On Thu, Mar 30, 2017 at 10:19:55PM -0400, Martin K. Petersen wrote: > > If you manually change the provisioning mode to WS10 on a device that > > must use WRITE SAME (16) to be able to address all blocks you're already > > screwed right now, and with this patch you can screw yourself through > > the WRITE_ZEROES path in addition to the DISCARD path. > > Oh, I see. We only had the LBA sanity check in place for write same, not > for discard. And btw, I'd be happy to add such a check, I'd just rather keep it out of this patch. It might be a good idea if you give it a turn after this series given that you have all the devices that have weird provisioning modes while I don't..