Estimate the size of the metadata device needed for a given configuration.

Usage: cache_metadata_size [OPTIONS] <--device-size <SIZE> --block-size <SIZE> | --nr-blocks <NUM>>

Options:
      --block-size <SIZE[bskmg]>     Specify the size of each cache block
      --device-size <SIZE[bskmgtp]>  Specify total size of the fast device used in the cache
  -h, --help                         Print help
      --max-hint-width <BYTES>       Specity the per-block hint width [default: 4]
  -n, --numeric-only[=<OPT>]         Output numeric value only
      --nr-blocks <NUM>              Specify the number of cache blocks
  -u, --unit <UNIT>                  Specify the output unit in {bskKmMgG} [default: sector]
  -V, --version                      Print version