linux-kernel - Re: [PATCH] msdos: add support for large disks

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Date:	Mon, 08 Mar 2010 18:36:04 +0900
From:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Daniel Taylor <Daniel.Taylor@....com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] msdos: add support for large disks

"H. Peter Anvin" <hpa@...or.com> writes:

> On 03/07/2010 04:09 PM, OGAWA Hirofumi wrote:
>>
>> It means,
>>
>> 	min(size, max(logical_sector_size / 512, 2));
>>
>> or like this? ("size" is "nr_sects(part) * (logical_sector_size/512)")
>>
>> This should keep old logic, i.e. if partition is bigger than 1kb, it
>> uses 1kb for (probably) LILO mentioned by comment.
>>
>
> I don't really know where the 1K cames from, and it isn't necessarily 
> safe, either.

Um..., I see. However, it wouldn't also be the reason to remove this 1kb
logic. So, I'll just use the above code with some comments for now,
it'll be by separated incremental patch though.

Thanks.
-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
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