From: Tao Ma <tao.ma@oracle.com>
Date: Tue, 18 Aug 2009 03:43:17 +0000 (+0800)
Subject: ocfs2: Add CoW support for xattr.
X-Git-Tag: v2.6.32-rc1~173^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=492a8a33e1cb966fa0b5756c5fc11d30c8f8848e;p=pandora-kernel.git

ocfs2: Add CoW support for xattr.

In order to make 2 transcation(xattr and cow) independent with each other,
we CoW the whole xattr out in case we are setting them.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
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