Hello, It may not be a bug at all, but I was surprised to find out that 'du -x' is reporting a lower disk usage on /mnt when partitions are mounted.
Here is an example with '/mnt' belonging to the same filesystem as '/' : linux$ LANG=EN ls -l /mnt total 12 drwxr-xr-x 2 root root 4096 Jul 8 2018 VL1800 drwxr-xr-x 2 root root 4096 Jul 8 2018 data drwxr-xr-x 3 root root 4096 Aug 19 13:24 nfs # I mount two partitions from other disks on /mnt linux$ sudo mount /mnt/VL1800 linux$ sudo mount /mnt/data linux$ du -x /mnt 4 /mnt/nfs/nas 8 /mnt/nfs 12 /mnt # I unmount the two partitions linux$ sudo umount /mnt/VL1800 linux$ sudo umount /mnt/data linux$ du -x /mnt 4 /mnt/data 4 /mnt/VL1800 4 /mnt/nfs/nas 8 /mnt/nfs 20 /mnt /mnt is now bigger. Is this a normal result, because even when mounted, physically, the directories '/mnt/VL1800' and '/mnt/data' still exist on the '/' filesystem, or not ? Shouldn't they still occupy 4Kb of disk space each on the '/' filesystem when partitions are mounted ? Best regards, Joseph Paul
