Minix Class Reference

#include <fs/minix/minix.h>

Inheritance diagram for Minix:

Collaboration diagram for Minix:

Public Member Functions
	Minix ()
	~Minix ()
int	mount (const void *data)
int	sync ()
void	umount ()
int	open (File *file)
int	close (File *file)
uint64_t	get_block (Inode *inode, uint64_t logical_block, bool create, int *error)
Inode *	create (Inode *dir, const char *filename, size_t name_len, umode_t mode, int *error)
int	link (Inode *dir, const char *filename, size_t name_len, Inode *inode)
int	symlink (Inode *dir, const char *filename, size_t name_len, const char *symname)
int	unlink (Inode *dir, const char *filename, size_t name_len, Inode *inode)
void	truncate (Inode *inode, off_t length)
Inode *	lookup (Inode *dir, const char *filename, size_t name_len, int *error)
int	iterate_dir (Inode *dir, Dir_Context *ctx)
int	mkdir (Inode *parent_dir, const char *filename, size_t name_len, umode_t mode)
int	rmdir (Inode *parent_dir, const char *filename, size_t name_len, Inode *dir)
int	rename (Inode *old_dir, Inode *old_inode, const char *old_name, size_t old_name_len, Inode *new_dir, Inode *new_inode, const char *new_name, size_t new_name_len)
int	write_inode (Inode *inode)
Inode *	allocate_inode ()
Public Member Functions inherited from Filesystem
	Filesystem ()
virtual	~Filesystem ()
virtual ssize_t	read (Inode *inode, void *buf, size_t count, off_t pos)
virtual ssize_t	write (Inode *inode, const void *buf, size_t count, off_t pos)
virtual int	punch_hole (Inode *inode, off_t from, off_t to)
virtual const char *	get_link (Inode *inode, void(**cleanup_callback)(const char *buf), int *error)

Private Member Functions
Inode *	iget (unsigned long ino, int *error)
int	new_block ()
Minix_Disk_Inode *	raw_inode (ino_t ino, Block *block, int *error)
Inode *	new_inode (umode_t mode, int *error)
int	block_to_path (unsigned long block, int offsets[DEPTH])
Indirect *	get_branch (Inode *inode, int depth, int *offsets, Indirect chain[DEPTH], int *err)
int	alloc_branch (int num, int *offsets, Indirect *branch)
Minix_Dirent *	find_dirent (Inode *dir, const char *filename, size_t name_len, Block *p_block, int *error)
int	add_link (Inode *dir, Inode *inode, const char *name, size_t name_len)
int	delete_entry (Inode *dir, const char *filename, size_t name_len)
int	make_empty_dir (Inode *inode, Inode *parent_dir)
void	free_branches (Inode *inode, block_t *p, block_t *q, int depth)
Indirect *	find_shared (Inode *inode, int depth, int offsets[DEPTH], Indirect chain[DEPTH], block_t *top)
void	free_data (block_t *p, const block_t *q)
void	free_block (unsigned long block)
void	clear_disk_inode (Inode *inode)
void	free_inode (Inode *inode)
int	check_dir_is_empty (Inode *dir)
unsigned int	dir_block_last_byte (Inode *dir, unsigned long lblock)

Private Attributes
friend	MinixInode
Minix_Super_Block *	super
Block	super_block
Block *	imap
Block *	zmap

Additional Inherited Members
Public Attributes inherited from Filesystem
BlockDevice *	bdev
Inode *	root_inode
unsigned long	num_inode_references

Constructor & Destructor Documentation

Minix()

Minix::Minix ( )

inline

~Minix()

Minix::~Minix ( )

inline

Member Function Documentation

mount()

int Minix::mount ( const void *  data )

virtual

Implements Filesystem.

sync()

int Minix::sync ( )

virtual

Implements Filesystem.

umount()

void Minix::umount ( )

virtual

Implements Filesystem.

open()

int Minix::open ( File *  file )

virtual

Implements Filesystem.

close()

int Minix::close ( File *  file )

virtual

Implements Filesystem.

get_block()

uint64_t Minix::get_block ( Inode *  inode, uint64_t  logical_block, bool  create, int *  error  )

virtual

Implements Filesystem.

create()

Inode * Minix::create ( Inode *  dir, const char *  filename, size_t  name_len, umode_t  mode, int *  error  )

virtual

Implements Filesystem.

link()

int Minix::link ( Inode *  dir, const char *  filename, size_t  name_len, Inode *  inode  )

virtual

Implements Filesystem.

symlink()

int Minix::symlink ( Inode *  dir, const char *  filename, size_t  name_len, const char *  symname  )

virtual

Implements Filesystem.

unlink()

int Minix::unlink ( Inode *  dir, const char *  filename, size_t  name_len, Inode *  inode  )

virtual

Implements Filesystem.

truncate()

void Minix::truncate ( Inode *  inode, off_t  length  )

virtual

Implements Filesystem.

lookup()

Inode * Minix::lookup ( Inode *  dir, const char *  filename, size_t  name_len, int *  error  )

virtual

Implements Filesystem.

iterate_dir()

int Minix::iterate_dir ( Inode *  dir, Dir_Context *  ctx  )

virtual

Implements Filesystem.

mkdir()

int Minix::mkdir ( Inode *  parent_dir, const char *  filename, size_t  name_len, umode_t  mode  )

virtual

Implements Filesystem.

rmdir()

int Minix::rmdir ( Inode *  parent_dir, const char *  filename, size_t  name_len, Inode *  dir  )

virtual

Implements Filesystem.

rename()

int Minix::rename ( Inode *  old_dir, Inode *  old_inode, const char *  old_name, size_t  old_name_len, Inode *  new_dir, Inode *  new_inode, const char *  new_name, size_t  new_name_len  )

virtual

Implements Filesystem.

write_inode()

int Minix::write_inode ( Inode *  inode )

virtual

Implements Filesystem.

allocate_inode()

Inode * Minix::allocate_inode ( )

virtual

Implements Filesystem.

iget()

Inode * Minix::iget ( unsigned long  ino, int *  error  )

private

new_block()

int Minix::new_block ( )

private

raw_inode()

Minix_Disk_Inode * Minix::raw_inode ( ino_t  ino, Block *  block, int *  error  )

private

new_inode()

Inode * Minix::new_inode ( umode_t  mode, int *  error  )

private

block_to_path()

int Minix::block_to_path ( unsigned long  block, int  offsets[DEPTH]  )

private

get_branch()

Indirect * Minix::get_branch ( Inode *  inode, int  depth, int *  offsets, Indirect  chain[DEPTH], int *  err  )

inlineprivate

alloc_branch()

int Minix::alloc_branch ( int  num, int *  offsets, Indirect *  branch  )

private

find_dirent()

Minix_Dirent * Minix::find_dirent ( Inode *  dir, const char *  filename, size_t  name_len, Block *  p_block, int *  error  )

private

add_link()

int Minix::add_link ( Inode *  dir, Inode *  inode, const char *  name, size_t  name_len  )

private

delete_entry()

int Minix::delete_entry ( Inode *  dir, const char *  filename, size_t  name_len  )

private

make_empty_dir()

int Minix::make_empty_dir ( Inode *  inode, Inode *  parent_dir  )

private

free_branches()

void Minix::free_branches ( Inode *  inode, block_t *  p, block_t *  q, int  depth  )

private

find_shared()

Indirect * Minix::find_shared ( Inode *  inode, int  depth, int  offsets[DEPTH], Indirect  chain[DEPTH], block_t *  top  )

private

free_data()

void Minix::free_data ( block_t *  p, const block_t *  q  )

private

free_block()

void Minix::free_block ( unsigned long  block )

private

clear_disk_inode()

void Minix::clear_disk_inode ( Inode *  inode )

private

free_inode()

void Minix::free_inode ( Inode *  inode )

private

check_dir_is_empty()

int Minix::check_dir_is_empty ( Inode *  dir )

private

dir_block_last_byte()

unsigned int Minix::dir_block_last_byte ( Inode *  dir, unsigned long  lblock  )

inlineprivate

Member Data Documentation

MinixInode

friend Minix::MinixInode

private

super

Minix_Super_Block* Minix::super

private

super_block

Block Minix::super_block

private

imap

Block* Minix::imap

private

zmap

Block* Minix::zmap

private

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

• fs/minix/minix.h
• fs/minix/bitmap.cc
• fs/minix/dir.cc
• fs/minix/itree.cc
• fs/minix/minix.cc