From e55179b3d7d41d83fd6b5f59325f4a8d8ac9700a Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Thu, 14 Jul 2011 03:16:47 +0000
Subject: [PATCH] Btrfs: check the nodatasum flag when writing compressed files

If mounting with nodatasum option, we won't csum file data for
general write or direct-io write, and this rule should also be
applied when writing compressed files.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Reading git-format-patch failed