[dm-devel] dm table: add support for secure erase forwarding [was: Re: Adaptation secure erase forwarding for 4.1x kernels]

[Mike Snitzer]

On Fri, Mar 23 2018 at 10:47am -0400,
Denis Semakin <d.semakin at omprussia.ru> wrote:

> >I'd feel safer about having targets opt-in with setting (a new)
> >ti->num_secure_erase_bios.
> May be add a new field "bool secure_erase_supported:1" in dm_target structure instead?
> And set up it "true" in constructor for linear targets.

No, that type of change is for a DM target to support a feature even if
the underlying device doesn't.

As my previous email elaborated, ti->num_secure_erase_bios is the right
way forward.

Mike