114 	unsigned long lcn;  member
155 					 unsigned long lcn)  in legacy_load_cluster_from_disk()  argument
163 		lcn * sizeof(struct z_erofs_vle_decompressed_index);  in legacy_load_cluster_from_disk()
172 	m->lcn = lcn;  in legacy_load_cluster_from_disk()
354 					    unsigned long lcn, bool lookahead)  in compacted_load_cluster_from_disk()  argument
367 	if (lcn >= totalidx)  in compacted_load_cluster_from_disk()
370 	m->lcn = lcn;  in compacted_load_cluster_from_disk()
383 	if (lcn < compacted_4b_initial) {  in compacted_load_cluster_from_disk()
388 	lcn -= compacted_4b_initial;  in compacted_load_cluster_from_disk()
390 	if (lcn < compacted_2b) {  in compacted_load_cluster_from_disk()
395 	lcn -= compacted_2b;  in compacted_load_cluster_from_disk()
398 	pos += lcn * (1 << amortizedshift);  in compacted_load_cluster_from_disk()
407 					  unsigned int lcn, bool lookahead)  in z_erofs_load_cluster_from_disk()  argument
412 		return legacy_load_cluster_from_disk(m, lcn);  in z_erofs_load_cluster_from_disk()
415 		return compacted_load_cluster_from_disk(m, lcn, lookahead);  in z_erofs_load_cluster_from_disk()
426 	unsigned long lcn = m->lcn;  in z_erofs_extent_lookback()  local
429 	if (lcn < lookback_distance) {  in z_erofs_extent_lookback()
437 	lcn -= lookback_distance;  in z_erofs_extent_lookback()
438 	err = z_erofs_load_cluster_from_disk(m, lcn, false);  in z_erofs_extent_lookback()
456 		map->m_la = (lcn << lclusterbits) | m->clusterofs;  in z_erofs_extent_lookback()
461 			  m->type, lcn, vi->nid);  in z_erofs_extent_lookback()
474 	unsigned long lcn;  in z_erofs_get_extent_compressedlen()  local
490 	lcn = m->lcn + 1;  in z_erofs_get_extent_compressedlen()
494 	err = z_erofs_load_cluster_from_disk(m, lcn, false);  in z_erofs_get_extent_compressedlen()
506 	DBG_BUGON(lcn == initial_lcn &&  in z_erofs_get_extent_compressedlen()
528 			  lcn, vi->nid);  in z_erofs_get_extent_compressedlen()
538 		  lcn, vi->nid);  in z_erofs_get_extent_compressedlen()
549 	u64 lcn = m->lcn, headlcn = map->m_la >> lclusterbits;  in z_erofs_get_extent_decompressedlen()  local
554 		if ((lcn << lclusterbits) >= inode->i_size) {  in z_erofs_get_extent_decompressedlen()
559 		err = z_erofs_load_cluster_from_disk(m, lcn, true);  in z_erofs_get_extent_decompressedlen()
570 			if (lcn != headlcn)  in z_erofs_get_extent_decompressedlen()
575 				  m->type, lcn, vi->nid);  in z_erofs_get_extent_decompressedlen()
579 		lcn += m->delta[1];  in z_erofs_get_extent_decompressedlen()
582 	map->m_llen = (lcn << lclusterbits) + m->clusterofs - map->m_la;  in z_erofs_get_extent_decompressedlen()
624 	end = (m.lcn + 1ULL) << lclusterbits;  in z_erofs_map_blocks_iter()
632 			map->m_la = (m.lcn << lclusterbits) | m.clusterofs;  in z_erofs_map_blocks_iter()
636 		if (!m.lcn) {  in z_erofs_map_blocks_iter()
643 		end = (m.lcn << lclusterbits) | m.clusterofs;  in z_erofs_map_blocks_iter()