From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Subject: Re: [PATCH] dm-raid: add RAID discard support
Date: Tue, 23 Sep 2014 19:07:35 -0400
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>>>>> "Heinz" == heinzm  <heinzm@redhat.com> writes:

Heinz> In case of RAID levels 4,5 and 6 we have to check for the
Heinz> capability to zero data on discards to avoid stripe data
Heinz> corruption.

I'm quite concerned about relying on discard_zeroes_data since it's a
hint and not a hard guarantee.

-- 
Martin K. Petersen	Oracle Linux Engineering