Re: [PATCH v6 06/34] iov_iter: Use the direction in the iterator functions

[Al Viro <viro@xxxxxxxxxxxxxxxxxx>]

On Mon, Jan 16, 2023 at 11:08:44PM +0000, David Howells wrote:
> Use the direction in the iterator functions rather than READ/WRITE.
> 
> Add a check into __iov_iter_get_pages_alloc() that the supplied
> FOLL_SOURCE/DEST_BUF gup_flag matches the ITER_SOURCE/DEST flag on the
> iterator.

Incidentally, s/iterator/initializer/ (or constructor, for that matter).
Those are not iterators...