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From: Christoph Hellwig <hch@infradead.org>
To: John Garry <john.g.garry@oracle.com>
Cc: Christoph Hellwig <hch@infradead.org>,
	Chaitanya Kulkarni <chaitanyak@nvidia.com>,
	"alan.adamson@oracle.com" <alan.adamson@oracle.com>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>
Subject: Re: Issue with AWUPF when using multiple controllers in a subsystem
Date: Thu, 10 Apr 2025 02:19:40 -0700	[thread overview]
Message-ID: <Z_eNLCn_e1vFOu9m@infradead.org> (raw)
In-Reply-To: <34d750b4-88b0-4e4d-8545-3550175529aa@oracle.com>

On Thu, Apr 10, 2025 at 10:09:53AM +0100, John Garry wrote:
> This, combined with no dedicated NVMe command to issue a write atomically
> (which could error for out-of-limits size/crossing boundary), is pretty
> concerning.

Agreed.  Given that Oracle is actually a major user of NVMe, can you
bring that to the working group's attention?  That works much better
than a random Linux maintainer.

> As an aside, I found the scope of the boundary definition to be quite vague
> as well.

It used to be really horrible, but got a major rework for multiple
atomicy in NVMe 2.2 (or was it 2.1?).  Which version did you check?


  reply	other threads:[~2025-04-10 11:16 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-04 22:42 Issue with AWUPF when using multiple controllers in a subsystem alan.adamson
2025-04-08 21:08 ` Chaitanya Kulkarni
2025-04-09  9:01   ` Christoph Hellwig
2025-04-10  9:09     ` John Garry
2025-04-10  9:19       ` Christoph Hellwig [this message]
2025-04-10 10:11         ` John Garry
2025-04-08 21:08 ` Chaitanya Kulkarni
2025-04-09  9:05 ` Christoph Hellwig
2025-04-10  1:33   ` Chaitanya Kulkarni
2025-04-10  8:32     ` Christoph Hellwig
2025-04-10  9:07       ` Keith Busch
2025-04-10  9:17         ` Christoph Hellwig

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