btrfs_add_link
int btrfs_add_link(struct btrfs_trans_handle *trans,
ret = btrfs_add_link(trans, BTRFS_I(dir), BTRFS_I(inode), name,
ret = btrfs_add_link(trans, BTRFS_I(dir), BTRFS_I(inode),
ret = btrfs_add_link(trans, BTRFS_I(new_dir), BTRFS_I(old_inode),
ret = btrfs_add_link(trans, BTRFS_I(old_dir), BTRFS_I(new_inode),
ret = btrfs_add_link(trans, BTRFS_I(new_dir), BTRFS_I(old_inode),
ret = btrfs_add_link(trans, dir, inode, &name, 0, ref_index);
ret = btrfs_add_link(trans, dir, inode, name, 1, index);