From: Ilya Dryomov <idryomov@gmail.com>
Date: Mon, 21 Jan 2013 13:15:56 +0000 (+0200)
Subject: Btrfs: fix a regression in balance usage filter
X-Git-Tag: v3.8-rc5~1^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a105bb88f46b60de2adf1ee98745bd59362b09ab;p=pandora-kernel.git

Btrfs: fix a regression in balance usage filter

Commit 3fed40cc ("Btrfs: cleanup duplicated division functions"), which
was merged into 3.8-rc1, has introduced a regression by removing logic
that was guarding us against bad user input.  Bring it back.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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