IBCM_REWRITE_BUSY
while (sbp->sbind_rewrite_state == IBCM_REWRITE_BUSY)
while (found->ar_rewrite_state == IBCM_REWRITE_BUSY)
tmp->ar_rewrite_state = IBCM_REWRITE_BUSY;
if (tmp->ar_rewrite_state == IBCM_REWRITE_BUSY)
sbp->sbind_rewrite_state = IBCM_REWRITE_BUSY;
IBCM_REWRITE_BUSY)