Z_EROFS_ADVISE_BIG_PCLUSTER_1
bool big_pcluster = vi->z_advise & Z_EROFS_ADVISE_BIG_PCLUSTER_1;
bool bigpcl1 = vi->z_advise & Z_EROFS_ADVISE_BIG_PCLUSTER_1;
if (!(vi->z_advise & (Z_EROFS_ADVISE_BIG_PCLUSTER_1 |
vi->z_advise & (Z_EROFS_ADVISE_BIG_PCLUSTER_1 |
!(vi->z_advise & Z_EROFS_ADVISE_BIG_PCLUSTER_1) ^