Re: [PATCH v9 2/8] iov_iter: introduce iov_iter_get_pages_[alloc_]flags()

Christoph Hellwig
2022-09-05T17:07:43Z

On Thu, Aug 25, 2022 at 09:24:19AM -0600, Logan Gunthorpe wrote:
> Add iov_iter_get_pages_flags() and iov_iter_get_pages_alloc_flags()
> which take a flags argument that is passed to get_user_pages_fast().
>
> This is so that FOLL_PCI_P2PDMA can be passed when appropriate.

Any reason why iov_iter_get_pages2 doesn't call iov_iter_get_pages_flags
and same for the __alloc version?

Also with the "main" version now having the 2 postfix, we can just
use the iov_iter_get_pages name for the flags version, and maybe
eventually just convert all users over to it.