From: Liu Bo <liubo2009@cn.fujitsu.com>
Date: Thu, 29 Mar 2012 13:57:45 +0000 (-0400)
Subject: Btrfs: update to the right index of defragment
X-Git-Tag: v3.4-rc1~22^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e1f041e14cfb322f41f41a308bfede00f1b080cd;p=pandora-kernel.git

Btrfs: update to the right index of defragment

When we use autodefrag, we forget to update the index which indicates
the last page we've dirty.  And we'll set dirty flags on a same set of
pages again and again.

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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