From: Josef Bacik <josef@redhat.com>
Date: Fri, 14 Oct 2011 18:02:10 +0000 (-0400)
Subject: Btrfs: allow shrink_delalloc flush the needed reclaimed pages
X-Git-Tag: v3.2-rc1~21^2~24^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=877da174301dde9062b915da4c8103048be49702;p=pandora-kernel.git

Btrfs: allow shrink_delalloc flush the needed reclaimed pages

Currently we only allow a maximum of 2 megabytes of pages to be flushed at a
time.  This was ok before, but now we have overcommit which will screw us in a
heartbeat if we are quickly filling the disk.  So instead pick either 2
megabytes or the number of pages we need to reclaim to be safe again, which ever
is larger.  Thanks,

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

Reading git-diff-tree failed