From: Qu Wenruo <quwenruo@cn.fujitsu.com>
Date: Thu, 16 Apr 2015 06:34:17 +0000 (+0800)
Subject: btrfs: qgroup: Record possible quota-related extent for qgroup.
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~69^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3368d001ba5df44930d986e82b1b497d4da285ba;p=pandora-kernel.git

btrfs: qgroup: Record possible quota-related extent for qgroup.

Add hook in add_delayed_ref_head() to record quota-related extent record
into delayed_ref_root->dirty_extent_record rb-tree for later qgroup
accounting.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
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