cmd_wr
void *cmd_wr = req->vsr_cmd_wr;
iolen += buf_to_iov(cmd_wr, VTSCSI_OUT_HEADER_LEN(q->vsq_sc),
memset(cmd_wr, 0, VTSCSI_OUT_HEADER_LEN(q->vsq_sc));
req->vsr_cmd_wr = cmd_wr;
{ "kmdb_wr", NULL, "print a work queue entry", cmd_wr },