Merge pull request #30061 from xiexingguo/wip-sparse-read

os, osd: readv

Reviewed-by: Sage Weil <sage@redhat.com>

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

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

diff --cc src/os/ObjectStore.h
Simple merge

diff --cc src/os/bluestore/BlueStore.cc
Simple merge

diff --cc src/osd/PrimaryLogPG.cc
Simple merge

diff --cc src/osd/ReplicatedBackend.cc
Simple merge