From: Sage Weil <sage@newdream.net>
Date: Mon, 16 Aug 2010 20:37:31 +0000 (-0700)
Subject: ceph: queue cap snap writeback for realm children on snap update
X-Git-Tag: v2.6.36-rc3~12^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ed326044489ed89c740c50a3df5dffc9c3b20b96;p=pandora-kernel.git

ceph: queue cap snap writeback for realm children on snap update

When a realm is updated, we need to queue writeback on inodes in that
realm _and_ its children.  Otherwise, if the inode gets cowed on the
server, we can get a hang later due to out-of-sync cap/snap state.

Signed-off-by: Sage Weil <sage@newdream.net>
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