Do we need an opt-in for file systems use of hw atomic writes?

Christoph Hellwig hch at lst.de
Tue Aug 19 07:45:45 PDT 2025


On Tue, Aug 19, 2025 at 07:43:47AM -0700, Darrick J. Wong wrote:
> What is the likelihood of convincing the nvme standards folks to add a
> new command for write-untorn that doesn't just silently fail if you get
> the parameters wrong?

In my experience that depends mostly on how much a big customers for
NVMe hardware is asking for it.  Hint:  while Oracle isn't in the
absolute top tier of the influence scale it probably is just below.




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