From 62856a9b73860cffe2a3d91b069393b88c219aa6 Mon Sep 17 00:00:00 2001
From: Stefan Behrens <sbehrens@giantdisaster.de>
Date: Tue, 31 Jul 2012 11:09:44 -0600
Subject: [PATCH] Btrfs: detect corrupted filesystem after write I/O errors

In check-integrity, detect when a superblock is written that points
to blocks that have not been written to disk due to I/O write errors.

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
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