> So bloody punich the vendors for it.  Unlike most of the Linux community
> your actually have purchasing power and you'd help everyone by making
> use of that instead adding hacks to upstream.

Hi Cristoph,
I just want to note that the primitive this patchset introduces would not map
to WRITE ZERO command in NVMe, but to WRITE UNAVAILABLE in 
NVME 2.0 spec, and to UNMAP ANCHORED in SCSI spec.

--Daniil