From: Liu Bo <bo.li.liu@oracle.com>
Date: Wed, 22 May 2013 12:07:06 +0000 (+0000)
Subject: Btrfs: check if leaf's parent exists before pushing items around
X-Git-Tag: v3.11-rc1~70^2~45
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=33157e05dbd60c3edd30b56d4dfc7755cae787c5;p=pandora-kernel.git

Btrfs: check if leaf's parent exists before pushing items around

During splitting a leaf, pushing items around to hopefully get some space only
works when we have a parent, ie. we have at least one sibling leaf.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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