MAX_COMPRESSION_CLUSTER_SIZE
&& (ni->vol->cluster_size <= MAX_COMPRESSION_CLUSTER_SIZE)
&& (ni->vol->cluster_size <= MAX_COMPRESSION_CLUSTER_SIZE))
&& (na->ni->vol->cluster_size <= MAX_COMPRESSION_CLUSTER_SIZE)
&& (dir_ni->vol->cluster_size <= MAX_COMPRESSION_CLUSTER_SIZE)