95 static int get_compacted_la_distance(unsigned int lclusterbits,  in get_compacted_la_distance()  argument
99 	const unsigned int lomask = (1 << lclusterbits) - 1;  in get_compacted_la_distance()
106 		lo = decode_compactedbits(lclusterbits, lomask,  in get_compacted_la_distance()
125 	const unsigned int lclusterbits = vi->z_logical_clusterbits;  in unpack_compacted_index()  local
126 	const unsigned int lomask = (1 << lclusterbits) - 1;  in unpack_compacted_index()
132 	if (1 << amortizedshift == 4 && lclusterbits <= 14)  in unpack_compacted_index()
134 	else if (1 << amortizedshift == 2 && lclusterbits == 12)  in unpack_compacted_index()
150 	lo = decode_compactedbits(lclusterbits, lomask,  in unpack_compacted_index()
154 		m->clusterofs = 1 << lclusterbits;  in unpack_compacted_index()
158 			m->delta[1] = get_compacted_la_distance(lclusterbits,  in unpack_compacted_index()
177 		lo = decode_compactedbits(lclusterbits, lomask,  in unpack_compacted_index()
193 			lo = decode_compactedbits(lclusterbits, lomask,  in unpack_compacted_index()
205 			lo = decode_compactedbits(lclusterbits, lomask,  in unpack_compacted_index()
298 	const unsigned int lclusterbits = vi->z_logical_clusterbits;  in z_erofs_extent_lookback()  local
318 			m->map->m_la = (lcn << lclusterbits) | m->clusterofs;  in z_erofs_extent_lookback()
340 	const unsigned int lclusterbits = vi->z_logical_clusterbits;  in z_erofs_get_extent_compressedlen()  local
354 		map->m_plen = 1ULL << lclusterbits;  in z_erofs_get_extent_compressedlen()
384 		m->compressedblks = 1 << (lclusterbits - sb->s_blocksize_bits);  in z_erofs_get_extent_compressedlen()
412 	unsigned int lclusterbits = vi->z_logical_clusterbits;  in z_erofs_get_extent_decompressedlen()  local
413 	u64 lcn = m->lcn, headlcn = map->m_la >> lclusterbits;  in z_erofs_get_extent_decompressedlen()
418 		if ((lcn << lclusterbits) >= inode->i_size) {  in z_erofs_get_extent_decompressedlen()
429 				  m->clusterofs != 1 << lclusterbits);  in z_erofs_get_extent_decompressedlen()
446 	map->m_llen = (lcn << lclusterbits) + m->clusterofs - map->m_la;  in z_erofs_get_extent_decompressedlen()
461 	unsigned int lclusterbits, endoff;  in z_erofs_do_map_blocks()  local
465 	lclusterbits = vi->z_logical_clusterbits;  in z_erofs_do_map_blocks()
467 	initial_lcn = ofs >> lclusterbits;  in z_erofs_do_map_blocks()
468 	endoff = ofs & ((1 << lclusterbits) - 1);  in z_erofs_do_map_blocks()
478 	end = (m.lcn + 1ULL) << lclusterbits;  in z_erofs_do_map_blocks()
486 			map->m_la = (m.lcn << lclusterbits) | m.clusterofs;  in z_erofs_do_map_blocks()
504 		end = (m.lcn << lclusterbits) | m.clusterofs;  in z_erofs_do_map_blocks()