Comment 10 for bug 1905623

Just to note, a huge number of other file systems don't show:

$ grep fuse /proc/mounts
fusectl /sys/fs/fuse/connections fusectl rw,nosuid,nodev,noexec,relatime 0 0
https://sd2dav.1und1.de/ /media/jak/smartdrive fuse rw,nosuid,nodev,noexec,relatime,user_id=1000,group_id=1000,allow_other,max_read=16384 0 0
gvfsd-fuse /run/user/1000/gvfs fuse.gvfsd-fuse rw,nosuid,nodev,relatime,user_id=1000,group_id=1000 0 0
portal /run/user/1000/doc fuse.portal rw,nosuid,nodev,relatime,user_id=1000,group_id=1000 0 0
keybase-redirector /keybase fuse ro,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other 0 0
/dev/fuse /run/user/1000/keybase/kbfs fuse rw,nosuid,nodev,relatime,user_id=1000,group_id=1000 0 0
$ /usr/bin/df -T | grep fuse
/usr/bin/df: /run/user/1000/doc: Operation not permitted
https://sd2dav.1und1.de/ fuse 1333333332 800000000 533333332 61% /media/jak/smartdrive
/dev/fuse fuse 262144000 1 262144000 1% /run/user/1000/keybase/kbfs

Looking at some of them:

$ stat -f /keybase/
  File: "/keybase/"
    ID: 0 Namelen: 0 Type: fuseblk
Block size: 0 Fundamental block size: 0
Blocks: Total: 0 Free: 0 Available: 0
Inodes: Total: 0 Free: 0

$ stat -f /run/user/1000/gvfs
  File: "/run/user/1000/gvfs"
    ID: 0 Namelen: 1024 Type: fuseblk
Block size: 4096 Fundamental block size: 4096
Blocks: Total: 0 Free: 0 Available: 0
Inodes: Total: 0 Free: 0