Re: [PATCH] msdos: add support for large disks

[H. Peter Anvin]

On 03/04/2010 01:18 AM, OGAWA Hirofumi wrote:
> "Daniel Taylor"<Daniel.Taylor@xxxxxxx>  writes:
>
> > It is only the intermediate variables in the module that are
> > currently hard-coded to 32-bits, and which truncate the values.
>
> BTW, it may not be only 32-bits truncate issue. IIRC, e.g. some
> implement is checking the 0xaa mark at the end of sector. I forgot
> almost though, IIRC, Windows writes 0xaa mark to the both of "end of
> sector" and "end of 512" for compatibility.
>
> Thanks.

The spec is that the mark, partition table etc. at the end of 512 bytes; 
of course, a lot of people go that wrong.

	-hpa
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/