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From: Christoph Hellwig <hch@lst.de>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>, Theodore Ts'o <tytso@mit.edu>,
	John Garry <john.g.garry@oracle.com>,
	linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org,
	linux-block@vger.kernel.org, linux-nvme@lists.infradead.org
Subject: Re: Do we need an opt-in for file systems use of hw atomic writes?
Date: Tue, 15 Jul 2025 08:00:07 +0200	[thread overview]
Message-ID: <20250715060007.GA18349@lst.de> (raw)
In-Reply-To: <20250714160400.GK2672049@frogsfrogsfrogs>

On Mon, Jul 14, 2025 at 09:04:00AM -0700, Darrick J. Wong wrote:
> Do you want to handle it the same way as we do discard-zeroes-data and
> have a quirks list of devices we trust?  Though I can hardly talk,
> knowing the severe limitations of allowlists vs. product managers trying
> to win benchmarks with custom firmware. :(

I don't think whitelists are a good idea.  I'd expect the admin to
opt into it.


  reply	other threads:[~2025-07-15  6:00 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-14 13:17 Do we need an opt-in for file systems use of hw atomic writes? Christoph Hellwig
2025-07-14 13:24 ` Theodore Ts'o
2025-07-14 13:30   ` Christoph Hellwig
2025-07-14 16:04     ` Darrick J. Wong
2025-07-15  6:00       ` Christoph Hellwig [this message]
2025-07-15  3:22     ` Martin K. Petersen
2025-07-15  6:00       ` Christoph Hellwig
2025-07-15 12:45         ` Martin K. Petersen
2025-07-14 13:39 ` John Garry
2025-07-14 13:50   ` Christoph Hellwig
2025-07-14 15:53     ` John Garry
2025-07-15  6:02       ` Christoph Hellwig
2025-07-15  8:42         ` John Garry
2025-07-15  9:03           ` Christoph Hellwig
2025-08-19 11:42             ` John Garry
2025-08-19 13:39               ` Christoph Hellwig
2025-08-19 14:36                 ` John Garry
2025-08-19 14:43                   ` Darrick J. Wong
2025-08-19 14:45                     ` Christoph Hellwig
2025-08-21 14:01               ` Keith Busch
2025-07-15 10:02         ` Christian Brauner
2025-07-15 11:29           ` Christoph Hellwig
2025-07-15 12:20             ` Christian Brauner
2025-07-15 11:58           ` Theodore Ts'o
2025-07-14 20:53 ` Dave Chinner
2025-07-15  6:05   ` Christoph Hellwig
2025-07-15 20:56 ` Keith Busch
2025-07-16  5:50   ` Nilay Shroff

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