Re: [PATCH v5 2/5] Revert "frontswap: simplify frontswap_register_ops"

[Liu Shixin]

On 2022/9/27 15:27, Christoph Hellwig wrote:
> On Wed, Sep 21, 2022 at 09:42:41AM +0800, Liu Shixin wrote:
>> This revert makes code complicated, but I think it's necessary. When
>> enable zswap, I expect it to work for all swap devices as much as
>> possible.
> But why would expect something to work on a device that has been
> swapped on before?  That's not usually how things work.
>
> .
If not do this, while some user enable swap device first and then enable zswap,
zswap will not take effect. The user need to re-enable the swap device which is
inconvenient.
>