127 	sector_t start_block;  in discard_swap()  local
133 	start_block = (se->start_block + 1) << (PAGE_SHIFT - 9);  in discard_swap()
136 		err = blkdev_issue_discard(si->bdev, start_block,  in discard_swap()
144 		start_block = se->start_block << (PAGE_SHIFT - 9);  in discard_swap()
147 		err = blkdev_issue_discard(si->bdev, start_block,  in discard_swap()
173 			sector_t start_block = se->start_block + offset;  in discard_swap_cluster()  local
184 			start_block <<= PAGE_SHIFT - 9;  in discard_swap_cluster()
186 			if (blkdev_issue_discard(si->bdev, start_block,  in discard_swap_cluster()
1055 			if (se->start_block == offset) {  in swap_type_of()
1640 			return se->start_block + (offset - se->start_page);  in map_swap_entry()
1690 		unsigned long nr_pages, sector_t start_block)  in add_swap_extent()  argument
1701 		se->start_block = start_block;  in add_swap_extent()
1707 		if (se->start_block + se->nr_pages == start_block) {  in add_swap_extent()
1722 	new_se->start_block = start_block;  in add_swap_extent()