From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
To: NamJae Jeon <linkinjeon@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: FAT : FAT16 support maximum 4GB file/vol size like WinXP or 7.
Date: Tue, 26 Jul 2011 05:19:41 +0900 [thread overview]
Message-ID: <87k4b6kt9e.fsf@devron.myhome.or.jp> (raw)
In-Reply-To: <CAKYAXd-Tg7hXy3zHRtXotDq3wYV8f=v3Py65xn5ccg6KU2gXbw@mail.gmail.com> (NamJae Jeon's message of "Sun, 24 Jul 2011 22:08:45 +0900")
NamJae Jeon <linkinjeon@gmail.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@mail.parknet.co.jp>
next prev parent reply other threads:[~2011-07-25 20:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-24 13:08 NamJae Jeon
2011-07-25 20:19 ` OGAWA Hirofumi [this message]
[not found] ` <CAKYAXd-KftOw-YMoA82-75Yp6FNYAXmna+5Fxe0JCMmUB3+-bg@mail.gmail.com>
2011-07-25 22:32 ` NamJae Jeon
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