> > > > Hi Jens, > > > > The "upstream first" policy applies to the Android kernel (see also > > https://arstechnica.com/gadgets/2021/09/android-to-take-an-upstream- > first-development-model-for-the-linux-kernel/). > > If anyone requests inclusion in the Android kernel tree of a patch > > that is not upstream, that request is rejected unless a very strong > > reason can be provided why it should be included in the Android kernel > > only instead of being sent upstream. It is not clear to me why the > > patch Bean mentioned is not upstream nor in the upstream Android > > kernel tree. > > > > From a UFS vendor I received the feedback that the F2FS write hint > > information helps to reduce write amplification significantly. If the > > write hint information is retained in the upstream kernel I can help > > with making sure that the UFS patch mentioned above is integrated in > > the upstream Linux kernel. > > I'm really not that interested at this point, and I don't want to gate removal or > inclusion of code on some potential future event that may never happen. > > That doesn't mean that the work and process can't continue on the Android > front, the only difference is what the baseline kernel looks like for the > submitted patchset. > > Hence I do think we should go ahead as planned, and then we'll just revisit > the topic if/when some actual code comes up. > We also supports Samsung & Micron approach and sorry to see that this functionality has been removed. Cheers, Avi > -- > Jens Axboe >