On 5/22/22 7:07 AM, Al Viro wrote:
> On Sun, May 22, 2022 at 07:02:01AM -0600, Jens Axboe wrote:
>> +static void iter_uaddr_advance(struct iov_iter *i, size_t size)
>> +{
>> +}
>
> How could that possibly work? At the very least you want to do
> what xarray does - you *must* decrement ->count and shift ->iov_offset.
> Matter of fact, I'd simply go with a bit of reorder and had it go
> for if (iter_is_uaddr(i) || iter_is_xarray(i)) in there...
It's just a stub, you said you'd want to do it, so I just dropped what I
had in the email. As I said, it's not even compiled yet, let alone
complete or tested.
--
Jens Axboe
