Merge pull request #25545 from zhouyuan/wip-ceph-immutable-obj-cache-daemon

tools: adding ceph level immutable obj cache daemon

Reviewed-by: Jason Dillaman <dillaman@redhat.com>
Reviewed-by: Mykola Golub <mgolub@suse.com>

diff --cc src/common/buffer.cc
Simple merge

diff --cc src/common/options.cc
Simple merge

diff --cc src/common/subsys.h
Simple merge

diff --cc src/include/buffer.h
Simple merge

diff --cc src/test/CMakeLists.txt
Simple merge