From: Joe Thornber <ejt@redhat.com>
Date: Fri, 10 May 2013 13:37:19 +0000 (+0100)
Subject: dm thin: detect metadata device resizing
X-Git-Tag: v3.10-rc1~12^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=24347e9595704464f62a4ed8f46abf62b4c79cdd;p=pandora-kernel.git

dm thin: detect metadata device resizing

Allow the dm thin pool metadata device to be extended.

Whenever a pool is resumed, detect whether the size of the metadata
device has increased, and if so, extend the metadata to use the new
space.

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