Re: [PATCH 2/7] stm class: Replace uuid_t with plain u8 uuid[16]

From: Andy Shevchenko
Date: Wed Apr 14 2021 - 15:12:23 EST


On Wed, Apr 14, 2021 at 08:56:50PM +0200, Greg Kroah-Hartman wrote:
> On Wed, Apr 14, 2021 at 08:47:48PM +0300, Andy Shevchenko wrote:
> > On Wed, Apr 14, 2021 at 07:33:38PM +0200, Greg Kroah-Hartman wrote:
> > > On Wed, Apr 14, 2021 at 08:12:46PM +0300, Alexander Shishkin wrote:

...

> > Nothing, just will require additional export_uuid() / import_uuid() call.
>
> Isn't that the "correct way" here?

I agree that it is better, yes.

> > > > - generate_random_uuid(pn->uuid.b);
> > >
> > > Ok, that's not good, but that looks to be a flaw in the
> > > generate_random_uuid() api, not this driver implementation.
> > >
> > > I don't understand why this change is needed?
> >
> > Using raw buffer APIs against uuid_t / guid_t.
>
> So you want to do that, or you do not want to do that? Totally
> confused,

It is matter of consistency, so two possibilities here:
- use types _and_ APIs for raw buffer (this patch)
- use types _and_ APIs for uuid_t (suggested in this discussion)

Currently it uses uuid_t type _and_ raw buffer APIs — inconsistency.

--
With Best Regards,
Andy Shevchenko