On Sun, May 03, 2020 at 06:42:22PM +0200, Niels Thykier wrote: > Hendrik Boom: > > On Sun, May 03, 2020 at 09:34:34AM +0200, Niels Thykier wrote: > >> [...] > > > > Would that refer to the write battier on the hard drive? Isn't that > > essential to the safe operation of XFS? > > > > -- hendrik > > > > Not any longer AFAICT. The following patch discussion in the Linux > kernel suggests that it was a "no-op" for some time up to its removal: > > * https://patchwork.kernel.org/patch/9486549/
Yes. That tells me that the option was ignored, but write barriers were still used when required for integrity. -- hendrik
