On 10/11/18 1:29 PM, Josef Bacik wrote: > Tetsuo brought to my attention that I screwed up the scale_up/scale_down > helpers when I factored out the rq-qos code. We need to wake up all the > waiters when we add slots for requests to make, not when we shrink the > slots. Otherwise we'll end up things waiting forever. This was a > mistake and simply puts everything back the way it was. I'll apply this for 4.19. I haven't hit this in testing, I'm guessing the jitter when going up and down hides the issue. -- Jens Axboe
