btrfs_init_tree_ref
void btrfs_init_tree_ref(struct btrfs_ref *generic_ref, int level, u64 mod_root,
btrfs_init_tree_ref(&ref, level - 1,
btrfs_init_tree_ref(&generic_ref, btrfs_header_level(buf), 0, false);
btrfs_init_tree_ref(&generic_ref, level, btrfs_root_id(root), false);
btrfs_init_tree_ref(&ref, level - 1, 0, false);
btrfs_init_tree_ref(&ref, level - 1, 0, true);
btrfs_init_tree_ref(&ref, level - 1, 0, true);
btrfs_init_tree_ref(&ref, level - 1, 0, true);
btrfs_init_tree_ref(&ref, level - 1, 0, true);
btrfs_init_tree_ref(&ref, node->level,
btrfs_init_tree_ref(&ref, node_check->owner, node_check->root,
btrfs_init_tree_ref(&ref, FAKE_LEVEL, FAKE_ROOT_OBJECTID, false);
btrfs_init_tree_ref(&ref, FAKE_LEVEL, FAKE_ROOT_OBJECTID, false);