Merge pull request #2217 from ceph/wip-problem-osds

mon: 'ceph osd blocked-by' for histogram of peers OSDs are waiting for

Reviewed-by: Samuel Just <sam.just@inktank.com>

diff --cc qa/workunits/cephtool/test.sh
Simple merge

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

diff --cc src/mon/MonCommands.h
Simple merge

diff --cc src/mon/OSDMonitor.cc
Simple merge

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

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