This was originally proposed at:
https://lists.gnu.org/archive/html/bug-gnulib/2021-02/msg00053.html
As the full review might take some time, would it be possible to apply
at least the part related to fuse.portal file systems? They started to
cause problems recently:
https://bugs.launchpad.net/ubuntu/+source/xdg-desktop-portal/+bug/
1905623
https://github.com/muesli/duf/issues/35
https://bugzilla.redhat.com/
1913358
+2021-06-07 Kamil Dudka <kdudka@redhat.com>
+
+ mountlist: recognize fuse.portal as dummy file system
+ * lib/mountlist.c [ME_DUMMY_0]: Add "fuse.portal" as
+ a dummy file system (used in flatpak implementations).
+
2021-06-07 Bruno Haible <bruno@clisp.org>
host-os: Add support for DragonFly BSD.
|| strcmp (Fs_type, "debugfs") == 0 \
|| strcmp (Fs_type, "devpts") == 0 \
|| strcmp (Fs_type, "fusectl") == 0 \
+ || strcmp (Fs_type, "fuse.portal") == 0 \
|| strcmp (Fs_type, "mqueue") == 0 \
|| strcmp (Fs_type, "rpc_pipefs") == 0 \
|| strcmp (Fs_type, "sysfs") == 0 \