From: Heinz Mauelshagen <mauelshagen@redhat.com>
Date: Fri, 1 Mar 2013 22:45:52 +0000 (+0000)
Subject: dm cache: add cleaner policy
X-Git-Tag: v3.9-rc1~19^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8735a8134786fa4ef36dee65d7fa779b99ba5fe3;p=pandora-kernel.git

dm cache: add cleaner policy

A simple cache policy that writes back all data to the origin.

This is used to decommission a dm cache by emptying it.

Signed-off-by: Heinz Mauelshagen <mauelshagen@redhat.com>
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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