On 10/29/2021 6:44 PM, Dan Williams wrote: > On Fri, Oct 29, 2021 at 5:19 PM Jane Chu <jane.chu@xxxxxxxxxx> wrote: >> >> Hi, Dan, >> >> I think we're still using _COMPAT, but likely don't need to. > > Ugh, really? I hope not, that would be unfortunate. Perhaps are you > using libndctl / libdaxctl rather than going to /sys/class/dax > directly? Those have shipped backwards compatibility for a while now, > so applications using those libraries should not notice the switch to > the /sys/bus/dax ABI. The only other open source application I could > find that had /sys/class/dax dependencies was fio, but I fixed that up > years ago as well. Yup, we use libndctl / libdaxctl, so the removal likely is okay. > > > What is your patch based on? > > This is based on a branch I have with Christoph's recent dax reworks. > I have a test merge of that pushed out on my libnvdimm-pending branch > if you want to give it a try. > > https://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm.git/log/?h=libnvdimm-pending > Got it, thanks! -jane
