Merge pull request #37720 from ifed01/wip-ifed-alloc-tool-fixes

os/bluestore: some minor fixes/improvements for allocator's stats inquiries

Reviewed-by: Adam Kupczyk <akupczyk@redhat.com>

diff --cc src/os/bluestore/bluestore_tool.cc
index e3470385b8ba698c0e7fb467a4384e4b18ea99d3,d9c211d29bd266735258814f1585a1dad966ef40..967e3beca038e73aec778787e860848942d931ca
--- 1/src/os/bluestore/bluestore_tool.cc
--- 2/src/os/bluestore/bluestore_tool.cc
+++ b/src/os/bluestore/bluestore_tool.cc
@@@ -326,9 -274,9 +326,10 @@@ int main(int argc, char **argv
          "bluefs-log-dump, "
          "free-dump, "
          "free-score, "
+         "free-fragmentation, "
          "bluefs-stats, "
 -        "reshard")
 +        "reshard, "
 +        "show-sharding")
      ;
    po::options_description po_all("All options");
    po_all.add(po_options).add(po_positional);