On Sat, Jun 13, 2020 at 09:53:24AM +0300, Amir Goldstein wrote: > Currently, the only in-tree stacking fs are overlayfs and ecryptfs, but there > are some out of tree implementations as well (shiftfs). > So you may only take that option if you do not care about the combination > of hugetlbfs with any of the above. I could see shiftfs being interesting, maybe. I don't really see the usecase for layering overlayfs or ecryptfs on top of a ram-based filesystem.