From: Christoph Hellwig <hch@lst.de>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>, Theodore Ts'o <tytso@mit.edu>,
John Garry <john.g.garry@oracle.com>,
"Darrick J. Wong" <djwong@kernel.org>,
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 08:00:44 +0200 [thread overview]
Message-ID: <20250715060044.GB18349@lst.de> (raw)
In-Reply-To: <yq1h5ze5hq4.fsf@ca-mkp.ca.oracle.com>
On Mon, Jul 14, 2025 at 11:22:43PM -0400, Martin K. Petersen wrote:
> For PCIe transport devices maybe we could consider adding an additional
> heuristic based on something like PLP or VWC?
What would you check there? Atomic writes work perfectly fine if not
better with volatile write caches.
next prev parent 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
2025-07-15 3:22 ` Martin K. Petersen
2025-07-15 6:00 ` Christoph Hellwig [this message]
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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