spare_map_entry
struct spare_map_entry *sme;
crclen += (layout.spareable_blocks-1) * sizeof(struct spare_map_entry);
struct spare_map_entry *sme, *free_sme;
elmsz = sizeof(struct spare_map_entry);
struct spare_map_entry *sme;
struct spare_map_entry entries[1];
struct spare_map_entry *sme;
elmsz = sizeof(struct spare_map_entry);