From: Chris Mason <chris.mason@oracle.com>
Date: Sun, 24 Oct 2010 15:01:27 +0000 (-0400)
Subject: Btrfs: don't loop forever on bad btree blocks
X-Git-Tag: v2.6.37-rc1~19^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cb44921a09221f0a90217b44044448f63190f3e5;p=pandora-kernel.git

Btrfs: don't loop forever on bad btree blocks

When btrfs discovers the generation number in a btree block is
incorrect, it can loop forever without forcing the RAID
code to try a valid mirror, and without returning EIO.

This changes things to properly kick out the EIO.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
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