From: Joe Thornber <ejt@redhat.com>
Date: Fri, 21 Dec 2012 20:23:32 +0000 (+0000)
Subject: dm persistent data: fix nested btree deletion
X-Git-Tag: v3.8-rc1~3^2~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e3cbf94513c21516fbb44561857b155d1c599625;p=pandora-kernel.git

dm persistent data: fix nested btree deletion

When deleting nested btrees, the code forgets to delete the innermost
btree.  The thin-metadata code serendipitously compensates for this by
claiming there is one extra layer in the tree.

This patch corrects both problems.

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