From: Josef Bacik <josef@redhat.com>
Date: Wed, 5 Oct 2011 20:35:28 +0000 (-0400)
Subject: Btrfs: take overflow into account in reserving space
X-Git-Tag: v3.2-rc1~21^2~24^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9a82ca659d8bfd99afc0e89bbde2202322df5755;p=pandora-kernel.git

Btrfs: take overflow into account in reserving space

My overcommit stuff can be a little racy when we're filling up the disk with
fs_mark and we overcommit into things that quickly get used up for data.  So use
num_bytes to see if we have enough available space so we're less likely to
overcommit ourselves out of the ability to make reservations.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
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