Messages in this thread | | | Date | Tue, 26 Jul 2011 07:32:01 +0900 | Subject | Re: FAT : FAT16 support maximum 4GB file/vol size like WinXP or 7. | From | NamJae Jeon <> |
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Hi.
And after modifing 0xffffffff, I confirm that it is working well such as copying file of over 2GB size, etc..
Thanks
2011/7/26 NamJae Jeon <linkinjeon@gmail.com>: > Hi. > > 2011/7/26 OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>: >> 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? >> > Yes, I can select FAT16 with 64KB cluster size on Windows when > formatting usb storage of 4GB size. > > Thanks >> Thanks. >> -- >> OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> >> > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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