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Re: unconfiguring swap at shutdown
On Wed, Sep 03, 2008 at 02:32:55PM +0000, Christos Zoulas wrote:
> In article <20080903134702.GA4485%asim.lip6.fr@localhost>,
> Manuel Bouyer <bouyer%antioche.eu.org@localhost> wrote:
> >On Tue, Sep 02, 2008 at 07:45:43PM -0700, Jason Thorpe wrote:
> >> Tmpfs? Do this after file systems have been unmounted?
> >No, but the proposed in-kernel swapoff code needs access to /dev, which
> >may be on a tmpfs. So you can't unmount it before swapoff.
> Why is that? It does not do a a lookup but accesses the vnode directly
> from the swap struct.
Hum, I though I read it'd still need the access to /dev, but I couldn't find
refeferences to this in this thread. So I may be wrong.
I think we still may have a circular dependancy between umount and swapoff
if there is swap on a regular file.
Manuel Bouyer, LIP6, Universite Paris VI.
NetBSD: 26 ans d'experience feront toujours la difference
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