>> Is this intended behavior, or is this a bug in the installer? If it's >> a bug, where is the right place to report it to? (I'm not sure which >> package(s) are involved) > > It is partman-efi[1]. Don't know if there is any particular reason why > they chose a pass value of 1 rather than 2, but it does not seem to > cause actual problems.
Thanks! Apparently systemd effectively ignores this field, so there's no harm either way (as I've now also confirmed by manually changing it to 2). https://www.freedesktop.org/software/systemd/man/systemd-fstab-generator.html