prefree_segments
prefree_segments(sbi) == 0) {
si->prefree_count = prefree_segments(sbi);
prefree_segments(sbi), free_segments(sbi));
prefree_segments(sbi));
if (prefree_segments(sbi)) {
prefree_segments(sbi)) {
prefree_segments(sbi));
prefree_segments(sbi), free_segments(sbi));
return prefree_segments(sbi) > SM_I(sbi)->rec_prefree_segments;