lustre: question about lov_request.c

Julia Lawall julia.lawall at lip6.fr
Sun Jun 7 21:06:32 UTC 2015


On Sun, 7 Jun 2015, Drokin, Oleg wrote:

> Hello!
> 
>   You are right, set_pga seems to be a dead member. It was alive a once, but somehow not fully removed now,
>   so it's safe to drop the whole if and also the struct member itself.
>   set_oabufs could be dropped as well.

Thanks. I will do that.

julia

> 
>   Thanks.
> 
> Bye,
>     Oleg
> On Jun 7, 2015, at 4:11 PM, Julia Lawall wrote:
> 
> > Hello,
> > 
> > The function lov_finish_set in 
> > drivers/staging/lustre/lustre/lov/lov_request.c contains the code:
> > 
> >       if (set->set_pga) {
> >                int len = set->set_oabufs * sizeof(*set->set_pga);
> >                OBD_FREE_LARGE(set->set_pga, len);
> >        }
> > 
> > If I change the call to OBD_FREE_LARGE to kvfree, then len is not useful 
> > any more.  But actually, at least with grep, I can't find anywhere that 
> > either the set_pga field or the set_oabufs field is set.  Am I missing 
> > something, or can the whole if be removed?  Can these two fields go too?
> > 
> > thanks,
> > julia
> 
> 


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