FusePriv Class Reference

Fuse Private data class grabbed from fuse_get_context()->private_data (void*) in fuse filesystem functions. More...

#include <fuseOps.hpp>

Collaboration diagram for FusePriv:

Public Member Functions
	~FusePriv ()
	Destroy the Fuse Priv object, freeing all cstrings in fd_to_path_. More...
void	insert_fd_to_path (int fd, char *path)
	Insert fd : path pair into fd_to_path_ map. More...
void	remove_fd_to_path (int fd)
	Remove fd : path pair from fd_to_path_ map. More...
char *	fd_to_path (int fd) const
	Return path corresponding to file descriptor. More...
void	insert_size_at_open (int fd, uintmax_t size)
	Insert fd : size at open pair into size_at_open_ map. More...
void	remove_size_at_open (int fd)
	Remove fd : size at open pair from size_at_open_ map. More...
uintmax_t	size_at_open (int fd) const
	Return file size at open corresponding to fd to determine size delta at close. More...

Public Attributes
fs::path	config_path_
	Path to configuration file TODO: see if this is used anywhere.
fs::path	mount_point_
	Path to autotierfs mount point.
TierEngine *	autotier_
	Pointer to TierEngine.
std::shared_ptr< rocksdb::DB >	db_
	RocksDB database holding file metadata.
std::vector< Tier * >	tiers_
	List of pointers to tiers from TierEngine.
std::thread	tier_worker_
	Thread running TierEngineTiering::begin()
std::thread	adhoc_server_
	Thread running TierEngineAdhoc::process_adhoc_requests()

Private Attributes
std::mutex	fd_to_path_mt_
	Mutex to synchronize insertion and deletion from fd_to_path_ map. More...
std::unordered_map< int, char * >	fd_to_path_
	Map relating file descriptor to file path. More...
std::mutex	size_at_open_mt_
	Mutex to synchronize insertion and deletion from size_at_open_ map. More...
std::unordered_map< int, uintmax_t >	size_at_open_
	Map relating file descriptor to file size at open. More...

Detailed Description

Fuse Private data class grabbed from fuse_get_context()->private_data (void*) in fuse filesystem functions.

Constructor & Destructor Documentation

~FusePriv()

FusePriv::~FusePriv ( )

inline

Destroy the Fuse Priv object, freeing all cstrings in fd_to_path_.

Member Function Documentation

fd_to_path()

char* FusePriv::fd_to_path ( int  fd ) const

inline

Return path corresponding to file descriptor.

Parameters

fd	File descriptor

Returns

char* Path to file

insert_fd_to_path()

void FusePriv::insert_fd_to_path ( int  fd, char *  path  )

inline

Insert fd : path pair into fd_to_path_ map.

Parameters

fd	File descriptor
path	Path to file

insert_size_at_open()

void FusePriv::insert_size_at_open ( int  fd, uintmax_t  size  )

inline

Insert fd : size at open pair into size_at_open_ map.

Parameters

fd	File descriptor
size	Size of file at open

remove_fd_to_path()

void FusePriv::remove_fd_to_path ( int  fd )

inline

Remove fd : path pair from fd_to_path_ map.

Parameters

fd	File descriptor to remove

remove_size_at_open()

void FusePriv::remove_size_at_open ( int  fd )

inline

Remove fd : size at open pair from size_at_open_ map.

Parameters

fd	File descriptor to remove

size_at_open()

uintmax_t FusePriv::size_at_open ( int  fd ) const

inline

Return file size at open corresponding to fd to determine size delta at close.

Parameters

fd	File descriptor

Returns

uintmax_t Size of file at open

Member Data Documentation

fd_to_path_

std::unordered_map<int, char *> FusePriv::fd_to_path_

private

Map relating file descriptor to file path.

fd_to_path_mt_

std::mutex FusePriv::fd_to_path_mt_

private

Mutex to synchronize insertion and deletion from fd_to_path_ map.

size_at_open_

std::unordered_map<int, uintmax_t> FusePriv::size_at_open_

private

Map relating file descriptor to file size at open.

size_at_open_mt_

std::mutex FusePriv::size_at_open_mt_

private

Mutex to synchronize insertion and deletion from size_at_open_ map.

---

The documentation for this class was generated from the following file:

• src/incl/fuseOps.hpp