};
extern struct file *do_filp_open(int dfd, struct filename *pathname,
const struct open_flags *op);
-extern struct file *do_file_open_root(struct dentry *, struct vfsmount *,
+extern struct file *do_file_open_root(const struct path *,
const char *, const struct open_flags *);
extern struct open_how build_open_how(int flags, umode_t mode);
extern int build_open_flags(const struct open_how *how, struct open_flags *op);