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SubjectRe: erofs: Question on unused fields in on-disk structs
Gao Xiang,

On Mon, Aug 19, 2019 at 10:45 PM Gao Xiang via Linux-erofs
<> wrote:
> > struct erofs_super_block has "checksum" and "features" fields,
> > but they are not used in the source.
> > What is the plan for these?
> Yes, both will be used laterly (features is used for compatible
> features, we already have some incompatible features in 5.3).

Good. :-)
I suggest to check the fields being 0 right now.
Otherwise you are in danger that they get burned if an mkfs.erofs does not
initialize the fields.


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