From: Christoph Hellwig <hch@lst.de>
To: Niklas Cassel <cassel@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>,
Alan Adamson <alan.adamson@oracle.com>,
John Garry <john.g.garry@oracle.com>,
Keith Busch <kbusch@kernel.org>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Jens Axboe <axboe@kernel.dk>,
linux-nvme@lists.infradead.org, linux-block@vger.kernel.org
Subject: Re: What should we do about the nvme atomics mess?
Date: Tue, 8 Jul 2025 11:48:25 +0200 [thread overview]
Message-ID: <20250708094825.GC27634@lst.de> (raw)
In-Reply-To: <aGznAUVxSl5_Xa3E@ryzen>
On Tue, Jul 08, 2025 at 11:38:09AM +0200, Niklas Cassel wrote:
> But NVMe should probably push to deprecate AUWPF, and introduce a new field
> that is like AUWPF but which is specified in a fixed unit, e.g. bytes or
> CAP.MPSMIN. (I'm thinking of e.g. Zone Append Size Limit (ZASL) which is also
> a per controller limit, but the value is specified in units of CAP.MPSMIN,
> just like the Maximum Data Transfer Size (MDTS).)
There's not advantage in having yet another field vs mandating NAWUPF.
next prev parent reply other threads:[~2025-07-08 9:48 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-07 14:18 What should we do about the nvme atomics mess? Christoph Hellwig
2025-07-07 14:24 ` Keith Busch
2025-07-07 15:26 ` Hannes Reinecke
2025-07-07 15:56 ` Keith Busch
2025-07-07 23:35 ` Chaitanya Kulkarni
2025-07-08 9:47 ` Christoph Hellwig
2025-07-08 15:19 ` Keith Busch
2025-07-08 1:27 ` Ming Lei
2025-07-08 2:27 ` Keith Busch
2025-07-08 2:46 ` Ming Lei
2025-07-08 2:56 ` Keith Busch
2025-07-08 3:17 ` Ming Lei
2025-07-08 9:38 ` Niklas Cassel
2025-07-08 9:48 ` Christoph Hellwig [this message]
2025-07-08 10:08 ` John Garry
2025-07-09 7:51 ` Nilay Shroff
2025-07-09 21:28 ` Keith Busch
2025-07-10 5:07 ` Nilay Shroff
2025-07-10 7:17 ` Christoph Hellwig
2025-10-20 13:42 ` John Garry
2025-10-21 15:02 ` Nilay Shroff
2025-10-22 8:50 ` John Garry
2025-10-22 15:24 ` Nilay Shroff
2025-12-08 12:11 ` Nilay Shroff
2025-12-09 8:26 ` John Garry
2026-01-22 10:06 ` Nilay Shroff
2026-01-22 10:16 ` John Garry
2026-01-26 12:56 ` Christoph Hellwig
2026-01-26 12:58 ` John Garry
2026-01-26 13:01 ` Martin K. Petersen
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