thin_trim - Issue discard requests for free pool space (offline tool).

       Joe Thornber <ejt@redhat.com>

System Manager's Manual                        Device Mapper Tools                                  thin_trim(8)

thin_trim sends discard requests to the pool device for unprovisioned areas.

       This tool cannot be run on live metadata.

thin_trim - Issue discard requests for free pool space (offline tool).

-h,--help
              Print help and exit.

       -V,--version
              Print version information and exit.

thin_dump(8), thin_repair(8), thin_restore(8), thin_rmap(8), thin_metadata_size(8)

thin_trim [options] --metadata-dev {device|file} --data-dev {device|file}