From 32d6b47fe6fc1714d5f1bba1b9f38e0ab0ad58a8 Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Thu, 24 Apr 2014 13:31:55 +0800
Subject: [PATCH] Btrfs: output warning instead of error when loading free
 space cache failed

If we fail to load a free space cache, we can rebuild it from the extent tree,
so it is not a serious error, we should not output a error message that
would make the users uncomfortable. This patch uses warning message instead
of it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
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