ADW_MAX_SG_LIST
(ADW_MAX_SG_LIST - 1) * PAGE_SIZE, ADW_MAX_SG_LIST,
(ADW_MAX_SG_LIST - 1) * PAGE_SIZE, 0,
if (bp->b_bcount > ((ADW_MAX_SG_LIST - 1) * PAGE_SIZE))
bp->b_bcount = ((ADW_MAX_SG_LIST - 1) * PAGE_SIZE);
((ADW_MAX_SG_LIST + (NO_OF_SG_PER_BLOCK - 1))/NO_OF_SG_PER_BLOCK)