Re: [PATCH 00/13] Pass data temperature information to zoned UFS devices

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On 9/21/23 00:46, Niklas Cassel wrote:
Considering that this API (F_GET_FILE_RW_HINT / F_SET_FILE_RW_HINT) was previously only used by NVMe (NVMe streams).

That doesn't sound correct to me. I think support for this API was added
in F2FS in November 2017 (commit 4f0a03d34dd4 ("f2fs: apply write hints
to select the type of segments for buffered write")). That was a few
months after NVMe stream support was added (June 2017) by commit
f5d118406247 ("nvme: add support for streams and directives").

Should NVMe streams be brought back? Yes? No?

From commit 561593a048d7 ("Merge tag 'for-5.18/write-streams-2022-03-18'
of git://git.kernel.dk/linux-block"): "This removes the write streams
support in NVMe. No vendor ever really shipped working support for this,
and they are not interested in supporting it."

I do not want to reopen the discussion about NVMe streams.

Thanks,

Bart.



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