namei.h File Reference

#include <linux/dcache.h>
#include <linux/linkage.h>
#include <linux/path.h>

Go to the source code of this file.

Data Structures
struct	nameidata

Macros
#define	LOOKUP_FOLLOW   0x0001
#define	LOOKUP_DIRECTORY   0x0002
#define	LOOKUP_AUTOMOUNT   0x0004
#define	LOOKUP_PARENT   0x0010
#define	LOOKUP_REVAL   0x0020
#define	LOOKUP_RCU   0x0040
#define	LOOKUP_OPEN   0x0100
#define	LOOKUP_CREATE   0x0200
#define	LOOKUP_EXCL   0x0400
#define	LOOKUP_RENAME_TARGET   0x0800
#define	LOOKUP_JUMPED   0x1000
#define	LOOKUP_ROOT   0x2000
#define	LOOKUP_EMPTY   0x4000
#define	user_path(name, path)   user_path_at(AT_FDCWD, name, LOOKUP_FOLLOW, path)
#define	user_lpath(name, path)   user_path_at(AT_FDCWD, name, 0, path)
#define	user_path_dir(name, path)   user_path_at(AT_FDCWD, name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, path)

Enumerations
enum	{ MAX_NESTED_LINKS = 8 }
enum	{   LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT,   LAST_BIND }

Functions
int	user_path_at (int, const char __user *, unsigned, struct path *)
int	user_path_at_empty (int, const char __user *, unsigned, struct path *, int *empty)
int	kern_path (const char *, unsigned, struct path *)
struct dentry *	kern_path_create (int, const char *, struct path *, int)
struct dentry *	user_path_create (int, const char __user *, struct path *, int)
void	done_path_create (struct path *, struct dentry *)
struct dentry *	kern_path_locked (const char *, struct path *)
int	vfs_path_lookup (struct dentry *, struct vfsmount *, const char *, unsigned int, struct path *)
struct dentry *	lookup_one_len (const char *, struct dentry *, int)
int	follow_down_one (struct path *)
int	follow_down (struct path *)
int	follow_up (struct path *)
struct dentry *	lock_rename (struct dentry *, struct dentry *)
void	unlock_rename (struct dentry *, struct dentry *)
void	nd_jump_link (struct nameidata *nd, struct path *path)

Macro Definition Documentation

#define LOOKUP_AUTOMOUNT   0x0004

Definition at line 40 of file namei.h.

#define LOOKUP_CREATE   0x0200

Definition at line 50 of file namei.h.

#define LOOKUP_DIRECTORY   0x0002

Definition at line 39 of file namei.h.

#define LOOKUP_EMPTY   0x4000

Definition at line 56 of file namei.h.

#define LOOKUP_EXCL   0x0400

Definition at line 51 of file namei.h.

#define LOOKUP_FOLLOW   0x0001

Definition at line 38 of file namei.h.

#define LOOKUP_JUMPED   0x1000

Definition at line 54 of file namei.h.

#define LOOKUP_OPEN   0x0100

Definition at line 49 of file namei.h.

#define LOOKUP_PARENT   0x0010

Definition at line 42 of file namei.h.

#define LOOKUP_RCU   0x0040

Definition at line 44 of file namei.h.

#define LOOKUP_RENAME_TARGET   0x0800

Definition at line 52 of file namei.h.

#define LOOKUP_REVAL   0x0020

Definition at line 43 of file namei.h.

#define LOOKUP_ROOT   0x2000

Definition at line 55 of file namei.h.

#define user_lpath	(		name,
			path
	)		user_path_at(AT_FDCWD, name, 0, path)

Definition at line 62 of file namei.h.

#define user_path	(		name,
			path
	)		user_path_at(AT_FDCWD, name, LOOKUP_FOLLOW, path)

Definition at line 61 of file namei.h.

#define user_path_dir	(		name,
			path
	)		user_path_at(AT_FDCWD, name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, path)

Definition at line 63 of file namei.h.

Enumeration Type Documentation

anonymous enum

Enumerator:

MAX_NESTED_LINKS

Definition at line 10 of file namei.h.

anonymous enum

Enumerator:

LAST_NORM
LAST_ROOT
LAST_DOT
LAST_DOTDOT
LAST_BIND

Definition at line 27 of file namei.h.

Function Documentation

void done_path_create	(	struct path *	,
		struct dentry *
	)

Definition at line 3107 of file namei.c.

int follow_down

(

struct path *

)

Definition at line 1178 of file namei.c.

int follow_down_one

(

struct path *

)

Definition at line 1066 of file namei.c.

int follow_up

(

struct path *

)

Definition at line 898 of file namei.c.

int kern_path	(	const char *	,
		unsigned	,
		struct path *
	)

struct dentry* kern_path_create ( int  , const char *  , struct path *  , int    )

read

Definition at line 3047 of file namei.c.

struct dentry* kern_path_locked ( const char *  , struct path *    )

read

Definition at line 2044 of file namei.c.

struct dentry* lock_rename ( struct dentry *  , struct dentry *    )

read

Definition at line 2297 of file namei.c.

struct dentry* lookup_one_len ( const char *  , struct dentry *  , int    )

read

Definition at line 2120 of file namei.c.

void nd_jump_link	(	struct nameidata *	nd,
		struct path *	path
	)

Definition at line 689 of file namei.c.

void unlock_rename	(	struct dentry *	,
		struct dentry *
	)

Definition at line 2327 of file namei.c.

int user_path_at	(	int	,
		const char __user *	,
		unsigned	,
		struct path *
	)

Definition at line 2179 of file namei.c.

int user_path_at_empty	(	int	,
		const char __user *	,
		unsigned	,
		struct path *	,
		int *	empty
	)

Definition at line 2161 of file namei.c.

struct dentry* user_path_create ( int  , const char __user *  , struct path *  , int    )

read

Definition at line 3116 of file namei.c.

int vfs_path_lookup	(	struct dentry *	,
		struct vfsmount *	,
		const char *	,
		unsigned	int,
		struct path *
	)

Definition at line 2083 of file namei.c.