err = msgp.WrapError(err, "Flags")
			return
		}
		z.Flags = zb0003
	}
	if hdrVer > 2 {
		// Version 3 has EcM and EcN
		{
			var zb0004 uint8
			zb0004, bts, err = msgp.ReadUint8Bytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "EcN")
				return
			}
			z.EcN = zb0004
		}
		{
			var zb0005 uint8
			zb0005, bts, err = msgp.ReadUint8Bytes(bts)
			if err != nil {

		flags |= xlFlagInlineData
	}
	var ecM, ecN uint8
	if j.Type == ObjectType && j.ObjectV2 != nil {
		ecM, ecN = uint8(j.ObjectV2.ErasureM), uint8(j.ObjectV2.ErasureN)
	}
	return xlMetaV2VersionHeader{
		VersionID: j.getVersionID(),
		ModTime:   j.getModTime().UnixNano(),
		Signature: j.getSignature(),
		Type:      j.Type,
		Flags:     flags,
		EcN:       ecN,
		EcM:       ecM,
	}
}

		var zb0003 uint8
		zb0003, err = dc.ReadUint8()
		if err != nil {
			err = msgp.WrapError(err, "Flags")
			return
		}
		z.Flags = xlFlags(zb0003)
	}
	z.EcN, err = dc.ReadUint8()
	if err != nil {
		err = msgp.WrapError(err, "EcN")
		return
	}
	z.EcM, err = dc.ReadUint8()
	if err != nil {
		err = msgp.WrapError(err, "EcM")
		return
	}
	return
}

			if eVer.header.hasEC() != oVer.header.hasEC() {
				// One version has EC and the other doesn't - may have been written later.
				// Compare without considering EC.
				a, b := eVer.header, oVer.header
				a.EcN, a.EcM = 0, 0
				b.EcN, b.EcM = 0, 0
				if a == b {
					continue
				}
			}
			if !strict && eVer.header.matchesNotStrict(oVer.header) {
				if prefer == nil {
					if eVer.header.sortsBefore(oVer.header) {

			// For tiered objects, read quorum is N/2+1 to ensure simple majority on xl.meta.
			// It is not equal to EcM because the data integrity is entrusted with the warm tier.
			// However, we never go below EcM, in case of a EcM=EcN setup.
			parities[index] = max(totalShards-(totalShards/2+1), metadata.Erasure.ParityBlocks)
		} else {
			parities[index] = metadata.Erasure.ParityBlocks
		}
	}
	return
}