Messages in this thread | | | Subject | Re: [PATCH BUGFIX/IMPROVEMENT 0/4] bfq: two fixes and one improvement related to I/O control | From | Paolo Valente <> | Date | Fri, 17 Aug 2018 18:21:57 +0200 |
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> Il giorno 16 ago 2018, alle ore 21:10, Jens Axboe <axboe@kernel.dk> ha scritto: > > On 8/16/18 10:51 AM, Paolo Valente wrote: >> Hi Jens, >> >> while working a little bit on cgroups I/O control, I found two nasty >> bugs in bfq. They break bandwidth control in simple configurations >> with one-process groups. These bugs are fixed by the first two patches >> in this series. >> >> These fixes improved I/O control so much, that I could reduce the >> write overcharge factor, used by bfq to counter write-induced >> issues. This reduction is performed by the third patch. >> >> The fourth patch contains a little code improvement I made in a >> function that has to do with I/O control. >> >> I hope we are still in time for 4.19. > > Patches look fine to me. You are in fact several weeks late for 4.19, I > need to have anything that's going in to 4.19 by -rc6 or -rc7 time > (depending on whether we have an -rc8 or not). This is to ensure that it > gets plenty of time in linux-next as well. I've queued up patches this > time (since they were small), but please send them in in due time next > time. >
Thanks for your patience. Next time I'll respect due time.
Paolo
> -- > Jens Axboe >
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