xfs_allocfree_block_count
overhead = xfs_allocfree_block_count(cur->bc_mp,
xfs_calc_buf_res(xfs_allocfree_block_count(mp, 1),
xfs_calc_buf_res(xfs_allocfree_block_count(mp, 1),
xfs_calc_buf_res(xfs_allocfree_block_count(mp, 1),
xfs_calc_buf_res(xfs_allocfree_block_count(mp, 4),
xfs_calc_buf_res(xfs_allocfree_block_count(mp, 2),
xfs_calc_buf_res(xfs_allocfree_block_count(mp, 1),
res = xfs_calc_buf_res(xfs_allocfree_block_count(mp, 1),
xfs_calc_buf_res(xfs_allocfree_block_count(mp, 2), blksz);
xfs_calc_buf_res(xfs_allocfree_block_count(mp, 1), blksz);
xfs_calc_buf_res(xfs_allocfree_block_count(mp, 2), blksz);
xfs_calc_buf_res(xfs_allocfree_block_count(mp, nr),
xfs_calc_buf_res(xfs_allocfree_block_count(mp, nr),
uint xfs_allocfree_block_count(struct xfs_mount *mp, uint num_ops);