trouble if we don't hold the volume file
315 * vnode. SetupVolume holds afs_xvolume lock exclusive.
316 * SetupVolume->GetVolSlot->UFSGetVolSlot->{GetVolCache or WriteVolCache}
317 * ->osi_UFSOpen->VFS_VGET()->ffs_vget->getnewvnode->vgone on some vnode.
318 * If it's AFS, then ->vclean->afs_nbsd_reclaim->FlushVCache->QueueVCB->
319 * GetVolume->FindVolume-> waits on afs_xvolume lock !
321 * In general, anything that's called with afs_xvolume locked must not
322 * end up calling getnewvnode(). The only cases I've found so far
323 * are things which try to get the volumeInode, and since we keep
326 code = afs_LookupInodeByPath(afile, &volumeInode.ufs, &volumeVnode);
328 code = afs_LookupInodeByPath(afile, &volumeInode.ufs, NULL);
332 tfile = afs_CFileOpen(&volumeInode);
334 afs_CFileTruncate(tfile, 0);
335 afs_CFileClose(tfile);
340 afs_InitFHeader(struct afs_fheader *aheader)
342 memset(aheader, 0, sizeof(*aheader));
343 aheader->magic = AFS_FHMAGIC;
344 aheader->version = AFS_CI_VERSION;
345 aheader->dataSize = sizeof(struct fcache);
346 aheader->firstCSize = AFS_FIRSTCSIZE;
347 aheader->otherCSize = AFS_OTHERCSIZE;
354 * Set up the given file as the AFS cache info file.
357 * afile : Name of the file assumed to be the cache info file
358 * for the Cache Manager; it will be used as such.
359 * Side Effects: This sets afs_fragsize, which is used in the cache usage
360 * calculations such as in afs_adjustsize()
363 * This function is called only during initialization. The given
364 * file should NOT be truncated to 0 length; its contents describe
365 * what data is really in the cache.
367 * WARNING: data will be written to this file over time by AFS.
369 * NOTE: Starting to use separate osi_InitCacheInfo() routines to clean up
374 afs_InitCacheInfo(char *afile)
377 struct osi_stat tstat;
378 struct osi_file *tfile;
379 struct afs_fheader theader;
380 #ifndef AFS_LINUX22_ENV
381 struct vnode *filevp;
385 AFS_STATCNT(afs_InitCacheInfo);
386 if (cacheDiskType != AFS_FCACHE_TYPE_UFS)
387 osi_Panic("afs_InitCacheInfo --- called for non-ufs cache!");
388 #ifdef AFS_LINUX22_ENV
389 code = osi_InitCacheInfo(afile);
393 code = gop_lookupname(afile, AFS_UIOSYS, 0, &filevp);
397 #if defined(AFS_SUN5_ENV)
399 #elif defined(AFS_HPUX102_ENV)
401 #elif defined(AFS_SGI_ENV) || defined(AFS_HPUX100_ENV) || defined(AFS_NBSD40_ENV)
403 #elif defined(AFS_DARWIN80_ENV)
409 #if defined(AFS_SGI_ENV)
411 VFS_STATVFS(filevp->v_vfsp, &st, NULL, code);
414 if (!VFS_STATFS(filevp->v_vfsp, &st, NULL))
415 #endif /* AFS_SGI65_ENV */
416 #elif defined(AFS_SUN5_ENV) || defined(AFS_HPUX100_ENV)
417 if (!VFS_STATVFS(filevp->v_vfsp, &st))
418 #elif defined(AFS_AIX41_ENV)
419 if (!VFS_STATFS(filevp->v_vfsp, &st, &afs_osi_cred))
420 #elif defined(AFS_LINUX20_ENV)
425 VFS_STATFS(filevp->v_vfsp, &st);
428 #elif defined(AFS_DARWIN80_ENV)
429 afs_cacheVfsp = vnode_mount(filevp);
430 if (afs_cacheVfsp && ((st = *(vfs_statfs(afs_cacheVfsp))),1))
431 #elif defined(AFS_FBSD80_ENV)
432 if (!VFS_STATFS(filevp->v_mount, &st))
433 #elif defined(AFS_NBSD50_ENV)
434 if (!VFS_STATVFS(filevp->v_vfsp, &st))
435 #elif defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
436 if (!VFS_STATFS(filevp->v_mount, &st, osi_curproc()))
438 if (!VFS_STATFS(filevp->v_vfsp, &st))
440 #if defined(AFS_SUN5_ENV) || defined(AFS_HPUX100_ENV)
441 if (strcmp("zfs", st.f_basetype) == 0) {
443 * Files in ZFS can take up to around the next
444 * recordsize boundary after being truncated. recordsize
445 * is reported in statvfs by f_bsize, so use that
448 afs_fsfragsize = st.f_bsize - 1;
450 afs_fsfragsize = st.f_frsize - 1;
453 afs_fsfragsize = st.f_bsize - 1;
456 #if defined(AFS_LINUX20_ENV)
457 cacheInode.ufs = filevp->i_ino;
458 afs_cacheSBp = filevp->i_sb;
459 #elif defined(AFS_XBSD_ENV)
460 cacheInode.ufs = VTOI(filevp)->i_number;
461 cacheDev.mp = filevp->v_mount;
462 cacheDev.held_vnode = filevp;
463 vref(filevp); /* Make sure mount point stays busy. XXX */
464 #if !defined(AFS_OBSD_ENV)
465 afs_cacheVfsp = filevp->v_vfsp;
468 #if defined(AFS_HAVE_VXFS) || defined(AFS_DARWIN_ENV)
469 afs_InitDualFSCacheOps(filevp);
471 #ifndef AFS_CACHE_VNODE_PATH
472 #ifndef AFS_DARWIN80_ENV
473 afs_cacheVfsp = filevp->v_vfsp;
475 cacheInode.ufs = afs_vnodeToInumber(filevp);
477 afs_LookupInodeByPath(afile, &cacheInode.ufs, NULL);
479 cacheDev.dev = afs_vnodeToDev(filevp);
480 #endif /* AFS_LINUX20_ENV */
482 #endif /* AFS_LINUX22_ENV */
483 if (afs_fsfragsize < AFS_MIN_FRAGSIZE) {
484 afs_fsfragsize = AFS_MIN_FRAGSIZE;
486 tfile = osi_UFSOpen(&cacheInode);
490 afs_osi_Stat(tfile, &tstat);
491 cacheInfoModTime = tstat.mtime;
492 code = afs_osi_Read(tfile, -1, &theader, sizeof(theader));
494 if (code == sizeof(theader)) {
495 /* read the header correctly */
496 if (theader.magic == AFS_FHMAGIC
497 && theader.firstCSize == AFS_FIRSTCSIZE
498 && theader.otherCSize == AFS_OTHERCSIZE
499 && theader.dataSize == sizeof(struct fcache)
500 && theader.version == AFS_CI_VERSION)
504 /* write out a good file label */
505 afs_InitFHeader(&theader);
506 afs_osi_Write(tfile, 0, &theader, sizeof(theader));
508 * Truncate the rest of the file, since it may be arbitrarily
511 osi_UFSTruncate(tfile, sizeof(struct afs_fheader));
513 /* Leave the file open now, since reopening the file makes public pool
514 * vnode systems (like OSF/Alpha) much harder to handle, That's because
515 * they can do a vnode recycle operation any time we open a file, which
516 * we'd do on any afs_GetDSlot call, etc.
518 afs_cacheInodep = (struct osi_file *)tfile;
522 int afs_resourceinit_flag = 0;
524 afs_ResourceInit(int preallocs)
527 static struct rx_securityClass *secobj;
529 AFS_STATCNT(afs_ResourceInit);
530 AFS_RWLOCK_INIT(&afs_xuser, "afs_xuser");
531 AFS_RWLOCK_INIT(&afs_xvolume, "afs_xvolume");
532 AFS_RWLOCK_INIT(&afs_xserver, "afs_xserver");
533 AFS_RWLOCK_INIT(&afs_xsrvAddr, "afs_xsrvAddr");
534 AFS_RWLOCK_INIT(&afs_icl_lock, "afs_icl_lock");
535 AFS_RWLOCK_INIT(&afs_xinterface, "afs_xinterface");
536 LOCK_INIT(&afs_puttofileLock, "afs_puttofileLock");
537 #ifndef AFS_PRIVATE_OSI_ALLOCSPACES
538 LOCK_INIT(&osi_fsplock, "osi_fsplock");
539 LOCK_INIT(&osi_flplock, "osi_flplock");
541 AFS_RWLOCK_INIT(&afs_xconn, "afs_xconn");
544 afs_InitCBQueue(1); /* initialize callback queues */
546 if (afs_resourceinit_flag == 0) {
547 afs_resourceinit_flag = 1;
548 for (i = 0; i < NFENTRIES; i++)
550 for (i = 0; i < MAXNUMSYSNAMES; i++) {
551 afs_sysnamelist[i] = afs_osi_Alloc(MAXSYSNAME);
552 osi_Assert(afs_sysnamelist[i] != NULL);
554 afs_sysname = afs_sysnamelist[0];
555 strcpy(afs_sysname, SYS_NAME);
556 afs_sysnamecount = 1;
560 secobj = rxnull_NewServerSecurityObject();
562 rx_NewService(0, 1, "afs", &secobj, 1, RXAFSCB_ExecuteRequest);
564 rx_NewService(0, RX_STATS_SERVICE_ID, "rpcstats", &secobj, 1,
565 RXSTATS_ExecuteRequest);
567 afs_osi_Wakeup(&afs_server); /* wakeup anyone waiting for it */
570 } /*afs_ResourceInit */
572 #if defined(AFS_AIX_ENV) && !defined(AFS_AIX51_ENV)
575 * AIX dynamic sizeof(struct proc)
577 * AIX keeps its proc structures in an array. The size of struct proc
578 * varies from release to release of the OS. In order to maintain
579 * binary compatibility with releases later than what we build on, we
580 * need to determine the size of struct proc at run time.
582 * We need this in order to walk the proc[] array to do PAG garbage
585 * We also need this in order to support 'klog -setpag', since the
586 * kernel code needs to locate the proc structure for the parent process
587 * of the current process.
589 * To compute sizeof(struct proc), we need the addresses of two proc
590 * structures and their corresponding pids. Given the pids, we can use
591 * the PROCMASK() macro to compute their corresponding indices in the
592 * proc[] array. By dividing the distance between the pointers by the
593 * number of proc structures, we can compute the size of a single proc
596 * We know the base address of the proc table from v.vb_proc:
598 * <sys/sysconfig.h> declares sysconfig() and SYS_GETPARMS;
599 * (we don't use this, but I note it here for completeness)
601 * <sys/var.h> declares struct var and external variable v;
605 * v.ve_proc &proc[x] (current highwater mark for
606 * proc[] array usage)
608 * The first proc pointer is v.vb_proc, which is the proc structure for
609 * process 0. Process 0's pointer to its first child is the other proc
610 * pointer. If process 0 has no children, we simply give up and do not
611 * support features that require knowing the size of struct proc.
615 afs_procsize_init(void)
617 afs_proc_t *p0; /* pointer to process 0 */
618 afs_proc_t *pN; /* pointer to process 0's first child */
626 p0 = (afs_proc_t *)v.vb_proc;
628 afs_gcpags = AFS_GCPAGS_EPROC0;
643 afs_gcpags = AFS_GCPAGS_EPROCN;
647 if (pN->p_pid == p0->p_pid) {
648 afs_gcpags = AFS_GCPAGS_EEQPID;
652 pN_index = PROCMASK(pN->p_pid);
653 pN_offset = ((char *)pN - (char *)p0);
654 procsize = pN_offset / pN_index;
657 * check that the computation was exact
660 if (pN_index * procsize != pN_offset) {
661 afs_gcpags = AFS_GCPAGS_EINEXACT;
666 * check that the proc table size is a multiple of procsize.
669 if ((((char *)v.ve_proc - (char *)v.vb_proc) % procsize) != 0) {
670 afs_gcpags = AFS_GCPAGS_EPROCEND;
676 afs_gcpags_procsize = procsize;
684 * Clean up and shut down the AFS cache.
690 * Nothing interesting.
695 AFS_STATCNT(shutdown_cache);
696 afs_WriteThroughDSlots();
697 if (1/*afs_cold_shutdown*/) {
698 afs_cacheinit_flag = 0;
703 afs_cacheFiles = afs_cacheBlocks = 0;
706 #if defined(AFS_XBSD_ENV)
707 /* memcache never sets this, so don't panic on shutdown */
708 if (volumeVnode != NULL) {
709 vrele(volumeVnode); /* let it go, finally. */
712 if (cacheDev.held_vnode) {
713 vrele(cacheDev.held_vnode);
714 cacheDev.held_vnode = NULL;
717 #ifdef AFS_CACHE_VNODE_PATH
718 if (cacheDiskType != AFS_FCACHE_TYPE_MEM) {
719 afs_osi_FreeStr(cacheInode.ufs);
720 afs_osi_FreeStr(volumeInode.ufs);
723 afs_reset_inode(&cacheInode);
724 afs_reset_inode(&volumeInode);
725 cacheInfoModTime = 0;
727 afs_fsfragsize = 1023;
728 memset(&cacheDev, 0, sizeof(struct osi_dev));
731 #if defined(AFS_LINUX26_ENV) && defined(STRUCT_TASK_STRUCT_HAS_CRED)
732 put_cred(cache_creds);
734 } /*shutdown_cache */
738 shutdown_vnodeops(void)
740 AFS_STATCNT(shutdown_vnodeops);
741 if (afs_cold_shutdown) {
742 #ifndef AFS_LINUX20_ENV
751 shutdown_server(void)
754 struct afs_cbr *tcbrp, *tbrp;
757 for (i = 0; i < NSERVERS; i++) {
758 struct server *ts, *next;
763 for (sa = ts->addr; sa; sa = sa->next_sa) {
765 /* afs_ReleaseConns has been updated to
766 * defer rx_DestroyConnection to Rx
767 * shutdown, as most recently was done
769 afs_ReleaseConns(sa->conns);
772 for (tcbrp = ts->cbrs; tcbrp; tcbrp = tbrp) {
774 * Free all server's callback structs
779 afs_osi_Free(ts, sizeof(struct server));
784 for (i = 0; i < NSERVERS; i++) {
785 struct srvAddr *sa, *next;
787 sa = afs_srvAddrs[i];
790 afs_osi_Free(sa, sizeof(struct srvAddr));
797 shutdown_volume(void)
802 for (i = 0; i < NVOLS; i++) {
803 for (tv = afs_volumes[i]; tv; tv = tv->next) {
805 afs_osi_Free(tv->name, strlen(tv->name) + 1);
818 AFS_STATCNT(shutdown_AFS);
819 if (afs_cold_shutdown) {
820 afs_resourceinit_flag = 0;
825 * Free FreeVolList allocations
827 afs_osi_Free(Initialafs_freeVolList,
828 afs_memvolumes * sizeof(struct volume));
829 afs_freeVolList = Initialafs_freeVolList = 0;
831 /* XXX HACK for MEM systems XXX
833 * For -memcache cache managers when we run out of free in memory volumes
834 * we simply malloc more; we won't be able to free those additional volumes.
838 * Free Users table allocation
841 struct unixuser *tu, *ntu;
842 for (i = 0; i < NUSERS; i++) {
843 for (tu = afs_users[i]; tu; tu = ntu) {
846 afs_FreeTokens(&tu->tokens);
848 EXP_RELE(tu->exporter);
849 afs_osi_Free(tu, sizeof(struct unixuser));
855 for (i = 0; i < NFENTRIES; i++)
857 /* Reinitialize local globals to defaults */
858 for (i = 0; i < MAXNUMSYSNAMES; i++)
859 afs_osi_Free(afs_sysnamelist[i], MAXSYSNAME);
861 afs_sysnamecount = 0;
864 afs_waitForever = afs_waitForeverCount = 0;
866 afs_server = (struct rx_service *)0;
867 AFS_RWLOCK_INIT(&afs_xconn, "afs_xconn");
868 memset(&afs_rootFid, 0, sizeof(struct VenusFid));
869 AFS_RWLOCK_INIT(&afs_xuser, "afs_xuser");
870 AFS_RWLOCK_INIT(&afs_xvolume, "afs_xvolume");
871 AFS_RWLOCK_INIT(&afs_xserver, "afs_xserver");
872 LOCK_INIT(&afs_puttofileLock, "afs_puttofileLock");