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Message-ID: <87k4b6kt9e.fsf@devron.myhome.or.jp>
Date: Tue, 26 Jul 2011 05:19:41 +0900
From: OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To: NamJae Jeon <linkinjeon@...il.com>
Cc: linux-kernel@...r.kernel.org
Subject: Re: FAT : FAT16 support maximum 4GB file/vol size like WinXP or 7.
NamJae Jeon <linkinjeon@...il.com> writes:
> Hello Hirofumi
>
> Win NT/XP/7 increased the maximum cluster size to 64KB, and file/vol
> size increased 4GB also.
>
> Although increasing , the file size of linux FAT is still limited at 2GB.
>
> I found that it is limited by sb->s_maxbytes(0x7fffffff) when
> partition is formatted by FAT16.
Yes. Now, only FAT32 allows it.
> I think that sb->s_maxbytes in fill_super should be set to 0xffffffff
> like Fat32.
>
> I want to know your opinion.
In my knowledge, Windows was limiting it as 2GB intentionally for
compatibility reason.
If Windows changed mind, I think it's good that we allow it too for 64KB
cluster. BTW, you can select FAT16 with 64KB on Windows?
Thanks.
--
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
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