From: NeilBrown <neilb@suse.de>
Date: Thu, 28 Jul 2011 01:39:24 +0000 (+1000)
Subject: md/raid10: avoid writing to known bad blocks on known bad drives.
X-Git-Tag: v3.1-rc1~131^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d4432c23be957ff061f7b23fd60e8506cb472a55;p=pandora-kernel.git

md/raid10: avoid writing to known bad blocks on known bad drives.

Writing to known bad blocks on drives that have seen a write error
is asking for trouble.  So try to avoid these blocks.

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