Merge pull request #18124 from amitkumar50/cleanup-Min-Max

cleanup: Replacing MIN,MAX with std::min,std::max

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

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

diff --cc src/mds/CInode.cc
Simple merge

diff --cc src/mds/Locker.cc
Simple merge

diff --cc src/mds/MDCache.cc
Simple merge

diff --cc src/osd/PG.h
Simple merge