[RFC][PATCH] device mapper: Add builtin function dm_get_status()

[Roberto Sassu]

> From: Christoph Hellwig [mailto:hch at infradead.org]
> Sent: Thursday, December 2, 2021 8:21 AM
> On Wed, Dec 01, 2021 at 05:37:08PM +0100, Roberto Sassu wrote:
> > Users of the device mapper driver might want to obtain a device status,
> > with status types defined in the status_type_t enumerator.
> 
> The patch looks really odd.  And without the corresponding user of your
> new functionality it is entirely unreviewable anyway.

Hi Christoph

ok, I will send it together with a patch for a not yet accepted
software, Integrity Policy Enforcement (IPE), that will be
the primary user of the introduced functionality.

Regarding the patch itself, could you please provide a more
detailed explanation?

Thanks

Roberto

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