570 	unsigned long blk_idx = 1;  in alloc_block_bdev()  local
573 	blk_idx = find_next_zero_bit(zram->bitmap, zram->nr_pages, blk_idx);  in alloc_block_bdev()
574 	if (blk_idx == zram->nr_pages)  in alloc_block_bdev()
577 	if (test_and_set_bit(blk_idx, zram->bitmap))  in alloc_block_bdev()
581 	return blk_idx;  in alloc_block_bdev()
584 static void free_block_bdev(struct zram *zram, unsigned long blk_idx)  in free_block_bdev()  argument
588 	was_set = test_and_clear_bit(blk_idx, zram->bitmap);  in free_block_bdev()
648 	unsigned long blk_idx = 0;  in writeback_store()  local
700 		if (!blk_idx) {  in writeback_store()
701 			blk_idx = alloc_block_bdev(zram);  in writeback_store()
702 			if (!blk_idx) {  in writeback_store()
741 		bio.bi_iter.bi_sector = blk_idx * (PAGE_SIZE >> 9);  in writeback_store()
784 		zram_set_element(zram, index, blk_idx);  in writeback_store()
785 		blk_idx = 0;  in writeback_store()
795 	if (blk_idx)  in writeback_store()
796 		free_block_bdev(zram, blk_idx);  in writeback_store()
871 static void free_block_bdev(struct zram *zram, unsigned long blk_idx) {};  in free_block_bdev()  argument