281 		first = map->extent[idx].first;  in map_id_range_down_base()
282 		last = first + map->extent[idx].count - 1;  in map_id_range_down_base()
285 			return &map->extent[idx];  in map_id_range_down_base()
292 	struct uid_gid_extent *extent;  in map_id_range_down()  local
297 		extent = map_id_range_down_base(extents, map, id, count);  in map_id_range_down()
299 		extent = map_id_range_down_max(extents, map, id, count);  in map_id_range_down()
302 	if (extent)  in map_id_range_down()
303 		id = (id - extent->first) + extent->lower_first;  in map_id_range_down()
328 		first = map->extent[idx].lower_first;  in map_id_up_base()
329 		last = first + map->extent[idx].count - 1;  in map_id_up_base()
331 			return &map->extent[idx];  in map_id_up_base()
355 	struct uid_gid_extent *extent;  in map_id_up()  local
360 		extent = map_id_up_base(extents, map, id);  in map_id_up()
362 		extent = map_id_up_max(extents, map, id);  in map_id_up()
365 	if (extent)  in map_id_up()
366 		id = (id - extent->lower_first) + extent->first;  in map_id_up()
580 	struct uid_gid_extent *extent = v;  in uid_m_show()  local
588 	lower = from_kuid(lower_ns, KUIDT_INIT(extent->lower_first));  in uid_m_show()
591 		extent->first,  in uid_m_show()
593 		extent->count);  in uid_m_show()
601 	struct uid_gid_extent *extent = v;  in gid_m_show()  local
609 	lower = from_kgid(lower_ns, KGIDT_INIT(extent->lower_first));  in gid_m_show()
612 		extent->first,  in gid_m_show()
614 		extent->count);  in gid_m_show()
622 	struct uid_gid_extent *extent = v;  in projid_m_show()  local
630 	lower = from_kprojid(lower_ns, KPROJIDT_INIT(extent->lower_first));  in projid_m_show()
633 		extent->first,  in projid_m_show()
635 		extent->count);  in projid_m_show()
651 		return &map->extent[pos];  in m_start()
710 			     struct uid_gid_extent *extent)  in mappings_overlap()  argument
715 	upper_first = extent->first;  in mappings_overlap()
716 	lower_first = extent->lower_first;  in mappings_overlap()
717 	upper_last = upper_first + extent->count - 1;  in mappings_overlap()
718 	lower_last = lower_first + extent->count - 1;  in mappings_overlap()
726 			prev = &new_map->extent[idx];  in mappings_overlap()
753 static int insert_extent(struct uid_gid_map *map, struct uid_gid_extent *extent)  in insert_extent()  argument
770 		memcpy(forward, map->extent,  in insert_extent()
771 		       map->nr_extents * sizeof(map->extent[0]));  in insert_extent()
778 		dest = &map->extent[map->nr_extents];  in insert_extent()
782 	*dest = *extent;  in insert_extent()
854 	struct uid_gid_extent extent;  in map_write()  local
916 		extent.first = simple_strtoul(pos, &pos, 10);  in map_write()
921 		extent.lower_first = simple_strtoul(pos, &pos, 10);  in map_write()
926 		extent.count = simple_strtoul(pos, &pos, 10);  in map_write()
936 		if ((extent.first == (u32) -1) ||  in map_write()
937 		    (extent.lower_first == (u32) -1))  in map_write()
943 		if ((extent.first + extent.count) <= extent.first)  in map_write()
945 		if ((extent.lower_first + extent.count) <=  in map_write()
946 		     extent.lower_first)  in map_write()
950 		if (mappings_overlap(&new_map, &extent))  in map_write()
957 		ret = insert_extent(&new_map, &extent);  in map_write()
980 			e = &new_map.extent[idx];  in map_write()
1007 		memcpy(map->extent, new_map.extent,  in map_write()
1008 		       new_map.nr_extents * sizeof(new_map.extent[0]));  in map_write()
1092 	if ((new_map->nr_extents == 1) && (new_map->extent[0].count == 1) &&  in new_idmap_permitted()
1094 		u32 id = new_map->extent[0].lower_first;  in new_idmap_permitted()