Re: [PATCH 1/2] completion: move blk_wait_io to kernel/sched/completion.c

[Christoph Hellwig]

On Wed, Apr 17, 2024 at 08:00:22PM +0200, Mikulas Patocka wrote:
> > > +EXPORT_SYMBOL(wait_for_completion_long_io);
> > 
> > Urgh, why is it a sane thing to circumvent the hang check timer? 
> 
> The block layer already does it - the bios can have arbitrary size, so 
> waiting for them takes arbitrary time.

And as mentioned the last few times around, I think we want a task
state to say that task can sleep long or even forever and not propagate
this hack even further.