nbitmap            28 mkfs/mkfs.c    int nbitmap = FSSIZE / BPB + 1;
nbitmap            96 mkfs/mkfs.c      nmeta = 2 + nlog + ninodeblocks + nbitmap;
nbitmap           110 mkfs/mkfs.c        nmeta, nlog, ninodeblocks, nbitmap, nblocks, FSSIZE);