Ceph

https://github.com/ceph/ceph/pull/4935

https://github.com/ceph/ceph/pull/4936

https://github.com/ceph/ceph/pull/5195 is a fix for the gitbuilder / bot failure:

 run_mon: 43: ./ceph-mon --id a --mkfs --mon-data=testdir/osd-crush/a --run-dir=testdir/osd-crush/a --public-addr 127.0.0.1:7104
./ceph-mon: renaming mon.noname-a 127.0.0.1:7104/0 to mon.a
./ceph-mon: set fsid to d44c4bcd-c43d-4a0f-b5c2-1aee60666c41
./ceph-mon: created monfs at testdir/osd-crush/a for mon.a
run_mon: 49: ./ceph-mon --id a --mon-osd-full-ratio=.99 --mon-data-avail-crit=1 --paxos-propose-interval=0.1 --osd-crush-chooseleaf-type=0 --osd-pool-default-erasure-code-directory=.libs --debug-mon 20 --debug-ms 20 --debug-paxos 20 --chdir= --mon-data=testdir/osd-crush/a --log-file=testdir/osd-crush/a/log --mon-cluster-log-file=testdir/osd-crush/a/log --run-dir=testdir/osd-crush/a '--pid-file=testdir/osd-crush/a/$name.pid' --public-addr 127.0.0.1:7104
run: 32: TEST_crush_reject_empty testdir/osd-crush
TEST_crush_reject_empty: 192: local dir=testdir/osd-crush
TEST_crush_reject_empty: 193: run_mon testdir/osd-crush a
run_mon: 36: local dir=testdir/osd-crush
run_mon: 37: shift
run_mon: 38: local id=a
run_mon: 39: shift
run_mon: 40: dir+=/a
run_mon: 43: ./ceph-mon --id a --mkfs --mon-data=testdir/osd-crush/a --run-dir=testdir/osd-crush/a
'testdir/osd-crush/a' already exists and is not empty: monitor may already exist
run_mon: 49: ./ceph-mon --id a --mon-osd-full-ratio=.99 --mon-data-avail-crit=1 --paxos-propose-interval=0.1 --osd-crush-chooseleaf-type=0 --osd-pool-default-erasure-code-directory=.libs --debug-mon 20 --debug-ms 20 --debug-paxos 20 --chdir= --mon-data=testdir/osd-crush/a --log-file=testdir/osd-crush/a/log --mon-cluster-log-file=testdir/osd-crush/a/log --run-dir=testdir/osd-crush/a '--pid-file=testdir/osd-crush/a/$name.pid'
2015-07-10 11:06:10.996607 405e2700 -1 asok(0xc69c980) AdminSocketConfigObs::init: failed: AdminSocket::bind_and_listen: failed to bind the UNIX domain socket to 'testdir/osd-crush/a/ceph-mon.a.asok': (17) File exists

    error: IO lock testdir/osd-crush/a/store.db/LOCK: Resource temporarily unavailable 

2015-07-10 11:06:11.031421 405e2700 -1 error opening mon data directory at 'testdir/osd-crush/a': (22) Invalid argument
TEST_crush_reject_empty: 193: return 1