[PATCH] nvme-pci: prevent SK Hynix PE8000 from using Write Zeroes command

Christoph Hellwig hch at infradead.org
Wed Feb 10 05:12:29 EST 2021


On Tue, Feb 09, 2021 at 10:29:02AM +0530, Gopal Tiwari wrote:
> For SK Hynix PE8000 WriteZerocommands exceed typical I/O MDTS
> (Maximum Data Transfer Size) supported by the hardware. Which
> intern fail and generate following erros :

Well, if it works under MDTS please add a new quirk that follows
MDTS for Write Zeroes.  In fact I wonder if we should just do
that by default to be on the safe side.



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