4 #include "cvmfs_config.h"
21 #ifndef CVMFS_LIBCVMFS
22 #ifdef FUSE_CAP_EXPORT_SUPPORT
23 #define CVMFS_NFS_SUPPORT
25 #warning "No NFS support, Fuse too old"
47 #include "google/protobuf/stubs/common.h"
55 #ifdef CVMFS_NFS_SUPPORT
92 timestamp_last_ = time(NULL);
108 if (instance.length() > 24)
111 if (!instance_sanitizer.
IsValid(instance)) {
112 boot_error_ =
"invalid instance name (" + instance +
"), " +
113 "only characters a-z, A-Z, 0-9, _ are allowed";
128 boot_error_ =
"Failure: shared local disk cache and alien cache mutually "
129 "exclusive. Please turn off shared local disk cache.";
134 boot_error_ =
"Failure: quota management and alien cache mutually "
135 "exclusive. Please turn off quota limit.";
142 boot_error_ =
"Failure: libcvmfs supports only unmanaged exclusive cache "
151 "'CVMFS_CACHE_BASE' and 'CVMFS_CACHE_DIR' are mutually exclusive";
180 unsigned length_tempdir = file_system->
workspace_.length() + 1;
181 sqlite3_temp_directory =
static_cast<char *
>(sqlite3_malloc(length_tempdir));
182 snprintf(sqlite3_temp_directory,
219 "Overall number of file open operations");
221 "Overall number of directory open operations");
223 "Number of lookups");
225 "Number of negative lookups");
229 "Number of links read");
231 "Number of inode forgets");
233 "Number of currently opened files");
235 "Number of currently opened directories");
237 "Number of I/O errors"));
265 const string &instance
355 boot_error_ =
"Failure: libcvmfs does not support NFS export.";
415 if (sqlite3_temp_directory) {
416 sqlite3_free(sqlite3_temp_directory);
417 sqlite3_temp_directory = NULL;
446 google::protobuf::ShutdownProtobufLibrary();
458 boot_error_ =
"could not acquire workspace lock (" +
473 boot_error_ =
"could not acquire workspace lock (" +
484 int sqlite_extended_error,
488 int sqlite_error = sqlite_extended_error & 0xFF;
489 switch (sqlite_error) {
490 case SQLITE_INTERNAL:
496 case SQLITE_CANTOPEN:
508 message, sqlite_extended_error);
518 const string &generic_parameter,
519 const string &instance)
525 if ((generic_parameter ==
"CVMFS_CACHE_SHARED") &&
528 return "CVMFS_SHARED_CACHE";
530 if ((generic_parameter ==
"CVMFS_CACHE_ALIEN") &&
533 return "CVMFS_ALIEN_CACHE";
535 if ((generic_parameter ==
"CVMFS_CACHE_SERVER_MODE") &&
538 return "CVMFS_SERVER_CACHE_MODE";
540 if ((generic_parameter ==
"CVMFS_CACHE_QUOTA_LIMIT") &&
543 return "CVMFS_QUOTA_LIMIT";
545 return generic_parameter;
548 return "CVMFS_CACHE_" + instance +
"_" + generic_parameter.substr(12);
562 boot_error_ =
"circular cache definition: " + instance;
570 string instance_type;
572 instance_type =
"posix";
577 if (instance_type ==
"posix") {
579 }
else if (instance_type ==
"ram") {
581 }
else if (instance_type ==
"tiered") {
583 }
else if (instance_type ==
"external") {
586 boot_error_ =
"invalid cache manager type for '" + instance +
"':" +
599 vector<string> cmd_line;
616 if (!plugin_handle->
IsValid()) {
623 if (cache_mgr == NULL) {
624 boot_error_ =
"failed to create external cache manager for " + instance;
644 boot_error_ =
"Failed to setup posix cache '" + instance +
"' in " +
652 const bool ignore_failure = settings.
is_alien;
669 uint64_t sz_cache_bytes;
685 if (optarg ==
"libc") {
687 }
else if (optarg ==
"heap") {
691 MkCacheParm(
"CVMFS_CACHE_MALLOC", instance) +
"=" + optarg;
696 sz_cache_bytes =
RoundUp8(std::max(static_cast<uint64_t>(40 * 1024 * 1024),
703 if (cache_mgr == NULL) {
704 boot_error_ =
"failed to create ram cache manager for " + instance;
739 if (tiered == NULL) {
740 boot_error_ =
"Failed to setup tiered cache manager " + instance;
745 MkCacheParm(
"CVMFS_CACHE_LOWER_READONLY", instance), &optarg) &&
761 "looks like cvmfs has been crashed previously");
765 boot_error_ =
"could not open running sentinel (" +
821 #ifdef CVMFS_NFS_SUPPORT
825 string no_nfs_sentinel;
829 no_nfs_sentinel = posix_cache_mgr->
cache_path() +
"/no_nfs_maps." +
name_;
832 const bool ignore_failure = posix_cache_mgr->
alien_cache();
833 CreateFile(no_nfs_sentinel, 0600, ignore_failure);
838 boot_error_ =
"NFS source only works with POSIX cache manager.";
847 if (!no_nfs_sentinel.empty() &&
FileExists(no_nfs_sentinel)) {
848 boot_error_ =
"Cache was used without NFS maps before. "
849 "It has to be wiped out.";
858 boot_error_ =
"Cache directory and workspace must be identical for "
895 if (tokens.size() != 2) {
897 "invalid format for CVMFS_NFS_INTERLEAVED_INODES: " + optarg;
918 int64_t quota_threshold = settings.
quota_limit / 2;
922 "using workspace %s to protect cache database in %s",
924 cache_workspace +=
":" + settings.
workspace;
935 if (quota_mgr == NULL) {
936 boot_error_ =
"Failed to initialize shared lru cache";
946 if (quota_mgr == NULL) {
955 "cache is already beyond quota size "
956 "(size: %" PRId64
", capacity: %" PRId64
"), cleaning up",
958 if (!quota_mgr->
Cleanup(quota_threshold)) {
969 "CernVM-FS: quota initialized, current size %luMB",
970 quota_mgr->
GetSize() / (1024 * 1024));
981 assert(retval == SQLITE_OK);
982 retval = sqlite3_config(SQLITE_CONFIG_MULTITHREAD);
983 assert(retval == SQLITE_OK);
987 retval = sqlite3_vfs_register(sqlite3_vfs_find(
"unix-none"), 1);
988 assert(retval == SQLITE_OK);
1011 "'CVMFS_CACHE_BASE' and 'CVMFS_CACHE_DIR' are mutually exclusive";
1023 const int mode = 0770;
1045 "failed to load/store %s/uuid",
workspace_.c_str());
1047 assert(uuid_cache_ != NULL);
1103 bool append =
false;
1106 boot_error_ =
"failed to load blacklist " + blacklist;
1113 string config_repository_path;
1115 blacklist = config_repository_path +
"blacklist";
1119 boot_error_ =
"failed to load blacklist from config repository";
1136 bool append =
false;
1160 if (options_mgr == NULL)
1163 fqrn, file_system, options_mgr));
1197 string authz_helper;
1199 authz_helper = optarg;
1202 authz_search_path = optarg;
1234 if (root_hash.
IsNull()) {
1238 bool alt_root_path =
1244 boot_error_ =
"Failed to initialize root file catalog";
1264 unsigned soft_limit;
1265 unsigned hard_limit;
1292 string forced_proxy_template;
1294 forced_proxy_template = optarg;
1296 forced_proxy_template);
1305 if (proxies ==
"") {
1306 boot_error_ =
"failed to discover HTTP proxy servers";
1310 string fallback_proxies;
1312 fallback_proxies = optarg;
1323 std::vector<std::string> host_chain;
1325 if (max_servers > 0 && max_servers < host_chain.size()) {
1326 host_chain.resize(max_servers);
1345 std::string roaming_value;
1350 "DNS roaming is enabled for this repository.");
1362 "DNS roaming is disabled for this repository.");
1374 const bool is_external_data =
true;
1391 public_keys = optarg;
1406 public_keys.c_str());
1410 boot_error_ =
"failed to load trusted certificates";
1427 "overall number of accessed inodes");
1429 "overall number of evicted inodes");
1431 "currently active inodes");
1433 "overall number of inode lookups");
1435 "overall number of successful path lookups");
1437 "overall number of unsuccessful path lookups");
1440 "overall number of added negative cache entries");
1442 "overall number of evicted negative cache entries");
1444 "overall number of prune calls");
1447 "overall number of added page cache entries");
1449 "overall number of evicted page cache entries");
1451 "overall number of direct I/O open calls");
1453 "overall number of open calls where the file's page cache gets flushed");
1455 "overall number of open calls where the file's page cache is reused");
1474 const double memcache_unit_size =
1477 const unsigned memcache_num_units =
1478 mem_cache_size /
static_cast<unsigned>(memcache_unit_size);
1480 const unsigned mask_64 = ~((1 << 6) - 1);
1506 boot_error_ =
"tracer is only supported in the fuse module";
1510 string tracebuffer_file = optarg;
1521 assert(tracebuffer_size <= INT_MAX
1522 && tracebuffer_threshold <= INT_MAX);
1524 "Initialising tracer with buffer size %" PRIu64
" and threshold %" PRIu64,
1525 tracebuffer_size, tracebuffer_threshold);
1547 string history_path;
1555 "failed to open history database (%s)", history_path.c_str());
1564 string repository_date;
1568 if (repository_utctime == 0) {
1569 boot_error_ =
"invalid timestamp in CVMFS_REPOSITORY_DATE: " +
1570 repository_date +
". Use YYYY-MM-DDTHH:MM:SSZ";
1574 retval = tag_db->GetByDate(repository_utctime, &tag);
1576 boot_error_ =
"no repository state as early as utc timestamp " +
1582 "time stamp %s UTC resolved to tag '%s'",
1612 if (history_hash.
IsNull()) {
1621 "tag database for " +
fqrn_,
1643 return max_ttl ? std::min(max_ttl, catalog_ttl_sec) : catalog_ttl_sec;
1667 , uuid_(cvmfs::Uuid::
Create(
""))
1671 , authz_fetcher_(NULL)
1672 , authz_session_mgr_(NULL)
1673 , authz_attachment_(NULL)
1674 , backoff_throttle_(NULL)
1677 , external_download_mgr_(NULL)
1679 , external_fetcher_(NULL)
1680 , inode_annotation_(NULL)
1682 , chunk_tables_(NULL)
1683 , simple_chunk_tables_(NULL)
1684 , inode_cache_(NULL)
1686 , md5path_cache_(NULL)
1688 , inode_tracker_(NULL)
1689 , nentry_tracker_(NULL)
1690 , page_cache_tracker_(NULL)
1691 , resolv_conf_watcher_(NULL)
1692 , max_ttl_sec_(kDefaultMaxTtlSec)
1693 , kcache_timeout_sec_(static_cast<double>(kDefaultKCacheTtlSec))
1694 , fixed_catalog_(false)
1695 , enforce_acls_(false)
1696 , has_membership_req_(false)
1697 , talk_socket_path_(std::string(
"./cvmfs_io.") + fqrn)
1698 , talk_socket_uid_(0)
1699 , talk_socket_gid_(0)
1775 std::max(0.0, static_cast<double>(
String2Int64(optarg)));
1789 if (
ToUpper(optarg) ==
"ROOTONLY") {
1791 }
else if (
ToUpper(optarg) ==
"NEVER") {
1793 }
else if (
ToUpper(optarg) ==
"ALWAYS") {
1797 "unsupported setting: CVMFS_MAGIC_XATTRS_VISIBILITY=%s",
1816 boot_error_ =
"unknown owner of cvmfs_talk socket: " + optarg;
1877 unsigned timeout_direct;
1890 std::vector<std::string> host_chain;
1901 std::vector<std::string> host_chain;
1903 if (max_servers > 0 && max_servers < host_chain.size()) {
1904 host_chain.resize(max_servers);
1909 string proxies =
"DIRECT";
1915 if (proxies ==
"") {
1916 boot_error_ =
"failed to discover external HTTP proxy servers";
1921 string fallback_proxies;
1923 fallback_proxies = optarg;
1999 if (!uid_map.Read(optarg)) {
2000 boot_error_ =
"failed to parse uid map " + optarg;
2006 if (!gid_map.Read(optarg)) {
2007 boot_error_ =
"failed to parse gid map " + optarg;
IoErrorInfo io_error_info_
OptionsManager * options_mgr()
#define LogCvmfs(source, mask,...)
static const unsigned kDnsDefaultTimeoutMs
bool GetVOMSAuthz(std::string *authz) const
void SetLogSyslogFacility(const int local_facility)
FileSystem * file_system_
Counter * Register(const std::string &name, const std::string &desc)
void SetCounter(perf::Counter *c)
void RegisterFdMapping(int from, int to)
std::string nfs_maps_dir_
void SetLogSyslogLevel(const int level)
void Activate(const int buffer_size, const int flush_threshold, const std::string &trace_file)
download::DownloadManager * download_mgr_
Log2Histogram * hist_fs_forget_multi_
void SetupInodeAnnotation()
catalog::InodeAnnotation * inode_annotation_
static NfsMapsSqlite * Create(const std::string &db_dir, const uint64_t root_inode, const bool rebuild, perf::Statistics *statistics_)
std::string workspace_fullpath_
static SqliteHistory * Open(const std::string &file_name)
void SetHostChain(const std::string &host_list)
static const unsigned kTracerFlushThreshold
vector< string > SplitString(const string &str, const char delim, const unsigned max_chunks)
virtual uint64_t GetSize()
static Publisher * Create(const SettingsPublisher &settings)
void SetLowSpeedLimit(const unsigned low_speed_limit)
Log2Histogram * hist_fs_opendir_
bool volatile_flag() const
virtual bool Cleanup(const uint64_t leave_size)
double kcache_timeout_sec_
signature::SignatureManager * signature_mgr_
void CreateFile(const std::string &path, const int mode, const bool ignore_failure)
perf::Counter * n_fs_lookup_
AuthzSessionManager * authz_session_mgr_
static const unsigned kDefaultRetries
string JoinStrings(const vector< string > &strings, const string &joint)
int fd_connection() const
perf::Statistics * statistics_
download::DownloadManager * download_mgr_
static const unsigned kDefaultTimeoutSec
bool CheckInstanceName(const std::string &instance)
perf::Statistics * statistics_
Log2Histogram * hist_fs_readlink_
void SetProxyChain(const std::string &proxy_list, const std::string &fallback_proxy_list, const ProxySetModes set_mode)
static NfsMapsLeveldb * Create(const std::string &leveldb_dir, const uint64_t root_inode, const bool rebuild, perf::Statistics *statistics)
bool IsOn(const std::string ¶m_value) const
std::string GetUniqFileSuffix()
download::DownloadManager * external_download_mgr_
MagicXattrManager * magic_xattr_mgr_
CacheManager * SetupCacheMgr(const std::string &instance)
const SettingsPublisher & settings() const
perf::Statistics * statistics_
static const char * kDefaultBlacklist
virtual bool AcquireQuotaManager(QuotaManager *quota_mgr)
static const unsigned kDefaultMaxTtl
bool CreateDownloadManagers()
std::string talk_socket_path_
perf::Counter * n_fs_stat_
perf::Counter * no_open_files_
assert((mem||(size==0))&&"Out Of Memory")
bool UnregisterVfsRdOnly()
CacheManager * SetupRamCacheMgr(const std::string &instance)
static void LogSqliteError(void *user_data __attribute__((unused)), int sqlite_extended_error, const char *message)
static void CleanupInstance()
static const unsigned kNfsMaps
string StringifyTime(const time_t seconds, const bool utc)
PosixCacheSettings DeterminePosixCacheSettings(const std::string &instance)
void SetDnsServer(const std::string &address)
void AssignGlobalArenas()
virtual CacheManagerIds id()=0
void SetLogMicroSyslog(const std::string &filename)
bool IsOff(const std::string ¶m_value) const
bool HasConfigRepository(const std::string &fqrn, std::string *config_path)
std::set< std::string > constructed_instances_
bool DetermineRootHash(shash::Any *root_hash)
static double GetEntrySize()
#define SetLogDebugFile(filename)
void SetTimeout(const unsigned seconds_proxy, const unsigned seconds_direct)
bool CreateCatalogManager()
glue::NentryTracker * nentry_tracker_
struct cvmcache_object_info __attribute__
void RemapCatalogFd(int from, int to)
static const unsigned kNfsNone
std::string path_crash_guard_
IntegerMap< uint64_t > OwnerMap
catalog::WritableCatalogManager * catalog_mgr_
static const char * kDefaultAuthzSearchPath
FileSystem(const FileSystemInfo &fs_info)
static const unsigned kLibPathCacheSize
OptionsManager * options_mgr_
Log2Histogram * hist_fs_getattr_
Log2Histogram * hist_fs_releasedir_
bool FileExists(const std::string &path)
bool LoadTrustedCaCrl(const std::string &path_list)
void SetDnsTtlLimits(const unsigned min_seconds, const unsigned max_seconds)
perf::Counter * n_fs_readlink_
void Init(const unsigned max_pool_handles, const perf::StatisticsTemplate &statistics)
int64_t String2Int64(const string &value)
void SetMaxTtlMn(unsigned value_minutes)
string ToUpper(const string &mixed_case)
static const unsigned kDefaultBackoffInitMs
perf::Counter * n_fs_forget_
MountPoint(const std::string &fqrn, FileSystem *file_system, OptionsManager *options_mgr)
void GetLimitNoFile(unsigned *soft_limit, unsigned *hard_limit)
void SetProxyGroupResetDelay(const unsigned seconds)
static CacheManager * Create(CacheManager *upper_cache, CacheManager *lower_cache)
static const unsigned kDefaultNumConnections
static const unsigned kNfsMapsHa
lru::Md5PathCache * md5path_cache_
bool RegisterVfsRdOnly(CacheManager *cache_mgr, perf::Statistics *statistics, const VfsOptions options)
static AuthzSessionManager * Create(AuthzFetcher *authz_fetcher, perf::Statistics *statistics)
std::string membership_req_
perf::Counter * n_fs_read_
signature::SignatureManager * signature_mgr_
static const char * kDefaultCacheMgrInstance
bool HasSuffix(const std::string &str, const std::string &suffix, const bool ignore_case)
bool IsRevisionBlacklisted()
virtual uint64_t GetCapacity()
glue::PageCacheTracker * page_cache_tracker_
bool found_previous_crash_
const char kSuffixCatalog
loader::Failures boot_status_
Failures Fetch(const std::string &base_url, const std::string &repository_name, const uint64_t minimum_timestamp, const shash::Any *base_catalog, signature::SignatureManager *signature_manager, download::DownloadManager *download_manager, ManifestEnsemble *ensemble)
bool CheckPosixCacheSettings(const PosixCacheSettings &settings)
ChunkTables * chunk_tables_
CacheManager * cache_mgr()
void SetupDnsTuning(download::DownloadManager *manager)
cvmfs::Uuid * uuid_cache_
unsigned GetEffectiveTtlSec()
int TryLockFile(const std::string &path)
bool MkdirDeep(const std::string &path, const mode_t mode, bool verify_writable)
Any MkFromHexPtr(const HexPtr hex, const char suffix)
int LockFile(const std::string &path)
void SetIpPreference(const dns::IpPreference preference)
static const unsigned kDefaultBackoffMaxMs
lru::InodeCache * inode_cache_
CacheManager * SetupPosixCacheMgr(const std::string &instance)
perf::Counter * n_fs_open_
static uint64_t RoundUp8(const uint64_t size)
bool SetupPosixQuotaMgr(const PosixCacheSettings &settings, CacheManager *cache_mgr)
static SqliteMemoryManager * GetInstance()
static PosixQuotaManager * Create(const std::string &cache_workspace, const uint64_t limit, const uint64_t cleanup_threshold, const bool rebuild_database)
void SetRetryParameters(const unsigned max_retries, const unsigned backoff_init_ms, const unsigned backoff_max_ms)
string StringifyInt(const int64_t value)
static const unsigned kInodeCacheFactor
void SetMaxIpaddrPerProxy(unsigned limit)
DownloadManager * Clone(const perf::StatisticsTemplate &statistics)
void Inc(class Counter *counter)
bool HasPrefix(const string &str, const string &prefix, const bool ignore_case)
Log2Histogram * hist_fs_readdir_
bool GetValue(const std::string &key, std::string *value) const
OptionsManager * options_mgr_
bool LoadBlacklist(const std::string &path_blacklist, bool append)
BackoffThrottle * backoff_throttle_
AuthzAttachment * authz_attachment_
void SetProxyTemplates(const std::string &direct, const std::string &forced)
SimpleChunkTables * simple_chunk_tables_
bool InitFixed(const shash::Any &root_hash, bool alternative_path)
static const unsigned kDefaultNfiles
static FileSystem * Create(const FileSystemInfo &fs_info)
bool has_custom_sqlitevfs_
time_t IsoTimestamp2UtcTime(const std::string &iso8601)
static Uuid * Create(const std::string &store_path)
pthread_mutex_t lock_max_ttl_
static const char * kDefaultCacheBase
string ResolveProxyDescription(const string &cvmfs_proxies, const std::string &path_fallback_cache, DownloadManager *download_manager)
uint64_t String2Uint64(const string &value)
static const unsigned kTracerBufferSize
catalog::ClientCatalogManager * catalog_mgr_
void UseSystemCertificatePath()
bool CreateSignatureManager()
std::string error_msg() const
bool GetUidOf(const std::string &username, uid_t *uid, gid_t *main_gid)
static ExternalCacheManager * Create(int fd_connection, unsigned max_open_fds, const std::string &ident)
AuthzFetcher * authz_fetcher_
bool FetchHistory(std::string *history_path)
perf::Statistics * statistics()
shash::Any history() const
static const unsigned kDefaultQuotaLimit
static PosixQuotaManager * CreateShared(const std::string &exe_path, const std::string &cache_workspace, const uint64_t limit, const uint64_t cleanup_threshold, bool foreground)
void ResetErrorCounters()
Log2Histogram * hist_fs_lookup_
bool LoadPublicRsaKeys(const std::string &path_list)
void RegisterHandler(const std::string &file_path, EventHandler *handler)
void GetTimeout(unsigned *seconds_proxy, unsigned *seconds_direct)
static const unsigned kDefaultMemcacheSize
FileSystem * file_system_
std::string repository_tag_
static const unsigned kDefaultMinTtl
void SetDnsParameters(const unsigned retries, const unsigned timeout_ms)
bool CreateResolvConfWatcher()
static ExternalQuotaManager * Create(ExternalCacheManager *cache_mgr)
Log2Histogram * hist_fs_read_
void SetCatalogWatermark(unsigned limit)
std::vector< std::string > blacklist_paths_
cvmfs::Fetcher * fetcher_
file_watcher::FileWatcher * resolv_conf_watcher_
static const unsigned kDnsDefaultRetries
bool GeoSortServers(std::vector< std::string > *servers, std::vector< uint64_t > *output_order=NULL)
bool SetupExternalDownloadMgr(bool dogeosort)
void SetOwnerMaps(const OwnerMap &uid_map, const OwnerMap &gid_map)
CacheManager * SetupExternalCacheMgr(const std::string &instance)
static void CleanupInstance()
perf::Counter * n_fs_lookup_negative_
Log2Histogram * hist_fs_open_
virtual bool AcquireQuotaManager(QuotaManager *quota_mgr)=0
std::string cache_mgr_instance_
std::string path_workspace_lock_
virtual void IncGeneration(const uint64_t by)=0
Log2Histogram * hist_fs_release_
void SetLogSyslogPrefix(const std::string &prefix)
std::string MakeCanonicalPath(const std::string &path)
OptionsManager * options_mgr_
perf::Counter * no_open_dirs_
glue::InodeTracker * inode_tracker_
static PluginHandle * CreatePlugin(const std::string &locator, const std::vector< std::string > &cmd_line)
bool IsDefined(const std::string &key)
void GetHostInfo(std::vector< std::string > *host_chain, std::vector< int > *rtt, unsigned *current_host)
void set_membership(const std::string &m)
CacheManager * SetupTieredCacheMgr(const std::string &instance)
std::vector< std::string > FindFilesBySuffix(const std::string &dir, const std::string &suffix)
lru::PathCache * path_cache_
CacheManager * cache_mgr_
static const inode_t kInodeOffset
void SetCredentialsAttachment(CredentialsAttachment *ca)
static ClientCtx * GetInstance()
virtual bool AcquireQuotaManager(QuotaManager *quota_mgr)
cvmfs::Uuid * uuid_cache()
cvmfs::Fetcher * external_fetcher_
perf::Counter * n_fs_dir_open_
static const uint64_t kSizeUnknown
std::string MkCacheParm(const std::string &generic_parameter, const std::string &instance)
void UnlockFile(const int filedes)
void SetInodeAnnotation(InodeAnnotation *new_annotation)
int Fetch(const shash::Any &id, const uint64_t size, const std::string &name, const zlib::Algorithms compression_algorithm, const CacheManager::ObjectType object_type, const std::string &alt_url="", off_t range_offset=-1)
virtual void SetInodeResidue(unsigned residue_class, unsigned remainder)
void SetHostResetDelay(const unsigned seconds)
static MountPoint * Create(const std::string &fqrn, FileSystem *file_system, OptionsManager *options_mgr=NULL)
Log2Histogram * hist_fs_forget_
static PosixCacheManager * Create(const std::string &cache_path, const bool alien_cache, const RenameWorkarounds rename_workaround=kRenameNormal)