Re: [PATCH 12/23] sd: handle REQ_UNMAP

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"hch@xxxxxx" <hch@xxxxxx> writes:

> 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.

-- 
Martin K. Petersen	Oracle Linux Engineering

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