[Intel-gfx] [PATCH v1] ACPI: Switch to use generic UUID API

[Amir Goldstein]

On Fri, May 5, 2017 at 12:24 PM, Andy Shevchenko
<andriy.shevchenko at linux.intel.com> wrote:
> On Fri, 2017-05-05 at 10:06 +0300, Amir Goldstein wrote:
[...]
>> I think with this semantic change, our proposals can reach common
>> grounds
>> and satisfy a wider group of users (i.e. filesystem developers).
>>
>> Christoph also suggested a similar treatment to typedef guid_t to
>> struct uuid_le.
>> I don't know the use cases enough to comment on that.
>
> We may go this way. But I wouldn't prevent current users of uuid_le to
> continue using it without conversion (it may be done case by case after
> we settle an API)
>
> So, summarize what Christoph said it will look like
>
> typedef uuid_be uuid_t;
> typedef uuid_le guid_t
>
> uuid_cmp() / uuid_copy() / uuid_to_bin() / etc
> guid_cmp() / guid_copy() / guid_to_bin() / etc
>
> Correct? Christoph?
>

That looks right to me.

To complete the picture for folks not cc'ed on my patches,
xfs use case suggests there is also justification for the additional helpers:

uuid_is_null() / uuid_equal()
guid_is_null() / guid_equal()

Cheers,
Amir.