On Fri, Feb 26, 2021 at 09:45:45AM +0000, ruansy.fnst@xxxxxxxxxxx wrote: > Hi, guys > > Beside this patchset, I'd like to confirm something about the > "EXPERIMENTAL" tag for dax in XFS. > > In XFS, the "EXPERIMENTAL" tag, which is reported in waring message > when we mount a pmem device with dax option, has been existed for a > while. It's a bit annoying when using fsdax feature. So, my initial > intention was to remove this tag. And I started to find out and solve > the problems which prevent it from being removed. > > As is talked before, there are 3 main problems. The first one is "dax > semantics", which has been resolved. The rest two are "RMAP for > fsdax" and "support dax reflink for filesystem", which I have been > working on. <nod> > So, what I want to confirm is: does it means that we can remove the > "EXPERIMENTAL" tag when the rest two problem are solved? Yes. I'd keep the experimental tag for a cycle or two to make sure that nothing new pops up, but otherwise the two patchsets you've sent close those two big remaining gaps. Thank you for working on this! > Or maybe there are other important problems need to be fixed before > removing it? If there are, could you please show me that? That remains to be seen through QA/validation, but I think that's it. Granted, I still have to read through the two patchsets... --D > > Thank you. > > > -- > Ruan Shiyang.