alloconce
zinodes2 = alloconce(newsb->fs_ipg * sizeof(*zinodes2),
zinodes1 = alloconce(newsb->fs_ipg * sizeof(*zinodes1),
cgp = alloconce((newsb->fs_ncg - oldsb->fs_ncg) * cgblksz,
blkmove = alloconce(oldsb->fs_size * sizeof(*blkmove), "blkmove");
inodes = alloconce(oldsb->fs_ncg * oldsb->fs_ipg *
iflags = alloconce(oldsb->fs_ncg * oldsb->fs_ipg, "inode flags");
inomove = alloconce(oldsb->fs_ipg * oldsb->fs_ncg * sizeof(*inomove),
cgp = alloconce(oldsb->fs_ncg * cgblksz, "cgs");