From: Yehuda Sadeh <yehuda@hq.newdream.net>
Date: Mon, 21 Mar 2011 22:10:11 +0000 (-0700)
Subject: rbd: use watch/notify for changes in rbd header
X-Git-Tag: v2.6.39-rc1~382^2
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=59c2be1e4d42c0d4949cecdeef3f37070a1fbc13;p=pandora-kernel.git

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>
---

Reading git-diff-tree failed