On Tue, May 12, 2020 at 10:55 AM Amir Goldstein <amir73il@xxxxxxxxx> wrote:
>
> On Tue, May 12, 2020 at 11:32 AM Miklos Szeredi <miklos@xxxxxxxxxx> wrote:
> >
> > On Tue, May 12, 2020 at 10:50:31AM +0300, Amir Goldstein wrote:
> > diff --git a/include/linux/namei.h b/include/linux/namei.h
> > index a4bb992623c4..4896eeeeea46 100644
> > --- a/include/linux/namei.h
> > +++ b/include/linux/namei.h
> > @@ -49,6 +49,8 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT};
> > /* LOOKUP_* flags which do scope-related checks based on the dirfd. */
> > #define LOOKUP_IS_SCOPED (LOOKUP_BENEATH | LOOKUP_IN_ROOT)
> >
> > +#define LOOKUP_NO_NEGATIVE 0x200000 /* Hint: don't cache negative */
> > +
>
> The language lawyers will call this double negative, but I do
> prefer this over LOOKUP_POSITIVE :-)
Maybe LOOKUP_NOCACHE_NEGATIVE...
And yeah, LOOKUP_POSITIVE and LOOKUP_CACHE_POSITIVE are sort of
meaningless, since we cache everything by default.
Thanks,
Miklos
