Re: Idea about a disc backed ram filesystem

[Matheus Izvekov]

On 6/8/06, Måns Rullgård <mru@xxxxxxxxxxxxx> wrote:
> "Matheus Izvekov" <mizvekov@xxxxxxxxx> writes:
>
> > My idea consisted of adding the capability to specify a device for
> > tmpfs mounting. if you dont specify any device, tmpfs continues to
> > behave the way it currently is. But if you do, once data doesnt fit on
> > ram (or some other limit) anymore, it will flush things to this
> > device. my intention was to reuse swap code for this, so you mount a
> > tmpfs passing the dev node of some unused swap device, and it works
> > just like tmpfs with a dedicated swap partition.
>
> I don't see what advantage this would have over normal tmpfs.
>
> --

The difference is that the swap device is exclusive for the tmpfs mount.
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