rf_MakeReconBuffer
new_rbuf = rf_MakeReconBuffer(raidPtr, diskno, RF_RBUF_TYPE_FORCED); /* create new buf */
reconCtrlPtr->perDiskInfo[i].rbuf = (i == fcol) ? NULL : rf_MakeReconBuffer(raidPtr, i, RF_RBUF_TYPE_EXCLUSIVE);
rbuf = rf_MakeReconBuffer(raidPtr, fcol,
rf_MakeReconBuffer(RF_Raid_t * raidPtr, RF_RowCol_t col, RF_RbufType_t type);