qa/workunits/rbd/qemu-iotests: touch common.env

This seems to be necessary on trusty.

Backport: firefly, dumpling
Signed-off-by: Sage Weil <sage@redhat.com>
doc: add notes on using "ceph fs new"

Signed-off-by: John Spray <john.spray@redhat.com>
Merge pull request #2280 from ceph/wip-fs-docs

doc: add notes on using "ceph fs new"

Reviewed-by: Sage Weil <sage@redhat.com>
doc/release-notes: v0.84

Signed-off-by: Sage Weil <sage@redhat.com>
doc: Move wireshark documentation to dev.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
doc: Removed quick guide and wireshark from top-level IA.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
crush: Avoid ruleset overflow.

Add check to avoid ruleset of struct crush_rule_mask overflow.

Reviewed-by: Sage Weil <sage@redhat.com>
Signed-off-by: Ma Jianpeng <jianpeng.ma@intel.com>