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SubjectRe: Linux/Pro -- clusters
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> > major/minors for old stuff still end up leaking into user space and
> > mattering there. I'm not sure the best option for that
>
> Thta's no problem. But they should be used as hash values no the
> syscall implementation level and nowhere else.

We have apps that "know" about specific major/minors that need changing and
will take time - also some of them are closed source so unfixable.

For new stuff that bit isnt an issue, although ioctl overlaps mean we have
some other problems to worry about there
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