I do agree that this might want reverting, unless there is some rally good
reason for it. People may have pefectly valid reasons to expect topology
and reachability to remain valid - it's certainly what we guarantee in the
VFS code for similar rules (ie the parent of a dentry is only free'd after
all children have gone away).
Greg, is it possible to get the old lifetime rules back wrt his? They seem
valid and sane..
Linus
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