xfs_da3_blk_link
error = xfs_da3_blk_link(state, oldblk, newblk);
error = xfs_da3_blk_link(state, oldblk, newblk);
int xfs_da3_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk,
error = xfs_da3_blk_link(state, oldblk, newblk);