Re: [Yaffs] Bad Block definition

>  Hi,
> I see some bad block definition issue in YAFFS2.
> In the YAFFS2 read function, when a page occur bit flip more 3 times, the
> block contain this page will be marked as bad block. as below read function:
> int yaffs_rd_chunk_tags_nand(struct yaffs_dev *dev, int nand_chunk,
>                              u8 *buffer, struct yaffs_ext_tags *tags)
> {
>                 int result;
>                 struct yaffs_ext_tags local_tags;
>                 int flash_chunk = apply_chunk_offset(dev, nand_chunk);

>                 dev->n_page_reads++;

>                 /* If there are no tags provided use local tags. */
>                 if (!tags)
>                         tags = &local_tags;

>                 result = dev->tagger.read_chunk_tags_fn(dev, flash_chunk,
> buffer, tags);
>                 if (tags && tags->ecc_result > YAFFS_ECC_RESULT_NO_ERROR) {

>                         struct yaffs_block_info *bi;
>                         bi = yaffs_get_block_info(dev,
>                                           nand_chunk /
>                                           dev->param.chunks_per_block);
>                         yaffs_handle_chunk_error(dev, bi);
>                 }
>                 return result;
> }