Re: [PATCH v1] ACPI: Switch to use generic UUID API

[Christoph Hellwig]

On Fri, May 05, 2017 at 12:50:31PM +0300, Amir Goldstein wrote:
> 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()

The is_null is useful and I bet we'll find other instances.  I'm
not sure _equals really adds much value over the existing _cmp
helpers, but on the other hand they are so trivial that we might as
well add them.

The other thing XFS has is uuid_copy.