From: Wengang Wang <wen.gang.wang@oracle.com>
Date: Tue, 9 Feb 2010 06:57:45 +0000 (+0800)
Subject: ocfs2: Clean up the checks for CoW and direct I/O.
X-Git-Tag: v2.6.34-rc1~214^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=96a1cc731adb28dc4feb71701091b80e67d486a7;p=pandora-kernel.git

ocfs2: Clean up the checks for CoW and direct I/O.

When ocfs2 has to do CoW for refcounted extents, we disable direct I/O
and go through the buffered I/O path.  This makes the combined check
easier to read.

Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
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