make nameidata completely opaque outside of fs/namei.c
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/namei.c b/fs/namei.c
index db5fe86..398a73b 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -487,6 +487,18 @@
}
EXPORT_SYMBOL(path_put);
+struct nameidata {
+ struct path path;
+ struct qstr last;
+ struct path root;
+ struct inode *inode; /* path.dentry.d_inode */
+ unsigned int flags;
+ unsigned seq, m_seq;
+ int last_type;
+ unsigned depth;
+ char *saved_names[MAX_NESTED_LINKS + 1];
+};
+
/*
* Path walking has 2 modes, rcu-walk and ref-walk (see
* Documentation/filesystems/path-lookup.txt). In situations when we can't
@@ -695,6 +707,18 @@
nd->flags |= LOOKUP_JUMPED;
}
+void nd_set_link(struct nameidata *nd, char *path)
+{
+ nd->saved_names[nd->depth] = path;
+}
+EXPORT_SYMBOL(nd_set_link);
+
+char *nd_get_link(struct nameidata *nd)
+{
+ return nd->saved_names[nd->depth];
+}
+EXPORT_SYMBOL(nd_get_link);
+
static inline void put_link(struct nameidata *nd, struct path *link, void *cookie)
{
struct inode *inode = link->dentry->d_inode;
diff --git a/include/linux/namei.h b/include/linux/namei.h
index 492de72..c899077 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -7,21 +7,10 @@
#include <linux/path.h>
struct vfsmount;
+struct nameidata;
enum { MAX_NESTED_LINKS = 8 };
-struct nameidata {
- struct path path;
- struct qstr last;
- struct path root;
- struct inode *inode; /* path.dentry.d_inode */
- unsigned int flags;
- unsigned seq, m_seq;
- int last_type;
- unsigned depth;
- char *saved_names[MAX_NESTED_LINKS + 1];
-};
-
/*
* Type of the last component on LOOKUP_PARENT
*/
@@ -82,16 +71,8 @@
extern void unlock_rename(struct dentry *, struct dentry *);
extern void nd_jump_link(struct nameidata *nd, struct path *path);
-
-static inline void nd_set_link(struct nameidata *nd, char *path)
-{
- nd->saved_names[nd->depth] = path;
-}
-
-static inline char *nd_get_link(struct nameidata *nd)
-{
- return nd->saved_names[nd->depth];
-}
+extern void nd_set_link(struct nameidata *nd, char *path);
+extern char *nd_get_link(struct nameidata *nd);
static inline void nd_terminate_link(void *name, size_t len, size_t maxlen)
{