On 03/07/2010 02:59 AM, OGAWA Hirofumi wrote:
quoted text
> This part is broken. If "size" is smaller than minimum blocksize (note,
> "size" is number of 512b, not number of blocksize), we can't read any
> block after all (it is handled as outside of i_size by bdev).
>
> Peter (or someone) know what do we want to in here? This is on extended
 > partition itself (e.g. if sda1 sda2<sda5 sda6>, it's the size of sda2)

We should presumably set it to one logical sector, regardless of size. 
Either that, or the offset of the lowest contained partition.

quoted text
> [BTW, it seems subtypes stuff is not thinking about sector size>  512b...]

Much else isn't, either.  With the exception of some MO disks, it was 
nearly unheard of for 20 years.

	-hpa
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