Re: [PATCH mdadm] super-intel: don't mark structs 'packed' unnecessarily

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On 10/31/19 12:15 AM, NeilBrown wrote:

super-intel marks a number of structures 'packed', but this
doesn't change the layout - they are already well organized.

This is a problem a gcc warns when code takes the address
of a field in a packet struct - as super-intel sometimes does.

So remove the marking where isn't needed.
Do ensure this does introduce a regression, add a compile-time
assertion that the size of the structure is exactly the value
it had before the 'packed' notation was removed.

Note that a couple of structure do need to be packed.
As the address of fields is never taken, that is safe.

Signed-off-by: NeilBrown <neilb@xxxxxxx>

Applied!

Thanks,
Jes





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