dadk_pktprep
pktp = dadk_pktprep(dadkp, NULL, bp, dadk_iodone, func, arg);
pktp = dadk_pktprep(dadkp, NULL, bp, dadk_rmb_iodone, NULL, NULL);
pktp = dadk_pktprep(dadkp, NULL, bp, dadk_iodone, NULL, NULL);
static struct cmpkt *dadk_pktprep(struct dadk *dadkp, struct cmpkt *in_pktp,
pktp = dadk_pktprep(dadkp, NULL, bp, dadk_polldone, NULL, NULL);
pktp = dadk_pktprep(dadkp, NULL, bp,