On Thu, Sep 5, 2024 at 4:58 PM Jens Axboe <axboe@xxxxxxxxx> wrote: > On 9/5/24 7:03 AM, Linus Walleij wrote: > > Which production? For singlequeue devices it is pretty widespread. > > We tried it at one point internally at Meta, and it was not pretty. I didn't know you used any singlequeue devices. If you used it on multiqueue devices, well that can't be recommended. > > Maybe we should propose these rules to the main udev repository > > so that they also go into Debian and we get even wider use? > > I know you like to push for it to be the default, and I always push back > because I don't think it's stable enough for that, and now we have the > added complication that it hasn't been maintained for quite a while. > So no, I don't think so. The reason I like it personally is that it has actually saved me from crashing my machine by preserving interactivity on a (single queue) device: https://people.kernel.org/linusw/bfq-saved-me-from-thrashing For Androids and chromebooks it keeps the device interactive during heavy disk (eMMC) activity, such as when Android updates a pile of apps (.apk files). > There are some bugzilla entries too that never got resolved or moved > very far. Some of those may now be invalid, maybe not. Impossible to > know. OK fair enough, I hear there is a maintainer that will look after it now. Yours, Linus Walleij