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Subject[PATCH 21/21] turn user_{path_at,path,lpath,path_dir}() into static inlines
Date
From: Al Viro <viro@zeniv.linux.org.uk>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/namei.c | 8 +-------
include/linux/namei.h | 34 ++++++++++++++++++++++++----------
2 files changed, 25 insertions(+), 17 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index dead60d..8ca1fbd 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2297,13 +2297,7 @@ 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
diff --git a/include/linux/namei.h b/include/linux/namei.h
index 1208e48..d8c6334 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -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 *);

--
2.1.4


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