[PATCHv2] NVMe: Create discard zero quirk white list

[Martin K. Petersen]

>>>>> "Keith" == Keith Busch <keith.busch at intel.com> writes:

Keith> There is no specification defined way to determine device
Keith> behavior on discarded blocks

*sigh*

Keith> We can only know behavior based on individual device models, so
Keith> this patch adds a flag to the NVMe "quirk" list that vendors may
Keith> set if they know their controller works that way. The patch also
Keith> sets the new flag for one such known device.

Reviewed-by: Martin K. Petersen <martin.petersen at oracle.com>

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Martin K. Petersen	Oracle Linux Engineering