From: NeilBrown <neilb@suse.de>
Date: Wed, 11 May 2011 04:34:56 +0000 (+1000)
Subject: md/raid1: clean up read_balance.
X-Git-Tag: v3.0-rc1~358^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=76073054c95b12af6bd0cc9b9462a265b45ba38f;p=pandora-kernel.git

md/raid1: clean up read_balance.

read_balance has two loops which both look for a 'best'
device based on slightly different criteria.
This is clumsy and makes is hard to add extra criteria.

So replace it all with a single loop that combines everything.

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