From: majianpeng <majianpeng@gmail.com>
Date: Tue, 3 Jul 2012 05:57:02 +0000 (+1000)
Subject: md/raid456: When read error cannot be recovered, record bad block
X-Git-Tag: v3.5-rc6~24^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2e8ac30312973dd20e6807365349ecb1c7e0ea45;p=pandora-kernel.git

md/raid456: When read error cannot be recovered, record bad block

We may not be able to fix a bad block if:
 - the array is degraded
 - the over-write fails.

In these cases we currently eject the device, but we should
record a bad block if possible.

Signed-off-by: majianpeng <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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