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,
2272 	u64 num_bytes = 0;  local
2282 		num_bytes = rc->merging_rsv_size;
2283 		ret = btrfs_block_rsv_add(root, rc->block_rsv, num_bytes,
2293 						rc->block_rsv, num_bytes);
2298 		if (num_bytes != rc->merging_rsv_size) {
2301 						rc->block_rsv, num_bytes);
2566 	u64 num_bytes = 0;  local
2577 			num_bytes += rc->extent_root->nodesize;
2589 	return num_bytes;
2597 	u64 num_bytes;  local
2601 	num_bytes = calcu_metadata_size(rc, node, 1) * 2;
2604 	rc->reserved_bytes += num_bytes;
2605 	ret = btrfs_block_rsv_refill(root, rc->block_rsv, num_bytes,
3028 	u64 num_bytes;  local
3048 		num_bytes = end + 1 - start;
3050 						num_bytes, num_bytes,