Re: [PATCH] fat: ignore .. subdir and always add a link to dirs

[OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>]

Thadeu Lima de Souza Cascardo <cascardo@igalia.com> writes:

> The tools used for creating images for the Lego Mindstrom EV3 are not
> adding '.' and '..' entry in the 'Projects' directory.
>
> Without this fix, the kernel can not fill the inode structure for
> 'Projects' directory.
>
> See https://github.com/microsoft/pxt-ev3/issues/980
> And https://github.com/microsoft/uf2-linux/issues/6
>
> When counting the number of subdirs, ignore .. subdir and add one when
> setting the initial link count for directories. This way, when .. is
> present, it is still accounted for, and when neither . or .. are present, a
> single link is still done, as it should, since this link would be the one
> from the parent directory.
>
> With this fix applied, we can mount an image with such empty directories,
> access them, create subdirectories and remove them.

This looks like the bug of those tools, isn't it?

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