Re: [RFC] situation with csum_and_copy_... API

[Linus Torvalds]

On Fri, Nov 21, 2014 at 11:39 AM, Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
>
> I'm not at all sure that _anything_ has valid reasons for draining iovecs.
> Maintaining a struct iov_iter and modifying it is easy and actually faster...

For new code, I agree. But the whole "draining iovec's" is a fairly
common old model.

                  Linus
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