Merge pull request #10341 from dillaman/wip-16223

rbd-mirror: reduce memory footprint during journal replay

Reviewed-by: Mykola Golub <mgolub@mirantis.com>

diff --cc qa/workunits/rbd/rbd_mirror_helpers.sh
Simple merge

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

diff --cc src/test/librbd/fsx.cc
Simple merge

diff --cc src/test/librbd/journal/test_Entries.cc
Simple merge

diff --cc src/tools/rbd/action/Journal.cc
Simple merge

diff --cc src/tools/rbd_mirror/ImageReplayer.cc
Simple merge

diff --cc src/tools/rbd_mirror/image_replayer/BootstrapRequest.cc
Simple merge