Merge pull request #36586 from MahatiC/wip-ssd-integration

librbd/cache: SSD cache integration framework

Reviewed-by: Jason Dillaman <dillaman@redhat.com>

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

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

diff --cc src/librbd/ExclusiveLock.cc
Simple merge

diff --cc src/librbd/exclusive_lock/PreReleaseRequest.cc
Simple merge

diff --cc src/test/librbd/exclusive_lock/test_mock_PreReleaseRequest.cc
Simple merge