On Fri, Oct 26, 2018 at 2:30 PM Bart Van Assche <bvanassche@xxxxxxx> wrote:
>
> On Fri, 2018-10-26 at 14:00 -0700, Nick Desaulniers wrote:
> > On Fri, Oct 26, 2018 at 11:01 AM Bart Van Assche <bvanassche@xxxxxxx> wrote:
> > >
> > > On Fri, 2018-10-26 at 10:54 -0700, Nick Desaulniers wrote:
> > > > If creating one instance of this variable is a functional change, I
> > > > can't help but suspect the original code was wrong. But maybe Bart,
> > > > Boaz, or Christoph can clarify or have more thoughts on this? Looks
> > > > like Boaz added this header in commit de258bf5e638 ("[SCSI] libosd:
> > > > OSDv1 Headers").
> > >
> > > Hi Nick and Nathan,
> > >
> > > Had you noticed the following e-mail from early October:
> > > https://marc.info/?l=linux-kernel&m=153849955503249?
> >
> > From this subthread with Linus, removal of the exofs fs and scsi osd
> > code would be a user visible change and is not an option. See:
> > https://lkml.org/lkml/2018/10/27/3
> > https://lkml.org/lkml/2018/10/27/44
>
> Hi Nick,
>
> Linus wrote that removing a filesystem is considered a userspace breakage
> if a user notices. The key part is "if a user notices". Who are the exofs
> users?
See my thoughts on this in https://lkml.org/lkml/2018/10/27/27.
Particularly the part about the IMO catch 22.
Neither you nor I can claim "there are none."
--
Thanks,
~Nick Desaulniers
