From: Miao Xie <miaox@cn.fujitsu.com>
Date: Mon, 4 Nov 2013 15:13:24 +0000 (+0800)
Subject: Btrfs: don't wait for all the async delalloc when shrinking delalloc
X-Git-Tag: v3.13-rc1~85^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9f3a074d108810139ad4af49a29d347a4cf41e9a;p=pandora-kernel.git

Btrfs: don't wait for all the async delalloc when shrinking delalloc

It was very likely that there were lots of async delalloc pages in the
filesystem, if we waited until all the pages were flushed, we would be
blocked for a long time, and the performance would also drop down.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
---

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