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

[Brassow Jonathan]

On Sep 23, 2014, at 11:51 AM, heinzm at redhat.com wrote:

> From: Heinz Mauelshagen <heinzm at redhat.com>
> 
> Support discard in all RAID levels 1,10,4,5 and 6.
> 
> In case of RAID levels 4,5 and 6 we have to check for the capability
> to zero data on discards to avoid stripe data corruption.
> 
> If that capabilizy is missing on any disk in a RAID set,
> we have to disable discards.
> 
> 
> Signed-off-by: Heinz Mauelshagen <heinzm|redhat.com>

Signed-off-by: Jonathan Brassow <jbrassow at redhat.com>

 brassow