From: Arne Jansen <sensille@gmx.net>
Date: Fri, 12 Nov 2010 23:17:56 +0000 (+0000)
Subject: btrfs: Fix early enospc because 'unused' calculated with wrong sign.
X-Git-Tag: v2.6.37-rc4~6^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6f33434850ed87dc5e56b60ebbad3d3cf405f296;p=pandora-kernel.git

btrfs: Fix early enospc because 'unused' calculated with wrong sign.

'unused' calculated with wrong sign in reserve_metadata_bytes().
This might have lead to unwanted over-reservations.

Signed-off-by: Arne Jansen <sensille@gmx.net>
Reviewed-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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