Re: Direct I/O

Thomas Munro <thomas.munro@gmail.com> writes:
> On Sun, Apr 9, 2023 at 10:08 AM Andrew Dunstan <andrew@dunslane.net> wrote:
>> btrfs

> Aha!

Googling finds a lot of suggestions that O_DIRECT doesn't play nice
with btrfs, for example

https://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg92824.html

It's not clear to me how much of that lore is still current,
but it's disturbing.

            regards, tom lane