298 		first = map->extent[idx].first;  in map_id_range_down_base()
299 		last = first + map->extent[idx].count - 1;  in map_id_range_down_base()
302 			return &map->extent[idx];  in map_id_range_down_base()
309 	struct uid_gid_extent *extent;  in map_id_range_down()  local
314 		extent = map_id_range_down_base(extents, map, id, count);  in map_id_range_down()
316 		extent = map_id_range_down_max(extents, map, id, count);  in map_id_range_down()
319 	if (extent)  in map_id_range_down()
320 		id = (id - extent->first) + extent->lower_first;  in map_id_range_down()
345 		first = map->extent[idx].lower_first;  in map_id_up_base()
346 		last = first + map->extent[idx].count - 1;  in map_id_up_base()
348 			return &map->extent[idx];  in map_id_up_base()
372 	struct uid_gid_extent *extent;  in map_id_up()  local
377 		extent = map_id_up_base(extents, map, id);  in map_id_up()
379 		extent = map_id_up_max(extents, map, id);  in map_id_up()
382 	if (extent)  in map_id_up()
383 		id = (id - extent->lower_first) + extent->first;  in map_id_up()
597 	struct uid_gid_extent *extent = v;  in uid_m_show()  local
605 	lower = from_kuid(lower_ns, KUIDT_INIT(extent->lower_first));  in uid_m_show()
608 		extent->first,  in uid_m_show()
610 		extent->count);  in uid_m_show()
618 	struct uid_gid_extent *extent = v;  in gid_m_show()  local
626 	lower = from_kgid(lower_ns, KGIDT_INIT(extent->lower_first));  in gid_m_show()
629 		extent->first,  in gid_m_show()
631 		extent->count);  in gid_m_show()
639 	struct uid_gid_extent *extent = v;  in projid_m_show()  local
647 	lower = from_kprojid(lower_ns, KPROJIDT_INIT(extent->lower_first));  in projid_m_show()
650 		extent->first,  in projid_m_show()
652 		extent->count);  in projid_m_show()
668 		return &map->extent[pos];  in m_start()
727 			     struct uid_gid_extent *extent)  in mappings_overlap()  argument
732 	upper_first = extent->first;  in mappings_overlap()
733 	lower_first = extent->lower_first;  in mappings_overlap()
734 	upper_last = upper_first + extent->count - 1;  in mappings_overlap()
735 	lower_last = lower_first + extent->count - 1;  in mappings_overlap()
743 			prev = &new_map->extent[idx];  in mappings_overlap()
770 static int insert_extent(struct uid_gid_map *map, struct uid_gid_extent *extent)  in insert_extent()  argument
787 		memcpy(forward, map->extent,  in insert_extent()
788 		       map->nr_extents * sizeof(map->extent[0]));  in insert_extent()
795 		dest = &map->extent[map->nr_extents];  in insert_extent()
799 	*dest = *extent;  in insert_extent()
883 			extent0 = &new_map->extent[idx];  in verify_root_map()
925 	struct uid_gid_extent extent;  in map_write()  local
987 		extent.first = simple_strtoul(pos, &pos, 10);  in map_write()
992 		extent.lower_first = simple_strtoul(pos, &pos, 10);  in map_write()
997 		extent.count = simple_strtoul(pos, &pos, 10);  in map_write()
1007 		if ((extent.first == (u32) -1) ||  in map_write()
1008 		    (extent.lower_first == (u32) -1))  in map_write()
1014 		if ((extent.first + extent.count) <= extent.first)  in map_write()
1016 		if ((extent.lower_first + extent.count) <=  in map_write()
1017 		     extent.lower_first)  in map_write()
1021 		if (mappings_overlap(&new_map, &extent))  in map_write()
1028 		ret = insert_extent(&new_map, &extent);  in map_write()
1051 			e = &new_map.extent[idx];  in map_write()
1078 		memcpy(map->extent, new_map.extent,  in map_write()
1079 		       new_map.nr_extents * sizeof(new_map.extent[0]));  in map_write()
1167 	if ((new_map->nr_extents == 1) && (new_map->extent[0].count == 1) &&  in new_idmap_permitted()
1169 		u32 id = new_map->extent[0].lower_first;  in new_idmap_permitted()