[PATCH blktests] block tests: nvme metadata passthrough

[Anuj gupta]

On Sat, Jun 7, 2025 at 6:25 PM Shinichiro Kawasaki
<shinichiro.kawasaki at wdc.com> wrote:
>
> On Jun 05, 2025 / 17:30, Keith Busch wrote:
> > From: Keith Busch <kbusch at kernel.org>
> >
> > Get more coverage on nvme metadata passthrough. Specifically in this
> > test, read-only metadata is targeted as this had been a gap in previous
> > test coveraged.
>
> Thanks for the patch. I ran the test case on the kernel v6.15, and it passed.
> Is this pass result expected? I guess this test case intends to extend test
> coverage, and does not intend to recreate the failure reported in the Link.
> So, I'm guessing the test case should pass with v6.15 kernel.

As Keith mentioned in that thread [1], this test can catch the issue
only in the more unusual or corner-case configurations.

Additionally, if your NVMe device is not formatted with protection
information, the test will exit early and report success, as the
integrity path won't be exercised in that case.

[1] https://lore.kernel.org/linux-block/aD-J9mzq_bJe26rD@kbusch-mbp/