407 				   map->m_len)) {  in __check_block_validity()
411 				 map->m_pblk, map->m_len);  in __check_block_validity()
472 		       inode->i_ino, es_map->m_lblk, es_map->m_len,  in ext4_map_blocks_es_recheck()
474 		       map->m_len, map->m_pblk, map->m_flags,  in ext4_map_blocks_es_recheck()
516 		  "logical block %lu\n", inode->i_ino, flags, map->m_len,  in ext4_map_blocks()
522 	if (unlikely(map->m_len > INT_MAX))  in ext4_map_blocks()
523 		map->m_len = INT_MAX;  in ext4_map_blocks()
537 			if (retval > map->m_len)  in ext4_map_blocks()
538 				retval = map->m_len;  in ext4_map_blocks()
539 			map->m_len = retval;  in ext4_map_blocks()
543 			if (retval > map->m_len)  in ext4_map_blocks()
544 				retval = map->m_len;  in ext4_map_blocks()
545 			map->m_len = retval;  in ext4_map_blocks()
572 		if (unlikely(retval != map->m_len)) {  in ext4_map_blocks()
576 				     inode->i_ino, retval, map->m_len);  in ext4_map_blocks()
585 				       map->m_lblk + map->m_len - 1))  in ext4_map_blocks()
588 					    map->m_len, map->m_pblk, status);  in ext4_map_blocks()
667 		if (unlikely(retval != map->m_len)) {  in ext4_map_blocks()
671 				     inode->i_ino, retval, map->m_len);  in ext4_map_blocks()
686 						 map->m_pblk, map->m_len);  in ext4_map_blocks()
707 				       map->m_lblk + map->m_len - 1))  in ext4_map_blocks()
709 		ret = ext4_es_insert_extent(inode, map->m_lblk, map->m_len,  in ext4_map_blocks()
736 			loff_t length = (loff_t)map->m_len << inode->i_blkbits;  in ext4_map_blocks()
789 	map.m_len = bh->b_size >> inode->i_blkbits;  in _ext4_get_block()
796 		bh->b_size = inode->i_sb->s_blocksize * map.m_len;  in _ext4_get_block()
800 		bh->b_size = inode->i_sb->s_blocksize * map.m_len;  in _ext4_get_block()
973 	map.m_len = 1;  in ext4_getblk()
1834 		  "logical block %lu\n", inode->i_ino, map->m_len,  in ext4_da_map_blocks()
1858 		if (retval > map->m_len)  in ext4_da_map_blocks()
1859 			retval = map->m_len;  in ext4_da_map_blocks()
1860 		map->m_len = retval;  in ext4_da_map_blocks()
1908 		if (unlikely(retval != map->m_len)) {  in ext4_da_map_blocks()
1912 				     inode->i_ino, retval, map->m_len);  in ext4_da_map_blocks()
1918 		ret = ext4_es_insert_extent(inode, map->m_lblk, map->m_len,  in ext4_da_map_blocks()
1952 	map.m_len = 1;  in ext4_da_get_block_prep()
2262 		if (map->m_len == 0)  in mpage_add_bh_to_extent()
2268 	if (map->m_len == 0) {  in mpage_add_bh_to_extent()
2273 		map->m_len = 1;  in mpage_add_bh_to_extent()
2279 	if (map->m_len >= MAX_WRITEPAGES_EXTENT_LEN)  in mpage_add_bh_to_extent()
2283 	if (lblk == map->m_lblk + map->m_len &&  in mpage_add_bh_to_extent()
2285 		map->m_len++;  in mpage_add_bh_to_extent()
2325 			if (mpd->map.m_len)  in mpage_process_page_bufs()
2335 	if (mpd->map.m_len == 0) {  in mpage_process_page_bufs()
2370 	end = (mpd->map.m_lblk + mpd->map.m_len - 1) >> bpp_bits;  in mpage_map_and_submit_buffers()
2387 				if (lblk >= mpd->map.m_lblk + mpd->map.m_len) {  in mpage_map_and_submit_buffers()
2392 					mpd->map.m_len = 0;  in mpage_map_and_submit_buffers()
2431 	mpd->map.m_len = 0;  in mpage_map_and_submit_buffers()
2480 	BUG_ON(map->m_len == 0);  in mpage_map_one_extent()
2541 				 (unsigned)map->m_len, -err);  in mpage_map_and_submit_extent()
2559 	} while (map->m_len);  in mpage_map_and_submit_extent()
2642 	mpd->map.m_len = 0;  in mpage_prepare_extent_to_map()
2665 			if (mpd->map.m_len > 0 && mpd->next_page != page->index)  in mpage_prepare_extent_to_map()
2687 			if (mpd->map.m_len == 0)  in mpage_prepare_extent_to_map()
2868 			if (mpd.map.m_len)  in ext4_writepages()
3440 	map.m_len = last_block - first_block + 1;  in ext4_iomap_begin()
3448 			ext4_lblk_t end = map.m_lblk + map.m_len - 1;  in ext4_iomap_begin()
3458 				map.m_len = es.es_lblk - map.m_lblk;  in ext4_iomap_begin()
3465 				map.m_len = es.es_len - offs;  in ext4_iomap_begin()
3475 		if (map.m_len > DIO_MAX_BLOCKS)  in ext4_iomap_begin()
3476 			map.m_len = DIO_MAX_BLOCKS;  in ext4_iomap_begin()
3477 		dio_credits = ext4_chunk_trans_blocks(inode, map.m_len);  in ext4_iomap_begin()
3509 		if (!(flags & IOMAP_FAULT) && first_block + map.m_len >  in ext4_iomap_begin()
3532 	iomap->length = (u64)map.m_len << blkbits;  in ext4_iomap_begin()