1396 	map.m_len = F2FS_BYTES_TO_BLK(iocb->ki_pos + iov_iter_count(from));  in f2fs_preallocate_blocks()
1397 	if (map.m_len > map.m_lblk)  in f2fs_preallocate_blocks()
1398 		map.m_len -= map.m_lblk;  in f2fs_preallocate_blocks()
1400 		map.m_len = 0;  in f2fs_preallocate_blocks()
1426 	if (map.m_len > 0 && err == -ENOSPC) {  in f2fs_preallocate_blocks()
1457 	unsigned int maxblocks = map->m_len;  in f2fs_map_blocks()
1472 	map->m_len = 0;  in f2fs_map_blocks()
1485 		map->m_len = min((pgoff_t)maxblocks, ei.fofs + ei.len - pgofs);  in f2fs_map_blocks()
1488 			*map->m_next_extent = pgofs + map->m_len;  in f2fs_map_blocks()
1493 						map->m_pblk, map->m_len);  in f2fs_map_blocks()
1612 	if (map->m_len == 0) {  in f2fs_map_blocks()
1619 		map->m_len = 1;  in f2fs_map_blocks()
1625 		map->m_len++;  in f2fs_map_blocks()
1643 		map->m_len += dn.ofs_in_node - ofs_in_node;  in f2fs_map_blocks()
1662 				map->m_len - ofs);  in f2fs_map_blocks()
1679 						map->m_pblk, map->m_len);  in f2fs_map_blocks()
1687 				map->m_len - ofs);  in f2fs_map_blocks()
1720 		map.m_len = last_lblk - map.m_lblk;  in f2fs_overwrite_io()
1722 		if (err || map.m_len == 0)  in f2fs_overwrite_io()
1724 		map.m_lblk += map.m_len;  in f2fs_overwrite_io()
1747 	map.m_len = bytes_to_blks(inode, bh->b_size);  in __get_data_block()
1757 		bh->b_size = blks_to_bytes(inode, map.m_len);  in __get_data_block()
1927 	map.m_len = bytes_to_blks(inode, len);  in f2fs_fiemap()
1933 		map.m_len = cluster_size - count_in_cluster;  in f2fs_fiemap()
1989 		size = blks_to_bytes(inode, map.m_len);  in f2fs_fiemap()
1994 			count_in_cluster += map.m_len;  in f2fs_fiemap()
2059 			block_in_file < (map->m_lblk + map->m_len))  in f2fs_read_single_page()
2067 	map->m_len = last_block - block_in_file;  in f2fs_read_single_page()
2345 	map.m_len = 0;  in f2fs_mpage_readpages()
3845 		map.m_len = 1;  in f2fs_bmap()
4013 		map.m_len = last_lblock - cur_lblock;  in check_swap_activate()
4031 		nr_pblocks = map.m_len;  in check_swap_activate()
4043 				nr_pblocks = map.m_len;  in check_swap_activate()