1477 	unsigned int maxblocks = map->m_len;  in f2fs_map_blocks_cached()
1485 	map->m_len = min((pgoff_t)maxblocks, ei.fofs + ei.len - pgoff);  in f2fs_map_blocks_cached()
1488 		*map->m_next_extent = pgoff + map->m_len;  in f2fs_map_blocks_cached()
1493 					map->m_pblk, map->m_len);  in f2fs_map_blocks_cached()
1500 		map->m_len = min(map->m_len, dev->end_blk + 1 - map->m_pblk);  in f2fs_map_blocks_cached()
1534 	unsigned int maxblocks = map->m_len;  in f2fs_map_blocks()
1561 	map->m_len = 0;  in f2fs_map_blocks()
1677 	if (map->m_len == 0) {  in f2fs_map_blocks()
1686 		map->m_len = 1;  in f2fs_map_blocks()
1695 		map->m_len++;  in f2fs_map_blocks()
1715 		map->m_len += dn.ofs_in_node - ofs_in_node;  in f2fs_map_blocks()
1734 				map->m_len - ofs);  in f2fs_map_blocks()
1754 						map->m_pblk, map->m_len);  in f2fs_map_blocks()
1766 							blk_addr, map->m_len);  in f2fs_map_blocks()
1768 			f2fs_bug_on(sbi, blk_addr + map->m_len >  in f2fs_map_blocks()
1777 			if (map->m_len > ofs)  in f2fs_map_blocks()
1780 					map->m_len - ofs);  in f2fs_map_blocks()
1813 		map.m_len = last_lblk - map.m_lblk;  in f2fs_overwrite_io()
1815 		if (err || map.m_len == 0)  in f2fs_overwrite_io()
1817 		map.m_lblk += map.m_len;  in f2fs_overwrite_io()
1950 	map.m_len = blk_len;  in f2fs_fiemap()
1956 		map.m_len = cluster_size - count_in_cluster;  in f2fs_fiemap()
1978 				map.m_lblk + map.m_len - 1 == last_blk &&  in f2fs_fiemap()
2022 		size = F2FS_BLK_TO_BYTES(map.m_len);  in f2fs_fiemap()
2027 			count_in_cluster += map.m_len;  in f2fs_fiemap()
2097 			block_in_file < (map->m_lblk + map->m_len))  in f2fs_read_single_page()
2105 	map->m_len = last_block - block_in_file;  in f2fs_read_single_page()
2373 	map.m_len = 0;  in f2fs_mpage_readpages()
3822 		map.m_len = 1;  in f2fs_bmap()
3937 		map.m_len = last_lblock - cur_lblock;  in check_swap_activate()
3955 		nr_pblocks = map.m_len;  in check_swap_activate()
4170 	map.m_len = F2FS_BYTES_TO_BLK(offset + length - 1) - map.m_lblk + 1;  in f2fs_iomap_begin()
4198 	map.m_len = fscrypt_limit_io_blocks(inode, map.m_lblk, map.m_len);  in f2fs_iomap_begin()
4211 		iomap->length = F2FS_BLK_TO_BYTES(map.m_len);  in f2fs_iomap_begin()
4228 			iomap->length = F2FS_BLK_TO_BYTES(map.m_len);  in f2fs_iomap_begin()