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Diffstat (limited to 'kernel/include/linux/namei.h')
-rw-r--r--kernel/include/linux/namei.h41
1 files changed, 27 insertions, 14 deletions
diff --git a/kernel/include/linux/namei.h b/kernel/include/linux/namei.h
index c8990779f..d8c6334cd 100644
--- a/kernel/include/linux/namei.h
+++ b/kernel/include/linux/namei.h
@@ -1,16 +1,15 @@
#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;
-struct nameidata;
+#include <linux/fcntl.h>
+#include <linux/errno.h>
enum { MAX_NESTED_LINKS = 8 };
+#define MAXSYMLINKS 40
+
/*
* Type of the last component on LOOKUP_PARENT
*/
@@ -45,13 +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 *);
@@ -70,9 +85,7 @@ extern int follow_up(struct path *);
extern struct dentry *lock_rename(struct dentry *, struct dentry *);
extern void unlock_rename(struct dentry *, struct dentry *);
-extern void nd_jump_link(struct nameidata *nd, struct path *path);
-extern void nd_set_link(struct nameidata *nd, char *path);
-extern char *nd_get_link(struct nameidata *nd);
+extern void nd_jump_link(struct path *path);
static inline void nd_terminate_link(void *name, size_t len, size_t maxlen)
{