X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fnamei.h;h=1bbfa296e11f18645c1a861b236ddc5406654724;hb=9bf4aaab3e101692164d49b7ca357651eb691cb6;hp=4117cd90a34589741b0548ae76f05669396c72c7;hpb=db216c3d5e4c040e557a50f8f5d35d5c415e8c1c;p=linux-2.6.git

diff --git a/include/linux/namei.h b/include/linux/namei.h
index 4117cd90a..1bbfa296e 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -10,12 +10,16 @@ struct open_intent {
 	int	create_mode;
 };
 
+enum { MAX_NESTED_LINKS = 5 };
+
 struct nameidata {
 	struct dentry	*dentry;
 	struct vfsmount *mnt;
 	struct qstr	last;
 	unsigned int	flags;
 	int		last_type;
+	unsigned	depth;
+	char *saved_names[MAX_NESTED_LINKS + 1];
 
 	/* Intent data */
 	union {
@@ -57,6 +61,7 @@ extern int FASTCALL(path_lookup(const char *, unsigned, struct nameidata *));
 extern int FASTCALL(path_walk(const char *, struct nameidata *));
 extern int FASTCALL(link_path_walk(const char *, struct nameidata *));
 extern void path_release(struct nameidata *);
+extern void path_release_on_umount(struct nameidata *);
 
 extern struct dentry * lookup_one_len(const char *, struct dentry *, int);
 extern struct dentry * lookup_hash(struct qstr *, struct dentry *);
@@ -67,4 +72,14 @@ extern int follow_up(struct vfsmount **, struct dentry **);
 extern struct dentry *lock_rename(struct dentry *, struct dentry *);
 extern void unlock_rename(struct dentry *, struct dentry *);
 
+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];
+}
+
 #endif /* _LINUX_NAMEI_H */