161 static inline struct swap_extent *next_se(struct swap_extent *se)  in next_se()  argument
163 	struct rb_node *rb = rb_next(&se->rb_node);  in next_se()
173 	struct swap_extent *se;  in discard_swap()  local
179 	se = first_se(si);  in discard_swap()
180 	start_block = (se->start_block + 1) << (PAGE_SHIFT - 9);  in discard_swap()
181 	nr_blocks = ((sector_t)se->nr_pages - 1) << (PAGE_SHIFT - 9);  in discard_swap()
190 	for (se = next_se(se); se; se = next_se(se)) {  in discard_swap()
191 		start_block = se->start_block << (PAGE_SHIFT - 9);  in discard_swap()
192 		nr_blocks = (sector_t)se->nr_pages << (PAGE_SHIFT - 9);  in discard_swap()
207 	struct swap_extent *se;  in offset_to_swap_extent()  local
212 		se = rb_entry(rb, struct swap_extent, rb_node);  in offset_to_swap_extent()
213 		if (offset < se->start_page)  in offset_to_swap_extent()
215 		else if (offset >= se->start_page + se->nr_pages)  in offset_to_swap_extent()
218 			return se;  in offset_to_swap_extent()
227 	struct swap_extent *se;  in swap_page_sector()  local
232 	se = offset_to_swap_extent(sis, offset);  in swap_page_sector()
233 	sector = se->start_block + (offset - se->start_page);  in swap_page_sector()
244 	struct swap_extent *se = offset_to_swap_extent(si, start_page);  in discard_swap_cluster()  local
247 		pgoff_t offset = start_page - se->start_page;  in discard_swap_cluster()
248 		sector_t start_block = se->start_block + offset;  in discard_swap_cluster()
249 		sector_t nr_blocks = se->nr_pages - offset;  in discard_swap_cluster()
262 		se = next_se(se);  in discard_swap_cluster()
1834 			struct swap_extent *se = first_se(sis);  in swap_type_of()  local
1836 			if (se->start_block == offset) {  in swap_type_of()
2310 	struct swap_extent *se;  in map_swap_entry()  local
2317 	se = offset_to_swap_extent(sis, offset);  in map_swap_entry()
2318 	return se->start_block + (offset - se->start_page);  in map_swap_entry()
2338 		struct swap_extent *se = rb_entry(rb, struct swap_extent, rb_node);  in destroy_swap_extents()  local
2341 		kfree(se);  in destroy_swap_extents()
2365 	struct swap_extent *se;  in add_swap_extent()  local
2378 		se = rb_entry(parent, struct swap_extent, rb_node);  in add_swap_extent()
2379 		BUG_ON(se->start_page + se->nr_pages != start_page);  in add_swap_extent()
2380 		if (se->start_block + se->nr_pages == start_block) {  in add_swap_extent()
2382 			se->nr_pages += nr_pages;  in add_swap_extent()
2388 	new_se = kmalloc(sizeof(*se), GFP_KERNEL);  in add_swap_extent()