Liav A debbfe07fb Kernel/VFS: Ensure Custodies' absolute path don't match before mounting ...

This ensures that the host mount point custody path is not the same like
the new to-be-mounted custody.

A scenario that could happen before adding this check is:
```
mkdir -p /tmp2
mount /dev/hda /tmp2/
mount /dev/hda /tmp2/
mount /dev/hda /tmp2/ # this will fail here
```

and after adding this check, the following scenario is now this:
```
mkdir -p /tmp2
mount /dev/hda /tmp2/
mount /dev/hda /tmp2/ # this will fail here
mount /dev/hda /tmp2/ # this will fail here too
```

2023-08-05 18:41:01 +02:00

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