On Thu, Aug 21, 2025 at 10:42:13AM +0200, Christoph Hellwig wrote: > On Wed, Aug 20, 2025 at 11:40:36AM +0200, Christian Brauner wrote: > > I meant something like this which should effectively be the same thing > > just that we move the burden of having to use two bits completely into > > file->f_iocb_flags instead of wasting a file->f_mode bit: > > Yeah, that could work. But I think the double use of f_iocb_flags is > a bit confusing. Another option at least for this case would be to > have a FOP_ flag, and then check inside the operation if it is supported > for this particular instance. Do you want to try something like that? Maybe we can do this for other FMODE_*-based IOCB_* opt{in,outs}?