139 	unsigned long lcn;  member
161 					 unsigned long lcn)  in legacy_load_cluster_from_disk()  argument
169 		lcn * sizeof(struct z_erofs_vle_decompressed_index);  in legacy_load_cluster_from_disk()
179 	m->lcn = lcn;  in legacy_load_cluster_from_disk()
361 					    unsigned long lcn, bool lookahead)  in compacted_load_cluster_from_disk()  argument
378 	if (lcn >= totalidx)  in compacted_load_cluster_from_disk()
381 	m->lcn = lcn;  in compacted_load_cluster_from_disk()
394 	if (lcn < compacted_4b_initial) {  in compacted_load_cluster_from_disk()
399 	lcn -= compacted_4b_initial;  in compacted_load_cluster_from_disk()
401 	if (lcn < compacted_2b) {  in compacted_load_cluster_from_disk()
406 	lcn -= compacted_2b;  in compacted_load_cluster_from_disk()
409 	pos += lcn * (1 << amortizedshift);  in compacted_load_cluster_from_disk()
417 					  unsigned int lcn, bool lookahead)  in z_erofs_load_cluster_from_disk()  argument
422 		return legacy_load_cluster_from_disk(m, lcn);  in z_erofs_load_cluster_from_disk()
425 		return compacted_load_cluster_from_disk(m, lcn, lookahead);  in z_erofs_load_cluster_from_disk()
436 	while (m->lcn >= lookback_distance) {  in z_erofs_extent_lookback()
437 		unsigned long lcn = m->lcn - lookback_distance;  in z_erofs_extent_lookback()  local
441 		err = z_erofs_load_cluster_from_disk(m, lcn, false);  in z_erofs_extent_lookback()
460 			m->map->m_la = (lcn << lclusterbits) | m->clusterofs;  in z_erofs_extent_lookback()
465 				  m->type, lcn, vi->nid);  in z_erofs_extent_lookback()
483 	unsigned long lcn;  in z_erofs_get_extent_compressedlen()  local
499 	lcn = m->lcn + 1;  in z_erofs_get_extent_compressedlen()
503 	err = z_erofs_load_cluster_from_disk(m, lcn, false);  in z_erofs_get_extent_compressedlen()
515 	DBG_BUGON(lcn == initial_lcn &&  in z_erofs_get_extent_compressedlen()
537 			  lcn, vi->nid);  in z_erofs_get_extent_compressedlen()
547 		  lcn, vi->nid);  in z_erofs_get_extent_compressedlen()
558 	u64 lcn = m->lcn, headlcn = map->m_la >> lclusterbits;  in z_erofs_get_extent_decompressedlen()  local
563 		if ((lcn << lclusterbits) >= inode->i_size) {  in z_erofs_get_extent_decompressedlen()
568 		err = z_erofs_load_cluster_from_disk(m, lcn, true);  in z_erofs_get_extent_decompressedlen()
579 			if (lcn != headlcn)  in z_erofs_get_extent_decompressedlen()
584 				  m->type, lcn, vi->nid);  in z_erofs_get_extent_decompressedlen()
588 		lcn += m->delta[1];  in z_erofs_get_extent_decompressedlen()
591 	map->m_llen = (lcn << lclusterbits) + m->clusterofs - map->m_la;  in z_erofs_get_extent_decompressedlen()
623 	end = (m.lcn + 1ULL) << lclusterbits;  in z_erofs_do_map_blocks()
631 			map->m_la = (m.lcn << lclusterbits) | m.clusterofs;  in z_erofs_do_map_blocks()
642 		if (!m.lcn) {  in z_erofs_do_map_blocks()
649 		end = (m.lcn << lclusterbits) | m.clusterofs;  in z_erofs_do_map_blocks()
670 		vi->z_tailextent_headlcn = m.lcn;  in z_erofs_do_map_blocks()
671 	if (ztailpacking && m.lcn == vi->z_tailextent_headlcn) {  in z_erofs_do_map_blocks()