[RFC 3/3] nvme: wire up support for async passthrough

[Kanchan Joshi]

On Thu, Mar 4, 2021 at 3:14 AM Chaitanya Kulkarni
<Chaitanya.Kulkarni at wdc.com> wrote:
>
> On 3/2/21 23:22, Kanchan Joshi wrote:
> > +     if (!ioucmd)
> > +             cptr = &c;
> > +     else {
> > +             /*for async - allocate cmd dynamically */
> > +             cptr = kmalloc(sizeof(struct nvme_command), GFP_KERNEL);
> > +             if (!cptr)
> > +                     return -ENOMEM;
> > +     }
> > +
> > +     memset(cptr, 0, sizeof(c));
> Why not kzalloc and remove memset() ?

Yes sure. Ideally I want to get rid of the allocation cost. Perhaps
employing kmem_cache/mempool can help. Do you think there is a better
way?