dao_ctrl_blk
((struct dao_ctrl_blk *)blk)->spos = spos;
((struct dao_ctrl_blk *)blk)->dirty.bf.spos = 1;
struct dao_ctrl_blk *ctl = blk;
*spos = ((struct dao_ctrl_blk *)blk)->spos;
struct dao_ctrl_blk *blk;
((struct dao_ctrl_blk *)blk)->atxcsl = spos;
((struct dao_ctrl_blk *)blk)->dirty.bf.atxcsl = 1;
struct dao_ctrl_blk *ctl = blk;
*spos = ((struct dao_ctrl_blk *)blk)->atxcsl;
struct dao_ctrl_blk *blk;