tree 919f191a2f2840b510dce246210564bf45200616
parent a40c4f10e3fb96030358e49abd010c1f08446fa3
author Yehuda Sadeh <yehuda@hq.newdream.net> 1300745411 -0700
committer Sage Weil <sage@newdream.net> 1300818836 -0700

rbd: use watch/notify for changes in rbd header

Send notifications when we change the rbd header (e.g. create a snapshot)
and wait for such notifications.  This allows synchronizing the snapshot
creation between different rbd clients/rools.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>