On Sa, 27.02.21 11:28, Rodny Molina ([email protected]) wrote: > Thanks for your detailed answer / explanation Lennart, it's fully > consistent with my code-browsing findings. > > I've been struggling myself with the problem that you alluded above to > identify "foreign" mountpoints. After banging my head against the wall for > a while i ended up implementing an heuristic based on the > major:minor-number field of the /proc/pid/mountinfo file: if the container > mountpoint being considered has a major:minor-id that matches those > major:minor-ids present in the host mount namespace, then this one is > likely a "foreign" mountpoint, and shouldn't be unmounted.
Not sure I follow. We'd need this from inside the container, so that we don't even try to unmount the file system. But from "inside" we have no outside to the host mount namespace... Lennart -- Lennart Poettering, Berlin _______________________________________________ systemd-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/systemd-devel
