int yaffs_mark_bad(struct yaffs_dev *dev, int block_no);
int yaffs_query_init_block_state(struct yaffs_dev *dev,
int block_no,
enum yaffs_block_state *state,
int yaffs_mark_bad(struct yaffs_dev *dev, int block_no);
int yaffs_query_init_block_state(struct yaffs_dev *dev,
int block_no,
enum yaffs_block_state *state,