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

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On Fri, May 5, 2017 at 12:57 PM, Christoph Hellwig <hch@xxxxxx> wrote:
> 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.

Exactly. The fact that not only xfs used the same helper name
(drivers/md/md.c) suggests that it useful.

>
> The other thing XFS has is uuid_copy.

Andy already listed uuid_copy.
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