Re: [PATCH 2/2] fs: remove fs.f_write_hint

Christoph Hellwig
2022-03-14T08:05:23Z

On Sun, Mar 13, 2022 at 01:05:55AM +0000, Al Viro wrote:
> On Mon, Mar 07, 2022 at 11:47:01AM +0100, Christoph Hellwig wrote:
> > The value is now completely unused except for reporting it back through
> > the F_GET_FILE_RW_HINT ioctl, so remove the value and the two ioctls
> > for it.
>
> Obvious question - which userland code issues these ioctls? I obviously
> like the series, but...

The only places I've ever found are fio and ceph. Despite all the noise
about Android, the google code search for Android does not actually find
a user there.