ARC_SPACE_HDRS
arc_space_consume(HDR_FULL_SIZE, ARC_SPACE_HDRS);
arc_space_consume(sizeof (hdr->b_crypt_hdr), ARC_SPACE_HDRS);
arc_space_consume(sizeof (arc_buf_t), ARC_SPACE_HDRS);
arc_space_return(HDR_FULL_SIZE, ARC_SPACE_HDRS);
arc_space_return(sizeof (hdr->b_crypt_hdr), ARC_SPACE_HDRS);
arc_space_return(sizeof (arc_buf_t), ARC_SPACE_HDRS);
case ARC_SPACE_HDRS:
case ARC_SPACE_HDRS: