Re: What's the usage of md-autodetect.c

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On Wed, Mar 8, 2023 at 4:16 PM Wols Lists <antlists@xxxxxxxxxxxxxxx> wrote:
>
> On 08/03/2023 02:40, Xiao Ni wrote:
> >> (IIRC) get built if CONFIG_MD is set to M.  Changing the default for
> >> CONFIG_MD should not have any impact on this so long as the ability to
> >> set CONFIG_MD=y does not get disabled (which would also be a regression).
> > I'm a little confused here. If I understand right, for the os that
>
> > doesn't use initrd
> > and we still have the ability to set CONFIG_MD=y, so we can set it to
> > y and rebuild
> > the kernel. So the raid1 can be assembled by md auto-detect, right?
> >
> Bear in mind that - iirc - in order for the kernel to auto-assemble a raid-1
>
> (a) it has to be superblock 0.9
> (b) superblock 0.9 is deprecated
>
> So the functionality is still used, still "supported", but we make no
> promises ...
>
> If it breaks, I'm sure people will scream and fix it, but from our point
> of view it's "if it ain't broke don't touch it".
>
> Cheers,
> Wol
>

Hi Wol

Thanks for the information.

Regards
Xiao





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