Move all fields from xlog_iclog_fields_t into xlog_in_core_t instead of having them in a substructure and the using #defines to make it look like they were directly in xlog_in_core_t. Also document t
Move all fields from xlog_iclog_fields_t into xlog_in_core_t instead of having them in a substructure and the using #defines to make it look like they were directly in xlog_in_core_t. Also document t