Re: [PATCH 5.15 000/251] 5.15.47-rc2 review

[Jan Kara]

 On Wed 15-06-22 13:00:22, Jan Kara wrote:
> On Tue 14-06-22 12:00:22, Linus Torvalds wrote:
> > On Tue, Jun 14, 2022 at 11:51 AM Linus Torvalds
> > <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> > >
> > > Or just make sure that noop_backing_dev_info is fully initialized
> > > before it's used.
> > 
> > I don't see any real reason why that
> > 
> >     err = bdi_init(&noop_backing_dev_info);
> > 
> > couldn't just be done very early. Maybe as the first call in
> > driver_init(), before the whole devtmpfs_init() etc.
> 
> I've checked the dependencies and cgroups (which are the only non-trivial
> dependency besides per-CPU infrastructure) are initialized early enough so
> it should work fine. So let's try that.

Attached patch boots for me. Guys, who was able to reproduce the failure: Can
you please confirm this patch fixes your problem?

								Honza
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR