From: Jonathan Brassow <jbrassow@redhat.com>
Date: Thu, 31 Jan 2013 16:52:30 -0600
Subject: [PATCH 0 of 3]: Improve status (attribute) reporting of RAID LVs via 'lvs'
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I have a set of three patches that should improve the accuracy of the
'attr' field of 'lvs' when reporting on RAID logical volumes.

1) New lv_raid_dev_health() function:
   Provides a clean interface for RAID to get kernel status
2) Cached lv_raid_dev_health results:
   A suggested optimization, but isn't necessary.
3) Improved attribute reporting of RAID LVs via 'lvs'
   Fixes bz903249 and other complaints

 brassow