303 		first = map->extent[idx].first;  in map_id_range_down_base()
304 		last = first + map->extent[idx].count - 1;  in map_id_range_down_base()
307 			return &map->extent[idx];  in map_id_range_down_base()
314 	struct uid_gid_extent *extent;  in map_id_range_down()  local
319 		extent = map_id_range_down_base(extents, map, id, count);  in map_id_range_down()
321 		extent = map_id_range_down_max(extents, map, id, count);  in map_id_range_down()
324 	if (extent)  in map_id_range_down()
325 		id = (id - extent->first) + extent->lower_first;  in map_id_range_down()
350 		first = map->extent[idx].lower_first;  in map_id_up_base()
351 		last = first + map->extent[idx].count - 1;  in map_id_up_base()
353 			return &map->extent[idx];  in map_id_up_base()
377 	struct uid_gid_extent *extent;  in map_id_up()  local
382 		extent = map_id_up_base(extents, map, id);  in map_id_up()
384 		extent = map_id_up_max(extents, map, id);  in map_id_up()
387 	if (extent)  in map_id_up()
388 		id = (id - extent->lower_first) + extent->first;  in map_id_up()
602 	struct uid_gid_extent *extent = v;  in uid_m_show()  local
610 	lower = from_kuid(lower_ns, KUIDT_INIT(extent->lower_first));  in uid_m_show()
613 		extent->first,  in uid_m_show()
615 		extent->count);  in uid_m_show()
623 	struct uid_gid_extent *extent = v;  in gid_m_show()  local
631 	lower = from_kgid(lower_ns, KGIDT_INIT(extent->lower_first));  in gid_m_show()
634 		extent->first,  in gid_m_show()
636 		extent->count);  in gid_m_show()
644 	struct uid_gid_extent *extent = v;  in projid_m_show()  local
652 	lower = from_kprojid(lower_ns, KPROJIDT_INIT(extent->lower_first));  in projid_m_show()
655 		extent->first,  in projid_m_show()
657 		extent->count);  in projid_m_show()
673 		return &map->extent[pos];  in m_start()
732 			     struct uid_gid_extent *extent)  in mappings_overlap()  argument
737 	upper_first = extent->first;  in mappings_overlap()
738 	lower_first = extent->lower_first;  in mappings_overlap()
739 	upper_last = upper_first + extent->count - 1;  in mappings_overlap()
740 	lower_last = lower_first + extent->count - 1;  in mappings_overlap()
748 			prev = &new_map->extent[idx];  in mappings_overlap()
775 static int insert_extent(struct uid_gid_map *map, struct uid_gid_extent *extent)  in insert_extent()  argument
792 		memcpy(forward, map->extent,  in insert_extent()
793 		       map->nr_extents * sizeof(map->extent[0]));  in insert_extent()
800 		dest = &map->extent[map->nr_extents];  in insert_extent()
804 	*dest = *extent;  in insert_extent()
888 			extent0 = &new_map->extent[idx];  in verify_root_map()
930 	struct uid_gid_extent extent;  in map_write()  local
992 		extent.first = simple_strtoul(pos, &pos, 10);  in map_write()
997 		extent.lower_first = simple_strtoul(pos, &pos, 10);  in map_write()
1002 		extent.count = simple_strtoul(pos, &pos, 10);  in map_write()
1012 		if ((extent.first == (u32) -1) ||  in map_write()
1013 		    (extent.lower_first == (u32) -1))  in map_write()
1019 		if ((extent.first + extent.count) <= extent.first)  in map_write()
1021 		if ((extent.lower_first + extent.count) <=  in map_write()
1022 		     extent.lower_first)  in map_write()
1026 		if (mappings_overlap(&new_map, &extent))  in map_write()
1033 		ret = insert_extent(&new_map, &extent);  in map_write()
1056 			e = &new_map.extent[idx];  in map_write()
1083 		memcpy(map->extent, new_map.extent,  in map_write()
1084 		       new_map.nr_extents * sizeof(new_map.extent[0]));  in map_write()
1172 	if ((new_map->nr_extents == 1) && (new_map->extent[0].count == 1) &&  in new_idmap_permitted()
1174 		u32 id = new_map->extent[0].lower_first;  in new_idmap_permitted()