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SubjectRe: [linux-pm] Freezer: Don't count threads waiting for frozen filesystems.
On Fri, 31 Oct 2008, Nigel Cunningham wrote:

> > Well yeah, your patch handles the straightforward cases. But it
> > doesn't help with the more tricky cases, where one fuse filesystem is
> > using another, and as those may become more widespread, this approach
> > will fail.
> At the moment, yes. But it's not impossible for us to modify the patch
> to handle that as well.

It depends on what you mean. The most direct reading of your statement
is simply wrong: It is _theoretically_ impossible to find the correct
order for freezing filesystems. To do so would be equivalent to
solving the halting problem.

Alan Stern

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