On 2/21/25 10:02 AM, Mike Snitzer wrote: > On Thu, Feb 20, 2025 at 01:17:42PM -0500, Chuck Lever wrote: >> * It might be argued that putting these experimental tunables under /sys >> eliminates the support longevity question, since there aren't strict >> rules about removing files under /sys. > > Right, I do think a sysfs knob (that defaults to disabled, requires > user opt-in) is a pretty useful and benign means to expose > experimental functionality. Seems like we want to figure out a blessed way to add this kind of experimental "hidden" tunable in a way that can be easily removed once we have the answers we need. I'd really like to keep the documented administrative interface as straightforward as possible, but I agree that having a way to experiment is valuable. -- Chuck Lever
