Re: very low IOPS due to "block: reduce kblockd_mod_delayed_work_on() CPU consumption"

[Christoph Hellwig]

On Sun, Dec 19, 2021 at 08:28:18AM -0700, Jens Axboe wrote:
> > 
> > Dexuan, can you test this for your test case too? I'm going to queue
> > up a revert for -rc6 just in case.
> 
> This one should be better...

We might just want something like a revert of
9f993737906b30d7b2454a38637d1f70ffd60f2f.

Or just always use a normal work queue for run_work, and then use a
timer to schedule it for the relatively rare delayed case.