XFS_MAX_CRC_AG_BLOCKS
BUILD_BUG_ON(XFS_MAX_CRC_AG_BLOCKS >= XFS_REFC_COWFLAG);
if (xfs_group_max_blocks(xg) > XFS_MAX_CRC_AG_BLOCKS)
return xfs_btree_compute_maxlevels(minrecs, XFS_MAX_CRC_AG_BLOCKS);
return max(xfs_btree_space_to_height(minrecs, XFS_MAX_CRC_AG_BLOCKS),
max_dblocks *= XFS_MAX_CRC_AG_BLOCKS;