On Wed 15-06-22 11:00:26, Guenter Roeck wrote: > On Wed, Jun 15, 2022 at 03:38:45PM +0200, Jan Kara wrote: > > 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? > > > > It does for me. Thanks for confirmation! I'll send the patch with proper tags etc. and also push it to Linus if nobody objects. Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR
