int llu_md_setattr(struct inode *inode, struct md_op_data *op_data,
struct md_open_data **mod);
int llu_setattr_raw(struct inode *inode, struct iattr *attr);
int llu_md_setattr(struct inode *inode, struct md_op_data *op_data,
struct md_open_data **mod);
int llu_setattr_raw(struct inode *inode, struct iattr *attr);