73   unsigned int last_block = 0;  in sparse_count_chunks()  local
77     if (backed_block_block(bb) > last_block) {  in sparse_count_chunks()
82     last_block = backed_block_block(bb) + DIV_ROUND_UP(backed_block_len(bb), s->block_size);  in sparse_count_chunks()
84   if (last_block < DIV_ROUND_UP(s->len, s->block_size)) {  in sparse_count_chunks()
116   unsigned int last_block = 0;  in write_all_blocks()  local
121     if (backed_block_block(bb) > last_block) {  in write_all_blocks()
122       unsigned int blocks = backed_block_block(bb) - last_block;  in write_all_blocks()
127     last_block = backed_block_block(bb) + DIV_ROUND_UP(backed_block_len(bb), s->block_size);  in write_all_blocks()
130   pad = s->len - (int64_t)last_block * s->block_size;  in write_all_blocks()
258   unsigned int last_block = 0;  in move_chunks_up_to_len()  local
278     if (backed_block_block(bb) > last_block) count += sizeof(chunk_header_t);  in move_chunks_up_to_len()
279     last_block = backed_block_block(bb) + DIV_ROUND_UP(backed_block_len(bb), to->block_size);  in move_chunks_up_to_len()