3447 	struct extent_buffer *split;  in split_node()  local
3483 	split = btrfs_alloc_tree_block(trans, root, 0, root->root_key.objectid,  in split_node()
3485 	if (IS_ERR(split))  in split_node()
3486 		return PTR_ERR(split);  in split_node()
3490 	memset_extent_buffer(split, 0, 0, sizeof(struct btrfs_header));  in split_node()
3491 	btrfs_set_header_level(split, btrfs_header_level(c));  in split_node()
3492 	btrfs_set_header_bytenr(split, split->start);  in split_node()
3493 	btrfs_set_header_generation(split, trans->transid);  in split_node()
3494 	btrfs_set_header_backref_rev(split, BTRFS_MIXED_BACKREF_REV);  in split_node()
3495 	btrfs_set_header_owner(split, root->root_key.objectid);  in split_node()
3496 	write_extent_buffer(split, root->fs_info->fsid,  in split_node()
3498 	write_extent_buffer(split, root->fs_info->chunk_tree_uuid,  in split_node()
3499 			    btrfs_header_chunk_tree_uuid(split),  in split_node()
3502 	ret = tree_mod_log_eb_copy(root->fs_info, split, c, 0,  in split_node()
3508 	copy_extent_buffer(split, c,  in split_node()
3512 	btrfs_set_header_nritems(split, c_nritems - mid);  in split_node()
3517 	btrfs_mark_buffer_dirty(split);  in split_node()
3519 	insert_ptr(trans, root, path, &disk_key, split->start,  in split_node()
3526 		path->nodes[level] = split;  in split_node()
3529 		btrfs_tree_unlock(split);  in split_node()
3530 		free_extent_buffer(split);  in split_node()
4175 	int split;  in split_leaf()  local
4215 	split = 1;  in split_leaf()
4226 				split = 0;  in split_leaf()
4234 					split = 2;  in split_leaf()
4242 				split = 0;  in split_leaf()
4252 					split = 2;  in split_leaf()
4258 	if (split == 0)  in split_leaf()
4283 	if (split == 0) {  in split_leaf()
4310 	if (split == 2) {  in split_leaf()