Hi Alexander,
I am almost sure that you are aware of this fact but in the unlikely case
you are not - the mnt->mnt_count behaves incorrectly which causes
filesystems to be not-umountable when they should be. E.g. if you mount a
ramfs filesystem and then do a bit of io on it (chdir, creat, readdir,
unlink) so that at the end the state of the filesystem should be exactly
the same as in the beginning, it will fail to umount because
mnt->mnt_count > 2 (it is 3 actually).
I will be finding out what causes it next.
Regards,
Tigran
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