fs: introduce vfs_path_lookup

[linux-2.6-omap-h63xx.git] / include / linux / namei.h

diff --git a/include/linux/namei.h b/include/linux/namei.h
index 45511a5918d3edf6be65188c3b1c64ab650da1e8..2e21af0989d9dc603484fd75d622787696fe2342 100644 (file)
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -1,6 +1,7 @@
 #ifndef _LINUX_NAMEI_H
 #define _LINUX_NAMEI_H
 
+#include <linux/dcache.h>
 #include <linux/linkage.h>
 
 struct vfsmount;
@@ -28,6 +29,11 @@ struct nameidata {
        } intent;
 };
 
+struct path {
+       struct vfsmount *mnt;
+       struct dentry *dentry;
+};
+
 /*
  * Type of the last component on LOOKUP_PARENT
  */
@@ -54,6 +60,7 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND};
 #define LOOKUP_OPEN            (0x0100)
 #define LOOKUP_CREATE          (0x0200)
 #define LOOKUP_ACCESS          (0x0400)
+#define LOOKUP_CHDIR           (0x0800)
 
 extern int FASTCALL(__user_walk(const char __user *, unsigned, struct nameidata *));
 extern int FASTCALL(__user_walk_fd(int dfd, const char __user *, unsigned, struct nameidata *));
@@ -62,6 +69,8 @@ extern int FASTCALL(__user_walk_fd(int dfd, const char __user *, unsigned, struc
 #define user_path_walk_link(name,nd) \
        __user_walk_fd(AT_FDCWD, name, 0, nd)
 extern int FASTCALL(path_lookup(const char *, unsigned, struct nameidata *));
+extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
+                          const char *, unsigned int, 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 *);
@@ -75,6 +84,7 @@ extern struct file *nameidata_to_filp(struct nameidata *nd, int flags);
 extern void release_open_intent(struct nameidata *);
 
 extern struct dentry * lookup_one_len(const char *, struct dentry *, int);
+extern struct dentry *lookup_one_len_kern(const char *, struct dentry *, int);
 
 extern int follow_down(struct vfsmount **, struct dentry **);
 extern int follow_up(struct vfsmount **, struct dentry **);