Merge pull request #40692 from singuliere/wip-50240-pacific

pacific: Warning Cleanup and Clang Compile Fix

Reviewed-by: Kefu Chai <kchai@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@redhat.com>

diff --cc src/rgw/rgw_crypt.cc
Simple merge

diff --cc src/rgw/rgw_datalog.cc
Simple merge

diff --cc src/rgw/rgw_file.cc
Simple merge

diff --cc src/rgw/rgw_rest_s3.cc
Simple merge

diff --cc src/test/librados/service.cc
Simple merge