reconstruct_state_prexor_drain_run
if (sh->reconstruct_state == reconstruct_state_prexor_drain_run) {
else if (sh->reconstruct_state == reconstruct_state_prexor_drain_run)
if (head_sh->reconstruct_state == reconstruct_state_prexor_drain_run) {
if (sh->reconstruct_state == reconstruct_state_prexor_drain_run) {
sh->reconstruct_state = reconstruct_state_prexor_drain_run;