Hello Song, On Thu, Sep 19, 2019 at 3:43 PM Song Liu <liu.song....@gmail.com> wrote:
> Sharing some offline discussions with Tejun. > > ino in current kernfs is not a good unique ID for cgroup, because it doesn't > increase monotonically. So we need to improve kernfs. > > For 64-bit, we can make the ino monotonic, and use it as the ID. > For 32-bit, we need to make the ino monotonic. and use <ino> and <gen> > as the 64-bit ID. Thanks for the sharing information! For 32-bit, while the ino itself is not monotonic, gen << 32 + ino is monotonic right? I think we can use the same logic of kernfs id allocation, but not sure what the problem Tejun mentioned before is. Thanks, Namhyung
