Re: [PATCH v3] fs: add the tuncate check of exfat

[Christoph Hellwig]

On Thu, Mar 16, 2023 at 10:27:53PM +0800, MIngyi Cong wrote:
> EXFAT will fill zero data in truncated range.
> Fix this by adding EXFAT_SUPER_MAGIC check.

None of these is correct.  We need to find a way to communicate
this information without looking at magic numbers.