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From: Christoph Hellwig <hch@lst.de>
To: Keith Busch <kbusch@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>,
	Kanchan Joshi <joshi.k@samsung.com>,
	axboe@kernel.dk, martin.petersen@oracle.com, sagi@grimberg.me,
	linux-nvme@lists.infradead.org, bvanassche@acm.org,
	javier.gonz@samsung.com, gost.dev@samsung.com,
	Hui Qi <hui81.qi@samsung.com>,
	Nitesh Shetty <nj.shetty@samsung.com>
Subject: Re: [PATCH v3] nvme: enable FDP support
Date: Tue, 2 Jul 2024 17:36:31 +0200	[thread overview]
Message-ID: <20240702153631.GA534@lst.de> (raw)
In-Reply-To: <ZoQZelWxFIiG5u4h@kbusch-mbp>

On Tue, Jul 02, 2024 at 09:15:06AM -0600, Keith Busch wrote:
> My first concern for applying something like this is what kind of
> maintenance burdens does this create, or any potential harm to users who
> don't subscribe to the feature? Nothing here looks alarming to me, and
> there is a clear demand to be able to access these features like this.
> Maybe it works out for some workloads, maybe it doesn't, but I don't see
> a need to block this at this point.

We're just abusing the interface, and giving how badly designed and
intentionally Linux-hostile it was I see no point.

If Samsung and Meta care enough about good Linux I/O temperature hint
support we'll get what we want in the technical working group, please
help working on that!


  reply	other threads:[~2024-07-02 15:36 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20240702103348epcas5p1015eafbddf4795558843cd74b0453b12@epcas5p1.samsung.com>
2024-07-02 10:26 ` [PATCH v3] nvme: enable FDP support Kanchan Joshi
2024-07-02 11:39   ` Christoph Hellwig
2024-07-02 15:15     ` Keith Busch
2024-07-02 15:36       ` Christoph Hellwig [this message]
2024-07-02 15:49         ` Jens Axboe
2024-07-02 15:51           ` Christoph Hellwig
2024-07-03  8:40     ` Kanchan Joshi
2024-07-03 15:08       ` Christoph Hellwig

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