From: Tao Ma <tao.ma@oracle.com>
Date: Thu, 3 Dec 2009 13:55:05 +0000 (+0800)
Subject: ocfs2: Handle O_DIRECT when writing to a refcounted cluster.
X-Git-Tag: v2.6.33-rc3~3^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=86470e98cc52532006f47a6cb96d3ebe1ba7ad97;p=pandora-kernel.git

ocfs2: Handle O_DIRECT when writing to a refcounted cluster.

In case of writing to a refcounted cluster with O_DIRECT,
we need to fall back to buffer write. And when it is finished,
we need to flush the page and the journal as we did for other
O_DIRECT writes.

This patch fix oss bug 1191.
http://oss.oracle.com/bugzilla/show_bug.cgi?id=1191

Signed-off-by: Tao Ma <tao.ma@oracle.com>
Tested-by: Tristan Ye <tristan.ye@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
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