[dm-devel] [PATCH] dm-raid: add RAID discard support

[Martin K. Petersen]

>>>>> "Heinz" == heinzm  <heinzm at 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