* system problems, which can only be ameliorated by changing
* NINODE (or equivalent) and rebuilding the kernel.
* This option is now disabled.
- * -logfile Place where to put the logfile (default in <cache>/etc/AFSLog.
+ * -logfile [OBSOLETE] Place where to put the logfile (default in
+ * <cache>/etc/AFSLog.
* -waitclose make close calls always synchronous (slows em down, tho)
* -files_per_subdir [n] number of files per cache subdir. (def=2048)
* -shutdown Shutdown afs daemons
#include <errno.h>
#include <sys/time.h>
#include <dirent.h>
+#include <sys/wait.h>
#ifdef HAVE_SYS_PARAM_H
#include <netinet/in.h>
#include <afs/afs_args.h>
#include <afs/cellconfig.h>
-#include <afs/auth.h>
#include <ctype.h>
#include <afs/afssyscalls.h>
#include <afs/afsutil.h>
#include <sys/resource.h>
#endif
#ifdef AFS_DARWIN_ENV
+#ifdef AFS_DARWIN80_ENV
+#include <sys/ioctl.h>
+#endif
#include <mach/mach.h>
/* Symbols from the DiskArbitration framework */
kern_return_t DiskArbStart(mach_port_t *);
kern_return_t DiskArbDiskAppearedWithMountpointPing_auto(char *, unsigned int,
char *);
#define DISK_ARB_NETWORK_DISK_FLAG 8
+
+#include <mach/mach_port.h>
+#include <mach/mach_interface.h>
+#include <mach/mach_init.h>
+
+#include <CoreFoundation/CoreFoundation.h>
+
+#include <SystemConfiguration/SystemConfiguration.h>
+#include <SystemConfiguration/SCDynamicStore.h>
+
+#include <IOKit/pwr_mgt/IOPMLib.h>
+#include <IOKit/IOMessage.h>
+
+#include <dns_sd.h>
+
+typedef struct DNSSDState
+{
+ DNSServiceRef service;
+ CFRunLoopSourceRef source;
+ CFSocketRef socket;
+} DNSSDState;
+
+static io_connect_t root_port;
+static IONotificationPortRef notify;
+static io_object_t iterator;
+static CFRunLoopSourceRef source;
+static DNSSDState dnsstate;
+
+static int event_pid;
+
#endif /* AFS_DARWIN_ENV */
#ifndef MOUNT_AFS
#define CACHEINFOFILE "cacheinfo"
-#define AFSLOGFILE "AFSLog"
#define DCACHEFILE "CacheItems"
#define VOLINFOFILE "VolumeItems"
#define CELLINFOFILE "CellItems"
afs_int32 enable_rxbind = 0;
afs_int32 afs_shutdown = 0;
afs_int32 cacheBlocks; /*Num blocks in the cache */
-afs_int32 cacheFiles = 1000; /*Optimal # of files in workstation cache */
+afs_int32 cacheFiles; /*Optimal # of files in workstation cache */
afs_int32 rwpct = 0;
afs_int32 ropct = 0;
-afs_int32 cacheStatEntries = 300; /*Number of stat cache entries */
+afs_int32 cacheStatEntries; /*Number of stat cache entries */
char cacheBaseDir[1024]; /*Where the workstation AFS cache lives */
char confDir[1024]; /*Where the workstation AFS configuration lives */
char fullpn_DCacheFile[1024]; /*Full pathname of DCACHEFILE */
char fullpn_VolInfoFile[1024]; /*Full pathname of VOLINFOFILE */
char fullpn_CellInfoFile[1024]; /*Full pathanem of CELLINFOFILE */
-char fullpn_AFSLogFile[1024]; /*Full pathname of AFSLOGFILE */
char fullpn_CacheInfo[1024]; /*Full pathname of CACHEINFO */
char fullpn_VFile[1024]; /*Full pathname of data cache files */
char *vFilePtr; /*Ptr to the number part of above pathname */
int sawCacheBlocks = 0;
int sawDCacheSize = 0;
int sawBiod = 0;
+int sawCacheStatEntries = 0;
char cacheMountDir[1024]; /*Mount directory for AFS */
char rootVolume[64] = "root.afs"; /*AFS root volume name */
afs_int32 cacheSetTime = FALSE; /*Keep checking time to avoid drift? */
int ownerRWmode = 0600; /*Read/write OK by owner */
static int filesSet = 0; /*True if number of files explicitly set */
static int nFilesPerDir = 2048; /* # files per cache dir */
-static int nDaemons = 2; /* Number of background daemons */
+#if defined(AFS_CACHE_BYPASS)
+#define AFSD_NDAEMONS 4
+#else
+#define AFSD_NDAEMONS 2
+#endif
+static int nDaemons = AFSD_NDAEMONS; /* Number of background daemons */
static int chunkSize = 0; /* 2^chunkSize bytes per chunk */
-static int dCacheSize = 300; /* # of dcache entries */
-static int vCacheSize = 50; /* # of volume cache entries */
+static int dCacheSize; /* # of dcache entries */
+static int vCacheSize = 200; /* # of volume cache entries */
static int rootVolSet = 0; /*True if root volume name explicitly set */
int addrNum; /*Cell server address index being printed */
static int cacheFlags = 0; /*Flags to cache manager */
* -2: file exists in top-level
* >=0: file exists in Dxxx
*/
+#if !defined(AFS_CACHE_VNODE_PATH) && !defined(LINUX_USE_FH)
AFSD_INO_T *inode_for_V; /* Array of inodes for desired
* cache files */
+#endif
int missing_DCacheFile = 1; /*Is the DCACHEFILE missing? */
int missing_VolInfoFile = 1; /*Is the VOLINFOFILE missing? */
int missing_CellInfoFile = 1; /*Is the CELLINFOFILE missing? */
static int HandleMTab();
+#ifdef AFS_DARWIN_ENV
+static void
+afsd_sleep_callback(void * refCon, io_service_t service,
+ natural_t messageType, void * messageArgument )
+{
+ afs_int32 code;
+
+ switch (messageType) {
+ case kIOMessageCanSystemSleep:
+ /* Idle sleep is about to kick in; can
+ prevent sleep by calling IOCancelPowerChange, otherwise
+ if we don't ack in 30s the system sleeps anyway */
+
+ /* allow it */
+ IOAllowPowerChange(root_port, (long)messageArgument);
+ break;
+
+ case kIOMessageSystemWillSleep:
+ /* The system WILL go to sleep. Ack or suffer delay */
+
+ IOAllowPowerChange(root_port, (long)messageArgument);
+ break;
+
+ case kIOMessageSystemWillRestart:
+ /* The system WILL restart. Ack or suffer delay */
+
+ IOAllowPowerChange(root_port, (long)messageArgument);
+ break;
+
+ case kIOMessageSystemWillPowerOn:
+ case kIOMessageSystemHasPoweredOn:
+ /* coming back from sleep */
+
+ IOAllowPowerChange(root_port, (long)messageArgument);
+ break;
+
+ default:
+ IOAllowPowerChange(root_port, (long)messageArgument);
+ break;
+ }
+}
+
+static void
+afsd_update_addresses(CFRunLoopTimerRef timer, void *info)
+{
+ /* parse multihomed address files */
+ afs_int32 addrbuf[MAXIPADDRS], maskbuf[MAXIPADDRS],
+ mtubuf[MAXIPADDRS];
+ char reason[1024];
+ afs_int32 code;
+
+ code =
+ parseNetFiles(addrbuf, maskbuf, mtubuf, MAXIPADDRS, reason,
+ AFSDIR_CLIENT_NETINFO_FILEPATH,
+ AFSDIR_CLIENT_NETRESTRICT_FILEPATH);
+
+ if (code > 0) {
+ /* Note we're refreshing */
+ code = code | 0x40000000;
+ call_syscall(AFSOP_ADVISEADDR, code, addrbuf, maskbuf, mtubuf);
+ } else
+ printf("ADVISEADDR: Error in specifying interface addresses:%s\n",
+ reason);
+}
+
+/* This function is called when the system's ip addresses may have changed. */
+static void
+afsd_ipaddr_callback (SCDynamicStoreRef store, CFArrayRef changed_keys, void *info)
+{
+ CFRunLoopTimerRef timer;
+
+ timer = CFRunLoopTimerCreate (NULL, CFAbsoluteTimeGetCurrent () + 1.0,
+ 0.0, 0, 0, afsd_update_addresses, NULL);
+ CFRunLoopAddTimer (CFRunLoopGetCurrent (), timer,
+ kCFRunLoopDefaultMode);
+ CFRelease (timer);
+}
+
+static void
+afsd_event_cleanup(int signo) {
+ DNSSDState *query = &dnsstate;
+
+ CFRunLoopRemoveSource(CFRunLoopGetCurrent(), source, kCFRunLoopDefaultMode);
+ CFRelease (source);
+ IODeregisterForSystemPower(&iterator);
+ IOServiceClose(root_port);
+ IONotificationPortDestroy(notify);
+
+ exit(0);
+}
+
+/* Adapted from "Living in a Dynamic TCP/IP Environment" technote. */
+static Boolean
+afsd_install_events(void)
+{
+ SCDynamicStoreContext ctx = {0};
+ SCDynamicStoreRef store;
+
+ root_port = IORegisterForSystemPower(0,¬ify,afsd_sleep_callback,&iterator);
+
+ if (root_port) {
+ CFRunLoopAddSource(CFRunLoopGetCurrent(),
+ IONotificationPortGetRunLoopSource(notify),
+ kCFRunLoopDefaultMode);
+ }
+
+
+ store = SCDynamicStoreCreate (NULL,
+ CFSTR ("AddIPAddressListChangeCallbackSCF"),
+ afsd_ipaddr_callback, &ctx);
+
+ if (store) {
+ const void *keys[1];
+
+ /* Request IPV4 address change notification */
+ keys[0] = (SCDynamicStoreKeyCreateNetworkServiceEntity
+ (NULL, kSCDynamicStoreDomainState,
+ kSCCompAnyRegex, kSCEntNetIPv4));
+
+#if 0
+ /* This should tell us when the hostname(s) change. do we care? */
+ keys[N] = SCDynamicStoreKeyCreateHostNames (NULL);
+#endif
+
+ if (keys[0] != NULL) {
+ CFArrayRef pattern_array;
+
+ pattern_array = CFArrayCreate (NULL, keys, 1,
+ &kCFTypeArrayCallBacks);
+
+ if (pattern_array != NULL)
+ {
+ SCDynamicStoreSetNotificationKeys (store, NULL, pattern_array);
+ source = SCDynamicStoreCreateRunLoopSource (NULL, store, 0);
+
+ CFRelease (pattern_array);
+ }
+
+ if (keys[0] != NULL)
+ CFRelease (keys[0]);
+ }
+
+ CFRelease (store);
+ }
+
+ if (source != NULL) {
+ CFRunLoopAddSource (CFRunLoopGetCurrent(),
+ source, kCFRunLoopDefaultMode);
+ }
+
+ signal(SIGTERM, afsd_event_cleanup);
+
+ CFRunLoopRun();
+}
+#endif
+
/* ParseArgs is now obsolete, being handled by cmd */
/*------------------------------------------------------------------------------
* Sets globals.
*---------------------------------------------------------------------------*/
-int ParseCacheInfoFile(void)
+int
+ParseCacheInfoFile(void)
{
static char rn[] = "ParseCacheInfoFile"; /*This routine's name */
FILE *cachefd; /*Descriptor for cache info file */
tmd, tbd, tCacheBlocks);
}
if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) {
- return(PartSizeOverflow(tbd, cacheBlocks));
+ return (PartSizeOverflow(tbd, cacheBlocks));
}
return (0);
* 0 if everything went well,
* 1 otherwise.
*/
-int PartSizeOverflow(char *path, int cs)
+int
+PartSizeOverflow(char *path, int cs)
{
int bsize = -1, totalblks, mint;
#if AFS_HAVE_STATVFS
totalblks = statbuf.f_blocks;
bsize = statbuf.f_frsize;
#if AFS_AIX51_ENV
- if(strcmp(statbuf.f_basetype, "jfs")) {
- fprintf(stderr, "Cache filesystem '%s' must be jfs (now %s)\n",
- path, statbuf.f_basetype);
- return 1;
+ if (strcmp(statbuf.f_basetype, "jfs")) {
+ fprintf(stderr, "Cache filesystem '%s' must be jfs (now %s)\n",
+ path, statbuf.f_basetype);
+ return 1;
}
#endif /* AFS_AIX51_ENV */
totalblks /= (1024 / bsize);
}
- mint = totalblks - ((totalblks * 5) / 100);
+ mint = totalblks / 100 * 95;
if (cs > mint) {
printf
("Cache size (%d) must be less than 95%% of partition size (which is %d). Lower cache size\n",
cs, mint);
- return 1;
+ return 1;
}
return 0;
/* Build the new cache subdirectory */
sprintf(dir, "%s/D%d", basename, dirNum);
- if (afsd_verbose)
+ if (afsd_debug)
printf("%s: Creating cache subdir '%s'\n", rn, dir);
if ((ret = mkdir(dir, 0700)) != 0) {
int cfd; /*File descriptor to AFS cache file */
int closeResult; /*Result of close() */
- if (afsd_verbose)
+ if (afsd_debug)
printf("%s: Creating cache file '%s'\n", rn, fname);
cfd = open(fname, createAndTrunc, ownerRWmode);
if (cfd <= 0) {
CreateFileIfMissing(char *fullpn, int missing)
{
if (missing) {
- if (afsd_verbose)
- printf("CreateFileIfMissing: Creating '%s'\n", fullpn);
if (CreateCacheFile(fullpn, NULL))
printf("CreateFileIfMissing: Can't create '%s'\n", fullpn);
}
}
+static void
+UnlinkUnwantedFile(char *rn, char *fullpn_FileToDelete, char *fileToDelete)
+{
+ if (unlink(fullpn_FileToDelete)) {
+ if ((errno == EISDIR || errno == EPERM) && *fileToDelete == 'D') {
+ if (rmdir(fullpn_FileToDelete)) {
+ printf("%s: Can't rmdir '%s', errno is %d\n", rn,
+ fullpn_FileToDelete, errno);
+ }
+ } else
+ printf("%s: Can't unlink '%s', errno is %d\n", rn,
+ fullpn_FileToDelete, errno);
+ }
+}
+
/*-----------------------------------------------------------------------------
* SweepAFSCache
*
if (afsd_debug) {
printf("%s: Current directory entry:\n", rn);
#ifdef AFS_SGI62_ENV
- printf("\tinode=%lld, reclen=%d, name='%s'\n", currp->d_ino,
+ printf("\tinode=%" AFS_INT64_FMT ", reclen=%d, name='%s'\n", currp->d_ino,
currp->d_reclen, currp->d_name);
#else
printf("\tinode=%d, reclen=%d, name='%s'\n", currp->d_ino,
* file's inode, directory, and bump the number of files found
* total and in this directory.
*/
+#if !defined(AFS_CACHE_VNODE_PATH) && !defined(LINUX_USE_FH)
inode_for_V[vFileNum] = currp->d_ino;
+#endif
dir_for_V[vFileNum] = dirNum; /* remember this directory */
if (!maxDir) {
sprintf(fileToDelete, "%s", currp->d_name);
if (afsd_verbose)
printf("%s: Deleting '%s'\n", rn, fullpn_FileToDelete);
- if (unlink(fullpn_FileToDelete)) {
- if (errno == EISDIR && *fileToDelete == 'D') {
- if (rmdir(fullpn_FileToDelete)) {
- printf("%s: Can't rmdir '%s', errno is %d\n", rn,
- fullpn_FileToDelete, errno);
- }
- } else
- printf("%s: Can't unlink '%s', errno is %d\n", rn,
- fullpn_FileToDelete, errno);
- }
+ UnlinkUnwantedFile(rn, fullpn_FileToDelete, fileToDelete);
}
}
vFileNum);
else {
struct stat statb;
+#if !defined(AFS_CACHE_VNODE_PATH) && !defined(LINUX_USE_FH)
assert(inode_for_V[vFileNum] == (AFSD_INO_T) 0);
+#endif
sprintf(vFilePtr, "D%d/V%d", thisDir, vFileNum);
if (afsd_verbose)
printf("%s: Creating '%s'\n", rn, fullpn_VFile);
if (CreateCacheFile(fullpn_VFile, &statb))
printf("%s: Can't create '%s'\n", rn, fullpn_VFile);
else {
+#if !defined(AFS_CACHE_VNODE_PATH) && !defined(LINUX_USE_FH)
inode_for_V[vFileNum] = statb.st_ino;
+#endif
dir_for_V[vFileNum] = thisDir;
cache_dir_list[thisDir]++;
(*vFilesFound)++;
/* Remove any directories >= maxDir -- they should be empty */
for (; highDir >= maxDir; highDir--) {
sprintf(fileToDelete, "D%d", highDir);
- if (unlink(fullpn_FileToDelete)) {
- if (errno == EISDIR && *fileToDelete == 'D') {
- if (rmdir(fullpn_FileToDelete)) {
- printf("%s: Can't rmdir '%s', errno is %d\n", rn,
- fullpn_FileToDelete, errno);
- }
- } else
- printf("%s: Can't unlink '%s', errno is %d\n", rn,
- fullpn_FileToDelete, errno);
- }
+ UnlinkUnwantedFile(rn, fullpn_FileToDelete, fileToDelete);
}
}
if (res != 0) {
return "unable to statfs cache base directory";
}
+#if !defined(LINUX_USE_FH)
if (statfsbuf.f_type == 0x52654973) { /* REISERFS_SUPER_MAGIC */
return "cannot use reiserfs as cache partition";
- } else if (statfsbuf.f_type == 0x58465342) { /* XFS_SUPER_MAGIC */
+ } else if (statfsbuf.f_type == 0x58465342) { /* XFS_SUPER_MAGIC */
return "cannot use xfs as cache partition";
+ } else if (statfsbuf.f_type == 0x01021994) { /* TMPFS_SUPER_MAGIC */
+ return "cannot use tmpfs as cache partition";
+ } else if (statfsbuf.f_type != 0xEF53) {
+ return "must use ext2 or ext3 for cache partition";
}
+#endif
}
#endif
return doSweepAFSCache(vFilesFound, cacheBaseDir, -2, maxDir);
}
-static
-ConfigCell(aci, arock, adir)
- register struct afsconf_cell *aci;
- char *arock;
- struct afsconf_dir *adir;
+static int
+ConfigCell(struct afsconf_cell *aci, void *arock, struct afsconf_dir *adir)
{
- register int isHomeCell;
- register int i, code;
+ int isHomeCell;
+ int i, code;
afs_int32 cellFlags = 0;
afs_int32 hosts[MAXHOSTSPERCELL];
}
static
-ConfigCellAlias(aca, arock, adir)
- register struct afsconf_cellalias *aca;
- char *arock;
- struct afsconf_dir *adir;
+ConfigCellAlias(struct afsconf_cellalias *aca,
+ void *arock, struct afsconf_dir *adir)
{
/* push the alias into the kernel */
call_syscall(AFSOP_ADDCELLALIAS, aca->aliasName, aca->realName);
kernelMsg[1] = 0;
acellName[0] = '\0';
+#ifdef AFS_DARWIN_ENV
+ /* Fork the event handler also. */
+ code = fork();
+ if (code == 0) {
+ afsd_install_events();
+ exit(1);
+ } else if (code != -1) {
+ event_pid = code;
+ }
+#endif
while (1) {
/* On some platforms you only get 4 args to an AFS call */
int sizeArg = ((sizeof acellName) << 16) | (sizeof kernelMsg);
acellName[sizeof(acellName) - 1] = '\0';
}
}
-
+#ifdef AFS_DARWIN_ENV
+ kill(event_pid, SIGTERM);
+#endif
exit(1);
}
#endif
#endif
#endif
-mainproc(as, arock)
- struct cmd_syndesc *as;
- char *arock;
+mainproc(struct cmd_syndesc *as, void *arock)
{
static char rn[] = "afsd"; /*Name of this routine */
- register afs_int32 code; /*Result of fork() */
- register int i;
+ afs_int32 code; /*Result of fork() */
+ int i;
int currVFile; /*Current AFS cache file number passed in */
int mountFlags; /*Flags passed to mount() */
int lookupResult; /*Result of GetLocalCellName() */
if (as->parms[3].items) {
/* -stat */
cacheStatEntries = atoi(as->parms[3].items->data);
+ sawCacheStatEntries = 1;
}
if (as->parms[4].items) {
/* -memcache */
cacheBaseDir[0] = '\0';
sawCacheBaseDir = 1;
cacheFlags |= AFSCALL_INIT_MEMCACHE;
- if (chunkSize == 0)
- chunkSize = 13;
}
if (as->parms[5].items) {
/* -cachedir */
/* -chunksize */
chunkSize = atoi(as->parms[12].items->data);
if (chunkSize < 0 || chunkSize > 30) {
- printf("afsd:invalid chunk size (not in range 0-30), using default\n");
+ printf
+ ("afsd:invalid chunk size (not in range 0-30), using default\n");
chunkSize = 0;
}
}
strcpy(confDir, as->parms[17].items->data);
}
sprintf(fullpn_CacheInfo, "%s/%s", confDir, CACHEINFOFILE);
- sprintf(fullpn_AFSLogFile, "%s/%s", confDir, AFSLOGFILE);
if (as->parms[18].items) {
/* -logfile */
- strcpy(fullpn_AFSLogFile, as->parms[18].items->data);
+ printf("afsd: Ignoring obsolete -logfile flag\n");
}
if (as->parms[19].items) {
/* -waitclose */
if (as->parms[25].items) {
/* -files_per_subdir */
int res = atoi(as->parms[25].items->data);
- if (res < 10 || res > 2 ^ 30) {
+ if (res < 10 || res > (1 << 30)) {
printf
("afsd:invalid number of files per subdir, \"%s\". Ignored\n",
as->parms[25].items->data);
enable_rxbind = 1;
}
if (as->parms[32].items) {
- /* -settime */
- cacheSetTime = TRUE;
+ /* -settime */
+ cacheSetTime = TRUE;
}
/* set rx_extraPackets */
if (as->parms[33].items) {
/* -rxpck */
int rxpck = atoi(as->parms[33].items->data);
- printf("afsd: set rxpck = %d\n",rxpck);
+ printf("afsd: set rxpck = %d\n", rxpck);
code = call_syscall(AFSOP_SET_RXPCK, rxpck);
if (code) {
- printf("afsd: failed to set rxpck\n");
- exit(1);
+ printf("afsd: failed to set rxpck\n");
+ exit(1);
}
}
if (as->parms[34].items) {
char *c;
if (!as->parms[34].items->data ||
- ((c = strchr(as->parms[34].items->data, '/')) == NULL))
- printf("ignoring splitcache (specify as RW/RO percentages: 60/40)\n");
- else {
- ropct = atoi((char *)c+1);
- *c = '\0';
- rwpct = atoi((char *)as->parms[30].items->data);
- if ((rwpct != 0) && (ropct != 0) && (ropct+rwpct == 100)) {
- /* -splitcache */
- enable_splitcache = 1;
- }
- }
- }
+ ((c = strchr(as->parms[34].items->data, '/')) == NULL))
+ printf
+ ("ignoring splitcache (specify as RW/RO percentages: 60/40)\n");
+ else {
+ ropct = atoi((char *)c + 1);
+ *c = '\0';
+ rwpct = atoi((char *)as->parms[30].items->data);
+ if ((rwpct != 0) && (ropct != 0) && (ropct + rwpct == 100)) {
+ /* -splitcache */
+ enable_splitcache = 1;
+ }
+ }
+ }
/*
* Pull out all the configuration info for the workstation's AFS cache and
* the cellular community we're willing to let our users see.
exit(1);
}
- if ((logfd = fopen(fullpn_AFSLogFile, "r+")) == 0) {
- if (afsd_verbose)
- printf("%s: Creating '%s'\n", rn, fullpn_AFSLogFile);
- if (CreateCacheFile(fullpn_AFSLogFile, NULL)) {
- printf
- ("%s: Can't create '%s' (You may want to use the -logfile option)\n",
- rn, fullpn_AFSLogFile);
- exit(1);
- }
- } else
- fclose(logfd);
-
/* do some random computations in memcache case to get things to work
* reasonably no matter which parameters you set.
*/
/* memory cache: size described either as blocks or dcache entries, but
* not both.
*/
+ if (filesSet) {
+ fprintf(stderr, "%s: -files ignored with -memcache\n", rn);
+ }
if (sawDCacheSize) {
+ if (chunkSize == 0) {
+ chunkSize = 13; /* 8k default chunksize for memcache */
+ }
if (sawCacheBlocks) {
printf
("%s: can't set cache blocks and dcache size simultaneously when diskless.\n",
exit(1);
}
/* compute the cache size based on # of chunks times the chunk size */
- i = (chunkSize == 0 ? 13 : chunkSize);
- i = (1 << i); /* bytes per chunk */
+ i = (1 << chunkSize); /* bytes per chunk */
cacheBlocks = i * dCacheSize;
sawCacheBlocks = 1; /* so that ParseCacheInfoFile doesn't overwrite */
} else {
+ if (chunkSize == 0) {
+ /* Try to autotune the memcache chunksize based on size
+ * of memcache. This is done on the assumption that approx
+ * 1024 chunks is suitable, it's a balance between enough
+ * chunks to be useful and ramping up nicely when using larger
+ * memcache to improve bulk read/write performance
+ */
+ for (i = 14;
+ i <= 21 && (1 << i) / 1024 < (cacheBlocks / 1024); i++);
+ chunkSize = i - 1;
+ }
/* compute the dcache size from overall cache size and chunk size */
- i = (chunkSize == 0 ? 13 : chunkSize);
- /* dCacheSize = (cacheBlocks << 10) / (1<<i); */
- if (i > 10) {
- dCacheSize = (cacheBlocks >> (i - 10));
- } else if (i < 10) {
- dCacheSize = (cacheBlocks << (10 - i));
+ if (chunkSize > 10) {
+ dCacheSize = (cacheBlocks >> (chunkSize - 10));
+ } else if (chunkSize < 10) {
+ dCacheSize = (cacheBlocks << (10 - chunkSize));
} else {
dCacheSize = cacheBlocks;
}
* by ParseCacheInfoFile.
*/
}
- /* kernel computes # of dcache entries as min of cacheFiles and dCacheSize,
- * so we now make them equal.
+ if (afsd_verbose)
+ printf("%s: chunkSize autotuned to %d\n", rn, chunkSize);
+
+ /* kernel computes # of dcache entries as min of cacheFiles and
+ * dCacheSize, so we now make them equal.
*/
cacheFiles = dCacheSize;
} else {
* but only if -files isn't given on the command line.
* Don't let # files be so small as to prevent full utilization
* of the cache unless user has explicitly asked for it.
- * average V-file is ~10K, according to tentative empirical studies.
*/
+ if (chunkSize == 0) {
+ /* Set chunksize to 256kB - 1MB depending on cache size */
+ if (cacheBlocks < 500000) {
+ chunkSize = 18;
+ } else if (cacheBlocks < 1000000) {
+ chunkSize = 19;
+ } else {
+ chunkSize = 20;
+ }
+ }
if (!filesSet) {
- cacheFiles = cacheBlocks / 10;
- if (cacheFiles < 100)
- cacheFiles = 100;
+ cacheFiles = cacheBlocks / 32; /* Assume 32k avg filesize */
+
+ cacheFiles = max(cacheFiles, 1000);
+
/* Always allow more files than chunks. Presume average V-file
* is ~67% of a chunk... (another guess, perhaps Honeyman will
* have a grad student write a paper). i is KILOBYTES.
*/
- i = 1 << (chunkSize ==
- 0 ? 6 : (chunkSize < 10 ? 0 : chunkSize - 10));
+ i = 1 << (chunkSize < 10 ? 0 : chunkSize - 10);
cacheFiles = max(cacheFiles, 1.5 * (cacheBlocks / i));
+
/* never permit more files than blocks, while leaving space for
* VolumeInfo and CacheItems files. VolumeInfo is usually 20K,
* CacheItems is 50 Bytes / file (== 1K/20)
*/
-#define VOLINFOSZ 20
#define CACHEITMSZ (cacheFiles / 20)
-#ifdef AFS_AIX_ENV
- cacheFiles =
- min(cacheFiles, (cacheBlocks - VOLINFOSZ - CACHEITMSZ) / 4);
-#else
- cacheFiles =
- min(cacheFiles, cacheBlocks - VOLINFOSZ - CACHEITMSZ);
-#endif
+#define VOLINFOSZ 50 /* 40kB has been seen, be conservative */
+#define CELLINFOSZ 4 /* Assuming disk block size is 4k ... */
+#define INFOSZ (VOLINFOSZ+CELLINFOSZ+CACHEITMSZ)
+
+ /* Sanity check: If the obtained number of disk cache files
+ * is larger than the number of available (4k) disk blocks, we're
+ * doing something wrong. Fail hard so we can fix the bug instead
+ * of silently hiding it like before */
+
+ if (cacheFiles > (cacheBlocks - INFOSZ) / 4) {
+ fprintf(stderr,
+ "%s: ASSERT: cacheFiles %d diskblocks %d\n",
+ rn, cacheFiles, (cacheBlocks - INFOSZ) / 4);
+ exit(1);
+ }
if (cacheFiles < 100)
fprintf(stderr, "%s: WARNING: cache probably too small!\n",
rn);
+
+ if (afsd_verbose)
+ printf("%s: cacheFiles autotuned to %d\n", rn, cacheFiles);
}
+#if 0
+ /* This actually needs to
+ 1) use powers of 2
+ 2) not second-guess when a chunksize comes from the command line
+ 3) be less, um, small. 2^2??
+ */
+ /* Sanity check chunkSize */
+ i = max(cacheBlocks / 1000, cacheBlocks / cacheFiles);
+ chunkSize = min(chunkSize, i);
+ chunkSize = max(chunkSize, 2);
+ if (afsd_verbose)
+ printf("%s: chunkSize autotuned to %d\n", rn, chunkSize);
+#endif
+
if (!sawDCacheSize) {
- if ((cacheFiles / 2) > dCacheSize)
- dCacheSize = cacheFiles / 2;
- if (dCacheSize > 2000)
+ dCacheSize = cacheFiles / 2;
+ if (dCacheSize > 10000) {
+ dCacheSize = 10000;
+ }
+ if (dCacheSize < 2000) {
dCacheSize = 2000;
+ }
+ if (afsd_verbose)
+ printf("%s: dCacheSize autotuned to %d\n", rn, dCacheSize);
+ }
+ }
+ if (!sawCacheStatEntries) {
+ if (chunkSize <= 13) {
+ cacheStatEntries = dCacheSize / 4;
+ } else if (chunkSize >= 16) {
+ cacheStatEntries = dCacheSize * 1.5;
+ } else {
+ cacheStatEntries = dCacheSize;
}
+ if (afsd_verbose)
+ printf("%s: cacheStatEntries autotuned to %d\n", rn,
+ cacheStatEntries);
}
+#if !defined(AFS_CACHE_VNODE_PATH) && !defined(LINUX_USE_FH)
/*
* Create and zero the inode table for the desired cache files.
*/
if (afsd_debug)
printf("%s: %d inode_for_V entries at 0x%x, %d bytes\n", rn,
cacheFiles, inode_for_V, (cacheFiles * sizeof(AFSD_INO_T)));
+#endif
/*
* Set up all the pathnames we'll need for later.
sprintf(fullpn_VFile, "%s/", cacheBaseDir);
vFilePtr = fullpn_VFile + strlen(fullpn_VFile);
- if (!(cacheFlags & AFSCALL_INIT_MEMCACHE) && (fsTypeMsg = CheckCacheBaseDir(cacheBaseDir))) {
+ if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)
+ && (fsTypeMsg = CheckCacheBaseDir(cacheBaseDir))) {
+#ifdef AFS_SUN5_ENV
printf("%s: WARNING: Cache dir check failed (%s)\n", rn, fsTypeMsg);
- }
-#if 0
- fputs(AFS_GOVERNMENT_MESSAGE, stdout);
- fflush(stdout);
+#else
+ printf("%s: ERROR: Cache dir check failed (%s)\n", rn, fsTypeMsg);
+ exit(1);
#endif
+ }
/*
* Set up all the kernel processes needed for AFS.
enable_process_stats);
exit(1);
}
+#ifdef AFS_SUN510_ENV
+ waitpid((pid_t) -1, NULL, 0);
+#endif
#endif
if (afsd_verbose)
printf("%s: Forking rx callback listener.\n", rn);
*/
if (daemon(0, 0) == -1) {
printf("Error starting AFSDB lookup handler: %s\n",
- strerror(errno));
+ strerror(errno));
exit(1);
}
AfsdbLookupHandler();
#endif
code = call_syscall(AFSOP_BASIC_INIT, 1);
- if (code)
+ if (code) {
printf("%s: Error %d in basic initialization.\n", rn, code);
+ exit(1);
+ }
/*
* Tell the kernel some basic information about the workstation's cache.
rn, vFilesFound, cacheFiles, cacheIteration);
} while ((vFilesFound < cacheFiles)
&& (cacheIteration < MAX_CACHE_LOOPS));
+#ifdef AFS_CACHE_VNODE_PATH
+ if (afsd_debug)
+ printf
+ ("%s: Calling AFSOP_CACHEBASEDIR with '%s'\n",
+ rn, cacheBaseDir);
+ call_syscall(AFSOP_CACHEBASEDIR, cacheBaseDir);
+ if (afsd_debug)
+ printf
+ ("%s: Calling AFSOP_CACHEDIRS with %d dirs\n",
+ rn, nFilesPerDir);
+ call_syscall(AFSOP_CACHEDIRS, nFilesPerDir);
+ if (afsd_debug)
+ printf
+ ("%s: Calling AFSOP_CACHEFILES with %d files\n",
+ rn, cacheFiles);
+ call_syscall(AFSOP_CACHEFILES, cacheFiles);
+#endif
} else if (afsd_verbose)
printf("%s: Using memory cache, not swept\n", rn);
printf("%s: Calling AFSOP_VOLUMEINFO: volume info file is '%s'\n", rn,
fullpn_VolInfoFile);
/* once again, meaningless for a memory-based cache. */
- if (!(cacheFlags & AFSCALL_INIT_MEMCACHE))
+ if (!(cacheFlags & AFSCALL_INIT_MEMCACHE))
call_syscall(AFSOP_VOLUMEINFO, fullpn_VolInfoFile);
- /*
- * Pass the kernel the name of the afs logging file holding the volume
- * information.
- */
- if (afsd_debug)
- printf("%s: Calling AFSOP_AFSLOG: volume info file is '%s'\n", rn,
- fullpn_AFSLogFile);
-#if defined(AFS_SGI_ENV)
- /* permit explicit -logfile argument to enable logging on memcache systems */
- if (!(cacheFlags & AFSCALL_INIT_MEMCACHE) || as->parms[18].items)
-#else
- if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) /* ... nor this ... */
-#endif
- call_syscall(AFSOP_AFSLOG, fullpn_AFSLogFile);
-
+#ifndef AFS_CACHE_VNODE_PATH
/*
* Give the kernel the names of the AFS files cached on the workstation's
* disk.
(afs_uint32) (inode_for_V[currVFile] >> 32),
(afs_uint32) (inode_for_V[currVFile] & 0xffffffff));
#else
+#if defined(LINUX_USE_FH)
+ sprintf(fullpn_VFile, "%s/D%d/V%d", cacheBaseDir, dir_for_V[currVFile], currVFile);
+ call_syscall(AFSOP_CACHEFILE, fullpn_VFile);
+#else
call_syscall(AFSOP_CACHEINODE, inode_for_V[currVFile]);
#endif
+#endif
}
-
+#endif
/*end for */
/*
if (afsd_verbose)
printf("%s: Mounting the AFS root on '%s', flags: %d.\n", rn,
cacheMountDir, mountFlags);
-#ifdef AFS_FBSD_ENV
+#if defined(AFS_FBSD60_ENV)
+ /* data must be non-NULL but is otherwise ignored */
+ if ((mount(MOUNT_AFS, cacheMountDir, mountFlags, rn)) < 0) {
+#elif defined(AFS_FBSD_ENV)
if ((mount("AFS", cacheMountDir, mountFlags, (caddr_t) 0)) < 0) {
#elif defined(AFS_AIX_ENV)
if (aix_vmount()) {
-main(argc, argv)
- int argc;
- char **argv;
+main(int argc, char **argv)
{
struct cmd_syndesc *ts;
cmd_AddParm(ts, "-nomount", CMD_FLAG, CMD_OPTIONAL, "Do not mount AFS");
cmd_AddParm(ts, "-backuptree", CMD_FLAG, CMD_OPTIONAL,
"Prefer backup volumes for mointpoints in backup volumes");
- cmd_AddParm(ts, "-rxbind", CMD_FLAG, CMD_OPTIONAL, "Bind the Rx socket (one interface only)");
- cmd_AddParm(ts, "-settime", CMD_FLAG, CMD_OPTIONAL,
- "don't set the time");
- cmd_AddParm(ts, "-rxpck", CMD_SINGLE, CMD_OPTIONAL, "set rx_extraPackets to this value");
- cmd_AddParm(ts, "-splitcache", CMD_SINGLE, CMD_OPTIONAL, "Percentage RW versus RO in cache (specify as 60/40)");
+ cmd_AddParm(ts, "-rxbind", CMD_FLAG, CMD_OPTIONAL,
+ "Bind the Rx socket (one interface only)");
+ cmd_AddParm(ts, "-settime", CMD_FLAG, CMD_OPTIONAL, "set the time");
+ cmd_AddParm(ts, "-rxpck", CMD_SINGLE, CMD_OPTIONAL,
+ "set rx_extraPackets to this value");
+ cmd_AddParm(ts, "-splitcache", CMD_SINGLE, CMD_OPTIONAL,
+ "Percentage RW versus RO in cache (specify as 60/40)");
return (cmd_Dispatch(argc, argv));
}
#ifdef AFS_LINUX20_ENV
long eparm[4];
struct afsprocdata syscall_data;
- int fd = open(PROC_SYSCALL_FNAME,O_RDWR);
+ int fd = open(PROC_SYSCALL_FNAME, O_RDWR);
if (fd < 0)
- fd = open(PROC_SYSCALL_ARLA_FNAME,O_RDWR);
+ fd = open(PROC_SYSCALL_ARLA_FNAME, O_RDWR);
eparm[0] = param4;
eparm[1] = param5;
eparm[2] = param6;
syscall_data.param2 = param2;
syscall_data.param3 = param3;
syscall_data.param4 = param4;
- if(fd > 0) {
+ if (fd > 0) {
+ error = ioctl(fd, VIOC_SYSCALL, &syscall_data);
+ close(fd);
+ } else
+#endif
+#ifdef AFS_DARWIN80_ENV
+ struct afssysargs syscall_data;
+ int fd = open(SYSCALL_DEV_FNAME,O_RDWR);
+ syscall_data.syscall = AFSCALL_CALL;
+ syscall_data.param1 = param1;
+ syscall_data.param2 = param2;
+ syscall_data.param3 = param3;
+ syscall_data.param4 = param4;
+ syscall_data.param5 = param5;
+ syscall_data.param6 = param6;
+ if(fd >= 0) {
error = ioctl(fd, VIOC_SYSCALL, &syscall_data);
close(fd);
+ } else {
+ error = -1;
}
- else
-#endif
+ if (!error)
+ error=syscall_data.retval;
+#else
error =
syscall(AFS_SYSCALL, AFSCALL_CALL, param1, param2, param3, param4,
param5, param6, param7);
+#endif
- if (afsd_verbose)
+ if (afsd_debug)
printf("SScall(%d, %d, %d)=%d ", AFS_SYSCALL, AFSCALL_CALL, param1,
error);
return (error);
return (error);
}
-vmountdata(vmtp, obj, stub, host, hostsname, info, args)
- struct vmount *vmtp;
- char *obj, *stub, *host, *hostsname, *info, *args;
+vmountdata(struct vmount * vmtp, char *obj, char *stub, char *host,
+ char *hostsname, char *info, char *args)
{
- register struct data {
+ struct data {
short vmt_off;
short vmt_size;
} *vdp, *vdprev;
- register int size;
+ int size;
vdp = (struct data *)vmtp->vmt_data;
vdp->vmt_off = sizeof(struct vmount);