403 				   map->m_len)) {  in __check_block_validity()
407 				 map->m_pblk, map->m_len);  in __check_block_validity()
468 		       inode->i_ino, es_map->m_lblk, es_map->m_len,  in ext4_map_blocks_es_recheck()
470 		       map->m_len, map->m_pblk, map->m_flags,  in ext4_map_blocks_es_recheck()
512 		  "logical block %lu\n", inode->i_ino, flags, map->m_len,  in ext4_map_blocks()
518 	if (unlikely(map->m_len > INT_MAX))  in ext4_map_blocks()
519 		map->m_len = INT_MAX;  in ext4_map_blocks()
533 			if (retval > map->m_len)  in ext4_map_blocks()
534 				retval = map->m_len;  in ext4_map_blocks()
535 			map->m_len = retval;  in ext4_map_blocks()
539 			if (retval > map->m_len)  in ext4_map_blocks()
540 				retval = map->m_len;  in ext4_map_blocks()
541 			map->m_len = retval;  in ext4_map_blocks()
568 		if (unlikely(retval != map->m_len)) {  in ext4_map_blocks()
572 				     inode->i_ino, retval, map->m_len);  in ext4_map_blocks()
581 					     map->m_lblk + map->m_len - 1))  in ext4_map_blocks()
584 					    map->m_len, map->m_pblk, status);  in ext4_map_blocks()
663 		if (unlikely(retval != map->m_len)) {  in ext4_map_blocks()
667 				     inode->i_ino, retval, map->m_len);  in ext4_map_blocks()
682 					   map->m_len);  in ext4_map_blocks()
684 						 map->m_pblk, map->m_len);  in ext4_map_blocks()
705 					     map->m_lblk + map->m_len - 1))  in ext4_map_blocks()
707 		ret = ext4_es_insert_extent(inode, map->m_lblk, map->m_len,  in ext4_map_blocks()
781 	map.m_len = bh->b_size >> inode->i_blkbits;  in _ext4_get_block()
788 		bh->b_size = inode->i_sb->s_blocksize * map.m_len;  in _ext4_get_block()
792 		bh->b_size = inode->i_sb->s_blocksize * map.m_len;  in _ext4_get_block()
965 	map.m_len = 1;  in ext4_getblk()
1807 		  "logical block %lu\n", inode->i_ino, map->m_len,  in ext4_da_map_blocks()
1831 		if (retval > map->m_len)  in ext4_da_map_blocks()
1832 			retval = map->m_len;  in ext4_da_map_blocks()
1833 		map->m_len = retval;  in ext4_da_map_blocks()
1881 		ret = ext4_es_insert_extent(inode, map->m_lblk, map->m_len,  in ext4_da_map_blocks()
1895 		if (unlikely(retval != map->m_len)) {  in ext4_da_map_blocks()
1899 				     inode->i_ino, retval, map->m_len);  in ext4_da_map_blocks()
1905 		ret = ext4_es_insert_extent(inode, map->m_lblk, map->m_len,  in ext4_da_map_blocks()
1939 	map.m_len = 1;  in ext4_da_get_block_prep()
2247 		if (map->m_len == 0)  in mpage_add_bh_to_extent()
2253 	if (map->m_len == 0) {  in mpage_add_bh_to_extent()
2258 		map->m_len = 1;  in mpage_add_bh_to_extent()
2264 	if (map->m_len >= MAX_WRITEPAGES_EXTENT_LEN)  in mpage_add_bh_to_extent()
2268 	if (lblk == map->m_lblk + map->m_len &&  in mpage_add_bh_to_extent()
2270 		map->m_len++;  in mpage_add_bh_to_extent()
2307 			if (mpd->map.m_len)  in mpage_process_page_bufs()
2317 	if (mpd->map.m_len == 0) {  in mpage_process_page_bufs()
2352 	end = (mpd->map.m_lblk + mpd->map.m_len - 1) >> bpp_bits;  in mpage_map_and_submit_buffers()
2369 				if (lblk >= mpd->map.m_lblk + mpd->map.m_len) {  in mpage_map_and_submit_buffers()
2374 					mpd->map.m_len = 0;  in mpage_map_and_submit_buffers()
2413 	mpd->map.m_len = 0;  in mpage_map_and_submit_buffers()
2462 	BUG_ON(map->m_len == 0);  in mpage_map_one_extent()
2465 				   map->m_len);  in mpage_map_one_extent()
2527 				 (unsigned)map->m_len, -err);  in mpage_map_and_submit_extent()
2545 	} while (map->m_len);  in mpage_map_and_submit_extent()
2628 	mpd->map.m_len = 0;  in mpage_prepare_extent_to_map()
2651 			if (mpd->map.m_len > 0 && mpd->next_page != page->index)  in mpage_prepare_extent_to_map()
2673 			if (mpd->map.m_len == 0)  in mpage_prepare_extent_to_map()
2853 			if (mpd.map.m_len)  in ext4_writepages()
3442 	map.m_len = last_block - first_block + 1;  in ext4_iomap_begin()
3450 			ext4_lblk_t end = map.m_lblk + map.m_len - 1;  in ext4_iomap_begin()
3459 				map.m_len = es.es_lblk - map.m_lblk;  in ext4_iomap_begin()
3466 				map.m_len = es.es_len - offs;  in ext4_iomap_begin()
3476 		if (map.m_len > DIO_MAX_BLOCKS)  in ext4_iomap_begin()
3477 			map.m_len = DIO_MAX_BLOCKS;  in ext4_iomap_begin()
3478 		dio_credits = ext4_chunk_trans_blocks(inode, map.m_len);  in ext4_iomap_begin()
3510 		if (!(flags & IOMAP_FAULT) && first_block + map.m_len >  in ext4_iomap_begin()
3533 	iomap->length = (u64)map.m_len << blkbits;  in ext4_iomap_begin()