On Tue, Jul 23, 2013 at 07:25:29AM +0800, Wanpeng Li wrote:
> On Mon, Jul 22, 2013 at 02:34:02PM -0500, Seth Jennings wrote:
> >@@ -612,7 +612,7 @@ static int zswap_frontswap_store(unsigned type, pgoff_t offset,
> > u8 *src, *dst;
> > struct zswap_header *zhdr;
> >
> >- if (!tree) {
> >+ if (!zswap_enabled || !tree) {
>
> If this check should be added to all hooks in zswap?
No. We want to continue to allow loads and invalidates since zswap will
still have pages stored it in. It just won't accept any new pages.
Seth
>
> > ret = -ENODEV;
> > goto reject;
> > }
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