'Update extra specs.
:param extraspecs: the additional info
:returns: extraspecs'

@staticmethod
def update_extra_specs(extraspecs):

    try:
        pool_details = extraspecs['pool_name'].split('+')
        extraspecs[SLO] = pool_details[0]
        extraspecs[WORKLOAD] = pool_details[1]
        extraspecs[SRP] = pool_details[2]
        extraspecs[ARRAY] = pool_details[3]
    except KeyError:
        LOG.error('Error    parsing    SLO,    workload    from    the    provided    extra_specs.')
    return extraspecs
