/*
* 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
* Implements:
*/
-#include "../afs/param.h" /* Should be always first */
-#include "../afs/stds.h"
-#include "../afs/sysincludes.h" /* Standard vendor system headers */
-#include "../afs/afsincludes.h" /* Afs-based standard headers */
-#include "../afs/afs_stats.h" /* afs statistics */
-
-
-/* Imported variables */
-extern afs_int32 afs_waitForever;
-extern short afs_waitForeverCount;
-extern afs_int32 afs_FVIndex;
-extern struct server *afs_setTimeHost;
-extern struct server *afs_servers[NSERVERS];
-extern struct unixuser *afs_users[NUSERS];
-extern struct volume *afs_freeVolList;
-extern struct volume *afs_volumes[NVOLS];
-extern afs_int32 afs_volCounter;
-
-extern afs_rwlock_t afs_xaxs;
-extern afs_rwlock_t afs_xvolume;
-extern afs_rwlock_t afs_xuser;
-extern afs_rwlock_t afs_xserver;
-#ifndef AFS_AIX41_ENV
-extern afs_lock_t osi_fsplock;
-#endif
-extern afs_lock_t osi_flplock;
-extern afs_int32 fvTable[NFENTRIES];
-
-/* afs_cell.c */
-extern afs_rwlock_t afs_xcell;
-extern struct afs_q CellLRU;
-extern afs_int32 afs_cellindex;
-
-/* afs_conn.c */
-extern afs_rwlock_t afs_xconn;
-extern afs_rwlock_t afs_xinterface;
-
-/* afs_mariner.c */
-extern struct rx_service *afs_server;
-
-
-/* afs_mariner.c */
-extern afs_int32 afs_mariner;
-extern afs_int32 afs_marinerHost;
-
-/* afs_volume.c */
-extern ino_t volumeInode;
-
-/* afs_osi_pag.c */
-extern afs_uint32 pag_epoch;
-
-/* afs_dcache.c */
-extern afs_rwlock_t afs_xdcache;
-extern int cacheDiskType;
-extern afs_int32 afs_fsfragsize;
-extern ino_t cacheInode;
-extern struct osi_file *afs_cacheInodep;
-extern afs_int32 afs_freeDCList; /*Free list for disk cache entries*/
-
+#include <afsconfig.h>
+#include "afs/param.h"
-/* afs_vcache.c */
-extern afs_rwlock_t afs_xvcache;
-extern afs_rwlock_t afs_xvcb;
-
-/* VNOPS/afs_vnop_read.c */
-extern afs_int32 maxIHint;
-extern afs_int32 nihints; /* # of above actually in-use */
-extern afs_int32 usedihint;
-
-/* afs_server.c */
-extern afs_int32 afs_setTime;
-
-/* Imported functions. */
-extern struct rx_securityClass *rxnull_NewServerSecurityObject();
-extern int RXAFSCB_ExecuteRequest();
-extern int RXSTATS_ExecuteRequest();
+#include "afs/stds.h"
+#include "afs/sysincludes.h" /* Standard vendor system headers */
+#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
-/* afs_osi.c */
-extern afs_lock_t afs_ftf;
+#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_DEC_ENV) || defined(AFS_DARWIN_ENV)
-struct mount *afs_cacheVfsp=0;
+struct osi_dev cacheDev; /*Cache device */
+afs_int32 cacheInfoModTime; /*Last time cache info modified */
+#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;
#else
-struct vfs *afs_cacheVfsp=0;
+struct vfs *afs_cacheVfsp = 0;
#endif
-afs_rwlock_t afs_puttofileLock; /* not used */
-char *afs_sysname = 0; /* So that superuser may change the
- * local value of @sys */
+afs_rwlock_t afs_puttofileLock; /* not used */
+char *afs_sysname = 0; /* So that superuser may change the
+ * local value of @sys */
+char *afs_sysnamelist[MAXNUMSYSNAMES]; /* For support of a list of sysname */
+int afs_sysnamecount = 0;
+int afs_sysnamegen = 0;
struct volume *Initialafs_freeVolList;
int afs_memvolumes = 0;
+#if defined(AFS_XBSD_ENV)
+static struct vnode *volumeVnode;
+#endif
+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
-/* Local variables */
-
+/* 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,
struct cm_initparams cm_initParams;
static int afs_cacheinit_flag = 0;
int
-afs_CacheInit(astatSize, afiles, ablocks, aDentries, aVolumes, achunk, aflags,
- ninodes, nusers)
- afs_int32 afiles;
- afs_int32 astatSize, ablocks;
- afs_int32 achunk, aflags, ninodes, nusers;
- afs_int32 aDentries;
-{ /*afs_CacheInit*/
- extern int afs_memvolumes;
- register afs_int32 i, preallocs;
- register struct volume *tv;
- long code;
+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 i;
+ struct volume *tv;
AFS_STATCNT(afs_CacheInit);
/*
afs_stats_cmperf.sysName_ID = SYS_NAME_ID_UNDEFINED;
#endif /* SYS_NAME_ID */
- printf("Starting AFS cache scan...");
+#ifdef AFS_MAXVCOUNT_ENV
+ afsd_dynamic_vcaches = dynamic_vcaches;
+ afs_warn("%s dynamically allocated vcaches\n",
+ ( afsd_dynamic_vcaches ? "enabling" : "disabling" ));
+#endif
+
+ 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");
- RWLOCK_INIT(&afs_xaxs, "afs_xaxs");
+ AFS_RWLOCK_INIT(&afs_xaxs, "afs_xaxs");
+ AFS_RWLOCK_INIT(&afs_discon_lock, "afs_discon_lock");
+ AFS_RWLOCK_INIT(&afs_disconDirtyLock, "afs_disconDirtyLock");
+ QInit(&afs_disconDirty);
+ QInit(&afs_disconShadow);
osi_dnlc_init();
-
-#if defined(AFS_AIX32_ENV) || defined(AFS_HPUX_ENV)
/*
- * We want to also reserve space for the gnode struct which is associated
- * with each vnode (vcache) one; we want to use the pinned pool for them
- * since they're referenced at interrupt level.
- */
- if (afs_stats_cmperf.SmallBlocksAlloced + astatSize < 3600)
- preallocs = astatSize;
- else {
- preallocs = 3600 - afs_stats_cmperf.SmallBlocksAlloced;
- if (preallocs <= 0) preallocs = 10;
- }
- osi_AllocMoreSSpace(preallocs);
-#endif
- /*
- * create volume list structure
+ * create volume list structure
*/
- if ( aVolumes < 50 ) aVolumes = 50;
- if (aVolumes > 3000) aVolumes = 3000;
-
- tv = (struct volume *) afs_osi_Alloc(aVolumes * sizeof(struct volume));
- for (i=0;i<aVolumes-1;i++)
- tv[i].next = &tv[i+1];
- tv[aVolumes-1].next = (struct volume *) 0;
+ if (aVolumes < 50)
+ aVolumes = 50;
+ else if (aVolumes > 32767)
+ aVolumes = 32767;
+
+ 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_freeVolList = Initialafs_freeVolList = tv;
afs_memvolumes = aVolumes;
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);
+#endif /* AFS_VM_RDWR_ENV */
+#endif /* AFS_64BIT_CLIENT */
-#if defined(AFS_AIX_ENV)
+#if defined(AFS_AIX_ENV) && !defined(AFS_AIX51_ENV)
{
static void afs_procsize_init(void);
cm_initParams.cmi_nVolumeCaches = aVolumes;
cm_initParams.cmi_firstChunkSize = AFS_FIRSTCSIZE;
cm_initParams.cmi_otherChunkSize = AFS_OTHERCSIZE;
- cm_initParams.cmi_cacheSize = ablocks;
- cm_initParams.cmi_setTime = afs_setTime;
+ cm_initParams.cmi_cacheSize = afs_cacheBlocks;
+ cm_initParams.cmi_setTime = 0;
cm_initParams.cmi_memCache = (aflags & AFSCALL_INIT_MEMCACHE) ? 1 : 0;
return 0;
-} /*afs_CacheInit*/
+} /*afs_CacheInit */
/*
*/
void
-afs_ComputeCacheParms()
-
-{ /*afs_ComputeCacheParms*/
-
- register afs_int32 i;
+afs_ComputeCacheParms(void)
+{
+ afs_int32 i;
afs_int32 afs_maxCacheDirty;
/*
* Don't allow more than 2/3 of the files in the cache to be dirty.
*/
- afs_maxCacheDirty = (2*afs_cacheFiles) / 3;
+ afs_maxCacheDirty = (2 * afs_cacheFiles) / 3;
/*
* Also, don't allow more than 2/3 of the total space get filled
*/
if (afs_cacheBlocks & 0xffe00000) {
i = afs_cacheBlocks / (AFS_FIRSTCSIZE >> 10);
- }
- else {
+ } else {
i = (afs_cacheBlocks << 10) / AFS_FIRSTCSIZE;
}
- i = (2*i) / 3;
+ i = (2 * i) / 3;
if (afs_maxCacheDirty > i)
afs_maxCacheDirty = i;
if (afs_maxCacheDirty < 1)
afs_maxCacheDirty = 1;
afs_stats_cmperf.cacheMaxDirtyChunks = afs_maxCacheDirty;
-} /*afs_ComputeCacheParms*/
+} /*afs_ComputeCacheParms */
/*
+ * afs_LookupInodeByPath
+ *
+ * Look up inode given a file name.
+ * Optionally return the vnode too.
+ * If the vnode is not returned, we rele it.
+ */
+int
+afs_LookupInodeByPath(char *filename, afs_ufs_dcache_id_t *inode,
+ struct vnode **fvpp)
+{
+ afs_int32 code;
+
+#if defined(AFS_LINUX22_ENV)
+ struct dentry *dp;
+ code = gop_lookupname(filename, AFS_UIOSYS, 0, &dp);
+ if (code)
+ return code;
+ osi_get_fh(dp, inode);
+ dput(dp);
+#else
+ struct vnode *filevp;
+ 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_RELE(filevp);
+ }
+#endif
+
+ return 0;
+}
+
+int
+afs_InitCellInfo(char *afile)
+{
+ afs_dcache_id_t inode;
+ int code = 0;
+
+ code = afs_LookupInodeByPath(afile, &inode.ufs, NULL);
+ return afs_cellname_init(&inode, code);
+}
+
+/*
* afs_InitVolumeInfo
*
* Description:
* WARNING: Data will be written to this file over time by AFS.
*/
-afs_InitVolumeInfo(afile)
- register char *afile;
-
-{ /*afs_InitVolumeInfo*/
-
- afs_int32 code;
+int
+afs_InitVolumeInfo(char *afile)
+{
+ int code = 0;
struct osi_file *tfile;
- struct vnode *filevp;
- struct fcache fce;
AFS_STATCNT(afs_InitVolumeInfo);
-#ifdef AFS_LINUX22_ENV
- {
- struct dentry *dp;
- code = gop_lookupname(afile, AFS_UIOSYS, 0, (struct vnode **) 0, &dp);
- if (code) return ENOENT;
- fce.inode = volumeInode = dp->d_inode->i_ino;
- dput(dp);
- }
-#else
- code = gop_lookupname(afile, AFS_UIOSYS, 0, (struct vnode **) 0, &filevp);
- if (code) return ENOENT;
- fce.inode = volumeInode = afs_vnodeToInumber(filevp);
-#ifdef AFS_DEC_ENV
- grele(filevp);
+#if defined(AFS_XBSD_ENV)
+ /*
+ * On Open/Free/NetBSD, we can get into big trouble if we don't hold the volume file
+ * vnode. SetupVolume holds afs_xvolume lock exclusive.
+ * SetupVolume->GetVolSlot->UFSGetVolSlot->{GetVolCache or WriteVolCache}
+ * ->osi_UFSOpen->VFS_VGET()->ffs_vget->getnewvnode->vgone on some vnode.
+ * If it's AFS, then ->vclean->afs_nbsd_reclaim->FlushVCache->QueueVCB->
+ * GetVolume->FindVolume-> waits on afs_xvolume lock !
+ *
+ * In general, anything that's called with afs_xvolume locked must not
+ * end up calling getnewvnode(). The only cases I've found so far
+ * are things which try to get the volumeInode, and since we keep
+ * it in the cache...
+ */
+ code = afs_LookupInodeByPath(afile, &volumeInode.ufs, &volumeVnode);
#else
- AFS_RELE((struct vnode *)filevp);
+ code = afs_LookupInodeByPath(afile, &volumeInode.ufs, NULL);
#endif
-#endif /* AFS_LINUX22_ENV */
- tfile = afs_CFileOpen(fce.inode);
+ if (code)
+ return code;
+ tfile = afs_CFileOpen(&volumeInode);
afs_CFileTruncate(tfile, 0);
afs_CFileClose(tfile);
return 0;
-
-} /*afs_InitVolumeInfo*/
+}
/*
* afs_InitCacheInfo
* 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:
* code.
*
*/
-afs_InitCacheInfo(afile)
- register char *afile;
-
-{ /*afs_InitCacheInfo*/
-
- register afs_int32 code;
+int
+afs_InitCacheInfo(char *afile)
+{
+ 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;
+#endif
int goodFile;
AFS_STATCNT(afs_InitCacheInfo);
- if(cacheDiskType != AFS_FCACHE_TYPE_UFS)
+ if (cacheDiskType != AFS_FCACHE_TYPE_UFS)
osi_Panic("afs_InitCacheInfo --- called for non-ufs cache!");
#ifdef AFS_LINUX22_ENV
code = osi_InitCacheInfo(afile);
- if (code) return code;
+ if (code)
+ return code;
#else
- code = gop_lookupname(afile, AFS_UIOSYS, 0, (struct vnode **) 0, &filevp);
- if (code || !filevp) return ENOENT;
+ code = gop_lookupname(afile, AFS_UIOSYS, 0, &filevp);
+ if (code || !filevp)
+ return ENOENT;
{
-#if defined(AFS_SUN56_ENV)
- struct statvfs64 st;
-#else
-#if defined(AFS_HPUX102_ENV)
- struct k_statvfs st;
+#if defined(AFS_SUN5_ENV)
+ struct statvfs64 st;
+#elif defined(AFS_HPUX102_ENV)
+ struct k_statvfs st;
+#elif defined(AFS_SGI_ENV) || defined(AFS_HPUX100_ENV) || defined(AFS_NBSD40_ENV)
+ struct statvfs st;
+#elif defined(AFS_DARWIN80_ENV)
+ struct vfsstatfs st;
#else
-#if defined(AFS_SUN5_ENV) || defined(AFS_SGI_ENV) ||defined(AFS_HPUX100_ENV)
- struct statvfs st;
-#else
-#if defined(AFS_DUX40_ENV)
- struct nstatfs st;
-#else
- struct statfs st;
-#endif /* DUX40 */
-#endif /* SUN5 SGI */
-#endif /* HP 10.20 */
-#endif /* SUN56 */
+ struct statfs st;
+#endif /* SUN5 */
#if defined(AFS_SGI_ENV)
#ifdef AFS_SGI65_ENV
- VFS_STATVFS(filevp->v_vfsp, &st, (struct vnode *)0, code);
- if (!code)
+ VFS_STATVFS(filevp->v_vfsp, &st, NULL, code);
+ if (!code)
#else
- if (!VFS_STATFS(filevp->v_vfsp, &st, (struct vnode *)0))
+ if (!VFS_STATFS(filevp->v_vfsp, &st, NULL))
#endif /* AFS_SGI65_ENV */
-#else /* AFS_SGI_ENV */
-#if defined(AFS_SUN5_ENV) || defined(AFS_HPUX100_ENV)
- if (!VFS_STATVFS(filevp->v_vfsp, &st))
-#else
-#ifdef AFS_OSF_ENV
-
- VFS_STATFS(filevp->v_vfsp, code);
- /* struct copy */
- st = filevp->v_vfsp->m_stat;
- if (code == 0)
-#else /* AFS_OSF_ENV */
-#ifdef AFS_AIX41_ENV
- if (!VFS_STATFS(filevp->v_vfsp, &st, &afs_osi_cred))
-#else
-#ifdef AFS_LINUX20_ENV
- {
- KERNEL_SPACE_DECL;
- TO_USER_SPACE();
-
- VFS_STATFS(filevp->v_vfsp, &st);
- TO_KERNEL_SPACE();
- }
+#elif defined(AFS_SUN5_ENV) || defined(AFS_HPUX100_ENV)
+ if (!VFS_STATVFS(filevp->v_vfsp, &st))
+#elif defined(AFS_AIX41_ENV)
+ if (!VFS_STATFS(filevp->v_vfsp, &st, &afs_osi_cred))
+#elif defined(AFS_LINUX20_ENV)
+ {
+ KERNEL_SPACE_DECL;
+ TO_USER_SPACE();
+
+ VFS_STATFS(filevp->v_vfsp, &st);
+ TO_KERNEL_SPACE();
+ }
+#elif defined(AFS_DARWIN80_ENV)
+ afs_cacheVfsp = vnode_mount(filevp);
+ if (afs_cacheVfsp && ((st = *(vfs_statfs(afs_cacheVfsp))),1))
+#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
-#ifdef AFS_DARWIN_ENV
- if (!VFS_STATFS(filevp->v_mount, &st, current_proc()))
-#else
- if (!VFS_STATFS(filevp->v_vfsp, &st))
-#endif /* AFS_DARWIN_ENV */
-#endif /* AFS_LINUX20_ENV */
-#endif /* AIX41 */
-#endif /* OSF */
-#endif /* SUN5 HP10 */
-#endif /* SGI */
+ if (!VFS_STATFS(filevp->v_vfsp, &st))
+#endif /* SGI... */
#if defined(AFS_SUN5_ENV) || defined(AFS_HPUX100_ENV)
- afs_fsfragsize = st.f_frsize - 1;
+ if (strcmp("zfs", st.f_basetype) == 0) {
+ /*
+ * Files in ZFS can take up to around the next
+ * recordsize boundary after being truncated. recordsize
+ * is reported in statvfs by f_bsize, so use that
+ * instead.
+ */
+ afs_fsfragsize = st.f_bsize - 1;
+ } else {
+ afs_fsfragsize = st.f_frsize - 1;
+ }
#else
- afs_fsfragsize = st.f_bsize - 1;
+ afs_fsfragsize = st.f_bsize - 1;
#endif
}
-#ifdef AFS_LINUX20_ENV
- cacheInode = filevp->i_ino;
+#if defined(AFS_LINUX20_ENV)
+ cacheInode.ufs = filevp->i_ino;
afs_cacheSBp = filevp->i_sb;
+#elif defined(AFS_XBSD_ENV)
+ cacheInode.ufs = VTOI(filevp)->i_number;
+ cacheDev.mp = filevp->v_mount;
+ cacheDev.held_vnode = filevp;
+ vref(filevp); /* Make sure mount point stays busy. XXX */
+#if !defined(AFS_OBSD_ENV)
+ afs_cacheVfsp = filevp->v_vfsp;
+#endif
#else
- cacheInode = afs_vnodeToInumber(filevp);
- cacheDev.dev = afs_vnodeToDev(filevp);
-#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
+#ifndef AFS_DARWIN80_ENV
afs_cacheVfsp = filevp->v_vfsp;
+#endif
+ cacheInode.ufs = afs_vnodeToInumber(filevp);
+#else
+ afs_LookupInodeByPath(afile, &cacheInode.ufs, NULL);
+#endif
+ cacheDev.dev = afs_vnodeToDev(filevp);
#endif /* AFS_LINUX20_ENV */
- AFS_RELE((struct vnode *)filevp);
+ AFS_RELE(filevp);
#endif /* AFS_LINUX22_ENV */
- tfile = osi_UFSOpen(cacheInode);
+ if (afs_fsfragsize < AFS_MIN_FRAGSIZE) {
+ afs_fsfragsize = AFS_MIN_FRAGSIZE;
+ }
+ tfile = osi_UFSOpen(&cacheInode);
afs_osi_Stat(tfile, &tstat);
cacheInfoModTime = tstat.mtime;
code = afs_osi_Read(tfile, -1, &theader, sizeof(theader));
goodFile = 0;
if (code == sizeof(theader)) {
/* read the header correctly */
- if (theader.magic == AFS_FHMAGIC &&
- theader.firstCSize == AFS_FIRSTCSIZE &&
- theader.otherCSize == AFS_OTHERCSIZE &&
- theader.version == AFS_CI_VERSION
- )
+ 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;
}
if (!goodFile) {
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));
/*
*/
afs_cacheInodep = (struct osi_file *)tfile;
return 0;
-
-} /*afs_InitCacheInfo*/
+}
int afs_resourceinit_flag = 0;
-afs_ResourceInit(preallocs)
- int preallocs;
+int
+afs_ResourceInit(int preallocs)
{
- register afs_int32 i;
+ afs_int32 i;
static struct rx_securityClass *secobj;
AFS_STATCNT(afs_ResourceInit);
- RWLOCK_INIT(&afs_xuser, "afs_xuser");
- RWLOCK_INIT(&afs_xvolume, "afs_xvolume");
- RWLOCK_INIT(&afs_xcell, "afs_xcell");
- RWLOCK_INIT(&afs_xserver, "afs_xserver");
- RWLOCK_INIT(&afs_xinterface, "afs_xinterface");
+ AFS_RWLOCK_INIT(&afs_xuser, "afs_xuser");
+ AFS_RWLOCK_INIT(&afs_xvolume, "afs_xvolume");
+ AFS_RWLOCK_INIT(&afs_xserver, "afs_xserver");
+ AFS_RWLOCK_INIT(&afs_xsrvAddr, "afs_xsrvAddr");
+ AFS_RWLOCK_INIT(&afs_icl_lock, "afs_icl_lock");
+ AFS_RWLOCK_INIT(&afs_xinterface, "afs_xinterface");
LOCK_INIT(&afs_puttofileLock, "afs_puttofileLock");
-#ifndef AFS_AIX32_ENV
+#ifndef AFS_PRIVATE_OSI_ALLOCSPACES
LOCK_INIT(&osi_fsplock, "osi_fsplock");
-#endif
LOCK_INIT(&osi_flplock, "osi_flplock");
- RWLOCK_INIT(&afs_xconn, "afs_xconn");
+#endif
+ AFS_RWLOCK_INIT(&afs_xconn, "afs_xconn");
- afs_InitCBQueue(1); /* initialize callback queues */
+ afs_CellInit();
+ afs_InitCBQueue(1); /* initialize callback queues */
if (afs_resourceinit_flag == 0) {
afs_resourceinit_flag = 1;
- for (i=0;i<NFENTRIES;i++)
+ for (i = 0; i < NFENTRIES; i++)
fvTable[i] = 0;
- afs_sysname = afs_osi_Alloc(MAXSYSNAME);
+ 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);
- QInit(&CellLRU);
-#if defined(AFS_AIX32_ENV) || defined(AFS_HPUX_ENV)
- { extern afs_int32 afs_preallocs;
-
- if ((preallocs > 256) && (preallocs < 3600))
- afs_preallocs = preallocs;
- osi_AllocMoreSSpace(afs_preallocs);
- osi_AllocMoreMSpace(100);
- }
-#endif
+ afs_sysnamecount = 1;
+ afs_sysnamegen++;
}
-
+
secobj = rxnull_NewServerSecurityObject();
afs_server =
rx_NewService(0, 1, "afs", &secobj, 1, RXAFSCB_ExecuteRequest);
afs_osi_Wakeup(&afs_server); /* wakeup anyone waiting for it */
return 0;
-} /*afs_ResourceInit*/
+} /*afs_ResourceInit */
-#if defined(AFS_AIX_ENV)
+#if defined(AFS_AIX_ENV) && !defined(AFS_AIX51_ENV)
/*
* AIX dynamic sizeof(struct proc)
static void
afs_procsize_init(void)
{
- struct proc *p0; /* pointer to process 0 */
- struct 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
int pN_index;
ptrdiff_t pN_offset;
int procsize;
- p0 = (struct proc *)v.vb_proc;
+ p0 = (afs_proc_t *)v.vb_proc;
if (!p0) {
afs_gcpags = AFS_GCPAGS_EPROC0;
return;
}
-
+#ifdef AFS_AIX51_ENV
+ pN = NULL;
+ pV = p0->p_pvprocp;
+ if (pV) {
+ pV = pV->pv_child;
+ if (pV)
+ pN = pV->pv_procp;
+ }
+#else
pN = p0->p_child;
+#endif
if (!pN) {
afs_gcpags = AFS_GCPAGS_EPROCN;
return;
afs_gcpags_procsize = procsize;
}
-
#endif
/*
* Nothing interesting.
*/
void
-shutdown_cache()
-
-{ /*shutdown_cache*/
- register struct afs_cbr *tsp, *nsp;
- extern int afs_cold_shutdown;
- extern int pagCounter;
- int i;
-
- AFS_STATCNT(shutdown_cache);
- afs_WriteThroughDSlots();
- if (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;
- pagCounter = 0;
- cacheInode = volumeInode = (ino_t)0;
-
-
- cacheInfoModTime = 0;
-
- afs_fsfragsize = 1023;
- bzero((char *)&afs_stats_cmperf, sizeof(afs_stats_cmperf));
- bzero((char *)&cacheDev, sizeof(struct osi_dev));
- osi_dnlc_shutdown();
- }
-} /*shutdown_cache*/
-
-
-void shutdown_vnodeops()
+shutdown_cache(void)
{
- extern int afs_cold_shutdown;
-#ifndef AFS_LINUX20_ENV
- extern int afs_rd_stash_i;
+ AFS_STATCNT(shutdown_cache);
+ afs_WriteThroughDSlots();
+ if (1/*afs_cold_shutdown*/) {
+ afs_cacheinit_flag = 0;
+ shutdown_dcache();
+ shutdown_vcache();
+
+ afs_cacheStats = 0;
+ afs_cacheFiles = afs_cacheBlocks = 0;
+ pag_epoch = 0;
+ pagCounter = 0;
+#if defined(AFS_XBSD_ENV)
+ /* 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
-#ifndef AFS_SUN5_ENV
- extern int lastWarnTime;
+#ifdef AFS_CACHE_VNODE_PATH
+ if (cacheDiskType != AFS_FCACHE_TYPE_MEM) {
+ afs_osi_FreeStr(cacheInode.ufs);
+ afs_osi_FreeStr(volumeInode.ufs);
+ }
#endif
-#if !defined(AFS_SGI_ENV) && !defined(AFS_SUN_ENV) && !defined(AFS_SUN5_ENV)
- struct buf *afs_bread_freebp = 0;
+ afs_reset_inode(&cacheInode);
+ afs_reset_inode(&volumeInode);
+ cacheInfoModTime = 0;
+
+ afs_fsfragsize = 1023;
+ 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)
+{
AFS_STATCNT(shutdown_vnodeops);
if (afs_cold_shutdown) {
-#ifndef AFS_SUN5_ENV /* XXX */
- lastWarnTime = 0;
+#ifndef AFS_SUN5_ENV /* XXX */
+ lastWarnTime = 0;
#endif
#ifndef AFS_LINUX20_ENV
- afs_rd_stash_i = 0;
-#endif
-#if !defined(AFS_SGI_ENV) && !defined(AFS_SUN_ENV) && !defined(AFS_SUN5_ENV)
- afs_bread_freebp = 0;
+ afs_rd_stash_i = 0;
#endif
- shutdown_mariner();
- }
+ shutdown_mariner();
+ }
}
-void shutdown_AFS()
-
+static void
+shutdown_server(void)
{
int i;
- register struct srvAddr *sa;
- extern int afs_cold_shutdown;
-
- AFS_STATCNT(shutdown_AFS);
- if (afs_cold_shutdown) {
- afs_resourceinit_flag = 0;
- /*
- * Free Cells table allocations
- */
- {
- struct cell *tc;
- register struct afs_q *cq, *tq;
- for (cq = CellLRU.next; cq != &CellLRU; cq = tq) {
- tc = QTOC(cq); tq = QNext(cq);
- if (tc->cellName)
- afs_osi_Free(tc->cellName, strlen(tc->cellName)+1);
- afs_osi_Free(tc, sizeof(struct cell));
- }
- }
- /*
- * 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;
+ 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);
}
}
- afs_volumes[i] = 0;
- }
- }
-
- /*
- * Free FreeVolList allocations
- */
- afs_osi_Free(Initialafs_freeVolList, afs_memvolumes * sizeof(struct volume));
- afs_freeVolList = Initialafs_freeVolList = 0;
-
- /* XXX HACK fort 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
- */
- {
- 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->exporter)
- EXP_RELE(tu->exporter);
- afs_osi_Free(tu, sizeof(struct unixuser));
+ 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_users[i] = 0;
}
- }
-
- /*
- * Free Servers table allocation
- */
- {
- struct server *ts, *nts;
- struct conn *tc, *ntc;
- register struct afs_cbr *tcbrp, *tbrp;
- struct afs_cbr **lcbrpp;
-
- 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 conn));
- tc = ntc;
- }
- }
- }
- for (tcbrp = ts->cbrs; tcbrp; tcbrp = tbrp) {
- /*
- * Free all server's callback structs
- */
- tbrp = tcbrp->next;
- afs_FreeCBR(tcbrp);
+ afs_volumes[i] = 0;
+ }
+}
+
+void
+shutdown_AFS(void)
+{
+ int i;
+
+ AFS_STATCNT(shutdown_AFS);
+ if (afs_cold_shutdown) {
+ afs_resourceinit_flag = 0;
+
+ shutdown_volume();
+
+ /*
+ * Free FreeVolList allocations
+ */
+ afs_osi_Free(Initialafs_freeVolList,
+ afs_memvolumes * sizeof(struct volume));
+ afs_freeVolList = Initialafs_freeVolList = 0;
+
+ /* 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
+ */
+ {
+ struct unixuser *tu, *ntu;
+ for (i = 0; i < NUSERS; i++) {
+ for (tu = afs_users[i]; tu; tu = ntu) {
+ ntu = tu->next;
+ if (tu->tokens)
+ afs_FreeTokens(&tu->tokens);
+ if (tu->exporter)
+ EXP_RELE(tu->exporter);
+ afs_osi_Free(tu, sizeof(struct unixuser));
}
- afs_osi_Free(ts, sizeof(struct server));
+ afs_users[i] = 0;
}
- afs_servers[i] = 0;
}
- }
- for (i=0; i<NFENTRIES; i++)
- fvTable[i] = 0;
- /* Reinitialize local globals to defaults */
- afs_osi_Free(afs_sysname, MAXSYSNAME);
- afs_sysname = 0;
- afs_marinerHost = 0;
- QInit(&CellLRU);
- afs_setTimeHost = (struct server *)0;
- afs_volCounter = 1;
- afs_waitForever = afs_waitForeverCount = 0;
- afs_cellindex = 0;
- afs_FVIndex = -1;
- afs_server = (struct rx_service *)0;
- RWLOCK_INIT(&afs_xconn, "afs_xconn");
- bzero((char *)&afs_rootFid, sizeof(struct VenusFid));
- RWLOCK_INIT(&afs_xuser, "afs_xuser");
- RWLOCK_INIT(&afs_xvolume, "afs_xvolume"), RWLOCK_INIT(&afs_xcell, "afs_xcell");
- RWLOCK_INIT(&afs_xserver, "afs_xserver"), LOCK_INIT(&afs_puttofileLock, "afs_puttofileLock");
+
+ for (i = 0; i < NFENTRIES; i++)
+ fvTable[i] = 0;
+ /* Reinitialize local globals to defaults */
+ for (i = 0; i < MAXNUMSYSNAMES; i++)
+ afs_osi_Free(afs_sysnamelist[i], MAXSYSNAME);
+ afs_sysname = 0;
+ afs_sysnamecount = 0;
+ afs_marinerHost = 0;
+ afs_volCounter = 1;
+ afs_waitForever = afs_waitForeverCount = 0;
+ afs_FVIndex = -1;
+ afs_server = (struct rx_service *)0;
+ AFS_RWLOCK_INIT(&afs_xconn, "afs_xconn");
+ 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");
+ LOCK_INIT(&afs_puttofileLock, "afs_puttofileLock");
+
+ shutdown_cell();
+ shutdown_server();
}
-
-} /*shutdown_AFS*/
+}
git://git.openafs.org / openafs.git / blobdiff