vfs_path_parent_lookup
EXPORT_SYMBOL(vfs_path_parent_lookup);
err = vfs_path_parent_lookup(filename, flags | LOOKUP_BENEATH,
err = vfs_path_parent_lookup(to, lookup_flags | LOOKUP_BENEATH,
err = vfs_path_parent_lookup(filename, flags, path, &last,
int vfs_path_parent_lookup(struct filename *filename, unsigned int flags,