> That makes less sense if we allow other tasks to be using a namespace
> through a passing a file descriptor, and then the last task which has
> current->namespace equal to that namespace exits. It makes no sense
> to me that the mount which is still accessible through the file
> descriptor is suddenly detached from it's parent and children mounts.
I see your point. I don't yet see a solution.
Currently detach is an explicit action, not something automatic which
happens when there are no more references to a vfsmount.
> Why is it not good enough to detach each vfsmnt when the last
> reference to each vfsmnt is dropped? In other words, simply when the
> vfsmnt becomes unreachable?
Define unreachable. Then define a mechanism, by which it can be
detected.
Miklos
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