Thomas Munro <thomas.mu...@gmail.com> writes: > On Sun, Apr 9, 2023 at 10:08 AM Andrew Dunstan <and...@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