1486 	unsigned int maxblocks = map->m_len;  in f2fs_map_blocks_cached()
1494 	map->m_len = min((pgoff_t)maxblocks, ei.fofs + ei.len - pgoff);  in f2fs_map_blocks_cached()
1497 		*map->m_next_extent = pgoff + map->m_len;  in f2fs_map_blocks_cached()
1502 					map->m_pblk, map->m_len);  in f2fs_map_blocks_cached()
1510 		map->m_len = min(map->m_len, dev->end_blk + 1 - map->m_pblk);  in f2fs_map_blocks_cached()
1524 	unsigned int maxblocks = map->m_len;  in f2fs_map_blocks()
1547 	map->m_len = 0;  in f2fs_map_blocks()
1653 	if (map->m_len == 0) {  in f2fs_map_blocks()
1660 		map->m_len = 1;  in f2fs_map_blocks()
1671 		map->m_len++;  in f2fs_map_blocks()
1689 		map->m_len += dn.ofs_in_node - ofs_in_node;  in f2fs_map_blocks()
1708 				map->m_len - ofs);  in f2fs_map_blocks()
1728 						map->m_pblk, map->m_len);  in f2fs_map_blocks()
1740 							blk_addr, map->m_len);  in f2fs_map_blocks()
1742 			f2fs_bug_on(sbi, blk_addr + map->m_len >  in f2fs_map_blocks()
1753 				map->m_len - ofs);  in f2fs_map_blocks()
1786 		map.m_len = last_lblk - map.m_lblk;  in f2fs_overwrite_io()
1788 		if (err || map.m_len == 0)  in f2fs_overwrite_io()
1790 		map.m_lblk += map.m_len;  in f2fs_overwrite_io()
1933 	map.m_len = bytes_to_blks(inode, len);  in f2fs_fiemap()
1939 		map.m_len = cluster_size - count_in_cluster;  in f2fs_fiemap()
1994 		size = blks_to_bytes(inode, map.m_len);  in f2fs_fiemap()
1999 			count_in_cluster += map.m_len;  in f2fs_fiemap()
2063 			block_in_file < (map->m_lblk + map->m_len))  in f2fs_read_single_page()
2071 	map->m_len = last_block - block_in_file;  in f2fs_read_single_page()
2341 	map.m_len = 0;  in f2fs_mpage_readpages()
3807 		map.m_len = 1;  in f2fs_bmap()
3921 		map.m_len = last_lblock - cur_lblock;  in check_swap_activate()
3939 		nr_pblocks = map.m_len;  in check_swap_activate()
4156 	map.m_len = bytes_to_blks(inode, offset + length - 1) - map.m_lblk + 1;  in f2fs_iomap_begin()
4173 	map.m_len = fscrypt_limit_io_blocks(inode, map.m_lblk, map.m_len);  in f2fs_iomap_begin()
4185 		iomap->length = blks_to_bytes(inode, map.m_len);  in f2fs_iomap_begin()