On Tue, Jun 18, 2019 at 02:52:21PM +0800, Gao Xiang wrote: > > > On 2019/6/18 14:45, Greg Kroah-Hartman wrote: > > On Tue, Jun 18, 2019 at 02:18:00PM +0800, Gao Xiang wrote: > >> > >> > >> On 2019/6/18 13:47, Greg Kroah-Hartman wrote: > >>> On Tue, Jun 18, 2019 at 09:47:08AM +0800, Gao Xiang wrote: > >>>> > >>>> > >>>> On 2019/6/18 4:36, Greg Kroah-Hartman wrote: > >>>>> On Sat, Jun 15, 2019 at 02:16:11AM +0800, Gao Xiang wrote: > >>>>>> At last, this is RFC patch v1, which means it is not suitable for > >>>>>> merging soon... I'm still working on it, testing its stability > >>>>>> these days and hope these patches get merged for 5.3 LTS > >>>>>> (if 5.3 is a LTS version). > >>>>> > >>>>> Why would 5.3 be a LTS kernel? > >>>>> > >>>>> curious as to how you came up with that :) > >>>> > >>>> My personal thought is about one LTS kernel one year... > >>>> Usually 5 versions after the previous kernel...(4.4 -> 4.9 -> 4.14 -> 4.19), > >>>> which is not suitable for all historical LTSs...just prepare for 5.3... > >>> > >>> I try to pick the "last" kernel that is released each year, which > >>> sometimes is 5 kernels, sometimes 4, sometimes 6, depending on the > >>> release cycle. > >>> > >>> So odds are it will be 5.4 for the next LTS kernel, but we will not know > >>> more until it gets closer to release time. > >> > >> Thanks for kindly explanation :) > >> > >> Anyway, I will test these patches, land to our commerical products and try the best > >> efforts on making it more stable for Linux upstream to merge. > > > > Sounds great. > > > > But why do you need to add compression to get this code out of staging? > > Why not move it out now and then add compression and other new features > > to it then? > > Move out of staging could be over several linux versions since I'd like to get > majority fs people agreed to this. You never know until you try :) > Decompression inplace is an important part of erofs to show its performance > benefits over existed compress filesystems and I tend to merge it in advance. There is no requirement to show benefits over other filesystems in order to get it merged, but I understand the feeling. That's fine, we can wait, we are not going anywhere... thanks, greg k-h
