/*
* Copyright 2000, International Business Machines Corporation and others.
* All Rights Reserved.
- *
+ *
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
#include "afsincludes.h" /* Afs-based standard headers */
#include "afs/afs_stats.h" /* afs statistics */
#include "rx/rxstat.h"
+#if defined(AFS_LINUX26_ENV) && defined(STRUCT_TASK_STRUCT_HAS_CRED)
+#include <linux/cred.h>
+#endif
#define FSINT_COMMON_XG
#include "afs/afscbint.h"
/* Exported variables */
struct osi_dev cacheDev; /*Cache device */
afs_int32 cacheInfoModTime; /*Last time cache info modified */
-#if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
+#if defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV) || defined(AFS_NBSD_ENV)
struct mount *afs_cacheVfsp = 0;
#elif defined(AFS_LINUX20_ENV)
struct super_block *afs_cacheSBp = 0;
#if defined(AFS_XBSD_ENV)
static struct vnode *volumeVnode;
#endif
-#if defined(AFS_DISCON_ENV)
afs_rwlock_t afs_discon_lock;
extern afs_rwlock_t afs_disconDirtyLock;
+#if defined(AFS_LINUX26_ENV) && defined(STRUCT_TASK_STRUCT_HAS_CRED)
+const struct cred *cache_creds;
#endif
/* This is the kernel side of the dynamic vcache setting */
+#ifdef AFS_MAXVCOUNT_ENV
int afsd_dynamic_vcaches = 0; /* Enable dynamic-vcache support */
+#endif
/*
* Initialization order is important. Must first call afs_CacheInit,
int
afs_CacheInit(afs_int32 astatSize, afs_int32 afiles, afs_int32 ablocks,
afs_int32 aDentries, afs_int32 aVolumes, afs_int32 achunk,
- afs_int32 aflags, afs_int32 ninodes, afs_int32 nusers, afs_int32 dynamic_vcaches)
+ afs_int32 aflags, afs_int32 ninodes, afs_int32 nusers,
+ afs_int32 dynamic_vcaches)
{
- register afs_int32 i;
- register struct volume *tv;
+ afs_int32 i;
+ struct volume *tv;
AFS_STATCNT(afs_CacheInit);
/*
#endif /* SYS_NAME_ID */
#ifdef AFS_MAXVCOUNT_ENV
- afsd_dynamic_vcaches = dynamic_vcaches;
- printf("%s dynamically allocated vcaches\n", ( afsd_dynamic_vcaches ? "enabling" : "disabling" ));
-#else
- afsd_dynamic_vcaches = 0;
+ afsd_dynamic_vcaches = dynamic_vcaches;
+ afs_warn("%s dynamically allocated vcaches\n",
+ ( afsd_dynamic_vcaches ? "enabling" : "disabling" ));
#endif
- printf("Starting AFS cache scan...");
+ afs_warn("Starting AFS cache scan...");
if (afs_cacheinit_flag)
return 0;
afs_cacheinit_flag = 1;
cacheInfoModTime = 0;
- maxIHint = ninodes;
- nihints = 0;
- usedihint = 0;
LOCK_INIT(&afs_ftf, "afs_ftf");
AFS_RWLOCK_INIT(&afs_xaxs, "afs_xaxs");
-#ifdef AFS_DISCON_ENV
AFS_RWLOCK_INIT(&afs_discon_lock, "afs_discon_lock");
AFS_RWLOCK_INIT(&afs_disconDirtyLock, "afs_disconDirtyLock");
QInit(&afs_disconDirty);
QInit(&afs_disconShadow);
-#endif
osi_dnlc_init();
- /*
- * create volume list structure
+ /*
+ * create volume list structure
*/
if (aVolumes < 50)
aVolumes = 50;
else if (aVolumes > 32767)
aVolumes = 32767;
- tv = (struct volume *)afs_osi_Alloc(aVolumes * sizeof(struct volume));
+ tv = afs_osi_Alloc(aVolumes * sizeof(struct volume));
+ osi_Assert(tv != NULL);
for (i = 0; i < aVolumes - 1; i++)
tv[i].next = &tv[i + 1];
tv[aVolumes - 1].next = NULL;
afs_cacheStats = astatSize;
afs_vcacheInit(astatSize);
afs_dcacheInit(afiles, ablocks, aDentries, achunk, aflags);
+#if defined(AFS_LINUX26_ENV) && defined(STRUCT_TASK_STRUCT_HAS_CRED)
+ /*
+ * Save current credentials for later access to disk cache files.
+ * If selinux, apparmor or other security modules are enabled,
+ * they might deny access to cache files if the userspace process
+ * is restricted. Save the credentials used at cache initialisation
+ * for later use when opening cache files.
+ */
+ cache_creds = get_current_cred();
+#endif
#ifdef AFS_64BIT_CLIENT
#ifdef AFS_VM_RDWR_ENV
afs_vmMappingEnd = AFS_CHUNKBASE(0x7fffffff);
void
afs_ComputeCacheParms(void)
{
- register afs_int32 i;
+ afs_int32 i;
afs_int32 afs_maxCacheDirty;
/*
* If the vnode is not returned, we rele it.
*/
int
-afs_LookupInodeByPath(char *filename, afs_ufs_dcache_id_t *inode, struct vnode **fvpp)
+afs_LookupInodeByPath(char *filename, afs_ufs_dcache_id_t *inode,
+ struct vnode **fvpp)
{
afs_int32 code;
code = gop_lookupname(filename, AFS_UIOSYS, 0, &filevp);
if (code)
return code;
+#ifdef AFS_CACHE_VNODE_PATH
+ *inode = afs_strdup(filename);
+#else
*inode = afs_vnodeToInumber(filevp);
+#endif
if (fvpp)
*fvpp = filevp;
else {
{
afs_dcache_id_t inode;
int code = 0;
-
-#ifdef AFS_CACHE_VNODE_PATH
- inode.ufs = AFS_CACHE_CELLS_INODE;
-#else
+
code = afs_LookupInodeByPath(afile, &inode.ufs, NULL);
-#endif
return afs_cellname_init(&inode, code);
}
* it in the cache...
*/
code = afs_LookupInodeByPath(afile, &volumeInode.ufs, &volumeVnode);
-#elif defined(AFS_CACHE_VNODE_PATH)
- volumeInode.ufs = AFS_CACHE_VOLUME_INODE;
#else
code = afs_LookupInodeByPath(afile, &volumeInode.ufs, NULL);
#endif
* Parameters:
* afile : Name of the file assumed to be the cache info file
* for the Cache Manager; it will be used as such.
- * Side Effects: This sets afs_fragsize, which is used in the cache usage
+ * Side Effects: This sets afs_fragsize, which is used in the cache usage
* calculations such as in afs_adjustsize()
*
* Environment:
*
*/
int
-afs_InitCacheInfo(register char *afile)
+afs_InitCacheInfo(char *afile)
{
- register afs_int32 code;
+ afs_int32 code;
struct osi_stat tstat;
- register struct osi_file *tfile;
+ struct osi_file *tfile;
struct afs_fheader theader;
#ifndef AFS_LINUX22_ENV
struct vnode *filevp;
if (code || !filevp)
return ENOENT;
{
-#if defined(AFS_SUN56_ENV)
+#if defined(AFS_SUN5_ENV)
struct statvfs64 st;
#elif defined(AFS_HPUX102_ENV)
struct k_statvfs st;
-#elif defined(AFS_SUN5_ENV) || defined(AFS_SGI_ENV) ||defined(AFS_HPUX100_ENV)
+#elif defined(AFS_SGI_ENV) || defined(AFS_HPUX100_ENV) || defined(AFS_NBSD40_ENV)
struct statvfs st;
-#elif defined(AFS_DUX40_ENV)
- struct nstatfs st;
#elif defined(AFS_DARWIN80_ENV)
struct vfsstatfs st;
#else
struct statfs st;
-#endif /* SUN56 */
+#endif /* SUN5 */
#if defined(AFS_SGI_ENV)
#ifdef AFS_SGI65_ENV
#endif /* AFS_SGI65_ENV */
#elif defined(AFS_SUN5_ENV) || defined(AFS_HPUX100_ENV)
if (!VFS_STATVFS(filevp->v_vfsp, &st))
-#elif defined(AFS_OSF_ENV)
-
- VFS_STATFS(filevp->v_vfsp, code);
- /* struct copy */
- st = filevp->v_vfsp->m_stat;
- if (code == 0)
#elif defined(AFS_AIX41_ENV)
if (!VFS_STATFS(filevp->v_vfsp, &st, &afs_osi_cred))
#elif defined(AFS_LINUX20_ENV)
#elif defined(AFS_DARWIN80_ENV)
afs_cacheVfsp = vnode_mount(filevp);
if (afs_cacheVfsp && ((st = *(vfs_statfs(afs_cacheVfsp))),1))
-#elif defined(AFS_DARWIN_ENV)
- if (!VFS_STATFS(filevp->v_mount, &st, current_proc()))
-#elif defined(AFS_FBSD50_ENV)
- if (!VFS_STATFS(filevp->v_mount, &st, curthread))
-#elif defined(AFS_XBSD_ENV)
- if (!VFS_STATFS(filevp->v_mount, &st, curproc))
+#elif defined(AFS_FBSD80_ENV)
+ if (!VFS_STATFS(filevp->v_mount, &st))
+#elif defined(AFS_NBSD50_ENV)
+ if (!VFS_STATVFS(filevp->v_vfsp, &st))
+#elif defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
+ if (!VFS_STATFS(filevp->v_mount, &st, osi_curproc()))
#else
if (!VFS_STATFS(filevp->v_vfsp, &st))
#endif /* SGI... */
afs_cacheVfsp = filevp->v_vfsp;
#endif
#else
-#if defined(AFS_SGI62_ENV) || defined(AFS_HAVE_VXFS) || defined(AFS_DARWIN_ENV)
+#if defined(AFS_HAVE_VXFS) || defined(AFS_DARWIN_ENV)
afs_InitDualFSCacheOps(filevp);
#endif
#ifndef AFS_CACHE_VNODE_PATH
#endif
cacheInode.ufs = afs_vnodeToInumber(filevp);
#else
- cacheInode.ufs = AFS_CACHE_ITEMS_INODE;
+ afs_LookupInodeByPath(afile, &cacheInode.ufs, NULL);
#endif
cacheDev.dev = afs_vnodeToDev(filevp);
#endif /* AFS_LINUX20_ENV */
if (theader.magic == AFS_FHMAGIC
&& theader.firstCSize == AFS_FIRSTCSIZE
&& theader.otherCSize == AFS_OTHERCSIZE
+ && theader.dataSize == sizeof(struct fcache)
&& theader.version == AFS_CI_VERSION)
goodFile = 1;
}
theader.magic = AFS_FHMAGIC;
theader.firstCSize = AFS_FIRSTCSIZE;
theader.otherCSize = AFS_OTHERCSIZE;
+ theader.dataSize = sizeof(struct fcache);
theader.version = AFS_CI_VERSION;
afs_osi_Write(tfile, 0, &theader, sizeof(theader));
/*
int
afs_ResourceInit(int preallocs)
{
- register afs_int32 i;
+ afs_int32 i;
static struct rx_securityClass *secobj;
AFS_STATCNT(afs_ResourceInit);
AFS_RWLOCK_INIT(&afs_icl_lock, "afs_icl_lock");
AFS_RWLOCK_INIT(&afs_xinterface, "afs_xinterface");
LOCK_INIT(&afs_puttofileLock, "afs_puttofileLock");
-#ifndef AFS_FBSD_ENV
+#ifndef AFS_PRIVATE_OSI_ALLOCSPACES
LOCK_INIT(&osi_fsplock, "osi_fsplock");
LOCK_INIT(&osi_flplock, "osi_flplock");
#endif
afs_resourceinit_flag = 1;
for (i = 0; i < NFENTRIES; i++)
fvTable[i] = 0;
- for (i = 0; i < MAXNUMSYSNAMES; i++)
+ for (i = 0; i < MAXNUMSYSNAMES; i++) {
afs_sysnamelist[i] = afs_osi_Alloc(MAXSYSNAME);
+ osi_Assert(afs_sysnamelist[i] != NULL);
+ }
afs_sysname = afs_sysnamelist[0];
strcpy(afs_sysname, SYS_NAME);
afs_sysnamecount = 1;
static void
afs_procsize_init(void)
{
- AFS_PROC *p0; /* pointer to process 0 */
- AFS_PROC *pN; /* pointer to process 0's first child */
+ afs_proc_t *p0; /* pointer to process 0 */
+ afs_proc_t *pN; /* pointer to process 0's first child */
#ifdef AFS_AIX51_ENV
struct pvproc *pV;
#endif
ptrdiff_t pN_offset;
int procsize;
- p0 = (AFS_PROC *)v.vb_proc;
+ p0 = (afs_proc_t *)v.vb_proc;
if (!p0) {
afs_gcpags = AFS_GCPAGS_EPROC0;
return;
{
AFS_STATCNT(shutdown_cache);
afs_WriteThroughDSlots();
- if (afs_cold_shutdown) {
+ if (1/*afs_cold_shutdown*/) {
afs_cacheinit_flag = 0;
shutdown_dcache();
shutdown_vcache();
afs_cacheStats = 0;
afs_cacheFiles = afs_cacheBlocks = 0;
- pag_epoch = maxIHint = nihints = usedihint = 0;
+ pag_epoch = 0;
pagCounter = 0;
#if defined(AFS_XBSD_ENV)
- vrele(volumeVnode); /* let it go, finally. */
- volumeVnode = NULL;
+ /* memcache never sets this, so don't panic on shutdown */
+ if (volumeVnode != NULL) {
+ vrele(volumeVnode); /* let it go, finally. */
+ volumeVnode = NULL;
+ }
if (cacheDev.held_vnode) {
vrele(cacheDev.held_vnode);
cacheDev.held_vnode = NULL;
}
#endif
+#ifdef AFS_CACHE_VNODE_PATH
+ if (cacheDiskType != AFS_FCACHE_TYPE_MEM) {
+ afs_osi_FreeStr(cacheInode.ufs);
+ afs_osi_FreeStr(volumeInode.ufs);
+ }
+#endif
afs_reset_inode(&cacheInode);
afs_reset_inode(&volumeInode);
cacheInfoModTime = 0;
afs_fsfragsize = 1023;
- memset((char *)&afs_stats_cmperf, 0, sizeof(afs_stats_cmperf));
- memset((char *)&cacheDev, 0, sizeof(struct osi_dev));
+ memset(&cacheDev, 0, sizeof(struct osi_dev));
osi_dnlc_shutdown();
}
+#if defined(AFS_LINUX26_ENV) && defined(STRUCT_TASK_STRUCT_HAS_CRED)
+ put_cred(cache_creds);
+#endif
} /*shutdown_cache */
void
shutdown_vnodeops(void)
{
-#if !defined(AFS_SGI_ENV) && !defined(AFS_SUN5_ENV)
- struct buf *afs_bread_freebp = 0;
-#endif
-
-
AFS_STATCNT(shutdown_vnodeops);
if (afs_cold_shutdown) {
#ifndef AFS_SUN5_ENV /* XXX */
#ifndef AFS_LINUX20_ENV
afs_rd_stash_i = 0;
#endif
-#if !defined(AFS_SGI_ENV) && !defined(AFS_SUN5_ENV)
- afs_bread_freebp = 0;
-#endif
shutdown_mariner();
}
}
+static void
+shutdown_server(void)
+{
+ int i;
+ struct afs_cbr *tcbrp, *tbrp;
+ struct srvAddr *sa;
+
+ for (i = 0; i < NSERVERS; i++) {
+ struct server *ts, *next;
+
+ ts = afs_servers[i];
+ while(ts) {
+ next = ts->next;
+ for (sa = ts->addr; sa; sa = sa->next_sa) {
+ if (sa->conns) {
+ /* afs_ReleaseConns has been updated to
+ * defer rx_DestroyConnection to Rx
+ * shutdown, as most recently was done
+ * here */
+ afs_ReleaseConns(sa->conns);
+ }
+ }
+ for (tcbrp = ts->cbrs; tcbrp; tcbrp = tbrp) {
+ /*
+ * Free all server's callback structs
+ */
+ tbrp = tcbrp->next;
+ afs_FreeCBR(tcbrp);
+ }
+ afs_osi_Free(ts, sizeof(struct server));
+ ts = next;
+ }
+ }
+
+ for (i = 0; i < NSERVERS; i++) {
+ struct srvAddr *sa, *next;
+
+ sa = afs_srvAddrs[i];
+ while(sa) {
+ next = sa->next_bkt;
+ afs_osi_Free(sa, sizeof(struct srvAddr));
+ sa = next;
+ }
+ }
+}
+
+static void
+shutdown_volume(void)
+{
+ struct volume *tv;
+ int i;
+
+ for (i = 0; i < NVOLS; i++) {
+ for (tv = afs_volumes[i]; tv; tv = tv->next) {
+ if (tv->name) {
+ afs_osi_Free(tv->name, strlen(tv->name) + 1);
+ tv->name = 0;
+ }
+ }
+ afs_volumes[i] = 0;
+ }
+}
+
void
shutdown_AFS(void)
{
int i;
- register struct srvAddr *sa;
AFS_STATCNT(shutdown_AFS);
if (afs_cold_shutdown) {
afs_resourceinit_flag = 0;
- /*
- * Free Volumes table allocations
- */
- {
- struct volume *tv;
- for (i = 0; i < NVOLS; i++) {
- for (tv = afs_volumes[i]; tv; tv = tv->next) {
- if (tv->name) {
- afs_osi_Free(tv->name, strlen(tv->name) + 1);
- tv->name = 0;
- }
- }
- afs_volumes[i] = 0;
- }
- }
- /*
- * Free FreeVolList allocations
+ shutdown_volume();
+
+ /*
+ * Free FreeVolList allocations
*/
afs_osi_Free(Initialafs_freeVolList,
afs_memvolumes * sizeof(struct volume));
afs_freeVolList = Initialafs_freeVolList = 0;
- /* XXX HACK fort MEM systems XXX
+ /* XXX HACK for MEM systems XXX
*
* For -memcache cache managers when we run out of free in memory volumes
* we simply malloc more; we won't be able to free those additional volumes.
*/
-
-
- /*
- * Free Users table allocation
+ /*
+ * Free Users table allocation
*/
{
struct unixuser *tu, *ntu;
for (i = 0; i < NUSERS; i++) {
for (tu = afs_users[i]; tu; tu = ntu) {
ntu = tu->next;
- if (tu->stp)
- afs_osi_Free(tu->stp, tu->stLen);
+ if (tu->tokens)
+ afs_FreeTokens(&tu->tokens);
if (tu->exporter)
EXP_RELE(tu->exporter);
afs_osi_Free(tu, sizeof(struct unixuser));
}
}
- /*
- * Free Servers table allocation
- */
- {
- struct server *ts, *nts;
- struct afs_conn *tc, *ntc;
- register struct afs_cbr *tcbrp, *tbrp;
-
- for (i = 0; i < NSERVERS; i++) {
- for (ts = afs_servers[i]; ts; ts = nts) {
- nts = ts->next;
- for (sa = ts->addr; sa; sa = sa->next_sa) {
- if (sa->conns) {
- /*
- * Free all server's connection structs
- */
- tc = sa->conns;
- while (tc) {
- ntc = tc->next;
- AFS_GUNLOCK();
- rx_DestroyConnection(tc->id);
- AFS_GLOCK();
- afs_osi_Free(tc, sizeof(struct afs_conn));
- tc = ntc;
- }
- }
- }
- for (tcbrp = ts->cbrs; tcbrp; tcbrp = tbrp) {
- /*
- * Free all server's callback structs
- */
- tbrp = tcbrp->next;
- afs_FreeCBR(tcbrp);
- }
- afs_osi_Free(ts, sizeof(struct server));
- }
- afs_servers[i] = 0;
- }
- }
for (i = 0; i < NFENTRIES; i++)
fvTable[i] = 0;
/* Reinitialize local globals to defaults */
afs_FVIndex = -1;
afs_server = (struct rx_service *)0;
AFS_RWLOCK_INIT(&afs_xconn, "afs_xconn");
- memset((char *)&afs_rootFid, 0, sizeof(struct VenusFid));
+ memset(&afs_rootFid, 0, sizeof(struct VenusFid));
AFS_RWLOCK_INIT(&afs_xuser, "afs_xuser");
AFS_RWLOCK_INIT(&afs_xvolume, "afs_xvolume");
AFS_RWLOCK_INIT(&afs_xserver, "afs_xserver");