1578 			    u64 bytenr, u64 num_bytes)  argument
1609 	if (num_bytes != btrfs_file_extent_disk_num_bytes(leaf, fi)) {
1637 	u64 num_bytes;  local
1665 		num_bytes = btrfs_file_extent_disk_num_bytes(leaf, fi);
1703 				       bytenr, num_bytes);
1717 					   num_bytes, parent,
1725 		ret = btrfs_free_extent(trans, root, bytenr, num_bytes,
2270 	u64 num_bytes = 0;  local
2280 		num_bytes = rc->merging_rsv_size;
2281 		ret = btrfs_block_rsv_add(root, rc->block_rsv, num_bytes,
2291 						rc->block_rsv, num_bytes);
2296 		if (num_bytes != rc->merging_rsv_size) {
2299 						rc->block_rsv, num_bytes);
2565 	u64 num_bytes = 0;  local
2576 			num_bytes += rc->extent_root->nodesize;
2588 	return num_bytes;
2596 	u64 num_bytes;  local
2600 	num_bytes = calcu_metadata_size(rc, node, 1) * 2;
2603 	rc->reserved_bytes += num_bytes;
2604 	ret = btrfs_block_rsv_refill(root, rc->block_rsv, num_bytes,
3022 	u64 num_bytes;  local
3042 		num_bytes = end + 1 - start;
3044 						num_bytes, num_bytes,