On Mon, Oct 16, 2023 at 03:10:33PM +0200, Miklos Szeredi wrote: > Ah, but it's not a regression after all, since the kernel un-split the > same commas until 6.5, so there was no way the libmount devs would > have observed any regression in overlayfs mount. But arguing about > which component is the cause of the regression is not very productive. > Indeed libmount can be fixed parse overlayfs options the same way as > the kernel parsed them before 6.5, which is probably a much better > fix, than a kernel one. > > Karel, is doing such filesystem specific option handling feasible? > > If so, then for overlayfs please please pass an un-escaped (\char -> > char) string to fsconfig for "upperdir=" and "workdir=" options. Committed to the libmount: https://github.com/util-linux/util-linux/commit/f6c29efa929cb8c741591ab38061e7921d53a997 will be in util-linux v2.40 and in v2.39.3 It's implemented for all filesystems, not exception for overlayfs. Karel -- Karel Zak <kzak@xxxxxxxxxx> http://karelzak.blogspot.com