Messages in this thread | | | Subject | Re: [PATCH] root-hopping for pre-2.3.41-3 | Date | Wed, 26 Jan 2000 11:53:54 -0300 | From | Horst von Brand <> |
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"H. Peter Anvin" <hpa@transmeta.com> said: > almesber@lrc.di.epfl.ch wrote: > > H. Peter Anvin wrote: > > > I would like to suggest an alternate system call with, perhaps, more > > > useful semantics: > > > > > > pivot_root("new_root", "old_root"); > > > > ... with an implicit "chroot everybody on / to /new_root". That would > > solve a few problems, yes. I'll give it a try.
> Right... everyone on the old / move to the new /, although I guess > that's technically not 100% necessary.
What about mounts under the (now old) root? What if /new_root/usr doesn't exist, is not a directory, has something else mounted? What happens with open /dev/whatever? -- Dr. Horst H. von Brand mailto:vonbrand@inf.utfsm.cl Departamento de Informatica Fono: +56 32 654431 Universidad Tecnica Federico Santa Maria +56 32 654239 Casilla 110-V, Valparaiso, Chile Fax: +56 32 797513
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