1487 	unsigned int maxblocks = map->m_len;  in f2fs_map_blocks_cached()
1495 	map->m_len = min((pgoff_t)maxblocks, ei.fofs + ei.len - pgoff);  in f2fs_map_blocks_cached()
1498 		*map->m_next_extent = pgoff + map->m_len;  in f2fs_map_blocks_cached()
1503 					map->m_pblk, map->m_len);  in f2fs_map_blocks_cached()
1511 		map->m_len = min(map->m_len, dev->end_blk + 1 - map->m_pblk);  in f2fs_map_blocks_cached()
1544 	unsigned int maxblocks = map->m_len;  in f2fs_map_blocks()
1567 	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()
1692 		map->m_len++;  in f2fs_map_blocks()
1710 		map->m_len += dn.ofs_in_node - ofs_in_node;  in f2fs_map_blocks()
1737 				map->m_len - ofs);  in f2fs_map_blocks()
1757 						map->m_pblk, map->m_len);  in f2fs_map_blocks()
1769 							blk_addr, map->m_len);  in f2fs_map_blocks()
1771 			f2fs_bug_on(sbi, blk_addr + map->m_len >  in f2fs_map_blocks()
1782 				map->m_len - ofs);  in f2fs_map_blocks()
1815 		map.m_len = last_lblk - map.m_lblk;  in f2fs_overwrite_io()
1817 		if (err || map.m_len == 0)  in f2fs_overwrite_io()
1819 		map.m_lblk += map.m_len;  in f2fs_overwrite_io()
1951 	map.m_len = blk_len;  in f2fs_fiemap()
1957 		map.m_len = cluster_size - count_in_cluster;  in f2fs_fiemap()
1979 				map.m_lblk + map.m_len - 1 == last_blk &&  in f2fs_fiemap()
2023 		size = F2FS_BLK_TO_BYTES(map.m_len);  in f2fs_fiemap()
2028 			count_in_cluster += map.m_len;  in f2fs_fiemap()
2098 			block_in_file < (map->m_lblk + map->m_len))  in f2fs_read_single_page()
2106 	map->m_len = last_block - block_in_file;  in f2fs_read_single_page()
2381 	map.m_len = 0;  in f2fs_mpage_readpages()
3832 		map.m_len = 1;  in f2fs_bmap()
3947 		map.m_len = last_lblock - cur_lblock;  in check_swap_activate()
3965 		nr_pblocks = map.m_len;  in check_swap_activate()
4180 	map.m_len = F2FS_BYTES_TO_BLK(offset + length - 1) - map.m_lblk + 1;  in f2fs_iomap_begin()
4204 	map.m_len = fscrypt_limit_io_blocks(inode, map.m_lblk, map.m_len);  in f2fs_iomap_begin()
4217 		iomap->length = F2FS_BLK_TO_BYTES(map.m_len);  in f2fs_iomap_begin()
4231 			iomap->length = F2FS_BLK_TO_BYTES(map.m_len);  in f2fs_iomap_begin()