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
)
105 AFS_STATCNT(afs_CacheInit
);
107 * Jot down the epoch time, namely when this incarnation of the
108 * Cache Manager started.
110 afs_stats_cmperf
.epoch
= pag_epoch
= osi_Time();
112 afs_stats_cmperf
.sysName_ID
= SYS_NAME_ID
;
114 afs_stats_cmperf
.sysName_ID
= SYS_NAME_ID_UNDEFINED
;
115 #endif /* SYS_NAME_ID */
117 #ifdef AFS_MAXVCOUNT_ENV
118 afsd_dynamic_vcaches
= dynamic_vcaches
;
119 afs_warn("%s dynamically allocated vcaches\n",
120 ( afsd_dynamic_vcaches
? "enabling" : "disabling" ));
123 afs_warn("Starting AFS cache scan...");
124 if (afs_cacheinit_flag
)
126 afs_cacheinit_flag
= 1;
127 cacheInfoModTime
= 0;
129 LOCK_INIT(&afs_ftf
, "afs_ftf");
130 AFS_RWLOCK_INIT(&afs_xaxs
, "afs_xaxs");
131 AFS_RWLOCK_INIT(&afs_discon_lock
, "afs_discon_lock");
132 AFS_RWLOCK_INIT(&afs_disconDirtyLock
, "afs_disconDirtyLock");
133 QInit(&afs_disconDirty
);
134 QInit(&afs_disconShadow
);
138 * create volume list structure
142 else if (aVolumes
> 32767)
145 tv
= afs_osi_Alloc(aVolumes
* sizeof(struct volume
));
146 osi_Assert(tv
!= NULL
);
147 for (i
= 0; i
< aVolumes
- 1; i
++)
148 tv
[i
].next
= &tv
[i
+ 1];
149 tv
[aVolumes
- 1].next
= NULL
;
150 afs_freeVolList
= Initialafs_freeVolList
= tv
;
151 afs_memvolumes
= aVolumes
;
153 afs_cacheFiles
= afiles
;
154 afs_cacheStats
= astatSize
;
155 afs_vcacheInit(astatSize
);
156 code
= afs_dcacheInit(afiles
, ablocks
, aDentries
, achunk
, aflags
);
160 #if defined(AFS_LINUX26_ENV) && defined(STRUCT_TASK_STRUCT_HAS_CRED)
162 * Save current credentials for later access to disk cache files.
163 * If selinux, apparmor or other security modules are enabled,
164 * they might deny access to cache files if the userspace process
165 * is restricted. Save the credentials used at cache initialisation
166 * for later use when opening cache files.
168 cache_creds
= get_current_cred();
170 #ifdef AFS_64BIT_CLIENT
171 #ifdef AFS_VM_RDWR_ENV
172 afs_vmMappingEnd
= AFS_CHUNKBASE(0x7fffffff);
173 #endif /* AFS_VM_RDWR_ENV */
174 #endif /* AFS_64BIT_CLIENT */
176 #if defined(AFS_AIX_ENV) && !defined(AFS_AIX51_ENV)
178 static void afs_procsize_init(void);
184 /* Save the initialization parameters for later pioctl queries. */
185 cm_initParams
.cmi_version
= CMI_VERSION
;
186 cm_initParams
.cmi_nChunkFiles
= afiles
;
187 cm_initParams
.cmi_nStatCaches
= astatSize
;
188 cm_initParams
.cmi_nDataCaches
= aDentries
;
189 cm_initParams
.cmi_nVolumeCaches
= aVolumes
;
190 cm_initParams
.cmi_firstChunkSize
= AFS_FIRSTCSIZE
;
191 cm_initParams
.cmi_otherChunkSize
= AFS_OTHERCSIZE
;
192 cm_initParams
.cmi_cacheSize
= afs_cacheBlocks
;
193 cm_initParams
.cmi_setTime
= 0;
194 cm_initParams
.cmi_memCache
= (aflags
& AFSCALL_INIT_MEMCACHE
) ? 1 : 0;
202 * afs_ComputeCacheParams
205 * Set some cache parameters.
212 afs_ComputeCacheParms(void)
215 afs_int32 afs_maxCacheDirty
;
218 * Don't allow more than 2/3 of the files in the cache to be dirty.
220 afs_maxCacheDirty
= (2 * afs_cacheFiles
) / 3;
223 * Also, don't allow more than 2/3 of the total space get filled
224 * with dirty chunks. Compute the total number of chunks required
225 * to fill the cache, make sure we don't set out limit above 2/3 of
226 * that. If the cache size is greater than 1G, avoid overflow at
227 * the expense of precision on the chunk size.
229 if (afs_cacheBlocks
& 0xffe00000) {
230 i
= afs_cacheBlocks
/ (AFS_FIRSTCSIZE
>> 10);
232 i
= (afs_cacheBlocks
<< 10) / AFS_FIRSTCSIZE
;
235 if (afs_maxCacheDirty
> i
)
236 afs_maxCacheDirty
= i
;
237 if (afs_maxCacheDirty
< 1)
238 afs_maxCacheDirty
= 1;
239 afs_stats_cmperf
.cacheMaxDirtyChunks
= afs_maxCacheDirty
;
240 } /*afs_ComputeCacheParms */
244 * afs_LookupInodeByPath
246 * Look up inode given a file name.
247 * Optionally return the vnode too.
248 * If the vnode is not returned, we rele it.
251 afs_LookupInodeByPath(char *filename
, afs_ufs_dcache_id_t
*inode
,
256 #if defined(AFS_LINUX22_ENV)
258 code
= gop_lookupname(filename
, AFS_UIOSYS
, 0, &dp
);
261 osi_get_fh(dp
, inode
);
264 struct vnode
*filevp
;
265 code
= gop_lookupname(filename
, AFS_UIOSYS
, 0, &filevp
);
268 #ifdef AFS_CACHE_VNODE_PATH
269 *inode
= afs_strdup(filename
);
271 *inode
= afs_vnodeToInumber(filevp
);
284 afs_InitCellInfo(char *afile
)
286 afs_dcache_id_t inode
;
289 code
= afs_LookupInodeByPath(afile
, &inode
.ufs
, NULL
);
290 return afs_cellname_init(&inode
, code
);
297 * Set up the volume info storage file.
300 * afile : the file to be declared to be the volume info storage
301 * file for AFS. It must be already truncated to 0 length.
304 * This function is called only during initialization.
306 * WARNING: Data will be written to this file over time by AFS.
310 afs_InitVolumeInfo(char *afile
)
313 struct osi_file
*tfile
;
315 AFS_STATCNT(afs_InitVolumeInfo
);
316 #if defined(AFS_XBSD_ENV)
318 * On Open/Free/NetBSD, we can get into big trouble if we don't hold the volume file
319 * vnode. SetupVolume holds afs_xvolume lock exclusive.
320 * SetupVolume->GetVolSlot->UFSGetVolSlot->{GetVolCache or WriteVolCache}
321 * ->osi_UFSOpen->VFS_VGET()->ffs_vget->getnewvnode->vgone on some vnode.
322 * If it's AFS, then ->vclean->afs_nbsd_reclaim->FlushVCache->QueueVCB->
323 * GetVolume->FindVolume-> waits on afs_xvolume lock !
325 * In general, anything that's called with afs_xvolume locked must not
326 * end up calling getnewvnode(). The only cases I've found so far
327 * are things which try to get the volumeInode, and since we keep
330 code
= afs_LookupInodeByPath(afile
, &volumeInode
.ufs
, &volumeVnode
);
332 code
= afs_LookupInodeByPath(afile
, &volumeInode
.ufs
, NULL
);
336 tfile
= afs_CFileOpen(&volumeInode
);
338 afs_CFileTruncate(tfile
, 0);
339 afs_CFileClose(tfile
);
344 afs_InitFHeader(struct afs_fheader
*aheader
)
346 memset(aheader
, 0, sizeof(*aheader
));
347 aheader
->magic
= AFS_FHMAGIC
;
348 aheader
->version
= AFS_CI_VERSION
;
349 aheader
->dataSize
= sizeof(struct fcache
);
350 aheader
->firstCSize
= AFS_FIRSTCSIZE
;
351 aheader
->otherCSize
= AFS_OTHERCSIZE
;
358 * Set up the given file as the AFS cache info file.
361 * afile : Name of the file assumed to be the cache info file
362 * for the Cache Manager; it will be used as such.
363 * Side Effects: This sets afs_fragsize, which is used in the cache usage
364 * calculations such as in afs_adjustsize()
367 * This function is called only during initialization. The given
368 * file should NOT be truncated to 0 length; its contents describe
369 * what data is really in the cache.
371 * WARNING: data will be written to this file over time by AFS.
373 * NOTE: Starting to use separate osi_InitCacheInfo() routines to clean up
378 afs_InitCacheInfo(char *afile
)
381 struct osi_stat tstat
;
382 struct osi_file
*tfile
;
383 struct afs_fheader theader
;
384 #ifndef AFS_LINUX22_ENV
385 struct vnode
*filevp
;
389 AFS_STATCNT(afs_InitCacheInfo
);
390 if (cacheDiskType
!= AFS_FCACHE_TYPE_UFS
)
391 osi_Panic("afs_InitCacheInfo --- called for non-ufs cache!");
392 #ifdef AFS_LINUX22_ENV
393 code
= osi_InitCacheInfo(afile
);
397 code
= gop_lookupname(afile
, AFS_UIOSYS
, 0, &filevp
);
401 #if defined(AFS_SUN5_ENV)
403 #elif defined(AFS_HPUX102_ENV)
405 #elif defined(AFS_SGI_ENV) || defined(AFS_HPUX100_ENV) || defined(AFS_NBSD40_ENV)
407 #elif defined(AFS_DARWIN80_ENV)
413 #if defined(AFS_SGI_ENV)
415 VFS_STATVFS(filevp
->v_vfsp
, &st
, NULL
, code
);
418 if (!VFS_STATFS(filevp
->v_vfsp
, &st
, NULL
))
419 #endif /* AFS_SGI65_ENV */
420 #elif defined(AFS_SUN5_ENV) || defined(AFS_HPUX100_ENV)
421 if (!VFS_STATVFS(filevp
->v_vfsp
, &st
))
422 #elif defined(AFS_AIX41_ENV)
423 if (!VFS_STATFS(filevp
->v_vfsp
, &st
, &afs_osi_cred
))
424 #elif defined(AFS_LINUX20_ENV)
429 VFS_STATFS(filevp
->v_vfsp
, &st
);
432 #elif defined(AFS_DARWIN80_ENV)
433 afs_cacheVfsp
= vnode_mount(filevp
);
434 if (afs_cacheVfsp
&& ((st
= *(vfs_statfs(afs_cacheVfsp
))),1))
435 #elif defined(AFS_FBSD80_ENV)
436 if (!VFS_STATFS(filevp
->v_mount
, &st
))
437 #elif defined(AFS_NBSD50_ENV)
438 if (!VFS_STATVFS(filevp
->v_vfsp
, &st
))
439 #elif defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
440 if (!VFS_STATFS(filevp
->v_mount
, &st
, osi_curproc()))
442 if (!VFS_STATFS(filevp
->v_vfsp
, &st
))
444 #if defined(AFS_SUN5_ENV) || defined(AFS_HPUX100_ENV)
445 if (strcmp("zfs", st
.f_basetype
) == 0) {
447 * Files in ZFS can take up to around the next
448 * recordsize boundary after being truncated. recordsize
449 * is reported in statvfs by f_bsize, so use that
452 afs_fsfragsize
= st
.f_bsize
- 1;
454 afs_fsfragsize
= st
.f_frsize
- 1;
457 afs_fsfragsize
= st
.f_bsize
- 1;
460 #if defined(AFS_LINUX20_ENV)
461 cacheInode
.ufs
= filevp
->i_ino
;
462 afs_cacheSBp
= filevp
->i_sb
;
463 #elif defined(AFS_XBSD_ENV)
464 cacheInode
.ufs
= VTOI(filevp
)->i_number
;
465 cacheDev
.mp
= filevp
->v_mount
;
466 cacheDev
.held_vnode
= filevp
;
467 vref(filevp
); /* Make sure mount point stays busy. XXX */
468 #if !defined(AFS_OBSD_ENV)
469 afs_cacheVfsp
= filevp
->v_vfsp
;
472 #if defined(AFS_HAVE_VXFS) || defined(AFS_DARWIN_ENV)
473 afs_InitDualFSCacheOps(filevp
);
475 #ifndef AFS_CACHE_VNODE_PATH
476 #ifndef AFS_DARWIN80_ENV
477 afs_cacheVfsp
= filevp
->v_vfsp
;
479 cacheInode
.ufs
= afs_vnodeToInumber(filevp
);
481 afs_LookupInodeByPath(afile
, &cacheInode
.ufs
, NULL
);
483 cacheDev
.dev
= afs_vnodeToDev(filevp
);
484 #endif /* AFS_LINUX20_ENV */
486 #endif /* AFS_LINUX22_ENV */
487 if (afs_fsfragsize
< AFS_MIN_FRAGSIZE
) {
488 afs_fsfragsize
= AFS_MIN_FRAGSIZE
;
490 tfile
= osi_UFSOpen(&cacheInode
);
494 afs_osi_Stat(tfile
, &tstat
);
495 cacheInfoModTime
= tstat
.mtime
;
496 code
= afs_osi_Read(tfile
, -1, &theader
, sizeof(theader
));
498 if (code
== sizeof(theader
)) {
499 /* read the header correctly */
500 if (theader
.magic
== AFS_FHMAGIC
501 && theader
.firstCSize
== AFS_FIRSTCSIZE
502 && theader
.otherCSize
== AFS_OTHERCSIZE
503 && theader
.dataSize
== sizeof(struct fcache
)
504 && theader
.version
== AFS_CI_VERSION
)
508 /* write out a good file label */
509 afs_InitFHeader(&theader
);
510 afs_osi_Write(tfile
, 0, &theader
, sizeof(theader
));
512 * Truncate the rest of the file, since it may be arbitrarily
515 osi_UFSTruncate(tfile
, sizeof(struct afs_fheader
));
517 /* Leave the file open now, since reopening the file makes public pool
518 * vnode systems (like OSF/Alpha) much harder to handle, That's because
519 * they can do a vnode recycle operation any time we open a file, which
520 * we'd do on any afs_GetDSlot call, etc.
522 afs_cacheInodep
= (struct osi_file
*)tfile
;
526 int afs_resourceinit_flag
= 0;
528 afs_ResourceInit(int preallocs
)
531 static struct rx_securityClass
*secobj
;
533 AFS_STATCNT(afs_ResourceInit
);
534 AFS_RWLOCK_INIT(&afs_xuser
, "afs_xuser");
535 AFS_RWLOCK_INIT(&afs_xvolume
, "afs_xvolume");
536 AFS_RWLOCK_INIT(&afs_xserver
, "afs_xserver");
537 AFS_RWLOCK_INIT(&afs_xsrvAddr
, "afs_xsrvAddr");
538 AFS_RWLOCK_INIT(&afs_icl_lock
, "afs_icl_lock");
539 AFS_RWLOCK_INIT(&afs_xinterface
, "afs_xinterface");
540 LOCK_INIT(&afs_puttofileLock
, "afs_puttofileLock");
541 #ifndef AFS_PRIVATE_OSI_ALLOCSPACES
542 LOCK_INIT(&osi_fsplock
, "osi_fsplock");
543 LOCK_INIT(&osi_flplock
, "osi_flplock");
545 AFS_RWLOCK_INIT(&afs_xconn
, "afs_xconn");
548 afs_InitCBQueue(1); /* initialize callback queues */
550 if (afs_resourceinit_flag
== 0) {
551 afs_resourceinit_flag
= 1;
552 for (i
= 0; i
< NFENTRIES
; i
++)
554 for (i
= 0; i
< MAXNUMSYSNAMES
; i
++) {
555 afs_sysnamelist
[i
] = afs_osi_Alloc(MAXSYSNAME
);
556 osi_Assert(afs_sysnamelist
[i
] != NULL
);
558 afs_sysname
= afs_sysnamelist
[0];
559 strcpy(afs_sysname
, SYS_NAME
);
560 afs_sysnamecount
= 1;
564 secobj
= rxnull_NewServerSecurityObject();
566 rx_NewService(0, 1, "afs", &secobj
, 1, RXAFSCB_ExecuteRequest
);
568 rx_NewService(0, RX_STATS_SERVICE_ID
, "rpcstats", &secobj
, 1,
569 RXSTATS_ExecuteRequest
);
571 afs_osi_Wakeup(&afs_server
); /* wakeup anyone waiting for it */
574 } /*afs_ResourceInit */
576 #if defined(AFS_AIX_ENV) && !defined(AFS_AIX51_ENV)
579 * AIX dynamic sizeof(struct proc)
581 * AIX keeps its proc structures in an array. The size of struct proc
582 * varies from release to release of the OS. In order to maintain
583 * binary compatibility with releases later than what we build on, we
584 * need to determine the size of struct proc at run time.
586 * We need this in order to walk the proc[] array to do PAG garbage
589 * We also need this in order to support 'klog -setpag', since the
590 * kernel code needs to locate the proc structure for the parent process
591 * of the current process.
593 * To compute sizeof(struct proc), we need the addresses of two proc
594 * structures and their corresponding pids. Given the pids, we can use
595 * the PROCMASK() macro to compute their corresponding indices in the
596 * proc[] array. By dividing the distance between the pointers by the
597 * number of proc structures, we can compute the size of a single proc
600 * We know the base address of the proc table from v.vb_proc:
602 * <sys/sysconfig.h> declares sysconfig() and SYS_GETPARMS;
603 * (we don't use this, but I note it here for completeness)
605 * <sys/var.h> declares struct var and external variable v;
609 * v.ve_proc &proc[x] (current highwater mark for
610 * proc[] array usage)
612 * The first proc pointer is v.vb_proc, which is the proc structure for
613 * process 0. Process 0's pointer to its first child is the other proc
614 * pointer. If process 0 has no children, we simply give up and do not
615 * support features that require knowing the size of struct proc.
619 afs_procsize_init(void)
621 afs_proc_t
*p0
; /* pointer to process 0 */
622 afs_proc_t
*pN
; /* pointer to process 0's first child */
630 p0
= (afs_proc_t
*)v
.vb_proc
;
632 afs_gcpags
= AFS_GCPAGS_EPROC0
;
647 afs_gcpags
= AFS_GCPAGS_EPROCN
;
651 if (pN
->p_pid
== p0
->p_pid
) {
652 afs_gcpags
= AFS_GCPAGS_EEQPID
;
656 pN_index
= PROCMASK(pN
->p_pid
);
657 pN_offset
= ((char *)pN
- (char *)p0
);
658 procsize
= pN_offset
/ pN_index
;
661 * check that the computation was exact
664 if (pN_index
* procsize
!= pN_offset
) {
665 afs_gcpags
= AFS_GCPAGS_EINEXACT
;
670 * check that the proc table size is a multiple of procsize.
673 if ((((char *)v
.ve_proc
- (char *)v
.vb_proc
) % procsize
) != 0) {
674 afs_gcpags
= AFS_GCPAGS_EPROCEND
;
680 afs_gcpags_procsize
= procsize
;
688 * Clean up and shut down the AFS cache.
694 * Nothing interesting.
699 AFS_STATCNT(shutdown_cache
);
700 osi_Assert(afs_WriteThroughDSlots() == 0);
701 if (1/*afs_cold_shutdown*/) {
702 afs_cacheinit_flag
= 0;
707 afs_cacheFiles
= afs_cacheBlocks
= 0;
710 #if defined(AFS_XBSD_ENV)
711 /* memcache never sets this, so don't panic on shutdown */
712 if (volumeVnode
!= NULL
) {
713 vrele(volumeVnode
); /* let it go, finally. */
716 if (cacheDev
.held_vnode
) {
717 vrele(cacheDev
.held_vnode
);
718 cacheDev
.held_vnode
= NULL
;
721 #ifdef AFS_CACHE_VNODE_PATH
722 if (cacheDiskType
!= AFS_FCACHE_TYPE_MEM
) {
723 afs_osi_FreeStr(cacheInode
.ufs
);
724 afs_osi_FreeStr(volumeInode
.ufs
);
727 afs_reset_inode(&cacheInode
);
728 afs_reset_inode(&volumeInode
);
729 cacheInfoModTime
= 0;
731 afs_fsfragsize
= 1023;
732 memset(&cacheDev
, 0, sizeof(struct osi_dev
));
735 #if defined(AFS_LINUX26_ENV) && defined(STRUCT_TASK_STRUCT_HAS_CRED)
736 put_cred(cache_creds
);
738 } /*shutdown_cache */
742 shutdown_vnodeops(void)
744 AFS_STATCNT(shutdown_vnodeops
);
745 if (afs_cold_shutdown
) {
746 #ifndef AFS_LINUX20_ENV
755 shutdown_server(void)
758 struct afs_cbr
*tcbrp
, *tbrp
;
761 for (i
= 0; i
< NSERVERS
; i
++) {
762 struct server
*ts
, *next
;
767 for (sa
= ts
->addr
; sa
; sa
= sa
->next_sa
) {
769 /* afs_ReleaseConns has been updated to
770 * defer rx_DestroyConnection to Rx
771 * shutdown, as most recently was done
773 afs_ReleaseConns(sa
->conns
);
776 for (tcbrp
= ts
->cbrs
; tcbrp
; tcbrp
= tbrp
) {
778 * Free all server's callback structs
783 afs_osi_Free(ts
, sizeof(struct server
));
788 for (i
= 0; i
< NSERVERS
; i
++) {
789 struct srvAddr
*sa
, *next
;
791 sa
= afs_srvAddrs
[i
];
794 afs_osi_Free(sa
, sizeof(struct srvAddr
));
801 shutdown_volume(void)
806 for (i
= 0; i
< NVOLS
; i
++) {
807 for (tv
= afs_volumes
[i
]; tv
; tv
= tv
->next
) {
809 afs_osi_Free(tv
->name
, strlen(tv
->name
) + 1);
822 AFS_STATCNT(shutdown_AFS
);
823 if (afs_cold_shutdown
) {
824 afs_resourceinit_flag
= 0;
829 * Free FreeVolList allocations
831 afs_osi_Free(Initialafs_freeVolList
,
832 afs_memvolumes
* sizeof(struct volume
));
833 afs_freeVolList
= Initialafs_freeVolList
= 0;
835 /* XXX HACK for MEM systems XXX
837 * For -memcache cache managers when we run out of free in memory volumes
838 * we simply malloc more; we won't be able to free those additional volumes.
842 * Free Users table allocation
845 struct unixuser
*tu
, *ntu
;
846 for (i
= 0; i
< NUSERS
; i
++) {
847 for (tu
= afs_users
[i
]; tu
; tu
= ntu
) {
850 afs_FreeTokens(&tu
->tokens
);
852 EXP_RELE(tu
->exporter
);
853 afs_osi_Free(tu
, sizeof(struct unixuser
));
859 for (i
= 0; i
< NFENTRIES
; i
++)
861 /* Reinitialize local globals to defaults */
862 for (i
= 0; i
< MAXNUMSYSNAMES
; i
++)
863 afs_osi_Free(afs_sysnamelist
[i
], MAXSYSNAME
);
865 afs_sysnamecount
= 0;
868 afs_waitForever
= afs_waitForeverCount
= 0;
870 afs_server
= (struct rx_service
*)0;
871 AFS_RWLOCK_INIT(&afs_xconn
, "afs_xconn");
872 memset(&afs_rootFid
, 0, sizeof(struct VenusFid
));
873 AFS_RWLOCK_INIT(&afs_xuser
, "afs_xuser");
874 AFS_RWLOCK_INIT(&afs_xvolume
, "afs_xvolume");
875 AFS_RWLOCK_INIT(&afs_xserver
, "afs_xserver");
876 LOCK_INIT(&afs_puttofileLock
, "afs_puttofileLock");