On Tue, Apr 11, 2023 at 2:31 PM Thomas Munro <thomas.munro@gmail.com> wrote:
> I tried to find out what POSIX says about this
(But of course whatever it might say is of especially limited value
when O_DIRECT is in the picture, being completely unstandardised.
Really I guess all they meant was "if you *copy* something that's
moving, who knows which bits you'll copy"... not "your data might be
incinerated with lasers".)