+struct open_flags {
+ int open_flag;
+ int mode;
+ int acc_mode;
+ int intent;
+};
+extern struct file *do_filp_open(int dfd, const char *pathname,
+ const struct open_flags *op, int lookup_flags);
+extern struct file *do_file_open_root(struct dentry *, struct vfsmount *,
+ const char *, const struct open_flags *, int lookup_flags);
+
+extern long do_handle_open(int mountdirfd,
+ struct file_handle __user *ufh, int open_flag);