Re: [PATCHv4 2/9] zram: Add recompression algorithm sysfs knob

From: Sergey Senozhatsky
Date: Fri Nov 04 2022 - 21:33:44 EST


On (22/11/04 17:01), Minchan Kim wrote:
> > One can be SW one can be HW. So I thought about having flexibility here.
> > Instead of doing
> >
> > for (idx = 1; idx < MAX_IDX; idx++) {
> > len = zcomp_compress(zram->comps[idx]);
> > if (len <= threshold)
> > break;
> > }
> >
> > We would just directly use the suggested algo.
> >
> > But we probably don't need that param at all and can use
> > the loop instead?
>
> I don't understand what param you are saying. I expected
> the zram->comps array already has sorted algoritm based on the
> priority so the loop will try compression as expected so loop is fine.
> Are we on same page?

I'll try to implement both loop and a specific algorithm selection.