From 8408c716d7a4ddd5954ce33f53a7d3cd2876cf65 Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Thu, 19 Jun 2014 10:42:55 +0800
Subject: [PATCH] Btrfs: fix wrong error handle when the device is missing or
 is not writeable

The original bio might be submitted, so we shoud increase bi_remaining to
account for it when we deal with the error that the device is missing or
is not writeable, or we would skip the endio handle.

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