Pavel Emelyanov 8d0780fb92 lsa: Use express encoder ...

To make it possible to use the express encoder, lsa needs to
make sure that the value is below express supreme value and
provide the size of the gap after the encoded value.

Both requirements can be satisfied when encoding the migrator
index on object allocation.

On free the encoded value can be larger, so the extended
express encoder will need more instructions and will not be
that efficient, so the old encoder is used there.

Signed-off-by: Pavel Emelyanov <xemul@scylladb.com>

2021-06-16 17:47:12 +03:00

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