[PATCH] erofs: allow 16-byte volume name again

[Chao Yu]

On 2025/2/25 11:39, Gao Xiang wrote:
> Actually, volume name doesn't need to include the NIL terminator if
> the string length matches the on-disk field size as mentioned in [1].
> 
> I tend to relax it together with the upcoming 48-bit block addressing
> (or stable kernels which backport this fix) so that we could have a
> chance to record a 16-byte volume name like ext4.
> 
> Since in-memory `volume_name` has no user, just get rid of the unneeded
> check for now.  `sbi->uuid` is useless and avoid it too.
> 
> Fixes: a64d9493f587 ("staging: erofs: refuse to mount images with malformed volume name")
> [1] https://lore.kernel.org/r/96efe46b-dcce-4490-bba1-a0b00932d1cc@linux.alibaba.com
> Signed-off-by: Gao Xiang <hsiangkao at linux.alibaba.com>

Reviewed-by: Chao Yu <chao at kernel.org>

Thanks,