From: Josef Bacik <jbacik@fb.com>
Date: Wed, 18 Feb 2015 16:06:57 +0000 (-0800)
Subject: Btrfs: reserve space for block groups
X-Git-Tag: omap-for-v4.1/fixes-rc1~43^2~37
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cb723e491955ac11a1591ae25cada7c3b1470609;p=pandora-kernel.git

Btrfs: reserve space for block groups

This changes our delayed refs calculations to include the space needed
to write back dirty block groups.

Signed-off-by: Chris Mason <clm@fb.com>
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