Re: [PATCH] fat: Add nobarrier to workaround the strange behavior of device

From: Christoph Hellwig
Date: Fri Jun 28 2019 - 12:02:34 EST


On Sat, Jun 29, 2019 at 12:03:46AM +0900, OGAWA Hirofumi wrote:
> I see, sounds like good though. Does it work for all stable versions?
> Can it disable only flush command without other effect? And it would be
> better to be normal user controllable easily.

The option was added in 2.6.17, so it's been around forever. But
no, it obviously is not user exposed as using it on a normal drive
can lead to data loss.