1456 	unsigned int maxblocks = map->m_len;  in f2fs_map_blocks()
1476 	map->m_len = 0;  in f2fs_map_blocks()
1489 		map->m_len = min((pgoff_t)maxblocks, ei.fofs + ei.len - pgofs);  in f2fs_map_blocks()
1492 			*map->m_next_extent = pgofs + map->m_len;  in f2fs_map_blocks()
1497 						map->m_pblk, map->m_len);  in f2fs_map_blocks()
1506 			map->m_len = min(map->m_len,  in f2fs_map_blocks()
1511 							blk_addr, map->m_len);  in f2fs_map_blocks()
1640 	if (map->m_len == 0) {  in f2fs_map_blocks()
1647 		map->m_len = 1;  in f2fs_map_blocks()
1658 		map->m_len++;  in f2fs_map_blocks()
1676 		map->m_len += dn.ofs_in_node - ofs_in_node;  in f2fs_map_blocks()
1695 				map->m_len - ofs);  in f2fs_map_blocks()
1715 						map->m_pblk, map->m_len);  in f2fs_map_blocks()
1727 							blk_addr, map->m_len);  in f2fs_map_blocks()
1729 			f2fs_bug_on(sbi, blk_addr + map->m_len >  in f2fs_map_blocks()
1740 				map->m_len - ofs);  in f2fs_map_blocks()
1773 		map.m_len = last_lblk - map.m_lblk;  in f2fs_overwrite_io()
1775 		if (err || map.m_len == 0)  in f2fs_overwrite_io()
1777 		map.m_lblk += map.m_len;  in f2fs_overwrite_io()
1939 	map.m_len = bytes_to_blks(inode, len);  in f2fs_fiemap()
1945 		map.m_len = cluster_size - count_in_cluster;  in f2fs_fiemap()
2001 		size = blks_to_bytes(inode, map.m_len);  in f2fs_fiemap()
2006 			count_in_cluster += map.m_len;  in f2fs_fiemap()
2071 			block_in_file < (map->m_lblk + map->m_len))  in f2fs_read_single_page()
2079 	map->m_len = last_block - block_in_file;  in f2fs_read_single_page()
2347 	map.m_len = 0;  in f2fs_mpage_readpages()
3782 		map.m_len = 1;  in f2fs_bmap()
3888 		map.m_len = last_lblock - cur_lblock;  in check_swap_activate()
3906 		nr_pblocks = map.m_len;  in check_swap_activate()
3918 				nr_pblocks = map.m_len;  in check_swap_activate()
4117 	map.m_len = bytes_to_blks(inode, offset + length - 1) - map.m_lblk + 1;  in f2fs_iomap_begin()
4135 	map.m_len = fscrypt_limit_io_blocks(inode, map.m_lblk, map.m_len);  in f2fs_iomap_begin()
4138 		iomap->length = blks_to_bytes(inode, map.m_len);  in f2fs_iomap_begin()