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linux-sg2042
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turn user_{path_at,path,lpath,path_dir}() into static inlines 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-05-13 09:12:02 -04:00
parent 9883d1855e
commit b853a16176
2 changed files with 25 additions and 17 deletions
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8
fs/namei.c
View File

@ -2299,13 +2299,7 @@ int user_path_at_empty(int dfd, const char __user *name, unsigned flags,
return filename_lookup(dfd, getname_flags(name, flags, empty),
flags, path, NULL);
}
int user_path_at(int dfd, const char __user *name, unsigned flags,
struct path *path)
{
return user_path_at_empty(dfd, name, flags, path, NULL);
}
EXPORT_SYMBOL(user_path_at);
EXPORT_SYMBOL(user_path_at_empty);
/*
* NB: most callers don't do anything directly with the reference to the

34
include/linux/namei.h
View File

@ -1,12 +1,10 @@
#ifndef _LINUX_NAMEI_H
#define _LINUX_NAMEI_H
#include <linux/dcache.h>
#include <linux/errno.h>
#include <linux/linkage.h>
#include <linux/kernel.h>
#include <linux/path.h>
struct vfsmount;
#include <linux/fcntl.h>
#include <linux/errno.h>
enum { MAX_NESTED_LINKS = 8 };
@ -46,13 +44,29 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND};
#define LOOKUP_ROOT 0x2000
#define LOOKUP_EMPTY 0x4000
extern int user_path_at(int, const char __user *, unsigned, struct path *);
extern int user_path_at_empty(int, const char __user *, unsigned, struct path *, int *empty);
#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)
static inline int user_path_at(int dfd, const char __user *name, unsigned flags,
struct path *path)
{
return user_path_at_empty(dfd, name, flags, path, NULL);
}
static inline int user_path(const char __user *name, struct path *path)
{
return user_path_at_empty(AT_FDCWD, name, LOOKUP_FOLLOW, path, NULL);
}
static inline int user_lpath(const char __user *name, struct path *path)
{
return user_path_at_empty(AT_FDCWD, name, 0, path, NULL);
}
static inline int user_path_dir(const char __user *name, struct path *path)
{
return user_path_at_empty(AT_FDCWD, name,
LOOKUP_FOLLOW | LOOKUP_DIRECTORY, path, NULL);
}
extern int kern_path(const char *, unsigned, struct path *);