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SubjectRe: Two questions related with FAT filesystem and block device layer.
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Zhonglin Zhang <zhonglinzh@mobilesoft.com.cn> writes:

> Q1.
> When I use "mkdosfs /dev/tffsa1", WIN2000 And WINXP can
> read/write the /dev/tffsa1.
> When I use "mkdosfs -S 4096 /dev/tffsa1", WIN2000
> can read/write the /dev/tffsa1, But Winxp can't.
>
> Why? W can I make the winxp can read/write the /dev/sda1.

I don't know.

> Q2.
> When using "mkdosfs /dev/tffsa1", Our VideoRecord isn't fluent.
>
> When using "mkdosfs -S 4096 /dev/tffsa1", Our VideoRecord is fluent.
> I wonder how the sector size affect the Video Record.

I guess the cluster size was increased by "-S 4096", so the number of
times of block allocation became fewer.

> Our ultimate goal is 'Video Record is fluent and Win2000/Winxp can
> read/write the /dev/tffsa1 as a u-disk.

How about testing the "mkdosfs -s 64 /dev/foo"?
--
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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