235 static int get_compacted_la_distance(unsigned int lclusterbits,  in get_compacted_la_distance()  argument
239 	const unsigned int lomask = (1 << lclusterbits) - 1;  in get_compacted_la_distance()
246 		lo = decode_compactedbits(lclusterbits, lomask,  in get_compacted_la_distance()
265 	const unsigned int lclusterbits = vi->z_logical_clusterbits;  in unpack_compacted_index()  local
266 	const unsigned int lomask = (1 << lclusterbits) - 1;  in unpack_compacted_index()
274 	else if (1 << amortizedshift == 2 && lclusterbits == 12)  in unpack_compacted_index()
290 	lo = decode_compactedbits(lclusterbits, lomask,  in unpack_compacted_index()
294 		m->clusterofs = 1 << lclusterbits;  in unpack_compacted_index()
298 			m->delta[1] = get_compacted_la_distance(lclusterbits,  in unpack_compacted_index()
317 		lo = decode_compactedbits(lclusterbits, lomask,  in unpack_compacted_index()
333 			lo = decode_compactedbits(lclusterbits, lomask,  in unpack_compacted_index()
345 			lo = decode_compactedbits(lclusterbits, lomask,  in unpack_compacted_index()
374 	const unsigned int lclusterbits = vi->z_logical_clusterbits;  in compacted_load_cluster_from_disk()  local
383 	if (lclusterbits != 12)  in compacted_load_cluster_from_disk()
443 	const unsigned int lclusterbits = vi->z_logical_clusterbits;  in z_erofs_extent_lookback()  local
469 			m->map->m_la = (lcn << lclusterbits) | m->clusterofs;  in z_erofs_extent_lookback()
491 	const unsigned int lclusterbits = vi->z_logical_clusterbits;  in z_erofs_get_extent_compressedlen()  local
505 		map->m_plen = 1ULL << lclusterbits;  in z_erofs_get_extent_compressedlen()
535 		m->compressedblks = 1 << (lclusterbits - LOG_BLOCK_SIZE);  in z_erofs_get_extent_compressedlen()
566 	unsigned int lclusterbits = vi->z_logical_clusterbits;  in z_erofs_get_extent_decompressedlen()  local
567 	u64 lcn = m->lcn, headlcn = map->m_la >> lclusterbits;  in z_erofs_get_extent_decompressedlen()
572 		if ((lcn << lclusterbits) >= inode->i_size) {  in z_erofs_get_extent_decompressedlen()
583 				  m->clusterofs != 1 << lclusterbits);  in z_erofs_get_extent_decompressedlen()
600 	map->m_llen = (lcn << lclusterbits) + m->clusterofs - map->m_la;  in z_erofs_get_extent_decompressedlen()
616 	unsigned int lclusterbits, endoff;  in z_erofs_do_map_blocks()  local
620 	lclusterbits = vi->z_logical_clusterbits;  in z_erofs_do_map_blocks()
622 	initial_lcn = ofs >> lclusterbits;  in z_erofs_do_map_blocks()
623 	endoff = ofs & ((1 << lclusterbits) - 1);  in z_erofs_do_map_blocks()
633 	end = (m.lcn + 1ULL) << lclusterbits;  in z_erofs_do_map_blocks()
641 			map->m_la = (m.lcn << lclusterbits) | m.clusterofs;  in z_erofs_do_map_blocks()
659 		end = (m.lcn << lclusterbits) | m.clusterofs;  in z_erofs_do_map_blocks()